CN105329672B - A kind of easily method of reseptance and device - Google Patents

A kind of easily method of reseptance and device Download PDF

Info

Publication number
CN105329672B
CN105329672B CN201510580339.8A CN201510580339A CN105329672B CN 105329672 B CN105329672 B CN 105329672B CN 201510580339 A CN201510580339 A CN 201510580339A CN 105329672 B CN105329672 B CN 105329672B
Authority
CN
China
Prior art keywords
air bag
transmitter
pipeline
air
receiving terminal
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.)
Expired - Fee Related
Application number
CN201510580339.8A
Other languages
Chinese (zh)
Other versions
CN105329672A (en
Inventor
陆洪瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Yinrong Technology Co Ltd
Original Assignee
Beijing Yinrong Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Yinrong Technology Co Ltd filed Critical Beijing Yinrong Technology Co Ltd
Priority to CN201510580339.8A priority Critical patent/CN105329672B/en
Publication of CN105329672A publication Critical patent/CN105329672A/en
Application granted granted Critical
Publication of CN105329672B publication Critical patent/CN105329672B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of easily method of reseptance and device, belong to pneumatic pipeline material flow transmission field, the method for reseptance of present pneumatic pipeline transmission, or motor machine control or manual, otherwise failure is high, otherwise it is inconvenient.The present invention is realized in solve the above problems.One gas cell is installed in receiving terminal, receives inflation closure door;When standby, deflate and open the door, realize complete gas control.

