CN108971136A - A kind of Airshower chamber - Google Patents
A kind of Airshower chamber Download PDFInfo
- Publication number
- CN108971136A CN108971136A CN201811120493.7A CN201811120493A CN108971136A CN 108971136 A CN108971136 A CN 108971136A CN 201811120493 A CN201811120493 A CN 201811120493A CN 108971136 A CN108971136 A CN 108971136A
- Authority
- CN
- China
- Prior art keywords
- ontology
- chamber
- door body
- gas nozzle
- entrance
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Landscapes
- Electric Vacuum Cleaner (AREA)
Abstract
The present invention provides a kind of Airshower chambers, belong to technical field of dust removal equipment.This Airshower chamber includes ontology, entrance corridors and exit lane, the entrance of ontology is communicated with entrance corridors, the outlet of ontology is communicated with exit lane, this Airshower chamber further includes air blower, stepper motor, dust catcher and a valve body, several gas nozzles are provided on ontology, a rotary valve is rotatably connected on valve body, the output shaft of rotary valve and stepper motor is fixedly linked, the shell of stepper motor is fixed on valve body, it is longitudinally offered on rotary valve and the one-to-one venthole of each gas nozzle, inlet chamber and suction chamber are offered on valve body, inlet chamber is connected with the outlet side of air blower, suction chamber is connected with the suction end of dust catcher；During rotary valve rotates, venthole intermittent can be communicated with suction chamber or inlet chamber；It is connected between each gas nozzle and corresponding venthole by a hose.The present invention has many advantages, such as to can be improved efficiency of dust collection.
Description
Technical field
The invention belongs to technical field of dust removal equipment, are related to a kind of Airshower chamber.
Background technique
In air purification field, it generally is provided with Airshower chamber between clean area and non-clean area, for personnel
Or the surface of cargo is cleaned.
Application No. is 201721036179.1 Chinese patents for comparison, disclose a kind of Airshower chamber, including Airshower chamber inner wall
With Airshower chamber outer wall, blower is provided at the top of the Airshower chamber outer wall, is arranged between the blower and Airshower chamber inner wall free
Gas purifier, the two sides of the air purifier are provided with deflector, are formed between the Airshower chamber inner wall and Airshower chamber outer wall
Air duct is provided with several nozzles on the Airshower chamber inner wall, is equipped with audio-switch close to the air duct bottom position.
In the prior art such as above-mentioned documents, there are the following problems for Airshower chamber:
1, it needs that blowing air supply system and recovery system is separately provided, structure is complicated；
2, during being dusted to human body or article, airflow direction is single, and efficiency of dust collection and dust removing effects are bad；
3, the impurity such as dust are easy blocking recovery approach；
4, the size of gas shock power needs to control, moreover, the dedusting for human body, due to partes corporis humani position, clothes etc.
Gabarit is complicated, and the airflow acting force of blowing is too big, be easy to cause human body uncomfortable, too small to be easy to cause dust removing effects poor；
5, existing Airshower chamber needs to be arranged multiple gates, and structure is complicated.
Summary of the invention
In view of the above problems existing in the prior art, the purpose of the present invention is to provide a kind of Airshower chamber, the present invention is wanted
The technical issues of solution is how to improve efficiency of dust collection, prevents dust from blocking air flow path.
Object of the invention can be realized by the following technical scheme: a kind of Airshower chamber, which is characterized in that this Airshower chamber packet
Ontology, entrance corridors and exit lane are included, the entrance of the ontology is communicated with entrance corridors, and outlet and the outlet of the ontology are walked
Corridor communicates, and the door body that can turn off or on the entrance and exit of ontology is provided on the ontology；
This Airshower chamber further includes air blower, stepper motor, dust catcher and a valve body, if being provided with dry gas on the ontology
Mouth, is rotatably connected to a rotary valve on the valve body, and the output shaft of the rotary valve and stepper motor is fixedly linked, the stepper motor
Shell be fixed on valve body, longitudinally offered on the rotary valve with the one-to-one venthole of each gas nozzle, open on the valve body
Equipped with inlet chamber and suction chamber, the inlet chamber is connected with the outlet side of air blower, the suction end of the suction chamber and dust catcher
It is connected；During the rotary valve rotation, venthole intermittent can be communicated with suction chamber or inlet chamber；
It is connected between each gas nozzle and corresponding venthole by a hose.
