KR101777460B1 - A Air Seal Device of a Vacium Self-priming Pump - Google Patents

A Air Seal Device of a Vacium Self-priming Pump Download PDF

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Publication number
KR101777460B1
KR101777460B1 KR1020150110466A KR20150110466A KR101777460B1 KR 101777460 B1 KR101777460 B1 KR 101777460B1 KR 1020150110466 A KR1020150110466 A KR 1020150110466A KR 20150110466 A KR20150110466 A KR 20150110466A KR 101777460 B1 KR101777460 B1 KR 101777460B1
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KR
South Korea
Prior art keywords
air
discharge pipe
opening
air discharge
pipe
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KR1020150110466A
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Korean (ko)
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KR20170017092A (en
Inventor
지영배
윤영숙
지효근
조수현
정윤근
지현숙
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주식회사 일성
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Priority to KR1020150110466A priority Critical patent/KR101777460B1/en
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Application granted granted Critical
Publication of KR101777460B1 publication Critical patent/KR101777460B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The present invention can facilitate initialization after pumping of fluid so as to facilitate reworking;
A tubular body having an outlet connected to the air discharge pipe and an inlet connected to an inlet of the pump chamber; A float which is moved up and down by buoyancy with a fluid inside the tubular body and an opening and closing member which opens and closes the end of the air discharge pipe according to the ascending and descending of the rich; Wherein the opening and closing member includes an opening and closing plate having an extension rod which is in close contact with the end portion of the air discharge pipe and which is closed at the bottom and has a through hole formed vertically downward at the center and extending downwardly, A fixing pipe provided with a fixing body provided with a through hole having a receiving groove for receiving the opening and closing plate, the through hole being fixed at the center of the receiving groove so that a lower end of the extending rod is positioned inside the tube; And an opening / closing pin which is fixed to the upper end of the rich portion and whose upper end is inserted / fixed in a vertically movable manner in the coupling pipe fastened to the lower end of the extending rod to open / close the through hole. .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air seal device for a vacuum pump,

The present invention relates to an air shielding apparatus applied to a vacuum force suction pump of Korean Patent Registration No. 10-791044 of the present applicant, and more particularly, to an air shielding apparatus which can smoothly perform initialization after fluid pumping, And more particularly, to an air shutoff device for a vacuum forced-air suction pump.

Generally, a pump is a device for pumping upward and forcibly moving the fluid upward when the fluid is below the discharge port, and is used for moving or circulating fluid.

The pump is designed to be pumped by fully filling the water inside the pump chamber at the beginning of operation. In the past, by using another pump or a water-pumped vacuum pump which is manually operated or continuously supplying a certain amount of water, The air was pumped out to make the pumped water into the vacuum state.

However, in the conventional pump and the water-pumped vacuum pump, when water containing a lot of sludge is pumped, it is necessary to initially fill the interior of the pump.

That is, when air remains in the inside of the pump chamber, the vacuum pumping is not properly performed and the workability is poor.

The applicant of the present invention has proposed a vacuum forced immersed pump in which the interior of the pump chamber is formed in a vacuum state without initially filling the vacuum chamber so as to facilitate the vacuum pumping of the fluid.

The vacuum strong-magnet sucking pump proposed in the above-mentioned applicant is Korean Patent Registration No. 10-791044 (name: vacuum-strong-magnet sucking pump), and the vacuum- And an air discharging means communicating with the pumping chamber to discharge the air from the pumping chamber to the outside, and a one-way check valve is installed to prevent the fluid from flowing back to the discharge port of the pumping chamber, The fluid that has been pumped by the motor can be more easily moved, thereby shortening the working time and minimizing the power consumption, thereby improving the efficiency of the work.

1. Korean Patent Registration No. 10-791044

However, the above-described vacuum pump of the Korean Patent Registration No. 10-791044 proposed by the applicant of the present invention, when the operation of the vacuum pump of the fluid is completed, when the operation is to be resumed, There is a problem in that the air shutoff device is continuously kept in a vacuum state of the air exhaust means, so that the initialization is not performed and the reworking can not be continuously performed.

That is, since the air shutoff means can not perform the opening operation of the air by the vacuum state of the air exhaust means and maintains the closed state, the initialization is not performed.

