CN209597803U - A kind of vacuum attraction clamping apparatus, divided flow box and cleaning device - Google Patents

Abstract

The utility model provides a kind of vacuum attraction clamping apparatus, divided flow box and cleaning device, the vacuum attraction activity clamping apparatus, including guide plate, cage plate, fixed plate and active joint, the guide plate is connect with cage plate, the cage plate is connect with fixed plate, and the active joint side is put into cage plate by guide plate to be tightly engaged into the opening of fixed plate；The vacuum attraction divided flow box, including box body and active joint, the input port of the other side connection box body of the active joint, the other sides of box body are equipped with delivery outlet, and the delivery outlet is equipped with silica gel joint；The vacuum attraction cleaning device, is equipped with vacuum attraction activity clamping apparatus and vacuum attraction divided flow box.Vacuum attraction cleaning device structure design provided by the utility model is exquisite, can effectively control tubular device internal washing cleanliness, and realize thorough cleaning effect.

Description

A kind of vacuum attraction clamping apparatus, divided flow box and cleaning device

Technical field

The utility model relates to medical vacuum cleaning field more particularly to a kind of vacuum attraction clamping apparatus, divided flow box and Cleaning device.

Background technique

It is gradually reduced vacuum tank air pressure inside during vacuum pump vacuumizes tank through check valve pipeline, forms vacuum tank Interior negative pressure, after PLC controls pressure limit, starting vacuum valve (1) negative pressure attracts to vacuum tank, attracts vacuum tank living through pipeline The tubular device inner wall of multiple silica gel head insertions carries out high pressure to vacuum tank by liquid on the connected divided flow box wall of dynamic clamping joint Attract, big quantity of fluid is received by vacuum tank, leads to vacuum valve (2) and open through discharge of pipes, above step repetitive operation, to tubulose device Tool repeats washing effect.

Various big hospital cleaning equipment mode is divided into two ways at present: one, giant flushing, two, high pressure perfusion wash； 1, manual rinse bath cleaning is installed by universal hospital, after using hairbrush cleaning tubular device appearance by hand, is carried out using giant Tubular device inner wall is rinsed, and since tubular device inner wall narrow diameter is 0.2~10mm, length 100mm~400mm is not It is punched in narrow pass through Deng, giant to be hindered, pressure weakens, and when giant cleans is easy to be spread to medical staff's body On be easy to be infected, complicated for operation, time-consuming and laborious, it is puzzled that tubular device cleans formation operation person.2, pass through high-pressure hydraulic pump shape At water jets under high pressure, high pressure water column enters after tubular device since tubular device latus rectum is small to 0.2~10mm, and water column passes through narrow After narrow pipe diameter, water column pressure weakens or even tubular device blind hole cannot be introduced into circulating water cleaning, insufficient cleaning.3, using special Match special joint and tubular device in succession with cleaning basket, water jets under high pressure is formed by high-pressure hydraulic pump and enters inner tubular portion flowing, shape It is washed away at inner tubular portion circulating water, blind hole small for tubular device hole etc. is washed away flowing water pressure and weakened, and cleaning degree is formed Difficulty, cleanliness quality can not also ensure.

Utility model content

The utility model carries out Specialty Design specifically for problem above point, and very good solution tubular device cleaning is asked Topic.

The utility model provides technical solution below.

A kind of vacuum attraction clamping apparatus, including guide plate, cage plate, fixed plate and active joint, the guide plate and set Plate be it is semicircular arc-shaped, the guide plate connect with cage plate, and the cage plate is connect with fixed plate, the cage plate be clipped in guide plate and consolidate Between fixed board, the cambered surface of the guide plate is higher than the cambered surface of cage plate, and the fixed plate is equipped with opening, and the height of the opening is high In the cambered surface height of cage plate, the active joint is tubular structure, and one side is bulging annulus interface, and side is tube-like interface, The bulging annulus interface passes right through the opening that guide plate is fallen into cage plate and in fixed plate and is tightly connected.

The active joint is tubular structure, and the head side of active joint is the circular ring structure of bulging, the annulus of the bulging Structure carries out chamfer design, and operating characteristics and sealing effect can be improved.The active joint is put into cage plate by guide plate When, interface is just tightly connected with the opening in fixed plate, and the connection refers to that gas or liquid can connect by activity Head flows through fixed plate.Filter screen device is installed in the active joint, instrument accessory and other sundries is prevented to be inhaled into.

