WO2017115933A1 - Vacuum self-priming pump - Google Patents

Abstract

In order to prevent a discharge hole, through which air in a pump chamber is discharged during vacuum pumping of a fluid, from being blocked by flowing fluid or the fluid from being suctioned and enable an operation to be stably implemented in a vacuum self-priming pump for suctioning the air inside the pump chamber and forming a vacuum state and then pumping the fluid, the present invention relates to a vacuum self-priming pump comprising: a motor; a body that has a pump chamber formed as a space portion of a certain size and that has a built-in impeller which is connected to a rotation shaft of the motor and rotates to suction fluid from an entrance and discharge same through an outlet; an air discharging tube communicating with the pump chamber of the body and having air from the pump chamber flowing therethrough; vacuum means communicating with an end portion of the air discharging tube, and discharging air in the pump chamber to the outside; and air blocking means installed between the end portion of the air discharging tube and the pump chamber, for opening and closing the inside of the air discharging tube. The present invention provides a vacuum self-priming pump in which: the air blocking means comprises a tube body connected to the air discharging tube and having an inlet connected to an entrance of the pump chamber and a discharging hole through which air is discharged, a float configured to move up and down by means of buoyancy imparted by a fluid inside the tube body, and an opening and closing member for opening and closing the end portion of the air discharging tube according to the rising and falling of the float; and covering means provided on the upper portion of the float to prevent splashing and suctioning of fluid in the direction toward the discharging hole of the tube body and closing of the discharging hole.

Description

Vacuum strong magnetic suction pump

The present invention is to improve the structure of the applicant's Korean Patent Registration No. 10-791044 vacuum ferromagnetic pump, more specifically, to suck the air in the pump chamber to form a vacuum state, and then to pump the fluid In the vacuum ferromagnetic suction pump, it relates to a vacuum ferromagnetic pump which can stably perform the operation by preventing the outlet of the pump chamber from being discharged or blocked by the flowing fluid during the vacuum pump operation of the fluid.

In general, a pump is a device that pumps the fluid upward and forcibly moves it when the fluid is below the discharge port, and is used to move or circulate the fluid.

Such a pump is required to completely fill the pump room at the initial stage of operation so that the pump is properly made. In the related art, a pump using another pump or a water-sealed vacuum pump that continuously operates while supplying a certain amount of water is operated. The pump is made by draining the air inside the pump room to make a vacuum and filling the water.

However, in the conventional pump and the water-sealed vacuum pump as described above, when pumping water containing a lot of sludge, the pumping water must be initially filled into the pump room.

That is, when air remains in the pump chamber, the vacuum pump is not properly made, there is a problem inferior workability.

In order to solve the above-mentioned problems, the present applicant has proposed a vacuum ferromagnetic suction pump which can smooth the vacuum pump of the fluid by forming the inside of the pump chamber in a vacuum state without initially filling water. .

The vacuum ferromagnetic pump proposed by the present applicant as described above is Korean Patent Registration No. 10-791044 (name: vacuum ferromagnetic pump), the vacuum ferromagnetic pump, as known in the publication, the fluid by the motor And an air discharge means for communicating with the pumping chamber to which the pump is discharged to discharge the air of the pumping chamber to the outside, and installing a one-way check valve to prevent the fluid from flowing back to the discharge port of the pumping chamber. By forcibly discharging to the outside to generate a pressure difference, it was possible to move the fluid pumped by the motor more easily to shorten the working time and to minimize the power consumption was able to improve the work efficiency.

However, the vacuum induction suction pump of Korean Patent Registration No. 10-791044 proposed by the present applicant as described above is closed or adsorbed by the fluid flowing through the outlet port through which the air of the pump chamber is discharged during the vacuum pump operation of the fluid. As a result, there was a problem that the pump operation can not be performed stably.

