KR101071729B1 - pin tube vacuum cleaning apparatus - Google Patents

pin tube vacuum cleaning apparatus Download PDF

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KR101071729B1
KR101071729B1 KR1020100024213A KR20100024213A KR101071729B1 KR 101071729 B1 KR101071729 B1 KR 101071729B1 KR 1020100024213 A KR1020100024213 A KR 1020100024213A KR 20100024213 A KR20100024213 A KR 20100024213A KR 101071729 B1 KR101071729 B1 KR 101071729B1
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washing
vacuum
washing liquid
main body
diaphragm
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KR1020100024213A
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Korean (ko)
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KR20110105126A (en
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이태양
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(주)범용테크놀러지
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

The present invention relates to a microtubule vacuum cleaning apparatus which can clean the inside of a microtubule having a very small diameter, such as a syringe needle.
In the micro-tube vacuum cleaning apparatus according to the present invention, after inserting the micro tube 1 into the washing cylinder 30, the washing liquid is supplied to the storage unit 11a so that the lower end of the micro tube 1 is locked and the vacuum pump 60 When the pressure inside the vacuum unit 11b becomes a vacuum state, the washing liquid flows into the vacuum unit 11b through the through hole 1a of the micro tube 1, and the through hole 1a of the micro tube 1 ) There is an advantage to clean the inside completely.

Description

Pin tube vacuum cleaning apparatus

The present invention relates to a microtubule vacuum cleaning apparatus which can clean the inside of a microtubule having a very small diameter, such as a syringe needle.

In general, as shown in FIG. 1, in the case of the microtube 1 having a very small diameter, such as a syringe needle, oil or other foreign matter may be queried inside the through hole 1a during manufacture, and thus cleaning should be performed after the manufacture. .

By the way, the through-hole (1a) formed in such a micro-tube (1) is very small in diameter so that the washing liquid does not flow into the through-hole (1a) during cleaning, to remove foreign matter inside the through-hole (1a) as a general cleaning method There was a very difficult issue.

Therefore, various cleaning apparatuses have been developed to solve this problem, but such a conventional cleaning apparatus has insufficient problems to completely clean the inner surface of the fine through holes 1a.

The present invention is to solve the above problems, an object of the present invention is to provide a microtubule vacuum cleaning apparatus of a new structure that can effectively clean the through-holes formed in the microtubules.

The present invention for achieving the above object, the washing chamber 11 is formed therein and one side is provided with a main body 10 and a lid for hermetically opening and closing the washing chamber 11, and the main body of the The diaphragm 20 which is disposed in the horizontal direction and partitions the washing chamber 11 into the lower storage portion 11a and the upper vacuum portion 11b and has an opening 21 penetrating the upper and lower surfaces in the center portion, the upper end, Is opened and a through hole 31 is formed at the lower end to be installed in an airtight manner in the opening 21, and the inside of the washing cylinder 30 is inserted into a plurality of micro-tubes 1 in the up and down direction, and the main body ( 10 is connected to the storage portion 11a of the washing liquid supply device 40 for supplying the washing liquid inside the storage portion 11a, and the vacuum portion 11b connected to the vacuum portion 11b of the main body 10. It is provided with a micro-tube vacuum washing apparatus comprising a vacuum pump 60 for reducing the pressure inside.

According to another feature of the invention, the diaphragm 20 is detachably coupled to the inside of the main body 10, the diaphragm 20 on the upper surface on the inner circumferential surface of the washing chamber 11 of the main body 10 The lower periphery of the) is provided with a support protrusion (12) which is hermetically coupled, and a fixing mechanism (13) for fixing the diaphragm (20) in close contact with the support protrusion 12, the storage unit (11a) is stored inside Microtubule vacuum cleaning apparatus is provided, characterized in that the ultrasonic vibration device 50 for vibrating the cleaning liquid supplied into the portion (11a).

According to another feature of the invention, the evaporator 70 is provided in the storage portion (11a) of the main body 10 to generate a high temperature washing liquid vapor to heat the washing liquid supplied to the storage portion (11a) to evaporate to a vapor state And a water level sensor 80 which is provided inside the main body 10 to detect the level of the washing liquid supplied to the storage 11a, and is connected to the water level sensor 80. The control unit 90 for controlling the operation of the washing liquid supply device 40, the vacuum pump 60 and the evaporator 70 in accordance with the signal of the) is further provided, the control unit 90 is the water level sensor ( In accordance with the signal of 80 to supply a small amount of the washing solution to the reservoir (11a) by the evaporator 70, the washing liquid is heated and evaporated at a high speed so that the microtube (1) can be heated and washed first When the first washing is completed, the lower end of the microtube 1 is locked by controlling the washing liquid supply device 40. There is provided a microtubule vacuum cleaning apparatus, which is capable of supplying a sufficient amount of washing liquid to the storage portion 11a.

