KR200270380Y1 - An underwater pump - Google Patents

Abstract

The present invention forms an impeller casing (3, 21) in which two impellers (5) are embedded at both ends of one motor shaft (13), and a rotary blade (41) outside the impeller casing (3, 21), which is an inlet of the pump. Rotor blade casing (37) with built-in to cut sludge or foreign matter so as not to take the load on the motor, it is installed in the lower part of the motor consisting of a rotating plate 31 that can be pumped to the desired position by rotating the motor It relates to an underwater pump.

Description

Submersible Pump {An underwater pump}

The present invention relates to a submersible pump, which will be described in detail to improve the structure and to drain the sludge contained in the water together on both sides, the lower frame formed with a rotating plate in the lower part of the motor and the impeller formed on both sides of the motor, and protects the impeller It relates to an underwater pump consisting of an impeller casing and a rotary blade casing with a rotating blade formed outside the impeller casing.

In general, the submersible pump is installed in the main body provided with a suction inlet for inhaling the fluid and an outlet for discharging the sucked fluid is applied to an external power source to suck the fluid by the rotary centrifugal force of the impeller connected to the motor and then discharge the outlet again It is configured to pump through.

The Korean Utility Model Publication No. 1999-15999 discloses the impeller structure of a submersible pump for construction, in which the structure of the impeller is improved to prevent foreign substances from interfering with the impeller.

Korean Utility Model Registration No. 20-0165275 describes an underwater pump that eliminates condensation due to external pressure or temperature changes due to pump operation, stabilizes the flow of fluid, and eliminates noise and vibration.

Publication No. 20-0159803 describes a submersible pump rotating device that can easily check the rotational direction of a pump installed during the week, which is difficult for the operator to check the rotational direction, thereby reducing the workload of the operator and improving the work efficiency. It is,

Korean Patent Publication No. 1995-0007377 has a rotating head fixedly attached to the lower end of a rotating shaft in which a rotating head mounting portion is formed so as to extend through a hole formed in a suction plate and a bottom plate of a cylindrical strainer for mining or sucking sand or gravel. Submersible pump is characterized in that it is configured as,

Publication No. 20-159806 discloses a submerged pump floating device on the water surface of a sludge bed or pit in a cooling water system so that the water pump is always floating on the water surface without being fixed to the bottom of the pit. There is a description of the submersible drainage pump for circulating through the sedimentation tank,

The conventional submersible pump is vertical and discharged to the upper part by the lower suction as domestic and foreign submersible motors up to now, the disadvantage of such submersible motors should be used in a fixed manner, according to the depth of the solid precipitated thereby There is a disadvantage that can not be operated, in particular, it can be stopped by various solids that may be on the bottom of the tank, and if it is operated, only the solids within a radius of 30㎝ can be removed, so There has been a problem that causes waste of time and manpower.

In order to solve the above problems, the present invention can be used in a variety of industries that transport and drain using livestock wastewater, wastewater, fish farms, aquaculture farms and other underwater motors in such a way as to minimize the waste of manpower and time. It is an object of the present invention to provide a submersible pump having the following configuration and operation so as not to inconvenience.

1) It consists of double-sided shaft and suction is also horizontal to vertical.

2) The discharge on both sides has the advantage that it can be changed according to the use, and the discharge can be used anywhere regardless of the depth of sludge. The discharge pipes on both sides may move up and down to widen the discharge range.

3) The submersible motor designed by configuration rotates at 360 ° and is circulated regardless of the depth of solids when it is composed of all-round or circular tanks, minimizing the phenomenon of blockage and mixing the solids and water to induce optimal pumping.

4) It is economical pump that can maximize the effect with small power, especially compared to aeration pump that requires high voltage.

6) If necessary, the assembly solid blade can be cut short and discharged.

7) The submersible motor of the present invention can remove a plurality of prefabricated nozzle discharge tubes in use and induce external discharge to the oxygen supply pipe.