The present invention has been proposed to solve the above conventional problems, and an object of the present invention is to improve the structure of the vacuum ferromagnetic pump of the present applicant, Korean Patent Registration No. 10-791044, the inside of the pump chamber In the vacuum ferromagnetic pump which is designed to pump the fluid after inhaling the air, it is stable to prevent the outlet of the pump chamber from being discharged or blocked by the flowing fluid during the vacuum pump operation of the fluid. It is to provide a vacuum ferromagnetic pump which can perform the work.

The vacuum ferromagnetic pump according to the present invention for achieving the object of the present invention as described above, has a pump chamber consisting of a motor and a space portion of a predetermined size, is connected to the rotating shaft of the motor rotates to suck the fluid at the inlet and discharged to the outlet A body having an impeller embedded therein, an air discharge pipe communicating with the pump chamber of the body to move the air in the pump chamber, a vacuum means communicating with an end of the air discharge tube, and discharging the air of the pump chamber to the outside; In the vacuum ferromagnetic pump which is provided between the end of the pump chamber and the air blocking means to open and close the interior of the air discharge pipe; The air blocking means is connected to the air discharge pipe, the pipe body having a discharge port through which the air is discharged and the inlet port connected to the inlet of the pump chamber, and the rich man to be moved by the buoyancy of the fluid inside the pipe body (浮子) And an opening and closing member for opening and closing an end of the air discharge pipe according to the rising and falling of the rich man. The upper portion of the rich, characterized in that the shielding means is provided to prevent the fluid from splashing and closing in the direction of the outlet side of the tubular body.

The shielding means is characterized in that consisting of a shielding plate made of a 'plate' shaped plate fixed to a portion connecting the rich and the opening and closing member.

The opening and closing member, the upper surface is in close contact with the end of the air discharge pipe and is closed, and the opening and closing plate provided with an extension rod formed in the bottom through and vertically penetrated through the bottom of the bottom, the outlet of the tube and the air discharge pipe A fixing body provided between the fixing tube having a receiving hole for accommodating the opening and closing plate and having a through hole fixed in the center of the receiving hole so that the lower end of the extension rod is positioned inside the tubular body; The lower end is fixed to the upper end of the rich and the upper end is made of a connecting pipe fastened to the inside of the connecting pipe fastened to the lower end of the extension comprises an opening and closing pin to open and close the through; The shielding means, characterized in that consisting of a shielding plate made of a 'plate' shaped plate fixed to the connecting pipe.

In the vacuum ferromagnetic suction pump of the present invention made as described above, the air flows inside the pipe during the operation of vacuum pumping the fluid after sucking the air in the pump chamber to form a vacuum state, and splashing or flowing to the outlet side. Even if it is blocked by the shielding means so that the fluid is adsorbed to the outlet so as not to close the space of the outlet, there is an effect that can be performed stably.

Figure 1 is a schematic illustration showing a vacuum ferromagnetic pump according to an embodiment according to the present invention.

Figure 2 is a schematic illustration showing the air blocking means applied to the vacuum ferromagnetic pump according to an embodiment according to the present invention.

Figure 3 is a schematic illustration showing a shielding means applied to the vacuum ferromagnetic pump according to the present embodiment.

4 and 5 is a schematic illustration showing a state of use of the vacuum ferromagnetic pump according to the present embodiment.

Figure 6 is a schematic illustration showing a state of use of the shielding means applied to the vacuum ferromagnetic pump according to the present embodiment.

Figure 7 is a schematic illustration showing another example of the shielding means applied to the vacuum ferromagnetic pump according to the present embodiment.

Figure 8 is a schematic illustration showing another example of the shielding means applied to the vacuum ferromagnetic pump according to the present embodiment.

Figure 9 is a schematic illustration showing another example of the shielding means applied to the vacuum ferromagnetic pump according to the present embodiment.

[Description of the code]

1: Vacuum strong magnetic suction pump 2: Motor

3: pump room 4: impeller

5: body 6: air discharge pipe

7: vacuum means 8: air blocking means

81: tube 82: rich man

83: opening and closing member 831: extension rod

832: opening and closing plate 833: fixed tube

834: fixture 835: connector

835a: upper cylinder 835b: lower cylinder

836: opening and closing pin 837: air distribution hole

9: non-return valve 10: shielding means

10a: fitting hole 10b: drain hole

11 shutoff valve 12 control means

13 detection means H: outlet

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

Embodiments of the invention may be modified in various forms, the scope of the invention should not be construed as limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those skilled in the art. Therefore, the shape of the elements in the drawings and the like may be exaggerated to emphasize a more clear description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. Detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention are omitted.