Description

A kind of easily method of reseptance and device
The application is the patent of invention for the Application No. 200810305195.5 that applicant submitted on October 27th, 2008 The divisional application of application.
Technical field:The invention belongs to pneumatic pipeline material flow transmission field, more particularly to a kind of method easily received and Device.Background technology:The method of reseptance of present pneumatic pipeline transmission, or motor machine control or manual, or failure is high It is inconvenient.
The invention aims to solve the above problems, it is realized in.
The content of the invention:
A kind of method easily received,
The inflation closure door in receiving terminal one gas cell of installation, reception;When receiving, deflate and open the door, open shape when standby at door.
Further
The receiving terminal is vertical receiving terminal, and is open ports.
Further
To be spherical when the air bag is heaved.
Further
The open ports are downward.
Further
The air bag gas port is connected with fan outlet.
Further
The blower fan suction opeing is positioned on the vertical duct of the receiving terminal of transmission pipeline or corner.
A kind of easily reception device
Including a gas cell, at the receiving port of work station, for closed reception pipe road junction after inflation, beaten after losing heart Open receiving port;Including blower fan, air outlet is connected on air bag, and air inlet is connected to the vertical duct of the receiving terminal of transmission pipeline On, including receiving port is an open ports, is connected on transmission pipeline.
Further
The air bag is the spherical body of flexible material, when standby, shrink together, is heaved after inflation, if an at least gas Mouth is connected with air exhauster or inflator.
Further
When transmitter is to receiving terminal gas cell, deflates and open the door or open in advance.
Further the air bag is free body;During for inflating, end opening sealing will be received, handle is narrowed down to after losing heart Receiving port opens wide, and can take out transmitter.
Further
Transmitter is discharged from outlet.
Further
Inflate and heave in receiving station air bag when receiving;When intercepting transmitter, blower fan stops, and air bag deflation heaves receipts Return, take out transmitter.
Further
Set at interception and intercept fluid bag, be filled with fluid bag and heave;When intercepting transmitter, fluid is filled with machine stopping, stream Body bag is retracted back to original position, makes the position unimpeded, takes out transmitter.
Further
The soft quality material that elasticity is set on transmitter tube wall is interceptor.
Further
The interceptor is hollow cylindrical body or thread like body or column or plate body or plates or fence or freedom Deformable body.
Further
The interceptor leaves transmission pipeline to automatically reset, in the presence of fluid pressure.
Beneficial effect
By the invention, reduce Mechanical course, reduce abrasion, reduce automatically controlled, and realize automatic control, save money Source, reduce failure;Using more convenient.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is in Fig. 14 enlarged diagram;
Fig. 3 is the enlarged diagram of 4 another example in Fig. 1.
Fig. 4 is the structural representation that air bag is installed on transmission pipeline.
Fig. 5 is the structural representation that air bag ejects sealing pipeline in Fig. 4.
Fig. 6 is the structural representation that air bag ejection hinders non-tight pipeline in Fig. 4.
Fig. 7 is that horizontal station intercepts schematic diagram.
Fig. 8 is the structural representation that air bag ejects in Fig. 7.
Fig. 9 is structural representation of the horizontal station interceptor in upside.
Figure 10 is the structural representation that air bag ejects in Fig. 9.
Figure 11 is the structural representation that the soft quality material of elasticity is located on duct wall.
Figure 12 is the structural representation that soft quality material elastic in Figure 11 is inhaled into pipeline.
Figure 13 is that the soft quality material of elasticity is located at the structural representation that outside on duct wall is connected with malleation wind.
Figure 14 is the structural representation that the soft quality material of elasticity is located on pipe end.
Figure 15 is Figure 14 holding state.
Figure 16 is the pipe transmission system structural representation that air bag is housed in transmission pipeline.
It is described further with reference to example
Embodiment 1
As shown in Figure 1, 2, 3, Pneumatic pipe transmission system by the blower fan of compressed air source unit 18 of generation air flow power, for receiving The work station 4 of article, the central control unit (not shown) of control system operation, transport vehicle 11, the transfer tube for loading article Road 3 and the reception air bag 33 being located at transmission pipeline receiving port, the grade of bearing 35 composition.Transmission pipeline 3 sends mouth positioned at transmitting-receiving At work station 2.Wherein, transmitting-receiving work station is the equipment for being used to sending or receiving transporting articles in Pneumatic pipe transmission system.Receive, Hair work station is directly operated by user;16 be air intake duct, and 20 be gas blow pipe.
The course of work:When negative-pressure air fan starts, gas blow pipe seals receiving port, transport vehicle is outer to air bag qi of chong channel ascending adversely Atmospheric pressure action at passage 3 at 15 mouthfuls after, blower fan stops;Transport vehicle falls into outlet 4, presses off air bag, and transmission carries Body skids off from outlet 4, so as to complete a working cycles.The gas tube of air bag is located at the place of non-opening.Opposite side in Fig. 1 Install air-control device, you can realize two-way reception and transmission.The air bag is ellipse.
Embodiment 2
As illustrated in figures 4-5:
1 pipeline, 2 air bags, 3 blower fans, 4 transmitters
This mode is sealing pipeline internal diameter type, and air bag is in the normal state in shrivelled state on duct wall, transmitter It can have free passage, air bag is connected by a pipeline with hair-dryer, when being powered to hair-dryer, because the air-blowing of hair-dryer is made Entered with, air-flow in air bag, the increase of air bag swelling volume, gradually block whole pipeline, now in pipeline transmitter in air-flow Under impetus, move ahead along tube wall, when running into the air bag of expansion, bump against on air bag, because air bag closes whole passage, So transmitter is forced stagnation and got off.
Embodiment 3
Such as Fig. 4, shown in 6:
1 pipeline, 2 air bags, 3 blower fans, 4 transmitters