1 is a detailed view of the submersible pump of the present invention

Figure 2 is a detailed view of the underwater pump impeller casing of the present invention

Figure 3 is a detailed view of the underwater pump rotary blade of the present invention

4 is a detailed operation of the submersible pump plan of the present invention

<Explanation of symbols for the main parts of the drawings>

Bush (1), lower frame (2), impeller casing (suction) (3, 21), mechanical seal casing (4), impeller (5), shaft end impeller bolt (fixed bolt) (6), mechanical seal (35) , Mechanical seal bush (8), bearing (9), bearing housing (10), housing (11), bush oilless bearing (12), shaft (13), motor stator (17), coil (18), impeller casing Intermediate moving tube 22, reverse discharge tube 23, slab ring 24, upper housing shaft 25, body fixing bolt 28, rubber ring 29, gasket 30, rotating plate 31, nug (32), rotary blade casing (37), bolt 38, fixed blade (39), motor shaft bolt cap connector 40, rotary blade (41), oilless bearing and silicon bearing (42), through hole (60) )

In order to achieve the above object, the present invention provides an impeller formed on both sides of a lower frame and a motor having a rotating plate formed under the motor, and an impeller casing for protecting the impeller, and a rotary blade casing having a rotating blade formed outside the impeller casing. It relates to an underwater pump consisting of.

The submersible pump of the present invention forms two pumps on both sides of one motor, and a rotary blade is formed at the inlet of the pump to cut sludge or foreign substances so that the load is not applied to the motor. It is a submersible pump that can be pumped to a desired position by rotating rather than stationary.

When described in detail with reference to the drawings as follows.

Figure 1 is a detailed view of the submersible pump of the present invention, Figure 2 is a detailed view of the water pump impeller casing of the present invention, Figure 3 is a rotating blade detail of the underwater pump of the present invention, Figure 4 is a plan of operation detail of the underwater pump of the present invention As shown, bush (1), lower frame (2), impeller casing (suction) (3, 21), mechanical seal casing (4), impeller (5), shaft end impeller bolt (fixed bolt) (6), mechanical Seal 35, mechanical seal bush 8, bearing 9, bearing housing 10, housing 11, bush oilless bearing 12, shaft 13, motor stator 17, coil 18 ), Intermediate assembly table (oxygen supply nozzle) 22, reverse discharge pipe 23, slab ring 24, upper housing shaft 25, body fixing bolt (28), rubber ring (29), gasket (30) ), Rotating plate (31), nug (32), rotary blade casing (37), bolt (38), fixed blade (39), motor shaft bolt cap connector (40), rotary blade (41), oilless bearing and silicon It can be seen that the bearing 42 and the through hole 60 are shown.

Looking at the structure, the impeller casing (3, 21) with two impellers (5) are formed at both ends of one motor shaft (13), and the rotary blade (41) outside the impeller casing (3, 21), the inlet of the pump. Rotor blade casing (37) with built-in to cut sludge or foreign matter so as not to take the load on the motor, it is installed in the lower part of the motor consisting of a rotating plate 31 that can be pumped to the desired position by rotating the motor The submersible pump is described in more detail as follows.

As shown in FIG. 1, a lower frame 2 having a hole formed in the center thereof, and a housing shaft 25 formed at a lower portion of the rotating plate 31 positioned at an upper portion of the lower frame 2 include the lower frame 2. It penetrates through the through hole, the upper part of the rotating plate 31 is connected to the housing 11 of the cylindrical motor, the through hole is formed in the center of both sides of the housing 11, the inside of the housing 11 of the motor A shaft 13 formed in the center, a normal motor stator 17 formed outside the center of the shaft 13, and a conventional coil 18 formed in the housing at regular intervals at the same position as the motor stator 17. )and,

The shaft 13 is installed to penetrate the central through hole formed on both sides of the housing 11, the mechanical seal (7), the mechanical seal formed between the shaft 13 through the central through hole on both sides of the housing (11) The shaft 8 is closely connected to the bush 8 and the bearing 9 so as to smoothly rotate the shaft 13, and an impeller 5 is formed at both ends of the shaft 13 by the shaft end impeller bolt 6. It is fixed, and on both sides of the housing 11, a mechanical casing 4 is attached together with the gasket 30 to protect the end of the shaft 13 exposed to the outside of the housing 11,

On the outer side of the mechanical casing (4) formed on both outer sides of the housing (11) of the submersible pump (3, 21) formed to be connected to the body fixing bolt 28 is fixed by the body fixing bolt 28 It is a structure.

Referring to Figure 2 as a side view of the impeller casing 21 as a snail shape, the through-hole 60 formed in the center of the circular casing 21 and the fallopian tube-shaped reverse discharge pipe 23 and the reverse discharge pipe 23 And an impeller casing intermediate moving tube 22 formed in a tube between the circular impeller casing 21 and

Fig. 3 shows the rotary blade 41 and the rotary blade casing 37, which are located outside the impeller casings 21 on both sides and are attached by the body fixing bolt 28, and the inside of the rotary blade casing 37. It is formed in the center is connected to the motor shaft 13, the motor shaft bolt cap connector 40 for rotating the rotary blade 41, and four blades formed on one side of the motor shaft bolt cap connector 40 and a hole in the center Formed rotary blade 41,

The motor shaft bolt cap connector 40 is attached to the bolt 38 in the through hole formed in the center of the side of the cylindrical rotary blade casing 37 and the side through hole, and formed on the outer side of the rotary blade 41. It can be seen that it consists of a fixed blade 39 formed to penetrate.