According to another feature of the invention, the main body 10, the cylinder 101 is installed to communicate with the vacuum portion (11b), the piston 102 provided inside the cylinder 101, and the piston Comprising a drive device 103 connected to the 102 and advances the piston 102, the auxiliary vibration device 100 for repeatedly raising and lowering the air pressure inside the vacuum portion (11b) of the main body 10 at a high speed There is provided a microtubule vacuum cleaning apparatus further comprising.

In the micro-tube vacuum cleaning apparatus according to the present invention, after inserting the micro tube 1 into the washing cylinder 30, the washing liquid is supplied to the storage unit 11a so that the lower end of the micro tube 1 is locked and the vacuum pump 60 When the pressure inside the vacuum unit 11b becomes a vacuum state, the washing liquid flows into the vacuum unit 11b through the through hole 1a of the micro tube 1, and the through hole 1a of the micro tube 1 ) There is an advantage to clean the inside completely.

1 is a perspective view showing a general microtubule,
Figure 2 is a side cross-sectional view showing a microtubule vacuum cleaning apparatus according to the present invention,
3 is a plan view showing a washing cylinder of the micro-tube vacuum washing apparatus according to the present invention,
4 to 6 is a reference diagram explaining the operation of the micro-tube vacuum cleaning apparatus according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 to 6, the microtube vacuum cleaning apparatus according to the present invention, the main body 10 having a washing chamber 11 formed therein, and is detachably coupled to the inside of the main body 10; A diaphragm 20 for dividing the washing chamber 11 inside the main body 10 into a lower storage part 11a and an upper vacuum part 11b and a plurality of microtubes provided in the diaphragm 20. Ultrasonic vibration provided in the washing cylinder 30, the washing liquid supply device 40 connected to the storage portion 11a of the main body 10, and the inside of the storage chamber of the main body 10 can be inserted (1) The apparatus 50, the vacuum pump 60 connected to the vacuum portion 11b of the main body 10, the evaporator 70 provided in the storage portion 11a of the main body 10, and the main body 10 Water level sensor 80 provided inside the storage unit (11a), the control unit 90 connected to the water level sensor 80, and the auxiliary vibration device 100 provided on one side of the main body (10) Consists of the above After washing the capillary tube (1) provided in the chuck cylinder 30, or removing the cleaning cylinder 30 and the plate 20 is configured to be capable of cleaning an exterior surface of a typical blood cleaning water (2). At this time, the step of washing the microtube (1) installed in the washing cylinder 30, as shown in Figure 4, by first evaporating the washing solution using the evaporator 70 to wash the microtube (1) and The first step of heating and as shown in Fig. 5, the pressure difference between the vacuum unit 11b and the storage unit 11a after supplying the washing liquid to the storage unit 11a such that the lower end of the microtube 1 is locked. Using the washing liquid is divided into a second step to force the washing while passing through the through hole (1a) of the microtubule (1).

To this end, the main body 10 is formed in a rectangular cylindrical shape, the upper end is provided with a lid so as to be able to close or open the washing chamber 11 hermetically, the inner circumference of the washing chamber 11 On the surface there is a ring-shaped support protrusion 12 which the lower circumference of the diaphragm 20 is hermetically coupled to the upper surface, and a fixing mechanism 13 for fixing the diaphragm 20 in close contact with the upper surface of the support protrusion 12. It is provided, one side is provided with an unshown observation window to be able to observe the inside. The fixing mechanism 13 is provided with a fastening bolt 13a coupled to penetrate the circumferential surface of the main body 10 so as to be positioned above the support protrusion 12, and a distal end of the fastening bolt 13a. It is composed of a fixing key 13b having an inclined surface, and when the tightening bolt 13a is rotated, the fixing key 13b emerges into the inside of the main body 10 while the inclined surface presses the periphery of the diaphragm 20 downward. By doing so, the diaphragm 20 is configured to be firmly fixed to the upper surface of the support protrusion 12.