Rotary valve rotates under the driving of stepper motor, enables venthole is intermittent to communicate with suction chamber or inlet chamber, makes
Gas nozzle can the intermittent inner cavity to ontology carry out air-breathing or jet, thus to intrinsic people is located at or object is dusted.
Setting in this way makes each venthole, hose and gas nozzle undertake the function of air-breathing and jet, has following excellent
Point:
1, each venthole, hose, gas nozzle are converted repeatedly due to ventilation path, it is not easy to be resulted in blockage, and dust and impurities
Can backtracking, and recycled by dust catcher；
2, since rotary valve rotates, during each venthole is covered and opened, the size of entrance constantly changes, in phase
With under air pressure, the current rate of air-breathing and jet constantly changes, to cope with the needs of different objects, different dedusting intensity, nothing
In addition it need to be adjusted；
3, since each gas nozzle of air-breathing, jet constantly changes, make the interior intracavitary formation turbulent flow of ontology, the path of air-flow is not
Rule makes airflow direction and air flow path diversification, and dust removing effects and efficiency of dust collection greatly improve；
4, air-flow will not act on always a part of human body or object, so that air-flow is not caused discomfort to human body, also not
Object can be damaged.
In a kind of above-mentioned Airshower chamber, with the escape groove of a tubular in the ontology, the door body and escape groove are suitable
Match, the door body is cylindrical in shape, and has notch of the radian between the π of 0.3 π~0.6 in the door body；The ontology rotation connection
In escape groove, the guide groove being provided at the top of escape groove on the ontology is provided at the top of the door body and matches with guide groove
The hanger rail of conjunction；The bottom of the door body is provided with the rack gear for the arc being adapted to the gabarit of door body, is provided with one on the ontology
Driving motor is fixedly installed a gear on the output shaft of the driving motor, and the gear is engaged with the rack gear.
Driving motor drives rack gear, and unlatching ontology entrance, closing ontology entrance, unlatching ontology may be implemented and go out
Mouth closes ontology outlet, simultaneously closes off the functions such as ontology outlet and entrance, the control structure assisted compared to the prior art, this
Simple and reliable for structure, space utilization rate is big, and air-flow is bigger a possibility that the region forms turbulent flow, and the utilization rate of air-flow is bigger.
In a kind of above-mentioned Airshower chamber, several and the one-to-one mounting hole of each gas nozzle are offered on the ontology,
The mounting hole is located at the inside of door body, and a mounting blocks are removably connected in the mounting hole, have one in the mounting blocks
The spherical location hole of interior exterior feature, the lateral surface of the location hole penetrate through the escape groove, and the medial surface of the location hole penetrates through institute
The inner wall of ontology is stated, the positioning hole is rotatably connected to a spherical mounting head, and the gas nozzle is fixed in mounting head, described
Gas nozzle is located within the inner wall of ontology, and the airflow channel of connection gas nozzle and hose is offered in the mounting head.
During current rate, airflow direction are continually changing, gas shock mounting head makes mounting head in positioning hole
It shakes, keeps airflow direction more diversified, dust removing effects are more preferably.
In a kind of above-mentioned Airshower chamber, it is connected between the mounting blocks and ontology by bolt.
Mounting blocks are assembled by multiple mounting plates, convenient for its installation, by being bolted between mounting blocks and ontology, make
The dismounting and maintenance at each position are more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram under this Airshower chamber full closeding state.
Fig. 2 is the structural schematic diagram under this Airshower chamber port opening state.
Fig. 3 is the structural schematic diagram under this Airshower chamber entrance open state.
Fig. 4 is this Airshower chamber longitdinal cross-section diagram.
Fig. 5 is the attachment structure schematic diagram between mounting head and ontology.
Fig. 6 is the structural schematic diagram between valve body and rotary valve.
