KR200470937Y1 - The structure of the vacuum pump equipped with a vacuum suction vehicles - Google Patents

The structure of the vacuum pump equipped with a vacuum suction vehicles Download PDF

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Publication number
KR200470937Y1
KR200470937Y1 KR2020120010401U KR20120010401U KR200470937Y1 KR 200470937 Y1 KR200470937 Y1 KR 200470937Y1 KR 2020120010401 U KR2020120010401 U KR 2020120010401U KR 20120010401 U KR20120010401 U KR 20120010401U KR 200470937 Y1 KR200470937 Y1 KR 200470937Y1
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KR
South Korea
Prior art keywords
vacuum
suction
groove
pump
rotor
Prior art date
Application number
KR2020120010401U
Other languages
Korean (ko)
Inventor
김정옥
Original Assignee
금강정밀(주)
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Priority to KR2020120010401U priority Critical patent/KR200470937Y1/en
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Publication of KR200470937Y1 publication Critical patent/KR200470937Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/22—Tank vehicles
    • B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
    • B60P3/225—Adaptations for pumps or valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses
    • B60Y2200/146—Silo or fluid transporting vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3446—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along more than one line or surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)

Abstract

The structure of the vacuum pump provided in the vacuum suction vehicle according to the present invention is a flange portion 11 provided to be mounted to the lower portion of the vacuum suction vehicle (C), the discharge hole 12 penetrated on one side of the outer peripheral edge, the outer peripheral edge One pump body 10 consisting of a suction hole 13 penetrated to the other side; A rotor 20 connected to the power take-off device 2 and provided eccentrically in the pump body 10; It consists of a rotary connection portion 30 for connecting the power take-off device (2) and the rotor (20); The suction groove 13 of the pump body 10 is formed on the inner circumferential surface of the suction hole 13 side along the arc of the inner circumferential surface, and a suction groove 14 having a rectangular groove is formed. A discharge groove 15 having a groove formed therein is provided with a single vacuum pump in the vacuum suction vehicle to simplify the internal structure of the vacuum suction vehicle, remove the rotating sleeve, and enlarge the internal area of the pump body. The suction groove and the discharge groove are formed to increase the amount of air sucked into and discharged into the pump body, and the suction groove is formed to have a length of 1L and the discharge groove has a length of 1.1L to increase the air suction pressure. There is.

Description

The structure of the vacuum pump equipped with a vacuum suction vehicles}

The present invention relates to a structure of a vacuum pump provided in a vacuum suction vehicle, and more particularly, a vacuum pump is provided to simplify the internal structure of the vacuum suction vehicle, and the rotary sleeve is removed to enlarge the internal area of the pump body. The suction groove and the discharge groove are formed to increase the amount of air sucked into and discharged into the pump body, and the length of the suction groove and the length of the discharge groove are formed in a ratio of 1: 1.1 so that the pressure of the air is increased. It relates to a structure of a vacuum pump provided in the vacuum suction vehicle.

In general, a vacuum suction vehicle is a vehicle used to collect inhaled substances that are difficult to inhale with a fluid pump, such as wastewater containing foreign substances or highly corrosive chemicals such as sludge and manure, and is provided with a suction and discharge pipe. It is a commercial vehicle that directly inhales or discharges waste water or chemicals containing foreign substances into a storage tank by changing the inside of the tank to a vacuum state through a vacuum pump. For example, a manure collection vehicle, a sewer dredging vehicle, and a chemical storage vehicle. It is applied to the back.

Here, FIG. 2 is a piping diagram showing the piping of a conventional vacuum suction vehicle C. As shown in FIG. 2, a PTO (POWER TAKE OFF) mounted on a transmission of the vehicle, that is, a universal joint 3 connected to the power take-off device 2 is illustrated. And a plurality of first vacuum pumps 4 and second vacuum pumps 4 'are provided to generate a strong vacuum force in the storage tank T in which the suction P is stored, and the first vacuum pump is provided. (4) and the second vacuum pump (4 ') are connected to the universal joint (3).

However, the conventional vacuum suction vehicle (C) is a vacuum suction vehicle due to the first vacuum pump 4 and the second vacuum pump (4 ') is provided with a plurality so that a strong vacuum force is generated inside the storage tank (T). There is a problem that the maintenance of the vehicle is very inconvenient because the lower space of (C) is complicated.