Further, the opening of the semicircular arc-shaped guiding board ends is designed as ramp type structure or is designed as leading To inclined plate.

Further, telescopic tube-like interface, installation in the fixed plate are installed in the opening in the fixed plate There is spring, spring pocket is inserted in an annulus on tube-like interface, on the outside of tube-like interface, and the annulus screw thread is connected and fixed on plate Opening, when active joint is put into cage plate, compressing tube-like interface retraction opening in, when taking out active joint, in elastic force Under effect, tube-like interface pops up opening slightly.The active joint of vacuum attraction divided flow box moves up and down, inside fixed plate affixed side Spring force promotes tube-like interface to stretch, and facilitates positioning, takes out.

A kind of vacuum attraction divided flow box, including box body and active joint, the side of the box body at least open up an input Mouthful, the input port of the tube-like interface connection box body of the active joint other side (caudal), box body is arranged in the input port Lower part, to facilitate liquid to flow out, thoroughly drain off liquid, noresidue.Other sides of the box body at least open up a delivery outlet, institute It states delivery outlet and silica gel joint is installed, the silica gel joint is divided into inner side and outer side two parts, between the inner side and outer side Groove just clamps the box body of delivery outlet, and the silica gel joint lateral middle is tubular circular hole, and the diameter of circular hole is less than described The diameter of delivery outlet, the diameter of the silica gel joint lateral wall circular hole are less than the diameter of tubular circular hole, the material tool of silica gel joint There is telescopic resilience.Vacuum attraction divided flow box side can be distributed full 1~40 delivery outlets and be shunted, and each delivery outlet is equal Mountable silica gel joint, tubular device are inserted directly into silica gel joint center hole, attract multiple tubular devices to facilitate to shunt Cleaning.Vacuum attraction divided flow box side patch silica gel plate or other retractility materials, silica gel plate front are provided with multiple apertures or prong, 1~10mm of pore diameter range, 3~14mm of prong, multiple apertures, jag among hole are opened in other retractility material fronts or side The various shapes such as mouth and circular hole are inserted directly into tubular device cleaning to facilitate.

Further, a protuberance is at least designed in the silica gel joint tubular circular hole, the protuberance is also referred to as reinforcing rib, It can play the role of fastening tubular device.

Further, interior design has steel ring on the outside of the silica gel joint, and the steel ring outer diameter is greater than divided flow box delivery outlet Diameter, steel ring internal diameter be less than divided flow box delivery outlet diameter.Internal on the outside of the silica gel joint to configure steel ring, steel ring outer diameter is big In the delivery outlet of divided flow box, steel ring internal diameter is less than the delivery outlet of divided flow box, can reinforce steel ring inner circle range intensity, steel ring by Silica gel bound edge opens circular hole or prong etc. by silica gel among steel ring, and when lumen instrument is inserted directly into, silica gel bore deformation dynamics is expressed to Steel ring, since steel ring is unlikely to deform, outer diameter is greater than the diameter of divided flow box delivery outlet, so silica gel joint is not easily to fall off to shunting Inside box.

Further, the silica gel joint lateral wall circular hole is prong or circular hole or square hole or elliptical aperture.The silica gel connects Head is intermediate to open 1~10mm of pore diameter range, and aperture can be various shapes among silica gel joint hole, and intermediate slit port is convenient to be inserted It is general to enter within 3~14mm of diameter tubular device cleaning, circular hole is suitable for the use of the instrument cleaning within 1~8mm of diameter.

Further, the silica gel joint connection traction hose, traction hose are inserted directly into tubular device perfusion interface, with Facilitate tubular device too long or perfusing hole be greater than silica gel joint when be inconvenient to be inserted directly into, by traction tube substitute connect.