In figure, 1, ontology；11, entrance corridors；12, exit lane；13, escape groove；14, notch；15, guide groove；16, it hangs
Rail；17, rack gear；18, driving motor；19, gear；2, air blower；3, dust catcher；41, stepper motor；42, valve body；43, gas nozzle；
44, rotary valve；45, venthole；46, inlet chamber；47, suction chamber；48, hose；5, door body；61, mounting hole；62, mounting blocks；63,
Location hole；64, mounting head；65, airflow channel.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 6, this Airshower chamber includes ontology 1, entrance corridors 11 and exit lane 12,
The entrance of ontology 1 is communicated with entrance corridors 11, and the outlet of ontology 1 is communicated with exit lane 12, and being provided on ontology 1 can close
Or open the door body 5 of the entrance and exit of ontology 1；
This Airshower chamber further includes air blower 2, stepper motor 41, dust catcher 3 and a valve body 42, if being provided on ontology 1
Dry gas mouth 43 is rotatably connected to a rotary valve 44 on valve body 42, and rotary valve 44 and the output shaft of stepper motor 41 are fixedly linked, stepping electricity
The shell of machine 41 is fixed on valve body 42, is longitudinally offered on rotary valve 44 and the one-to-one venthole 45 of each gas nozzle 43, valve body
Inlet chamber 46 and suction chamber 47 are offered on 42, inlet chamber 46 is connected with the outlet side of air blower 2, suction chamber 47 and dust catcher 3
Suction end be connected；During rotary valve 44 rotates, venthole 45 intermittent can be communicated with suction chamber 47 or inlet chamber 46；
It is connected between each gas nozzle 43 and corresponding venthole 45 by a hose 48.
Rotary valve 44 rotates under the driving of stepper motor 41, keeps venthole 45 intermittent and suction chamber 47 or inlet chamber
46 communicate, and keep gas nozzle 43 intermittent and carry out air-breathing or jet to the inner cavity of ontology 1, thus to the people being located in ontology 1 or
Object is dusted.
Setting in this way makes each venthole 45, hose 48 and gas nozzle 43 undertake the function of air-breathing and jet, has
Following advantage:
5, each venthole 45, hose 48, gas nozzle 43 are converted repeatedly due to ventilation path, it is not easy to be resulted in blockage, and dust
With impurity can backtracking, and recycled by dust catcher 3；
6, since rotary valve 44 rotates, during each venthole 45 is covered and opened, the size of entrance constantly changes,
Under same pressure, the current rate of air-breathing and jet constantly changes, to cope with the need of different objects, different dedusting intensity
It wants, without in addition being adjusted to it；
7, since each gas nozzle 43 of air-breathing, jet constantly changes, make the interior intracavitary formation turbulent flow of ontology 1, the road of air-flow
Diameter is irregular, makes airflow direction and air flow path diversification, dust removing effects and efficiency of dust collection greatly improve；
8, air-flow will not act on always a part of human body or object, so that air-flow is not caused discomfort to human body, also not
Object can be damaged.
There is the escape groove 13 of a tubular, door body 5 is adapted to escape groove 13, and door body 5 is cylindrical in shape, and is had in door body 5 in ontology 1
There is notch 14 of the radian between the π of 0.3 π~0.6；Ontology 1 is rotatably connected in escape groove 13, is provided with and is located on ontology 1
The guide groove 15 at 13 top of escape groove, the top of door body 5 is provided with the hanger rail 16 cooperated with guide groove 15；The bottom of door body 5 is provided with
The rack gear 17 for the arc being adapted to the gabarit of door body 5 is provided with a driving motor 18, the output shaft of driving motor 18 on ontology 1
On be fixedly installed a gear 19, gear 19 is engaged with rack gear 17.
Driving motor 18 drives rack gear 17, may be implemented to open 1 entrance of ontology, closes 1 entrance of ontology, opens this
The outlet of body 1 closes the outlet of ontology 1, simultaneously closes off the functions such as the outlet of ontology 1 and entrance, the control assisted compared to the prior art
Structure, this is simple and reliable for structure, and space utilization rate is big, and air-flow is bigger a possibility that the region forms turbulent flow, the utilization of air-flow
Rate is bigger.