This mode is intercepts internal diameter of the pipeline type, and air bag is in the normal state in shrivelled state on duct wall, such as Fig. 1 institutes Show, transmitter can be had free passage, and air bag is connected by a pipeline with hair-dryer, when being powered to hair-dryer, due to hair-dryer Air-blowing effect, air-flow enters in air bag, the increase of air bag swelling volume, but can not block whole pipeline, can only be in pipeline The stroke of transmitter is intercepted, prevents it to be blocked from continuing through, transmitter is under the impetus of air-flow in pipeline, edge Tube wall to move ahead, when running into the air bag of expansion, bump against on air bag, due to the interception function by air bag, so transmitter quilt It is urgent to stagnate, as shown in Figure 6.
Embodiment 4
Such as Fig. 7, shown in 8, for interception scheme in the horizontal direction, the pipeline of connecting fluid machine is located under horizontal pipe wall Side;
Such as Fig. 9, shown in 10, for interception scheme in the horizontal direction, the pipeline of connecting fluid machine is located on horizontal pipe wall Side;5 be transmitter ejection door.Fluid machine is blower fan or is liquid machine, or uses same blower fan with transmitter transveyer.
Its principle such as 3 identical of embodiment
Embodiment 5
Such as Figure 11, shown in 12
1 pipeline, the soft quality material of 2 elasticity, 3 blower fans, 4 transmitters
The soft quality material of elasticity is being abutted in outside duct wall in the normal state, and transmitter can freely lead in pipeline OK, elastic soft quality material is connected on pipeline outer wall, when being powered to induced-draught fan, due to the getter action of induced-draught fan, elasticity Soft quality material by attraction effect be inhaled into inside pipeline, gradually block pipeline, now in pipeline transmitter in air-flow Under impetus, moved ahead along tube wall, when running into the elastic soft quality material being inhaled into pipeline, bump against the soft quality material of elasticity Material, because the soft quality material of elasticity blocks, therefore passage is closed, so transmitter is forced stagnation and got off, after blower fan powers off, bullet Property soft quality material due to the performance of itself, restoring force homing is returned to outside pipeline, and transmitter can be in pipeline freely It is current.Negative-pressure air fan can also be arranged on to the soft quality material rear end of elasticity, such as Figure 13.
Embodiment 6
In fig. 14,33 be soft quality elastomer, and 31 be rotating shaft, and 32 be pull bar;35 be bearing, other to be same as above.33 are drawn onto Port.
Figure 15 is Figure 14 holding state.33 fall.
Above-mentioned all air bags can be connected to the malleation exit of the blower fan of Transmission system.
Above-mentioned all air bags can be replaced with fluid bag, rear end connect a fluid pour, releasing machine or reversely dress Put and extract out, put back to machine.
Above-mentioned air bag, elastic soft quality material are rubber, or are polyurethane, or are dry goods;Fluid machine or for air pump or It is inflator pump or charging pump for hydraulic pump;It can also be connected by valve such as hydraulic pressure, pulsometer and fluid bag.The fluid bag is Bag is heaved when pouring the fluid of malleation, otherwise bag runs dry when excluding.
It is described to be connected as flexible pipe connection.
The air bag can use multi-stage gasbag or integral weaving bag air bag.Or for around the gas of the similar anus of the whole circle of tube wall Capsule.
The air bag is the very little of contracting in normality, opens pipeline, is swelled in inflation.Or the air bag is in normality Spreading closes pipeline, and pipeline is opened in air-breathing.
Another embodiment,
As shown in figure 16:1 is air bag;101 be the state diagram after airbag aeration, and transmission pipeline is sealed;16 be hair-dryer; 15 be air bag and 16 connecting pipe, and 5 be bypass duct, one end be connected to the direction that transmitter transmits away from air bag more nearby; The other end is connected on the connecting pipe of hair-dryer and air bag;After crossing by-pass port for transmitter, air bag be blown into gas with it is big Gas phase is led to, and transmission pipeline is shunk away from when anxious;4 be air exhauster;11 be transmitter, and 3 be transmission pipeline;2 is receive, transmission work Port, it is open ports;Reception device includes, and an air bag is closed, opening device, including air bag and the hair-dryer and shunt valve of connection Road;Installed in the rear side of transmission pipeline transmission driven fan;It is front side that rear side, which refers to the direction that transmitter transmits,;One transmission pipeline moves Power blower fan apparatus;On the transmission pipeline near receiving terminal, and transmitter is enough to obtain enough momentum arrival receiving terminals;Such as When on vertical receiving pipeline or being horizontal operation end or away between the 1-3 rice of working end, or field adjustable.
Its course of work is:
During 1 reception, blower fan is started, and malleation is added into air bag, air bag spreading, pipeline is closed, negative pressure is added into transmission pipeline, Transmitter is sucked into transmission pipeline;
When 2 transmitters cross bypass duct, the positive pressure gas of air bag is bypassed pipeline release, and air bag reduces automatically, transmission back of hiding Outside heavy connection of pipe, transmitter leans on inertia force, breaks through at air bag, and blower fan stops, and transmitter enters receiving terminal by inertia.
Further
Transmitter, which is leaned on from gravity, enters receiving terminal.
In a word, gas cell, direction of motion when being received installed in transmitter receives the rear end of blower fan, for closed after inflation Reception pipe road junction, transmission channel is opened after losing heart;Hair-dryer, air outlet are connected on air bag, for providing expansive force for air bag; Bypass duct, one end are arranged on air bag, and the other end is arranged on the transmission pipeline that transmitter transmits when receiving, for transmitter When going to herein, air bag is opened;Air exhauster, air inlet are connected on the vertical duct of the receiving terminal of transmission pipeline or on bend Or according on the horizontal pipeline near bend, for providing negative pressure for transmission pipeline, receiving port is an open ports, is connected to transfer tube On road;It is very succinct, it is easily installed, it is elegant in appearance, meet the needs for the requirement to working environment that people increasingly improve.
So, the present invention realizes above-mentioned purpose.
It is described above, it is only the preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be covered Within protection scope of the present invention.Such as the shape of air bag, material, as long as size etc. can be connected with gassing pipe or fluid is filled with dress Connection is put, receiving port or transmission pipeline can be sealed when swelling or forms interception barrier;Also all air bags can be used Fluid bag replaces;Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (11)