The present invention has been made in order to solve the above-mentioned problems of the related art, and an object of the present invention is to improve an air shutoff device applied to a vacuum force suction pump of Korean Patent Registration No. 10-791044 of the present applicant, Which can smoothly perform the initialization after the pumping of the vacuum pump, so that the reworking can be facilitated.

In order to accomplish the above object, the present invention provides a vacuum interrupter for a vacuum forced-air suction pump, comprising: a motor; a pump chamber having a space of a predetermined size and connected to a rotating shaft of the motor, An air discharge pipe communicating with a pump chamber of the body to move the air in the pump chamber and an air pump communicating with an end of the air discharge pipe to discharge the air in the pump chamber to the outside, The vacuum interrupter according to claim 1, wherein the vacuum interrupter is a vacuum pump. The vacuum interrupter for a vacuum pump according to claim 1, further comprising: A tubular body having an outlet connected to the air discharge pipe and an inlet connected to an inlet of the pump chamber, the tubular body being adapted to open and close an end of the air discharge pipe by buoyancy with fluid inside the pump chamber; A float which is moved up and down by buoyancy with a fluid inside the tubular body and an opening and closing member which opens and closes the end of the air discharge pipe according to the ascending and descending of the rich; Wherein the opening and closing member includes an opening and closing plate having an extension rod which is in close contact with the end portion of the air discharge pipe and which is closed at the bottom and has a through hole formed vertically downward at the center and extending downwardly, A fixing pipe provided with a fixing body provided with a through hole having a receiving groove for receiving the opening and closing plate, the through hole being fixed at the center of the receiving groove so that a lower end of the extending rod is positioned inside the tube; And an opening / closing pin which is fixed to the upper end of the rich portion and whose upper end is inserted and fixed in the connecting pipe fastened to the lower end of the extending rod so as to be vertically movable, so as to open and close the opening.

The lower end of the fixed body is disposed within the fixed tube with an interval between the outlet and the air outlet groove formed on the outer surface so as to spatially connect an interval between the receiving groove and the fixed tube. .

In the air blocking device for a vacuum forced draft pump according to the present invention, when the fluid is pumped, the air discharge pipe is smoothly closed after the air in the pump chamber is completely discharged to maintain the vacuum state of the pump chamber , And after the pumping operation of the fluid is completed, the above-mentioned hole is opened to the self load to inject air into the air discharge pipe to smoothly release the vacuum state inside the air discharge pipe and the air discharge means .

Thus, the rich state can be stably returned to the home position, so that the initialization is smoothly performed, and the vacuum pump operation is continuously and smoothly performed.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a vacuum force suction pump to which an air cutoff device for a vacuum force suction pump according to an embodiment of the present invention is applied; FIG.
FIG. 2 is a schematic view showing an air shielding apparatus for a vacuum pump for sucking a vacuum according to an embodiment of the present invention; FIG.
Fig. 3 is a schematic perspective view showing an opening / closing plate and a fixing body of a gap member applied to an air shielding apparatus for a vacuum forced draft suction pump according to the present embodiment.
Fig. 4 and Fig. 5 are schematic views showing excerpts of a part of the air shielding device for a vacuum forced-air suction pump according to the present embodiment. Fig.
Figs. 6 to 10 are schematic views showing the use state of the air shielding device for a vacuum forced-air suction pump according to the present embodiment. Fig.

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

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 10 are diagrams showing an air shielding apparatus for a vacuum forced air suction pump according to an embodiment of the present invention. The air shielding apparatus 1 according to the present embodiment includes a motor 2, (4) having a pump chamber (3) composed of a space portion of the motor (2) and connected to a rotating shaft of the motor (2) to suck fluid from the suction port and discharge the fluid to the discharge port, An air discharge pipe 5 communicating with the pump chamber 3 and communicating with the pump chamber 3 so as to move air in the pump chamber 3 and air discharge means communicating with the end of the air discharge pipe 5 to discharge the air in the pump chamber 3 to the outside 6 and is installed between the end of the air discharge pipe 5 and the pump chamber 3 to open and close the inside of the air discharge pipe 5.

That is, it is provided between the air discharge pipe 5 and the inlet of the pump chamber 3 to open and close the end of the air discharge pipe 5 by using buoyancy of the fluid inside the pump chamber 3.