As shown in figure 5, several and the one-to-one mounting hole 61 of each gas nozzle 43 are offered on ontology 1, mounting hole 61
In the inside of door body 5, it is removably connected with a mounting blocks 62 in mounting hole 61, has in mounting blocks 62 and wide in one spherical determine
Position hole 63, the lateral surface of location hole 63 penetrate through escape groove 13, the inner wall of the medial surface perforation ontology 1 of location hole 63, location hole 63
Inside be rotatably connected to a spherical mounting head 64, gas nozzle 43 is fixed in mounting head 64, gas nozzle 43 be located at ontology 1 inner wall it
It is interior, the airflow channel 65 of connection gas nozzle 43 and hose 48 is offered in mounting head 64.
During current rate, airflow direction are continually changing, gas shock mounting head 64 is positioning mounting head 64
It is shaken in hole 63, keeps airflow direction more diversified, dust removing effects are more preferably.
It is connected between mounting blocks 62 and ontology 1 by bolt.Mounting blocks 62 are assembled by multiple mounting plates, convenient for its peace
Dress keeps the dismounting at each position and maintenance more convenient by being bolted between mounting blocks 62 and ontology 1.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (4)
1. a kind of Airshower chamber, which is characterized in that this Airshower chamber includes ontology (1), entrance corridors (11) and exit lane (12), institute
The entrance for stating ontology (1) is communicated with entrance corridors (11), and the outlet of the ontology (1) is communicated with exit lane (12), and described
The door body (5) that can turn off or on the entrance and exit of ontology (1) is provided on body (1)；
This Airshower chamber further includes air blower (2), stepper motor (41), dust catcher (3) and a valve body (42), the ontology (1)
On be provided with several gas nozzles (43), be rotatably connected to a rotary valve (44) on the valve body (42), the rotary valve (44) and stepping electricity
The output shaft of machine (41) is fixedly linked, and the shell of the stepper motor (41) is fixed on valve body (42), on the rotary valve (44)
Longitudinal direction offer with the one-to-one venthole (45) of each gas nozzle (43), offer inlet chamber (46) on the valve body (42) and inhale
Air cavity (47), the inlet chamber (46) are connected with the outlet side of air blower (2), the suction of the suction chamber (47) and dust catcher (3)
Gas end is connected；During rotary valve (44) rotation, venthole (45) being capable of intermittent and suction chamber (47) or inlet chamber
(46) it communicates；
It is connected between each gas nozzle (43) and corresponding venthole (45) by a hose (48).
2. a kind of Airshower chamber according to claim 1, which is characterized in that with the escape groove of a tubular in the ontology (1)
(13), the door body (5) is adapted to escape groove (13), and the door body (5) is cylindrical in shape, and on the door body (5) there is a radian to exist
Notch (14) between the π of 0.3 π~0.6；The ontology (1) is rotatably connected in escape groove (13), is arranged on the ontology (1)
There is the guide groove (15) being located at the top of escape groove (13), the hanger rail with guide groove (15) cooperation is provided at the top of the door body (5)
(16)；The bottom of the door body (5) is provided with the rack gear (17) for the arc being adapted to the gabarit of door body (5), on the ontology (1)
It is provided with a driving motor (18), is fixedly installed a gear (19), the gear on the output shaft of the driving motor (18)
(19) it is engaged with the rack gear (17).
3. a kind of Airshower chamber according to claim 2, which is characterized in that offer several and each gas on the ontology (1)
The one-to-one mounting hole (61) of mouth (43), the mounting hole (61) are located at the inside of door body (5), can in the mounting hole (61)
Dismantling connection has a mounting blocks (62), has wide spherical location hole (63), the positioning in one in the mounting blocks (62)
The lateral surface in hole (63) penetrates through the escape groove (13), and the medial surface of the location hole (63) penetrates through the inner wall of the ontology (1),
It is rotatably connected to a spherical mounting head (64) in the location hole (63), the gas nozzle (43) is fixed on mounting head (64),
The gas nozzle (43) is located within the inner wall of ontology (1), and connection gas nozzle (43) and hose are offered on the mounting head (64)
(48) airflow channel (65).