A kind of vacuum attraction cleaning device, including vacuum tank, vacuum tank and vacuum pump, the vacuum tank connect vacuum tank, The vacuum tank connects vacuum pump, is equipped with pressure sensor, the pipe between the vacuum tank and vacuum tank on the vacuum tank Road is provided with vacuum valve, and check valve is provided on the pipeline between the vacuum tank and vacuum pump, is installed on the vacuum tank There is PLC control system, the PLC control system is equipped with display screen, can control vacuum by the control button of display screen Pump, vacuum valve and pressure sensor, connect vacuum attraction activity clamping apparatus on the cell wall of the vacuum tank, in the vacuum tank Vacuum attraction divided flow box is installed or is placed with cleaning basket, cleans in basket and lays vacuum attraction divided flow box, the vacuum attraction Movable clamping apparatus by active joint connect vacuum attraction divided flow box, the delivery outlet of the vacuum attraction divided flow box be connected with by The instrument or hose of cleaning.The PLC control system is electrically connected the vacuum pump, vacuum valve, pressure sensor and power supply Control line.The tubular device is inserted into silica gel joint, is immersed in very with vacuum attraction divided flow box, vacuum attraction activity clamping apparatus In empty slot, the gas in vacuum tank is extracted by vacuum pump；Vacuum tank has pressure sensor control, opens and is connected by vacuum valve Active joint on vacuum tank carries out pumping negative pressure, attracts tubular device inner wall liquid, then pass through vacuum valve and drain pipe phase platoon It puts vacuum tank and receives liquid, the vacuum pump is connect with vacuum tank can receive gas, fluid cushion, have noise reduction effect；It is described Vacuum trough body is combined with active joint band elastic interface, is easily taken out, is facilitated operation；Divided flow box distribution configuration in the vacuum tank 1~40 holes, can install multiple tubular device interfaces.

Further, the vacuum tank is the various shapes such as round, rectangular, rectangle, U-shaped, 304 plate 1~10mm thickness.

Further, vacuum pump connects check valve and vacuum through pipeline by check valve connection vacuum tank, the vacuum pump Tank, check valve prevent vacuum pump halted state back suction impeller of pump and pressure holding effect；Vacuum tank has pressure sensor control, and pressure passes Sensor connects PLC control system, and when the intracorporal pressure of vacuum tank reaches certain range, PLC control system receives pressure and passes The signal of sensor, starts or stops vacuum pump and vacuum valve.

The utility model has the beneficial effects that realizing intelligent behaviour by installation PLC control system and touch-screen display Make, avoids artificial mistake, improve drying effect；By installing pressure sensor, can monitor in real time in vacuum tank The pressure change in portion is realized according to the pressure limit of setting and automatically controls and operate；It is installed between vacuum cell wall and vacuum tank true Empty valve is transmitted to PCL control system by pressure sensor detection data when pressure reaches preset value, controls set pressure Power opens vacuum valve moment high negative pressure and attracts tubular device inner wall liquid flowing in vacuum tank；When being controlled by PLC control system Between, number by vacuum tank receive liquid open vacuum valve discharge；By install vacuum attraction clamping apparatus can be convenient be put into or Cleaning basket is taken out, multiple tubular devices can once be cleaned by the design of divided flow box, improve efficiency, pass through the design of reinforcing rib It can prevent insertion from falling off and fastening tubular device, fastening can be further strengthened by steel ring, prevent silica gel joint from falling off, and And different tubular devices can be applicable in.

Vacuum attraction cleaning device structure design provided by the utility model is exquisite, can effectively control in tubular device Portion's cleaning degree avoids cleaning halfway phenomenon in operation.

Detailed description of the invention

Fig. 1 is a kind of vacuum attraction cleaning device structural schematic diagram；

Fig. 2 is a kind of vacuum attraction activity clamping apparatus structural schematic diagram；

Fig. 3 is a kind of vacuum attraction activity clamping apparatus scheme of installation；

Fig. 4 is a kind of circular hole silica gel joint structural schematic diagram；

Fig. 5 is a kind of circular hole silica gel joint section schematic diagram；

Fig. 6 is a kind of prong silica gel joint structural schematic diagram；

Fig. 7 is a kind of prong silica gel joint section schematic diagram；

Fig. 8 is a kind of vacuum attraction divided flow box structural schematic diagram；

Fig. 9 is a kind of vacuum attraction activity clamping apparatus structural schematic diagram with spring limiting structure；

Figure 10 is a kind of silica gel joint structural schematic diagram using traction hose connection；

Figure 11 is a kind of flow chart of vacuum attraction cleaning device process control.