  1. A kind of 1. easily method of reseptance, it is characterised in that:
    1) when receiving, blower fan is started, and malleation is added into air bag, air bag spreading, closing transmission pipeline, negative pressure is added into transfer tube Road, transmitter is sucked into transmission pipeline;
    2) when transmitter crosses bypass duct, the positive pressure gas of air bag is bypassed pipeline release, and air bag reduces automatically, transmission back of hiding pipeline Outside passage, transmitter leans on inertia force, breaks through at air bag, and blower fan stops, and transmitter enters receiving terminal by inertia.
  2. 2. the method as described in claim 1, it is characterised in that:
    Transmitter, which is leaned on from gravity, enters receiving terminal.
  3. 3. the method as described in claim 1, it is characterised in that:
    The inflation closure door in the receiving terminal installation air bag, reception;When receiving, deflate and open the door, open shape when standby at door.
  4. 4. method as claimed in claim 3, it is characterised in that:
    The receiving terminal is vertical receiving terminal, and is open ports.
  5. 5. method as claimed in claim 3, it is characterised in that:
    To be spherical when the air bag is heaved.
  6. 6. method as claimed in claim 4, it is characterised in that:
    The open ports are downward.
  7. 7. method as claimed in claim 3, it is characterised in that:
    The air bag gas port is connected with fan outlet.
  8. 8. method as claimed in claim 3, it is characterised in that:
    Air exhauster suction opeing is positioned on the vertical duct of the receiving terminal of transmission pipeline or corner.
  9. A kind of 9. easily reception device, it is characterised in that:Including a gas cell, direction of motion when being received installed in transmitter The rear end of blower fan is received, for closed reception pipe road junction after inflation, transmission channel is opened after losing heart;Including hair-dryer, air outlet It is connected on air bag, for providing expansive force for air bag;Including bypass duct, one end is arranged on air bag, and the other end is arranged on On the transmission pipeline that transmitter transmits during reception, when going to herein for transmitter, air bag is opened;Including air exhauster, air intake On the vertical duct for the receiving terminal for mouthful being connected to transmission pipeline or on bend or away from the horizontal pipeline near bend, for pass Defeated pipeline provides negative pressure, including receiving port is an open ports, is connected on transmission pipeline.
  10. 10. device as claimed in claim 9, it is characterised in that:The air bag is the spherical body of flexible material, when standby, Shrink together, heaved after inflation, if at least a valve is connected with air exhauster or inflator.
  11. 11. device as claimed in claim 9, it is characterised in that:The air bag is free body;During for inflating, it will receive End opening seals, and is narrowed down to after losing heart and receiving port is opened wide, and can take out transmitter.
CN201510580339.8A 2008-10-15 2008-10-27 A kind of easily method of reseptance and device Expired - Fee Related CN105329672B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510580339.8A CN105329672B (en) 2008-10-15 2008-10-27 A kind of easily method of reseptance and device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2008103049404 2008-10-15
CN200810304940 2008-10-15
CN201510580339.8A CN105329672B (en) 2008-10-15 2008-10-27 A kind of easily method of reseptance and device
CN200810305195.5A CN101759036B (en) 2008-10-15 2008-10-27 One method of reseptance easily and device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN200810305195.5A Division CN101759036B (en) 2008-10-15 2008-10-27 One method of reseptance easily and device