Figure 4 pumps the sludge and water through the rotary blade casing 37 and the impeller casing 21 after passing through the impeller casing 21, using a rotating plate 31 formed at the bottom of the pump Figure showing the working state of pumping while rotating the submerged motor, when passing through the rotary blade casing 37 during the inhalation of sludge or foreign matter is cut by the rotary blade 41 and the fixed blade 39, impeller (5), shaft (13) and can be pumped like pumping ordinary water without load on the motor, and unlike the conventional one, it is pumped from both sides and improved to be able to double the work of the conventional underwater pump with one underwater pump It is a pump.

The present invention as described above prevents the load of the impeller and the motor caused by the slag or other foreign substances by the rotary blade installed in front of the rotary impeller, and pumped on both sides can be pumped twice with one pump at the same time 360 If it consists of a tank in all directions or round while rotating at °, it has an economic effect of minimizing the phenomenon of clogging by mixing regardless of the depth of solids and mixing the solids and water to induce optimal pumping.

Claims (4)

In the submersible pump in which two pumps are formed on both sides of one motor, impeller casings 3 and 21 having two impellers 5 are formed at both ends of the shaft 13 penetrating one motor housing 11. In addition, the rotary blade casing 37 having the rotary blade 41 embedded therein was formed outside the impeller casing 3 and 21, which is an inlet of the pump, so that sludge or foreign substances were cut to prevent the load from being applied to the motor. Submersible pump, characterized in that consisting of a rotary plate 31 that can be pumped to the desired position by rotating the motor. The method according to claim 1, wherein the rotating plate 31 is installed on the upper portion of the lower frame 2, the housing shaft 25 formed in the lower portion of the rotating plate 31 is penetrated through the through-hole of the lower frame (2) The upper portion of the rotating plate 31 has a structure connected to the housing 11 of the cylindrical motor, The housing 11 has a through hole formed at the center of both sides thereof, a shaft 13 formed at the inner center of the housing 11, a general motor stator 17 formed outside the center of the shaft 13, and the A normal coil 18 formed in the housing 11 at regular intervals at the same position as the motor stator 17, On both sides of the housing 11, a mechanical casing 4 is attached together with the gasket 30 to protect the end of the shaft 13 exposed to the outside of the housing 11, and on both outer sides of the housing 11. The outer side of the formed mechanical casing (4) and the impeller casing (3, 21) formed to be fixed by the body fixing bolt 28, and is located on the outside of the impeller casing 21 is attached by the body fixing bolt (28) Is composed of a rotary blade casing 37 with a rotary blade 41, The shaft 13 is installed to penetrate the central through hole formed on both sides of the housing 11, the mechanical seal (7), the mechanical seal formed between the shaft 13 through the central through hole on both sides of the housing (11) The shaft 8 is closely connected to the bush 8 and the bearing 9 so as to smoothly rotate the shaft 13, and an impeller 5 is formed at both ends of the shaft 13 by the shaft end impeller bolt 6. Submersible pump, characterized in that the structure is fixed. The method of claim 1, wherein the impeller casing 21 is a snail shape, the through-hole 60 formed in the center of the casing 21 of the circular shape, the back discharge pipe 23 and the back discharge pipe 23 of the fallopian tube shape And an impeller casing intermediate moving tube (22) formed in a tube between the circular impeller casing (21) and connected to an oxygen supply pipe (33). The rotary blade casing (37) is located outside the impeller casing (21) of both sides and is attached by a body fixing bolt 28, is formed in the inner center and connected to the motor shaft (13) Motor shaft bolt cap connector 40 for rotating the rotary blade 41, four blades formed on one side of the motor shaft bolt cap connector 40 and the rotary blade 41 formed with a through-hole in the center, and the cylindrical rotary blade A hole formed at the center of the side of the casing 37 and the side hole is attached to the bolt 38, the fixing formed so that the motor shaft bolt cap connector 40 formed in the outer side of the rotary blade 41 passes through Submersible pump, characterized in that consisting of the blade (39).