In addition, the universal joint 3 connecting the first vacuum pump 4 and the second vacuum pump 4 'has a problem of being easily broken due to frequent rotation and stop.

 And, Figure 3 is an exploded perspective view showing a conventional vacuum pump (4, 4 ') as shown in the inlet and outlet is formed on one side and the other side of the outer periphery and the pump body (volume 5a) formed therein ( 5), the rotor 6 rotated by the power transmitted from the power take-off device 2 to the volume portion 5a, and the rotor 6 contacts the inner circumference of the volume portion 5a. It is composed of a precision ground sleeve 7 to facilitate this.

However, the conventional vacuum pumps 4 and 4 'have a problem of reducing the output efficiency of the vacuum pumps 4 and 4' by the area where the sleeve 7 exists and the sleeve 7 exists therein. Due to this, there is an inevitable problem of installing a plurality of pumps.

The present invention was devised to solve the problems of the prior art as described above, and an object of the present invention is to provide a single vacuum pump in a vacuum suction vehicle, to simplify the internal structure of the vacuum suction vehicle, and to remove the rotating sleeve and the pump body. The inner area of the pump is enlarged, and the rectangular suction groove and the discharge groove are formed to increase the amount of air sucked into and discharged into the pump body, and the suction groove length is 1L and the discharge groove length is 1.1L. The present invention provides a structure of a vacuum pump provided in a vacuum suction vehicle which increases the pressure in which air is sucked.

In order to achieve the above object, the structure of a vacuum pump provided in a vacuum suction vehicle according to the present invention is a structure of a vacuum pump connected to a power take-off device to generate a vacuum in a storage tank of the vacuum suction vehicle, A pump body comprising a flange portion provided to be mounted, a discharge hole penetrated at one side of the outer circumference, and a suction hole penetrated at the other side of the outer circumference; A rotor connected to the power take-off and provided eccentrically in the pump body; Rotation connection portion for connecting the power take-off and the rotor; The suction hole side inner circumferential surface of the pump body is formed with a suction groove formed with a rectangular groove along the arc of the inner circumferential surface, the discharge hole side inner circumference is characterized in that the discharge groove portion formed with a rectangular groove formed along the arc of the inner circumferential surface.

The length of the suction groove portion and the length of the discharge groove portion is characterized in that formed in a ratio of 1: 1.1.

The rotor has a rotor body provided eccentrically at the center of the pump body, and a plurality of vane blades inserted into the outer circumference of the rotor body so as to be moved by the centrifugal force of the rotor and contact the inner circumferential surface of the pump body It features.

One end of the vane blade is characterized in that the spherical vane blade contact portion is formed so as to rotate in contact with the inner peripheral surface of the pump body.

Thus, the structure of the vacuum pump provided in the vacuum suction vehicle according to the present invention has the following effects.

First, by providing a vacuum pump connected to the power take-off device for converting the engine driving force of the vacuum suction vehicle, it is possible to simplify the internal structure of the vacuum suction vehicle,

Second, by removing the rotating sleeve provided to facilitate the rotation of the rotor inside the pump body, the inner area of the pump body is enlarged can significantly improve the efficiency of the pump,

Third, by forming the suction groove and the discharge groove formed with a rectangular groove along the inner circumferential surface of the pump body, it is possible to improve the efficiency of the pump by increasing the amount of air sucked into and discharged into the pump body,

Fourth, the length of the suction groove portion is formed to 1L, and the length of the discharge groove portion is formed to 1.1L larger than the length of the suction groove portion, the area where the air is sucked is formed smaller than the discharge area to increase the pressure to suck the air There is an effect that can improve the efficiency of the vacuum pump.

1 is a front view showing a vacuum suction vehicle,
2 is an installation diagram showing a vacuum pump line of a vacuum suction vehicle according to the prior art,
3 is a partial cross-sectional view showing the internal structure of the pump according to the prior art,
4 is an installation diagram showing a vacuum pump line of a vacuum suction vehicle according to the present invention,
5 is a partial cross-sectional view showing the internal structure of the pump according to the present invention,
6 is a cross-sectional view showing the internal structure of the pump according to the present invention,
7 is an exploded view showing the discharge groove and the suction groove according to the present invention.