Publications (2)

Publication Number Publication Date
CN105329672A CN105329672A (en) 2016-02-17
CN105329672B true CN105329672B (en) 2018-03-27

Family

ID=49187761

Family Applications (5)

Application Number Title Priority Date Filing Date
CN201310267890.8A Expired - Fee Related CN103318650B (en) 2008-10-15 2008-10-22 Convenient receiving method and convenient receiving device
CN200810305083.XA Expired - Fee Related CN101759035B (en) 2008-10-15 2008-10-22 One is method of reseptance and device easily
CN201510580385.8A Expired - Fee Related CN105110009B (en) 2008-10-15 2008-10-22 A kind of easily method of reseptance and device
CN200810305195.5A Expired - Fee Related CN101759036B (en) 2008-10-15 2008-10-27 One method of reseptance easily and device
CN201510580339.8A Expired - Fee Related CN105329672B (en) 2008-10-15 2008-10-27 A kind of easily method of reseptance and device

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CN201310267890.8A Expired - Fee Related CN103318650B (en) 2008-10-15 2008-10-22 Convenient receiving method and convenient receiving device
CN200810305083.XA Expired - Fee Related CN101759035B (en) 2008-10-15 2008-10-22 One is method of reseptance and device easily
CN201510580385.8A Expired - Fee Related CN105110009B (en) 2008-10-15 2008-10-22 A kind of easily method of reseptance and device
CN200810305195.5A Expired - Fee Related CN101759036B (en) 2008-10-15 2008-10-27 One method of reseptance easily and device

Country Status (1)

Country Link
CN (5) CN103318650B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103318650B (en) * 2008-10-15 2017-02-08 北京银融科技有限责任公司 Convenient receiving method and convenient receiving device
CN117550352B (en) * 2024-01-09 2024-03-12 湖南捷工医疗科技有限公司 Medical material conveying system based on pneumatic logistics