4. a kind of Airshower chamber according to claim 3, which is characterized in that pass through between the mounting blocks (62) and ontology (1)
Bolt is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120493.7A CN108971136A (en) | 2018-09-26 | 2018-09-26 | A kind of Airshower chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120493.7A CN108971136A (en) | 2018-09-26 | 2018-09-26 | A kind of Airshower chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108971136A true CN108971136A (en) | 2018-12-11 |
Family
ID=64544008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811120493.7A Pending CN108971136A (en) | 2018-09-26 | 2018-09-26 | A kind of Airshower chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108971136A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182274A (en) * | 2021-04-29 | 2021-07-30 | 惠瑞净化科技(江苏)有限公司 | Clean high-efficient lithium cell workshop purifies air shower |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956833A (en) * | 2009-07-19 | 2011-01-26 | 迅达科技集团股份有限公司 | Rotary air-regulating valve |
| CN105387583A (en) * | 2015-11-30 | 2016-03-09 | 冯义文 | Supply air rate adjusting device of purifying equipment |
| CN106493940A (en) * | 2016-12-14 | 2017-03-15 | 浙江工贸职业技术学院 | The 3D printer shower nozzle of nozzle diameter real-time variable |
| CN106766059A (en) * | 2016-12-23 | 2017-05-31 | Tcl空调器(中山)有限公司 | The door body drive mechanism and air-conditioner of air-conditioner |
| CN207188369U (en) * | 2017-08-18 | 2018-04-06 | 九江市聚森新材料有限公司 | A kind of Airshower chamber |
| JP3216393U (en) * | 2017-11-21 | 2018-05-31 | スーチョウ ハイシン エレクトロメカニカル インダストリアル イクイップメント カンパニー リミテッド | Rotating air nozzle structure |
| CN207787193U (en) * | 2017-12-13 | 2018-08-31 | 广州科来创净化设备制造有限公司 | A kind of intelligence Airshower chamber |
| CN208853377U (en) * | 2018-09-26 | 2019-05-14 | 湖北科技学院 | A kind of Airshower chamber |
-
2018
- 2018-09-26 CN CN201811120493.7A patent/CN108971136A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956833A (en) * | 2009-07-19 | 2011-01-26 | 迅达科技集团股份有限公司 | Rotary air-regulating valve |
| CN105387583A (en) * | 2015-11-30 | 2016-03-09 | 冯义文 | Supply air rate adjusting device of purifying equipment |
| CN106493940A (en) * | 2016-12-14 | 2017-03-15 | 浙江工贸职业技术学院 | The 3D printer shower nozzle of nozzle diameter real-time variable |
| CN106766059A (en) * | 2016-12-23 | 2017-05-31 | Tcl空调器(中山)有限公司 | The door body drive mechanism and air-conditioner of air-conditioner |
| CN207188369U (en) * | 2017-08-18 | 2018-04-06 | 九江市聚森新材料有限公司 | A kind of Airshower chamber |
| JP3216393U (en) * | 2017-11-21 | 2018-05-31 | スーチョウ ハイシン エレクトロメカニカル インダストリアル イクイップメント カンパニー リミテッド | Rotating air nozzle structure |
| CN207787193U (en) * | 2017-12-13 | 2018-08-31 | 广州科来创净化设备制造有限公司 | A kind of intelligence Airshower chamber |
| CN208853377U (en) * | 2018-09-26 | 2019-05-14 | 湖北科技学院 | A kind of Airshower chamber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182274A (en) * | 2021-04-29 | 2021-07-30 | 惠瑞净化科技(江苏)有限公司 | Clean high-efficient lithium cell workshop purifies air shower |
| CN113182274B (en) * | 2021-04-29 | 2022-07-19 | 惠瑞净化科技(江苏)有限公司 | Clean high-efficient lithium cell workshop purifies air shower |
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