The air blocking device 1 according to the present embodiment includes a tubular body 20 having an outlet 21 connected to the air discharge pipe 5 and an inlet 22 connected to an inlet of the pump chamber 3; An openable and closable member 30 for opening and closing the end of the air discharge pipe 5 in accordance with the ascending and descending of the rich member 30, (40).

That is, when the valve 30 is lifted up and down by the buoyant force of the fluid, the opening and closing member 40 opens and closes the end of the air discharge pipe 5.

In the air shutoff device 1 according to the present embodiment as described above, the opening / closing member 40 has a top surface that is in close contact with the end portion of the air discharge pipe 5 and is closed, An opening and closing plate 41 provided with an extending rod 412 having a through hole 411 formed therein and an opening and closing plate 41 disposed between the outlet 21 of the tube 20 and the air outlet pipe 5, And a through hole 422 is formed at the center of the receiving groove 421 and is fixed to the tube body 20 so that the lower end of the extending rod 412 is positioned inside the tube body 20 And a lower end of the fixing pipe 43 is fixed to an upper end of the pipe 30 and an upper end of the fixing pipe 43 is connected to a lower end of the connecting pipe 44, And an opening / closing pin 45 which is movably inserted and fixed so as to open and close the through hole 411.

That is, the air in the pump chamber 3 is supplied to the air discharge pipe 5 through the discharge port 21 and discharged to the outside, thereby forming the pump chamber 3 in a vacuum state.

The fluid is introduced into the pump chamber 3 until all the air is exhausted and the opening and closing plate 41 is raised by the valve 30 to close the end of the air discharge pipe 5, The air in the pump chamber 3 is smoothly discharged through the air discharge pipe 5.

After the pumping operation of the fluid is completed, the rich portion 30 is lowered and the air hole 411 is opened to inject air into the air discharge pipe 5 through the through hole 411 The vacuum state inside the air discharge pipe 5 and the air discharge means 6 is released and the rich 30 and the opening and closing plate 41 are stably returned to the original position.

The through hole 411 is opened and closed by moving the opening and closing pin 45 upward and downward within the coupling pipe 44 by buoyancy of the richer 30, The opening / closing pin (45) smoothly opens and closes the through hole (411).

The upper surface of the opening and closing pin 45 is preferably provided with a sealing element 451 made of an elastic material so as to seal the through hole 411 more smoothly.

In the air blocking device 1 according to the present embodiment, the lower end of the fixing body 42 is disposed at a distance from the outlet 21 in the fixing pipe 43, An air flow groove 423 for spatially connecting an interval between the receiving groove 421 and the fixing pipe 43 is formed

That is, the air discharge pipe 5 and the discharge port 21 of the tubular body 20 are spatially connected through the air flow groove 423 to allow air to flow.

When the opening / closing plate 41 opens the air discharge pipe 5, the air circulation groove 423 communicates with the discharge port 21 to allow air to flow.

It is preferable that a guide pin 31, which is inserted into the inlet 22 and guided when it is moved up and down, is fixed to a lower portion of the above-

Accordingly, the superfluous member 30 is vertically moved in the tubular body 20 by the guide pin 31 in a predetermined position.

The guide pin 31 is provided with a weight 32 so as to further facilitate the descent of the auxiliary member 30 so that the initialization operation of the opening and closing member 41 is facilitated.

The operation and effect of the air blocking means according to the present embodiment as described above will be described in detail as follows.

6, when air is sucked through the air discharge pipe 5, the fluid is sucked and stored in the pump chamber 3, and the fluid flows into the tubular body 20, The rich 30 is raised.

7, the opening / closing pin 45 is connected to the upper end of the extension rod 412 of the opening / closing plate 41 so as to extend upwardly And the opening / closing plate 41 is moved upward to close the end of the air discharge pipe 5.

That is, the fluid is prevented from flowing into the air discharge pipe 5, and the air discharge pipe 5 is in a vacuum state at this time.

At this time, the opening / closing pin 45 is pressed upward by the coin 30 to close the through hole 411.

As described above, in the state in which the opening / closing plate 41 closes the air discharge pipe 5, an operation of vacuum-pumping the fluid through the pump chamber 3 is performed, and the pumping operation of the fluid is completed, As shown in FIG. 8 and FIG. 9, when the fluid is discharged from the tubular body 20, the buoyancy of the fluid 30 is lost and the fluid 30 is lowered. As shown in FIGS. 8 and 9, The opening / closing pin 45 moves downward due to the descent of the pin 30.