Appended drawing reference:

1 vacuum pump, 2 vacuum tanks, 3 pressure sensors, 4 vacuum tanks, 5 vacuum valves, 6 vacuum attraction activity clamping apparatus, 601 Active joint, 602 guide plates, 603 cage plates, 604 fixed plates, 605 springs, 7 vacuum attraction divided flow boxes, 701 input ports, 702 boxes Body, 703 delivery outlets, 8 check valves, 9 silica gel joints, 901 reinforcing ribs, 902 steel rings, 10 traction hoses, 11 tubular devices, 12PLC Control system, 13 touch display screens, 14 exhaust pipes, 15 drain pipes, 16 inlet tubes.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and embodiments, it should be understood that tool described herein Body embodiment is only used to explain the utility model, is not used to limit the utility model.

Refering to fig. 1, shown in Fig. 2, Fig. 3, Fig. 8, Fig. 9 and Figure 11, the utility model provides a kind of vacuum attraction cleaning device, Including vacuum tank 2, the vacuum tank 2 is connected with rectangular vacuum tank 4, and the vacuum tank 4 is connected with vacuum pump 1, the vacuum pump 1 Be equipped with exhaust pipe 14 above, be used for vacuum air-changing, pressure sensor 3 is installed on the vacuum tank 4, the vacuum tank 4 with it is true It is provided with vacuum valve 5 between empty slot 2, is provided with check valve 8 between the vacuum tank 4 and vacuum pump 1, the vacuum tank 4 and true Vacuum valve 5 is provided below in empty slot 2, and the vacuum tank 2 is equipped with PLC controller (system) 12, and the PLC control system 12 is pacified Equipped with touch display screen 13, the PLC control system is for controlling vacuum pump 1, pressure sensor 3, vacuum valve 5, check valve 8 With touch display screen 13, the cell wall of the vacuum tank 2 is equipped with vacuum attraction activity clamping apparatus 6, the vacuum attraction activity Clamping apparatus 6 connects the active joint 601 of vacuum attraction divided flow box 7, and the active joint 601 connects the input port of divided flow box 7 701.The PLC control system 12 is separately connected the vacuum pump 1, vacuum valve 5, pressure sensor 3 and power control line.Institute It states tubular device 11 and is inserted into silica gel joint 9 and vacuum attraction divided flow box 7, vacuum attraction activity clamping apparatus 6 impregnates vacuum tank 2 In, the gas for extracting vacuum tank 4 is operated by vacuum pump 1, check valve 8 can prevent vacuum pump back suction, and vacuum tank 4 is equipped with pressure Sensor 3 connects the vacuum attraction activity clamping apparatus 6 on vacuum tank 2 through pipeline by vacuum valve 5, carries out suction when pumping negative pressure Draw 11 inner wall liquid of tubular device, in the liquid that the discharge vacuum tank 4 that is connected by vacuum valve 5 with drain pipe receives, the vacuum Slot 2 is combined with active joint 601 with elastic interface, and divided flow box 7 can be distributed 40 delivery outlets 703 of configuration in the vacuum tank 2, It is separately connected the interface of tubular device 11.

Open power supply, start PLC control system 12, according to touch-screen display 13 show data, open vacuum valve 5 through into Liquid pipe 16 is intake into vacuum tank 2, and PLC control system 12, which controls after 2 water level of vacuum tank reaches setting position, stops feed liquor, is started Vacuum pump 1, vacuum pump 1 extract the gas in vacuum tank 4 by check valve 8 out, the pressure decline in vacuum tank 4, when vacuum tank 4 During interior pressure decline, pressure data is transferred to PLC control system 12 by pressure sensor 3, when the pressure for reaching setting When range, PLC control system 12 stops vacuum pump 1 and runs, and vacuum valve 5 is opened in the control of PLC control system 12；When divided flow box 7 is past Under when being put under 2 liquid of vacuum tank, active joint 601 is put into cage plate 603 and the opening in fixed plate 604 by guide plate 602 It is tightly engaged into, after opening vacuum valve 5, starting vacuum pump 1 takes out negative pressure, and attract 11 inner wall liquid of tubular device to flow to silica gel joint 9, Divided flow box 7 is entered, active joint 601 is flowed to and enters in vacuum tank 4 through pipeline, PLC control system 12 controls vacuum valve 5 and opens Drain pipe 15 discharges the liquid in vacuum tank 4.Aforesaid operations are repeated, until meeting subject to cleaning standard parameter.In whole process, PLC control system 12 is automatically performed according to the numerical value of setting to vacuum pump 1, vacuum valve 5, check valve 8 and pressure sensor 3 Starting is closed.