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

The structure of the vacuum pump provided in the vacuum suction vehicle according to the present invention is connected to the power take-off device 2 so that a vacuum is generated in the storage tank T of the vacuum suction vehicle C as shown in FIGS. 4 to 7. As the structure of the vacuum pump, the flange portion 11 is provided to be mounted to the lower portion of the vacuum suction vehicle (C), the discharge hole 12 penetrated to the outer peripheral side, and the suction hole 13 penetrated to the other outer peripheral side One pump body 10 consisting of; A rotor 20 connected to the power take-off device 2 and provided eccentrically in the pump body 10; It consists of a rotary connection portion 30 for connecting the power take-off device (2) and the rotor (20); The suction groove 13 of the pump body 10 is formed on the inner circumferential surface of the suction hole 13 side along the arc of the inner circumferential surface, and a suction groove 14 having a rectangular groove is formed, and on the inner circumferential surface of the discharge hole 12 side along the arc of the inner circumferential surface. A discharge groove 15 in which a groove is formed is formed.

On the other hand, a vacuum tube (not shown) is provided to connect the pump body 10 and the storage tank (T), a portion of the vacuum tube (not shown) is provided with a four-way valve (not shown) for determining the direction of air It is preferable to be.

In addition, one side of the storage tank (T) is preferably provided with a suction pipe (not shown) and the discharge pipe (not shown) for sucking or discharging the suction.

The length D1 of the suction groove 14 and the length D2 of the discharge groove 15 are formed in a ratio of 1: 1.1.

In addition, the rotor 20 is moved by the centrifugal force of the rotor body 21 and the rotor body 21 provided eccentrically in the center of the pump body 10 and contacts the inner circumferential surface of the pump body 10. A plurality of vane blades 22 inserted into the outer circumference of the rotor body 21 are formed.

One end of the vane blade 22 is formed with a spherical vane blade contact portion 22a to be in contact with the inner circumferential surface of the pump body 10.

Next, look at the action of the vacuum pump provided in the vacuum suction vehicle according to the present invention made of the configuration as described above.

The structure of the vacuum pump provided in the vacuum suction vehicle according to the present invention generates a vacuum in the storage tank (T) of the vacuum suction vehicle to suck the suction into the suction pipe connected to the storage tank (T). It is possible to simplify the internal structure of the vacuum suction vehicle by providing a vacuum pump 1 connected to the power take-off device 2 for converting and transmitting the engine driving force to the vacuum suction vehicle.

 That is, the power take-off device 2 which transmits the engine driving force is provided with a rotary connection part 30 such as a joint, and the rotor 20 provided inside the vacuum pump 1 on the other side of the rotary connection part 30. ) Is connected, the vacuum force is generated by the rotation of the rotor 20, and generated in the vacuum pump (1) through a vacuum tube (not shown) connected to the vacuum pump (1) and the storage tank (T) By the vacuum force it is possible to change the inside of the storage tank (T) to a vacuum state.

At this time, as shown in Figures 5 to 6, the pump body 10 of the vacuum pump 1 is formed with a suction hole 13 through which air is sucked, a vacuum tube (not shown) in the suction hole 13 Is connected to advance the air in one direction due to the rotation of the rotor 20 provided in the pump body 10 to suck the air present in the storage tank (T) to form a vacuum state do.

In addition, the pump main body 10 has a discharge hole 12 through which air is discharged, and discharges the air that proceeds in one direction from the inside of the pump main body 10 to the outside to continuously suck the air. .

At this time, the suction groove 13 is formed on the inner peripheral surface of the suction hole 13 side is formed with a suction groove 14 having a rectangular groove along the arc of the inner peripheral surface, the rectangular groove is formed along the arc of the inner peripheral surface on the discharge hole 12 side Due to the formed discharge groove 15, it is possible to increase the amount of air sucked in and discharged.

Here, as shown in FIG. 7, the length D1 of the suction groove 14 is 1L, and the length D2 of the discharge groove 15 is 1.1L larger than the length of the suction groove 14. By forming a wide area to be discharged compared to the area where the air is sucked to increase the suction pressure of the air it is possible to improve the efficiency of the pump.