The diaphragm 20 is formed in a rectangular plate shape corresponding to the washing chamber 11 of the main body 10, the central portion is formed with a circular opening 21 penetrating the vertical direction, the lower peripheral surface is supported It is hermetically coupled to the upper surface of the protrusion 12, and partitions the washing chamber 11 into the lower reservoir 11a and the upper vacuum 11b. At this time, the packing 21a is provided on the upper surface of the support protrusion 12 or the lower side of the diaphragm 20, and the diaphragm 20 is placed on the upper surface of the support protrusion 12, and then the fixing mechanism ( 13) the diaphragm 20 can be fixed to airtight.

The washing cylinder 30 is formed in a cylindrical shape having a diameter corresponding to the opening 21 of the diaphragm 20 is detachably coupled to the opening 21, the upper surface is opened to a plurality of micro-tubes therein (1) is configured to be put up, the lower end is formed with a plurality of through holes 31 having a smaller diameter than the micro-pipe (1) is the cleaning liquid stored in the storage portion (11a) through the through holes (31) It is configured to be introduced inside. In addition, the circumferential surface of the washing cylinder 30 is provided with a flange 32 caught on the upper surface of the diaphragm 20 to plate the washing cylinder 30 by using a bolt 33 passing through the flange 32. 20 is configured to be detachably coupled to the lower end of the flange 32 is provided with a packing (32a) in close contact with the upper surface of the diaphragm (20). Therefore, after the lower end of the washing cylinder 30 is inserted into the opening 21, the bolt 33 may be tightened to fix the washing cylinder 30 to the opening 21 in an airtight manner.

The washing liquid supply device 40 is a washing liquid storage tank 41 capable of storing the washing liquid therein, and a supply pipe 44 connecting the washing liquid storage tank 41 and the storage portion 11a to the main body 10. And a valve 42 and a supply pump 43 provided at an intermediate portion of the supply pipe 44. In this case, an air vent 41a through which external air is introduced is formed at one side of the saline solution storage tank 41, and the internal air pressure of the cleaning solution storage tank 41 is configured to maintain an atmospheric pressure state, and the valve 42 ) And the supply pump 43 are connected in parallel to the middle portion of the supply pipe 44.

The ultrasonic vibrator 50 functions to vibrate the cleaning liquid supplied to the storage unit 11a to clean the surface of the through hole 1a or the other object 2 of the microtubule 1 contained in the cleaning liquid. . Since the structure of the ultrasonic vibrator 50 is generally widely used, a detailed description thereof will be omitted.

The vacuum pump 60 is connected to the vacuum part 11b through the vacuum line 61, and discharges the air inside the vacuum part 11b to reduce the pressure of the vacuum part 11b by -atm, that is, in a vacuum pressure state. Function to make Therefore, after the microtube 1 is installed in the washing cylinder 30, when the air inside the vacuum unit 11b is discharged by the vacuum pump 60, the vacuum unit 11b and the washing liquid storage tank 41 are inside. After the washing liquid stored in the washing liquid storage tank 41 is introduced into the storage portion (11a) by the pressure difference of the vacuum portion (11b) through the through hole (1a) of the microtube (1) installed in the washing cylinder (30) Flows into. At this time, the vacuum line 61 is extended so that the front end is closer to the lower side of the vacuum portion (11b) and the vacuum pump 60 is connected to the washing liquid storage tank 41 through the discharge line 62, FIG. As shown in FIG. 5, when the level of the washing liquid introduced into the vacuum unit 11b is increased, the washing liquid is sucked together with the air inside the vacuum unit 11b and discharged to the washing liquid storage tank 41 so that the washing liquid is circulated.

The evaporator 70 is provided with a heater therein to heat and evaporate the washing liquid supplied to the storage compartment, as shown in FIG. 4, the microtube 1 into which the steam of the washing liquid is inserted into the washing cylinder 30. By passing through the through-hole (1a) of the first and the first through the through-hole (1a) of the microtube (1) and at the same time serves to heat the microtube (1).

The water level sensor 80 is installed on the inside of the storage unit (11a) to be located above the low water level sensor (81) installed in the lower side of the storage unit (11a), the low water level sensor (81a). It is composed of a high water level sensor (82). At this time, in the first step of the micro-tub (1) washing operation for washing the micro-tub (1) stored in the washing cylinder 30, the level of the washing liquid maintains a low water level such that the evaporator 70 is locked, When washing general objects (2) except for the customs (1), because the level of the washing liquid is to maintain a very high water level, the low water level sensor 81 and the high water level sensor 82, respectively, It is configured to output a signal to the control unit 90 when the low or high water level.