9, as the air is introduced into the air discharge pipe 5 via the through-hole 411, the vacuum state of the air discharge pipe 5 is maintained Is released.

Therefore, the opening / closing plate 41 is smoothly separated from the air discharge pipe 5 and is returned to the initial position and is initialized to open the air discharge pipe 5 to freely move air through the air discharge groove 423 .

Air is injected into the air discharge pipe 5 through the through hole 411 to release the vacuum state of the air discharge pipe 5 and the air discharge means 6, ) Is returned to the home position and initialized, so that the reworking is continuously and smoothly performed.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: air cutoff device 2: motor
3: pump chamber 4: body
5: air discharge pipe 6: air discharge means
10: vacuum force pump 20: tube
21: outlet 22: inlet
30: rich 31: guide pin
32: weight 40: opening / closing member
41: open / close plate 411: through hole
412: extension rod 42: fixed body
421: receiving groove 422: through hole
423: air distribution groove 43: fixed pipe
44: connector 45: opening / closing pin
451: Closure element

Claims (2)

(4) having a motor (2), a pump chamber (3) made up of a space of a certain size and connected to a rotation shaft of the motor (2) to rotate and suck fluid from a suction port and discharge the fluid to a discharge port An air discharge pipe 5 communicating with a pump chamber 3 of the body 4 to move the air in the pump chamber 3 and an air discharge pipe 5 communicating with an end of the air discharge pipe 5, (5) and the pump chamber (3) in a vacuum forced air suction pump (10) including an air discharge means (6) having an air pumping portion for discharging the air discharged from the air discharge pipe (5) (1) for opening and closing the inside of a vacuum pump for sucking a vacuum pump;
And an end of the air discharge pipe (5) is opened and closed using buoyancy with fluid inside the pump chamber (3);
A tubular body 20 having an outlet 21 connected to the air discharge pipe 5 and an inlet 22 connected to an inlet of the pump chamber 3; An air inlet 30 for opening and closing the end of the air discharge pipe 5 in accordance with the ascending and descending of the rich 30; Member (40);
The opening / closing member (40)
An opening and closing plate 41 which is in close contact with the end portion of the air discharge pipe 5 and is provided with an extension rod 412 having a through hole 411 extending vertically downward at the center and extending downwardly at the bottom, (411) is disposed between the discharge port (21) of the discharge port (20) and the air discharge pipe (5), and the extension rod (412) A fixing pipe 43 having a fixing body 42 provided with a through hole 422 which is fixed so as to be inserted into the tube 20 so that the lower end of the fixing pipe 43 is positioned inside the tube 20, And an opening / closing pin 45 which is fixed to the upper end of the connecting rod 44 by being vertically movably inserted in the connecting pipe 44 fastened to the lower end of the extending rod 412 to open and close the opening 411 For the vacuum pump suction pump.
The method of claim 1, further comprising:
The lower end of the fixing body 42,
And is spaced apart from the outlet (21) within the fixed tube (43);
On the outer peripheral surface of the fixing body 42,
And an air flow groove (423) spatially connecting an interval between the receiving groove (421) and the fixing pipe (43) is formed.
KR1020150110466A 2015-08-05 2015-08-05 A Air Seal Device of a Vacium Self-priming Pump KR101777460B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150110466A KR101777460B1 (en) 2015-08-05 2015-08-05 A Air Seal Device of a Vacium Self-priming Pump

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Application Number Priority Date Filing Date Title
KR1020150110466A KR101777460B1 (en) 2015-08-05 2015-08-05 A Air Seal Device of a Vacium Self-priming Pump

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KR20170017092A KR20170017092A (en) 2017-02-15
KR101777460B1 true KR101777460B1 (en) 2017-09-15

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KR1020150110466A KR101777460B1 (en) 2015-08-05 2015-08-05 A Air Seal Device of a Vacium Self-priming Pump

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100791044B1 (en) 2007-06-21 2008-01-04 지효근 Vacuum self-priming pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100791044B1 (en) 2007-06-21 2008-01-04 지효근 Vacuum self-priming pump

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