Refering to Fig. 2, Fig. 3 and Fig. 9, the utility model provides a kind of vacuum attraction activity clamping apparatus 6, including guide plate 602, cage plate 603 and fixed plate 604, the semicircular arc-shaped opening of the guide plate 602 are designed as 30 degree of oblique angle, the guide plate 602 connect with cage plate 603, and the cage plate 603 is connect with fixed plate 604, have opening, the active joint in the middle part of the fixed plate 601 head side is put into cage plate 603 by guide plate 602 and is closely connect with the opening of fixed plate 604, the active joint 601 Interior installation filter screen device, 604 affixed side of the fixed plate design have retractility activity tube-like interface, and divided flow box 7 moves up and down, 601 compressing activity tube-like interface of active joint is flexible, effect of the movable tube-like interface in 604 contained spring of fixed plate, 605 elastic force Lower pop-up, the input port 701 of 601 other side of the active joint connection divided flow box 7.7 bottom of divided flow box and active joint 601 connections, to facilitate liquid to flow to, thoroughly drain off liquid, no dead angle.

Refering to Fig. 8, the utility model provides a kind of vacuum attraction divided flow box 7, including box body 702, and the one of the box body 702 Side opens up at least one input port 701, and the other side of the box body 702 also at least opens up a delivery outlet 703, the delivery outlet 703 are equipped with silica gel joint 9, and 7 side of divided flow box is distributed 20 delivery outlets 703 and is shunted, and each delivery outlet 703 can pacify Silica gel joint 9 is filled, tubular device 11 is inserted directly into the hole at 9 center of silica gel joint and is cleaned.

Embodiment 1, as shown in Figure 4, Figure 5, the aperture of the silica gel joint 9 are round, 1~10mm of pore diameter range, There are three reinforcing rib 901 in big hole, can play the role of fastening tubular device 11.Silica gel joint 9 is infused using silica gel material Mold forming, during the test, when tubular device 11 of the diameter greater than 2mm is inserted directly into silica gel joint 9, sometimes entire Silica gel joint 9 is inserted into divided flow box 7, whole still to adopt by increasing by three reinforcing ribs inside silica gel joint 9 with silica gel material With silica gel material casting, in test process, it is inserted directly into silica gel joint 9 in tubular device 11 of the diameter less than or equal to 4mm, It can be to avoid the defects of entire silica gel joint 9 insertion divided flow box 7.It is inserted directly into tubular device 11 of the diameter greater than 4mm When silica gel joint 9, entire silica gel joint 9 can be also inserted into divided flow box 7, by increasing steel ring inside 9 outside of silica gel joint 902, when silica gel injection molding inside addition 902 silencing front end silica gel of 1mm thickness steel ring, during the test, greater than 6-10mm or it is same as The inner hole silica gel joint 9 in the same size that not will lead to is fallen in divided flow box 7, solves the critical issue that silica gel joint 9 falls off.

Embodiment 2, as shown in Figure 5, Figure 6, the aperture of the silica gel joint 9 are prong, and prong range is 3~14mm, institute Stating 9 outside interior design of silica gel joint has a steel ring 902, and 902 outer diameter of steel ring is greater than the diameter of delivery outlet 703, in steel ring 902 Diameter is less than the diameter of delivery outlet 703.Steel ring 902 is configured inside the silica gel joint 9,902 outer diameter of steel ring is greater than delivery outlet 703, 902 internal diameter of steel ring is less than delivery outlet 703, and to reinforce 902 inner circle range intensity of steel ring, steel ring 902 is by silica gel bound edge, steel ring By silica gel slit port among 902, when lumen instrument 11 is inserted directly into, silica gel bore deformation dynamics is expressed to steel ring 902, due to steel ring 902 are greater than delivery outlet 703, and institute's silica gel joint 9 is not easily to fall off to be arrived inside divided flow box 7.