The control unit 90 operates and controls the valve 42 and the supply pump 43 of the washing liquid supply device 40 according to the signal of the water level sensor 80 under the control of the operator, thereby storing the storage unit ( The vacuum pump 60, the evaporator 70, and the ultrasonic wave are maintained at the same time as the level of the washing liquid supplied to the storage unit 11a to maintain the high level or the low level to suit the progress of the work or the contents of the work in 11a). Function to control the operation of the vibration device (50).

The auxiliary vibration device 100 includes a cylinder 101 installed to communicate with the vacuum unit 11b through the auxiliary air line 101a, a piston 102 installed inside the cylinder 101, and the piston. And a driving device 103 connected to the 102 to move the piston 102 back and forth, and the piston 102 is moved back and forth at a high speed by the driving device 103, thereby advancing the body 10. Study (11b) functions to repeatedly raise and lower the internal air pressure at a high speed.

Referring to the method of washing the microtubule 1 using the microtubule vacuum washing apparatus configured as described above is as follows.

First, as shown in FIG. 2, when the inside of the washing chamber 11 of the main body 10 is empty, a diaphragm 20 is installed inside the washing chamber 11, and the washing cylinder 30 is provided. After putting up a plurality of micro-tubes (1) in the interior of the washing cylinder 30 is inserted into the opening 21 of the diaphragm 20 to be fixed with a bolt 33 and the lid is closed to complete the preparation work. At this time, as shown in FIG. 3, the operator inserts the largest amount of microtubules 1 into the washing cylinder 30 so that the gap between the microtubules 1 is minimized.

Then, when the operator operates the control unit 90 to perform the washing operation, as shown in Figure 4, the control unit 90 operates the vacuum pump 60 to move the inside of the vacuum unit (11b) Simultaneously with the vacuum to open the valve 42 of the washing liquid supply device 40, the washing liquid stored in the washing liquid storage tank 41 is supplied to the storage (11a). When the cleaning solution is supplied to maintain the low water level, the control unit 90 operates the evaporator 70 to heat evaporate the cleaning solution. When the washing solution is evaporated by heating, the washing solution vapor evaporated through the through hole 1a of the microtubule 1 inserted into the washing cylinder 30 by the pressure difference between the storage unit 11a and the vacuum unit 11b. While flowing into the study (11b) and the first washing the inside of the through hole (1a) of the microtube (1) at the same time, the microtube (1) heated by heating the microtube (1) is thermally expanded to the washing cylinder (30) Make sure that they are locked so that they do not move inside. At this time, the control unit 90 monitors the signal of the lower detection sensor to open and close the valve 42 so that the level of the washing liquid supplied into the storage 11a maintains the low water level.

Then, when the first washing is completed after a certain time, as shown in Figure 5, the control unit 90 stops the operation of the evaporator 70 and the vacuum pump 60 to continuously operate In the state to maintain the valve 42 of the cleaning liquid supply device 40 in the open state. In this case, the water level of the washing liquid supplied to the storing portion 11a due to the pressure difference between the storing portion 11a and the vacuum portion 11b may cause the lower end of the microtubule 1 contained in the washing cylinder 30 to be immersed in the washing liquid. After rising until the washing liquid is raised through the through hole (1a) of the microtube (1) inserted into the washing cylinder (30) while washing the inside of the through hole (1a) of the microtube (1) Discharge to 11b) and wash secondly.

At this time, when there is a lot of foreign matter in the through-hole (1a) of the micro-tube (1), or if the cleaning liquid does not pass smoothly through the through-hole (1a) of the micro-pipe (1) for various reasons, the user is the auxiliary vibrator (100) ) To allow the cleaning liquid to smoothly pass through the through hole (1a) of the microtubule (1). That is, when the auxiliary vibrator 100 is operated, the piston 102 is quickly lifted by the driving device 103 to forcibly suck the air inside the vacuum unit 11b into the cylinder 101 and then press the cylinder. (101) By injecting the air inside the vacuum portion (11b) to force the air pressure inside the vacuum portion (11b) to quickly rise, thereby rapidly changing the vacuum pressure inside the vacuum portion (11b), such a change in the vacuum pressure By virtue of being converted into impact energy and vibrating the microtubules 1, foreign substances blocking the inside of the micropores 1 of the micropores 1 can easily fall off, and thus, the cleaning liquid is applied to the micropores 1. It can easily pass through the interior of 1a) to clean the interior of the through hole (1a).