And, as shown in Figure 6 the inner circumferential surface of the pump body 10 is provided in a conventional vacuum pump and the inner circumference is precisely polished in order to make the vane blades 22 of the rotor 20 in close contact with each other in detail By removing (not shown) and precisely polishing the inner circumference of the pump body 10, the internal volume of the pump body 10 is increased to improve the efficiency of the pump.

At this time, a vane blade contact portion 22a formed in a spherical shape is formed at one end of the vane blade 22 to form a bent portion of the discharge groove 15 and the suction groove 14 formed on the inner circumferential surface of the pump body 10. By the easy contact rotation, the rotor 20 with the vane blade 22 flowing up and down can be easily rotated.

It is to be understood that the present invention is not limited to the specific preferred embodiments described above and that various modifications can be made by those skilled in the art without departing from the scope of the present invention, Of course, such modifications are within the scope of the claims.

Description of the Related Art
1: vacuum pump 2: power take-off device (PTO)
10: pump body 11: flange portion
12: discharge hole 13: suction hole
14: suction groove 15: discharge groove
20: rotor 21: rotor body
22: vane blade 22a: vane blade contact
30: rotary connection C: vacuum suction vehicle
T: Storage tank P: Suction

Claims (4)

In the structure of the vacuum pump connected to the power take-off device 2 so that a vacuum is generated in the storage tank T of the vacuum suction vehicle C,
One pump consisting of a flange portion 11 provided to be mounted to the lower portion of the vacuum suction vehicle (C), a discharge hole 12 penetrated on one side of the outer circumference, and a suction hole 13 penetrated on the other side of the outer circumference A main body 10;
A rotor 20 connected to the power take-off device 2 and provided eccentrically in the pump body 10;
It consists of a rotary connection portion 30 for connecting the power take-off device 2 and the rotor 20;
An intake groove 14 having a rectangular groove is formed along the arc of the inner circumferential surface of the pump body 10 on the suction hole 13 side, and a rectangle along the arc of the inner circumference of the discharge hole 12 side. The structure of the vacuum pump provided in the vacuum suction vehicle, characterized in that the groove formed in the discharge groove portion 15 is formed. The method of claim 1,
The length (D1) of the suction groove portion 14 and the length (D2) of the discharge groove portion 15 is formed in a ratio of 1: 1.1 structure of the vacuum pump provided in the vacuum suction vehicle. The method of claim 1,
The rotor 20 is moved by the centrifugal force of the rotor body 21 and the rotor body eccentrically provided in the center of the pump body 10 and the contact so as to contact the inner peripheral surface of the pump body 10 A structure of a vacuum pump provided in a vacuum suction vehicle, characterized in that a plurality of vane blades 22 inserted into the outer circumference of the rotor body 21 are formed. The method of claim 3, wherein
One end of the vane blade 22 is a structure of a vacuum pump provided in the vacuum suction vehicle, characterized in that the spherical vane blade contact portion (22a) is formed to rotate in contact with the inner peripheral surface of the pump body (10).
KR2020120010401U 2012-11-14 2012-11-14 The structure of the vacuum pump equipped with a vacuum suction vehicles KR200470937Y1 (en)

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KR2020120010401U KR200470937Y1 (en) 2012-11-14 2012-11-14 The structure of the vacuum pump equipped with a vacuum suction vehicles

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KR2020120010401U KR200470937Y1 (en) 2012-11-14 2012-11-14 The structure of the vacuum pump equipped with a vacuum suction vehicles

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11148477A (en) * 1997-11-18 1999-06-02 Aisan Ind Co Ltd Vane type vacuum pump
JP2004332697A (en) 2003-05-12 2004-11-25 Toyoda Mach Works Ltd Vacuum pump
KR20070034090A (en) * 2004-07-09 2007-03-27 요마-하이드로메카닉 게엠베하 Single-blade vacuum pump
JP2012167589A (en) 2011-02-14 2012-09-06 Nabtesco Automotive Corp Vacuum pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11148477A (en) * 1997-11-18 1999-06-02 Aisan Ind Co Ltd Vane type vacuum pump
JP2004332697A (en) 2003-05-12 2004-11-25 Toyoda Mach Works Ltd Vacuum pump
KR20070034090A (en) * 2004-07-09 2007-03-27 요마-하이드로메카닉 게엠베하 Single-blade vacuum pump
JP2012167589A (en) 2011-02-14 2012-09-06 Nabtesco Automotive Corp Vacuum pump

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