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1436983A (en) * 1974-02-07 1976-05-26 British Hydromechamics Researc Flow energising means for pneumatic pipeline conveyors
GB1514607A (en) * 1975-11-03 1978-06-14 Georgia Tech Res Inst Pneumatic transport system with blocking valve control
CN2298511Y (en) * 1997-05-13 1998-11-25 冶金工业部重庆钢铁设计研究院 Gas sampling device
CN2339819Y (en) * 1998-09-04 1999-09-22 无锡气动技术研究所 Rupturing control device for pneumatic delivered sample
CN2488885Y (en) * 2001-05-28 2002-05-01 张大雄 Powder distributor with pneumatic ball valve
CN2632037Y (en) * 2003-06-30 2004-08-11 陆洪瑞 Valve for controlling note pipe sectional operation
CN2690356Y (en) * 2004-02-09 2005-04-06 银川东方运输设备有限公司 Automatic transmitter-receiver unit of pneumatic transport
CN101135245A (en) * 2007-09-29 2008-03-05 中国矿业大学 Device for automatically enclosing tunnel rapidly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB357748A (en) * 1930-09-08 1931-10-01 Sturtevant Eng Co Ltd Improvements in or relating to pneumatic despatch tube systems
DE2916231A1 (en) * 1979-04-21 1980-10-30 Schuettgutfoerdertechnik Ag Bulk material conveyor tube stop valve - has elastic sleeve expanded in connectable housing by pressure medium
JPS5856688B2 (en) * 1979-04-23 1983-12-16 株式会社ダイフク Bogie stop and delivery device for intra-pipe conveyance equipment using forced airflow
JP2558148B2 (en) * 1988-07-22 1996-11-27 愛三工業株式会社 Pneumatic transfer device
CN2508240Y (en) * 2001-11-27 2002-08-28 中国核动力研究设计院 Neutron activating analysis sample pneumatic conveyer buffer unit
CN2647806Y (en) * 2003-09-02 2004-10-13 银川东方运输设备有限公司 Pneumatic conveying automatic pickingup and distributing device
CN2848785Y (en) * 2005-11-14 2006-12-20 济南海鹰机电制造有限公司 Delivering receiving device
CN200985213Y (en) * 2006-10-12 2007-12-05 银川东方运输设备有限公司 Pneumatic conveying transmitting-receiving device
CN103318650B (en) * 2008-10-15 2017-02-08 北京银融科技有限责任公司 Convenient receiving method and convenient receiving device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1436983A (en) * 1974-02-07 1976-05-26 British Hydromechamics Researc Flow energising means for pneumatic pipeline conveyors
GB1514607A (en) * 1975-11-03 1978-06-14 Georgia Tech Res Inst Pneumatic transport system with blocking valve control
CN2298511Y (en) * 1997-05-13 1998-11-25 冶金工业部重庆钢铁设计研究院 Gas sampling device
CN2339819Y (en) * 1998-09-04 1999-09-22 无锡气动技术研究所 Rupturing control device for pneumatic delivered sample
CN2488885Y (en) * 2001-05-28 2002-05-01 张大雄 Powder distributor with pneumatic ball valve
CN2632037Y (en) * 2003-06-30 2004-08-11 陆洪瑞 Valve for controlling note pipe sectional operation
CN2690356Y (en) * 2004-02-09 2005-04-06 银川东方运输设备有限公司 Automatic transmitter-receiver unit of pneumatic transport
CN101135245A (en) * 2007-09-29 2008-03-05 中国矿业大学 Device for automatically enclosing tunnel rapidly

Also Published As

Publication number Publication date
CN103318650B (en) 2017-02-08
CN105110009A (en) 2015-12-02
CN101759035B (en) 2015-09-23
CN103318650A (en) 2013-09-25
CN105329672A (en) 2016-02-17
CN101759035A (en) 2010-06-30
CN101759036A (en) 2010-06-30
CN105110009B (en) 2018-08-14
CN101759036B (en) 2016-08-03

Similar Documents

Publication Publication Date Title
ES2916200T3 (en) Method and apparatus for handling materials in a pneumatic material handling system
CN108820556A (en) A kind of packing box
CN201159033Y (en) Airtight door
CN105329672B (en) A kind of easily method of reseptance and device
CN108974946A (en) Multistation annular terminal formula work station
CN108974945A (en) Multistation annular passes through formula work station
CN104150224A (en) Suction type powder feeding system
CN201231862Y (en) Pumping and aerated bag closing machine
CN108386570A (en) A kind of air bag cork runoff investigation mechanism
CN208007675U (en) A kind of flat mouth air valve Filling air bag
CN108413070A (en) A kind of double containment collapses airbag valve mechanism automatically
CN206032130U (en) Convenient bag of handle inflatable
CN109442060B (en) Bag type water quantity adjusting device with large opening degree of discharge door device
CN208683947U (en) Multistation annular terminal formula work station
CN102211713B (en) Automatic pneumatic control method and device for reception
CN107472499B (en) A kind of integrated aerating and exhaust device for aerostatics
CN203975248U (en) A kind of packing device with dustproof function
WO2001075356A1 (en) A pipe burst protect device
CN101954964A (en) Portable instant inflating life-saving airbag
CN208307102U (en) High-pressure vortex blower suction bag opens a bag route controller
CN206626228U (en) A kind of unidirectional flame proof valve of air flow blowing formula
CN109733929A (en) A kind of pneumatic air pump
CN215162770U (en) Simple and easy clear injection liquefaction device
CN111625026A (en) Constant volume aerating device for plastic bag
CN210318681U (en) Convenient balloon air-stop valve

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180327

Termination date: 20191027