1 to 6 is a view showing a vacuum magnetic induction pump according to an embodiment according to the present invention, the vacuum magnetic induction pump 1 according to the present embodiment, the motor 2 and the space portion of a constant size A body 5 having an impeller 4 so as to rotate and connected to a rotating shaft of the motor 2 to suck the fluid at the inlet and discharge the outlet to the outlet, and a pump chamber of the body 5. 3) an air discharge pipe 6 in communication with the pump chamber 3 to which the air of the pump chamber 3 is moved, and a vacuum means 7 in communication with an end of the air discharge tube 6 to discharge the air of the pump chamber 3 to the outside; And an air shutoff means 8 provided between the end of the air discharge pipe 6 and the pump chamber 3 to open and close the inside of the air discharge pipe 6.

That is, the air blocking means 8 is provided between the air discharge pipe 6 and the inlet of the pump chamber 3 to block the buoyancy of the fluid between the pump chamber 3 and the air discharge pipe 6. Or released.

In the above, the outlet of the pump chamber 3 is preferably provided with a non-return valve 9 to prevent the back flow of the fluid.

That is, when the pump chamber 3 is formed in a vacuum state through the vacuum means 7, the air and fluid of the outside are prevented from flowing back through the outlet to smoothly implement the vacuum state of the pump chamber 3. Most preferably.

In the above, the non-return valve 9 may be formed of a one-way check valve which prevents the flow of fluid and air from the outlet to the pump chamber 3 and discharges the fluid to the outside through the outlet, and supplies power from the outside. It may be made of a solenoid valve that is applied and driven, according to the user's selection, the air or fluid flows back to the pump chamber (3) from the outside to drive the vacuum means (7) inside the pump chamber (3) By preventing the air from flowing in, it is preferable that the pump chamber 3 be able to form a vacuum more smoothly.

In the vacuum ferromagnetic suction pump 1 according to the present embodiment, the air blocking means 8 includes an outlet port connected to the air discharge pipe 6 and an inlet port connected to the inlet of the pump chamber 3. A tube body 81 having a; A rich man 82 to be moved by the buoyancy with the fluid in the inside of the pipe 82, and the opening and closing member for opening and closing the end of the air discharge pipe (6) in accordance with the rising and falling of the rich man 82 It consists of 83.

That is, when the rich man 82 rises to the upper side due to the buoyancy of the fluid, the opening and closing member 83 closes the end of the air discharge pipe 6, and the buoyancy of the fluid is lowered, so that the rich man 82 moves downward. When descending, the opening / closing member 83 opens the end of the air discharge pipe 6.

In addition, the vacuum magnetic induction pump 1 according to the present embodiment, the air discharge pipe 6 is provided with a shut-off valve 11 to block the movement of the fluid, the vacuum means through the shut-off valve 11 After the driving of (7) is stopped, the fluid is prevented from flowing out to the vacuum means 7 through the air discharge pipe 6 to ensure safety.

That is, if the space of the air discharge pipe 6 is closed through the shut-off valve 11 after the driving of the vacuum means 7 is stopped, the fluid may be discharged to the vacuum means 7 without permission. It is blocked to implement the safety.

In addition, the vacuum ferromagnetic suction pump 1 according to the present embodiment receives the sensing data for the vacuum state of the pump chamber 3 and calculates the vacuum means 7 and the shut-off valve 11 according to the set data. And control means 12 adapted to control the non-return valve 9 and the motor 2.

That is, the shutoff valve 11, the non-return valve 9 and the motor 2 are preferably controlled by the control means 13 to be driven and released when necessary.