Embodiment 3, as shown in Figure 10, the connection of the silica gel joint 9 traction hose 10, traction hose 10 are inserted directly into tubulose Interface is perfused in instrument 11, is substituted and is connected by traction tube.11 specification type of tubular device is more in practice, has fraction instrument still It cannot achieve and completed with the insertion of silica gel joint 9, interface is perfused using the traction access tubular device 11 of hose 10 and is connected, to facilitate pipe Shape instrument 11 is too long or greater than silica gel joint 9 when uses, this traction hose 10 and reinforcing rib and steel ring are with the use of obtaining very Good effect.

Embodiment 4, as shown in Figure 2 and Figure 3, when the semicircular arc-shaped opening of guide plate 602 is right angle guiding, with tolerance clearance Cooperate activity, clearance seal be not very well, and by expanding with heat and contract with cold after, be easy stuck, it is difficult to take out；It will by research and development The semicircular arc-shaped opening of guide plate 602 is made into oblique wave formula and avoids excessive clearance fit, in 602 gradient of guide plate divided flow box 7 because Weight slips down to the retractility activity tube-like interface tight connecting of intermediate 603 bottom of cage plate Yu fixed plate 604, and leakproofness, which reaches, to be wanted It asks, while all errors of expanding with heat and contract with cold are shunk back to 602 gradient of guide plate, portable Seperating box 7, which is in, to be loosened, and light taking-up is reached With put down effect.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is to combine specific preferred embodiment to institute of the present invention The further description of work is, and it cannot be said that specific implementation of the invention is only limited to these instructions.It is all in spirit of the invention With any modifications, equivalent replacements, and improvements made within principle etc., should all be included in the protection scope of the present invention.

Claims (9)

1. a kind of vacuum attraction clamping apparatus, it is characterised in that: described to lead including guide plate, cage plate, fixed plate and active joint Be to plate and cage plate it is semicircular arc-shaped, the cambered surface of the guide plate is higher than the cambered surface of cage plate, and the cage plate is clipped in guide plate and fixation Between plate, the fixed plate is equipped with opening, and the opening is higher than the cambered surface of cage plate, and the active joint is tubular structure, Side is bulging annulus interface, and side is tube-like interface, and the bulging annulus interface is fallen into cage plate and fixed by guide plate Opening on plate is tightly connected.

2. vacuum attraction clamping apparatus according to claim 1, it is characterised in that: the both ends of the guide plate are ramp type Structure.

3. vacuum attraction clamping apparatus according to claim 1, it is characterised in that: the open interior is equipped with scalable Tube-like interface.

4. a kind of vacuum attraction divided flow box, it is characterised in that: including box body and active joint, the side of the box body is at least opened up One input port, the input port connect the tube-like interface of the active joint side, and other sides of the box body at least open up One delivery outlet, the delivery outlet are equipped with silica gel joint, and the silica gel joint is divided into inner side and outer side, the inner side and outer side Between groove just clamp the box body of delivery outlet, the silica gel joint lateral middle is tubular circular hole, and the diameter of circular hole is small In the diameter of the delivery outlet, the diameter of the silica gel joint lateral wall circular hole is less than the diameter of tubular circular hole.

5. vacuum attraction divided flow box according to claim 4, it is characterised in that: at least design one inside the tubular circular hole A reinforcing rib.

6. vacuum attraction divided flow box according to claim 4, it is characterised in that: be equipped with steel ring, institute inside the outside The outer diameter for stating steel ring is greater than the diameter of delivery outlet, and steel ring internal diameter is less than the diameter of delivery outlet.

7. vacuum attraction divided flow box according to claim 4, it is characterised in that: the circular hole of the lateral wall is prong or side Hole or elliptical aperture.

8. vacuum attraction divided flow box according to claim 4, it is characterised in that: the silica gel joint connection traction hose, The traction hose is inserted directly into tubular device perfusion interface.

9. a kind of vacuum attraction cleaning device, it is characterised in that: including vacuum tank, vacuum tank and vacuum pump, the vacuum tank connects Vacuum tank is connect, the vacuum tank connects vacuum pump, is equipped with pressure sensor, the vacuum tank and vacuum tank on the vacuum tank Between vacuum valve is installed, the vacuum pump, vacuum valve and pressure sensor are controlled by PLC control system, the vacuum tank Vacuum attraction clamping apparatus is installed, the placed inside of the vacuum tank has vacuum attraction divided flow box, and the vacuum is inhaled on cell wall Draw clamping apparatus and vacuum attraction divided flow box is connected by active joint.