Then, when the level of the washing liquid discharged to the vacuum portion (11b) through the micro-tube (1) is increased, the washing liquid is sucked by the vacuum pump 60 with air and then circulated to the washing liquid storage tank 41 By repeating this process, the inside of the through hole 1a of the microtubule 1 may be washed.

Therefore, the operator can stop the entire device by operating the control unit 90 when the washing operation is carried out for a certain time, and after the opening of the lid of the main body 10 to remove the washing cylinder 30 can complete the washing operation; After inserting a new microtubule 1 into the washing tub 30, the microtubule 1 may be installed on the diaphragm 20 to perform washing of the microtubule 1 again.

Referring to the method of washing the general object to be cleaned (2) using the micro-tube vacuum cleaning device configured as described above are as follows.

First, as shown in FIG. 6, the worker removes the diaphragm 20, inserts the object to be cleaned 2 into the washing chamber 11, and closes the lid to complete the preparation work. At this time, a plurality of through-holes (110a) is formed in the circumferential surface of the washing chamber 11 is provided with a separate support cylinder 110 to be introduced into the object to be cleaned (2).

When the operator operates the control unit 90, the control unit 90 operates the supply pump 43 to supply the washing liquid into the washing chamber 11 of the main body 10, and at the same time, the vacuum pump. (60) is operated to vacuum the pressure inside the washing chamber (11). At this time, the control unit 90 monitors the signal of the high water level sensor 82 to control the level of the washing liquid is not excessively high. When the pressure inside the washing chamber 11 is sufficiently low, the control unit 90 controls the ultrasonic vibrator 50 to wash the object to be cleaned 2, and when the washing operation is completed, the washing chamber 11 is completed. ) After releasing the vacuum inside, the supply pump 43 is rotated in reverse to discharge the washing liquid in the washing chamber 11 to the washing liquid storage tank 41 to complete the operation.

Therefore, the operator can open the lid of the main body 10, take out the object to be cleaned 2 inside the washing chamber 11, and then insert a new object to be cleaned 2 to repeat the washing operation.

The micro-tube vacuum cleaning device configured as described above includes a diaphragm 20 dividing the washing chamber 11 into a storage portion 11a and a vacuum portion 11b in the washing chamber 11 of the main body 10, and the diaphragm 20. ) Is provided with a washing cylinder 30 to be installed inside the micro-tube (1), the vacuum portion (11b) is a vacuum pump (60) to discharge the air of the vacuum portion (11b) to make a vacuum state Is provided, and the washing liquid supplied to the vacuum unit 11b by using the pressure difference between the storage unit 11a and the vacuum unit 11b is forced through the microtube 1 installed in the washing cylinder 30. Since it is discharged through (1a), there is an advantage that can effectively wash the through hole (1a) of the very narrow micro-tub (1).

In addition, the diaphragm 20 is detachably coupled to the inside of the main body 10, the lower peripheral portion of the diaphragm 20 on the upper surface of the inner circumferential surface of the washing chamber 11 of the main body 10 is airtight And a fixing mechanism 13 for fixing the diaphragm 20 in close contact with the support protrusion 12, and the inside of the storage unit 11a. Ultrasonic vibrator 50 is provided to vibrate the supplied washing liquid, and if necessary, the diaphragm 20 can be removed to utilize the cleaning of the general object (2) other than the micro-tub (1). have.

In addition, the evaporator 70 is provided in the storage unit 11a of the main body 10 to generate a high temperature washing liquid vapor which heats the washing liquid supplied to the storage unit 11a and evaporates it to a vapor state, and the main body 10. ) Is provided inside the water level sensor 80 for detecting the level of the cleaning liquid supplied to the storage unit (11a), and connected to the level sensor 80, the cleaning liquid in accordance with the signal of the water level sensor 80 A control unit 90 is provided to control the operation of the supply device 40, the vacuum pump 60, and the evaporator 70, and evaporates the washing liquid supplied to the storage portion 11a to primaryly the microtube 1. At the same time, the microtube 1 is thermally expanded at the same time as the microtubule 1 is firmly fixed to the inside of the washing cylinder 30, thereby increasing the level of the washing liquid so that the washing liquid passes directly through the through hole 1a. In the washing step, it is possible to prevent the microtube (1) from being pushed upward by the washing liquid. The.