 On the other hand, the sensing means 14 is provided to detect the level of the fluid contained in the pump chamber 3 to detect whether the vacuum state is implemented and to apply data on the level of the detected fluid to the control means 12 It is desirable to be.

That is, it is most preferable to detect the vacuum state of the pump chamber 3 in real time through the sensing means 13 to obtain the base data on whether the motor 2 and the vacuum means 7 are driven. Do.

The sensing means 13 is preferably made of a water level sensor to detect the level of the fluid, it is located in the pump chamber 3, the inlet of the pump chamber 3 or the tube 81 to be located. It may be, it is preferably disposed at a position corresponding to the level of the level that can be vacuum pump in the pump chamber (3), it is most preferable to arrange and apply according to the user's choice.

Preferably, the control means 12 controls the operation of the shut-off valve 11, the vacuum means 7, and the motor 2, and initially sets the pump chamber 3 in accordance with the set data. To form a vacuum state, by controlling the driving of the vacuum means (7) and opening of the shut-off valve (11), and in the vacuum state of the pump chamber (3) detected by the sensing means (14) The water level data of the fluid is applied, the driving of the vacuum means 7 is stopped, the shutoff valve 11 is closed, and the motor 2 is driven to continuously maintain the rotation of the impeller 4. Most preferably, the fluid is pumped through the pump chamber 3.

In the air blocking means 8 of the vacuum ferromagnetic suction pump 1 according to the present embodiment as described above, the opening and closing member 83, as shown in Figure 2, the upper surface of the end of the air discharge pipe (6) Close and close to the opening and closing plate 832 is provided with an extension rod 831 is formed in the bottom through and vertically penetrated through the bottom, the outlet (H) of the tube 81 and the air discharge pipe It is disposed between the (6) and having a receiving hole for receiving the opening and closing plate 832 and fixed to penetrate so that the lower end of the extension rod 831 in the center of the receiving hole is located inside the tubular body 81 Fixing tube (833) having a through hole is provided in the fixed body 834, the lower end is fixed to the upper end of the rich (82) and the upper end of the connecting pipe 835 fastened to the lower end of the extension rod (831) It has an opening and closing pin (836) to be opened and closed so as to be able to open and close the through hole inside.

That is, the pump chamber 3 is formed in a vacuum state by supplying the air of the pump chamber 3 to the air discharge pipe 6 through the discharge port H and discharging it to the outside.

Accordingly, until the fluid is filled inside the pump chamber 3 and all the air is discharged so that the opening and closing plate 832 is lifted by the rich 82 to close the end of the air discharge pipe 6, The air of the pump chamber 3 is smoothly discharged through the air discharge pipe 6.

After the pumping operation of the fluid is completed, the rich man 82 is lowered and at the same time, by opening the through hole, the air is injected into the air discharge pipe 6 through the through hole and the air discharge pipe 6 And by releasing the vacuum state inside the vacuum means (7), the rich 82 and the opening and closing plate 832 to be returned to the stable position to initialize smoothly.

The opening and closing the opening pin 836 is to be opened and closed while moving up and down by the buoyancy of the rich 82 in the interior of the connecting pipe 835, the opening and closing pin to move up and down with the rich 82 The opening is smoothly opened and closed by 836.

 In addition, the upper surface of the opening and closing pin 836, it is preferable that the sealing element of the elastic material is provided to seal the through hole more smoothly.

In the connection pipe 835, it is preferable that the air flow hole 837 is formed in communication with the inside and outside to supply air to the through hole through the air flow hole 837.

As described above, in the vacuum ferromagnetic suction pump 1 according to the present embodiment, the upper portion of the rich body 82 is prevented from splashing by adsorbing the fluid toward the outlet H side of the tubular body 83 and closing. It is characterized in that the shield means 10 is provided.

The shielding means 10 is preferably made of a shielding plate made of a 'plate' shaped plate that is fixed to a portion connecting the rich 82 and the opening and closing member 83.

Accordingly, after the air in the pump chamber 3 is sucked to form a vacuum state, the fluid flows inside the tubular body 81 and splashes or flows toward the outlet H during the vacuum pumping of the fluid. Even if it is blocked by the shielding means 10, the fluid is adsorbed to the outlet (H), so as not to close the space of the outlet (H), to perform a stable operation.