In addition, the main body 10 is further provided with an auxiliary vibration device 100, by repeatedly raising and lowering the air pressure inside the vacuum portion (11b) of the main body 10 at a high speed, if necessary, inside the through hole (1a) By quickly removing the foreign matters of the cleaning liquid to allow the inside of the through hole (1a) to pass smoothly, there is an advantage to increase the cleaning effect.

10. main body 20. diaphragm
30. Cleaning fluid 40. Cleaning fluid supply device
50. Ultrasonic vibrator 60. Vacuum pump
70. Evaporator 80. Water level sensor
90. Control unit 100. Auxiliary vibration device

Claims (4)

The washing chamber 11 is formed therein, and on one side thereof, a main body 10 having a lid for tightly opening and closing the washing chamber 11 and a washing chamber 11 disposed in a horizontal direction inside the main body 10. ) Is divided into a lower storage part 11a and an upper vacuum part 11b, and a diaphragm 20 having an opening 21 penetrating the upper and lower sides thereof in the central part thereof, and an opening 31 formed in the upper end thereof and a lower hole 21 formed in the lower end thereof. Is installed in an airtight in the opening 21 and the inside is connected to the washing cylinder 30 is inserted into the plurality of micro-pipes 1 are installed in the vertical direction and the storage portion (11a) of the main body 10 Washing liquid supply device 40 for supplying the washing liquid in the storage portion (11a) and the vacuum pump 60 is connected to the vacuum portion (11b) of the main body 10 to reduce the pressure in the vacuum portion (11b) Including,
The evaporator 70 is provided in the storage unit 11a of the main body 10 to generate a high temperature washing liquid vapor which heats the washing liquid supplied to the storage unit 11a and evaporates it to a vapor state. The washing liquid supply device provided inside the water level sensor 80 for detecting the level of the washing liquid supplied to the storage unit 11a, and connected to the water level sensor 80 according to the signal of the water level sensor 80 40 is further provided with a control unit 90 for controlling the operation of the vacuum pump 60 and the evaporator 70, the control unit 90 is the storage unit according to the signal of the water level sensor 80 After supplying the washing liquid to the portion 11a little by little, the washing liquid is heated and evaporated at a high speed by the evaporator 70 so that the microtube 1 can be heated and washed first, and then the washing liquid is completed when the first washing is completed. The supply device 40 is controlled to store a sufficient amount of the washing liquid so that the bottom of the microtube 1 is locked. Microtubular vacuum cleaning apparatus, characterized in that the supply to the portion (11a).
The diaphragm of claim 1, wherein the diaphragm 20 is detachably coupled to the inside of the main body 10, and an inner circumferential surface of the washing chamber 11 of the main body 10 has an upper surface of the diaphragm 20. The lower periphery is provided with a support protrusion 12 which is hermetically coupled, and a fixing mechanism 13 for fixing the diaphragm 20 in close contact with the support protrusion 12, and a storage unit (11) inside the storage unit (11a). 11a) Micro-tube vacuum cleaning device, characterized in that the ultrasonic vibration device for vibrating the cleaning liquid supplied into the 50 is provided.
delete The cylinder body (101) installed in communication with the said vacuum part (11b), the piston (102) provided in the inside of the cylinder (101), and the said piston (102) in the said main body (10). It is composed of a drive device 103 connected to the piston 102 to move forward and backward, further comprising an auxiliary vibration device 100 for repeatedly raising and lowering the air pressure inside the vacuum portion (11b) of the main body 10 at a high speed Microtubular vacuum cleaning device, characterized in that the.
KR1020100024213A 2010-03-18 2010-03-18 pin tube vacuum cleaning apparatus KR101071729B1 (en)

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KR1020100024213A KR101071729B1 (en) 2010-03-18 2010-03-18 pin tube vacuum cleaning apparatus

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KR101071729B1 true KR101071729B1 (en) 2011-10-11

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CN109941126A (en) * 2019-04-24 2019-06-28 浙江格瑶科技股份有限公司 A kind of multifunction wireless charging system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050000550A1 (en) 2003-07-01 2005-01-06 Tyson Fresh Meats, Inc. Method for backflushing injector needles
JP2007291940A (en) * 2006-04-25 2007-11-08 Teijin Pharma Ltd Vacuum pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050000550A1 (en) 2003-07-01 2005-01-06 Tyson Fresh Meats, Inc. Method for backflushing injector needles
JP2007291940A (en) * 2006-04-25 2007-11-08 Teijin Pharma Ltd Vacuum pump

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