In addition, the shielding means 10 is discharged to the inside of the connecting pipe 835 through the air distribution hole 837, to prevent the up and down reciprocation of the opening and closing pin 836 is prevented, the operation of the operation The reliability is secured.

In the connection pipe 835, the upper cylinder 835a and screwed with the extension rod 831 and. The upper end of the opening and closing pin 836 is made to include a lower cylinder (835b) that is accommodated and fixed; The coupling portion of the upper cylinder 835a and the lower cylinder 835b is preferably screwed to be coupled.

At this time, the shielding means 10, the fitting hole (10a) is formed to be fitted to the connection portion of the upper cylinder (835a) and the lower cylinder (835b) is most preferably to be fitted.

On the other hand, the shielding means 10, as shown in Figure 7, the outer circumferential surface may be made of a plate body having a 'cap (cap)' shape located below the center, in this case, the fluid bouncing to the bottom surface It can be induced to free fall while dispersing to the outside.

And, the shielding means 10, as shown in Figure 8, the outer peripheral surface may be made of a plate body having a 'cup' shape located above the center, in this case, the connecting pipe 835 is the outer peripheral surface It may be formed to be located in the space between the center and the center so as to protect from the flow.

At this time, the central portion of the drain hole (10b) to discharge the fluid accumulated on the floor to the outside

When the shielding means 10 is fitted in the connector 835, as shown in FIG. 8, the washer is coupled to the upper and lower portions of the shielding means 10. As may be the case, it is most preferable to apply by the user's selection.

In the above, the shielding means 10, may be formed of a metal material, may be made of a rubber material, it is most preferably applied by the user's choice.

One embodiment of the present invention described above is merely exemplary, and those skilled in the art will appreciate that various modifications and equivalent other embodiments are possible therefrom. . Therefore, it will be understood that the present invention is not limited to the forms mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents, and substitutes within the spirit and scope of the invention as defined by the appended claims.

Claims (3)

A pump chamber comprising a motor and a space portion of a predetermined size, the body having an impeller so as to be connected to the rotating shaft of the motor to rotate and suck the fluid at the inlet and discharge to the outlet; and the air in the pump chamber is in communication with the pump chamber of the body. A moving air discharge pipe, a vacuum means communicating with an end of the air discharge pipe to discharge the air in the pump chamber to the outside, and an air installed between the end of the air discharge pipe and the pump chamber to open and close the inside of the air discharge pipe In the vacuum ferromagnetic pump comprising a blocking means; The air blocking means, A pipe having a discharge port connected to the air discharge pipe to discharge air and an inlet connected to an inlet of the pump chamber, a rich man floating and moving by buoyancy with a fluid inside the pipe, and the rising and falling of the rich man. Including the opening and closing member for opening and closing the end of the air discharge pipe; On top of the rich, And a shielding means provided to prevent the fluid from splashing and closing in the direction of the outlet side of the tubular body. The method of claim 1; The shielding means is a vacuum magnetic induction pump, characterized in that consisting of a shielding plate made of a 'plate' shaped plate fixed to a portion connecting the rich and the opening and closing member. The method of claim 1; The opening and closing member is, An opening and closing plate having an upper surface closely sealed to the end of the air discharge pipe and having an extension rod having a lower portion extending through the bottom and vertically penetrating through the center, and disposed between the outlet of the pipe and the air discharge pipe. Fixing body provided with a fixing tube having a through hole for receiving the opening and closing plate and the through-hole fixed in the center of the receiving hole so that the lower end of the extension rod is located in the interior of the tube, the lower end is the upper end of the rich It is fixed to and the upper end is made to include an opening and closing pin to open and close the opening so as to be movable in the interior of the connecting pipe fastened to the lower end of the extension rod; The shielding means, Vacuum ferromagnetic pump, characterized in that consisting of a shield plate consisting of a plate of the 'plate' shape fixed to the connecting pipe.

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