Immersion type centrifugal pump

Abstract

The utility model relates to the technical field of centrifugal pumps, and discloses an immersion type centrifugal pump which comprises a filtering assembly and a centrifugal assembly installed on the right side of the filtering assembly, a power connecting assembly is installed on the right side of the centrifugal assembly, and a clamping fixing assembly is installed on the power connecting assembly. In the process that liquid enters the main shell of the centrifugal pump, large solid impurities in the liquid are filtered out through the filter pieces, and it is avoided that after the liquid enters an inner cavity of the main shell, flowing of the liquid is affected; when the motor is replaced, a third fixing screw can be screwed out, and a clamping ring is rotated by a small angle, so that the clamping positions of a first clamping column and a second clamping column with a clamping block are in a movable clamping state; therefore, the motor parts can be replaced more quickly and conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump technical field more specifically relates to a kind of immersed centrifugal pump. BACKGROUND

[0002] Immersed centrifugal pump is a kind of efficient, reliable fluid conveying equipment, is widely used in industrial production, by the high-speed rotation of impeller produces centrifugal force, liquid is thrown to periphery from center, forms the liquid ring of high-speed rotation, this design effectively improves the pressure energy and kinetic energy of liquid, to realize the efficient fluid conveying.

[0003] Current immersed centrifugal pump because of its unique submerged design, in many application scenarios, it has shown its unique advantages, but since motor drive shaft and internal centrifugal rotating blade are fixedly connected, once motor needs to be replaced when failure, the whole device must be disassembled and repaired or replaced, this process not only time-consuming and laborious, for the industrial process that needs continuous operation is particularly inconvenient.

[0004] In addition, when immersed centrifugal pump is used in the environment with poor water quality or containing more impurities, external impurities are easy to enter pump body inside along with water flow, cause blockage problem, these foreign matters include but are not limited to silt, small stone and other suspended particulate matters, etc., they can gradually accumulate around impeller or even jam between key components, seriously affect the normal working condition and efficiency of pump, for a long time, not only reduce the working efficiency of equipment, but also possibly accelerate mechanical wear and tear, shorten service life.

[0005] Therefore, in order to solve the above problems, the present application provides an immersed centrifugal pump. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an immersed centrifugal pump to solve the problems in the above background art.

[0007] The utility model provides the following technical scheme: an immersed centrifugal pump, comprising a filter assembly and a centrifugal assembly installed on the right side of the filter assembly, a power connection assembly is installed on the right side of the centrifugal assembly, and a clamping and fixing assembly is installed on the power connection assembly.

[0008] Preferably, the filter assembly comprises a first inlet pipe, a second inlet pipe, a fixed pipe, a filter sheet, a first fixing screw and a filter pipe, wherein the fixed pipe is fixedly installed on the side wall of the filter pipe, the first inlet pipe and the second inlet pipe are clamped on both sides of the fixed pipe and the filter pipe, the fixed pipe is uniformly arranged on the clamping position of the first inlet pipe and the second inlet pipe and the fixed pipe and the filter pipe, the first fixing screw is threadedly sleeved with the first inlet pipe, the second inlet pipe and the fixed pipe, and the filter sheet is fixedly installed in the filter pipe, and at this time, the filter sheet is provided with uniformly distributed filter holes so that large impurities are filtered and left in the first inlet pipe, the first fixing screw is unscrewed, and the filter pipe and the filter sheet are removed from the clamping position of the first inlet pipe and the second inlet pipe for cleaning to avoid blockage of the first inlet pipe.

[0009] Preferably, the centrifugal assembly comprises a centrifugal rotating column, a first rotating blade, a liquid blocking sheet, a main shell, a second rotating blade, a liquid outlet pipe and a rotating sheet, wherein the second inlet pipe is fixedly installed on the main shell and communicates with the inner cavity of the liquid blocking sheet, the first rotating blade and the second rotating blade are uniformly arranged on the side wall of the centrifugal rotating column, the centrifugal rotating column is fixedly installed on the right side of the rotating sheet, the liquid blocking sheet is clamped with the main shell, the liquid outlet pipe is fixedly installed on the side wall of the main shell and communicates with the inner cavity thereof, and the centrifugal rotating column is provided with a clamping groove at the clamping position of the centrifugal rotating column and the liquid blocking sheet so that the liquid blocking sheet is fixedly clamped with the main shell, and at this time, under the rotation of the first rotating blade and the second rotating blade, liquid is thrown outward by centrifugal force and flows out through the liquid outlet pipe.

[0010] Preferably, the power connection assembly comprises a first clamping column, a second clamping column, a sealing shaft, a fixing sheet, a second fixing screw, a clamping groove and a motor, wherein the left end of the first clamping column is fixedly sleeved with the rotating sheet, the first clamping column is clamped with the second clamping column, the clamping grooves are arranged on the side walls of the clamping positions of the first clamping column and the second clamping column, the sealing shaft is fixedly sleeved between the first clamping column and the main shell, the fixing sheet is fixedly sleeved with the sealing shaft, the second fixing screw is threadedly sleeved with the fixing sheet, and the transmission shaft of the motor is fixedly sleeved with the second clamping column, and at this time, the second clamping column can be rotated to drive the first clamping column and the components fixedly connected with the first clamping column to rotate, and the sealing shaft is used to avoid liquid leakage during rotation.

[0011] Preferably, the clamping and fixing assembly comprises a clamping ring, a clamping block and a third fixing screw, wherein the clamping ring is movably sleeved at the clamping position of the first clamping column and the second clamping column, the clamping blocks are uniformly arranged on the inner wall of the clamping ring, the clamping blocks are clamped with the clamping grooves arranged at the clamping positions of the first clamping column and the second clamping column, and the third fixing screw is threadedly sleeved with the clamping ring, and at this time, the third fixing screw can be unscrewed and the clamping ring can be rotated by a small angle to make the clamping positions of the first clamping column and the second clamping column with the clamping blocks in a movable clamping state.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] The filter piece is used for filtering the large solid impurities in the liquid during the process of entering the centrifugal pump main shell, so that the liquid flow is not affected after entering the inner cavity of the main shell, the first fixed screw is unscrewed after a period of use, the filter pipe and the filter piece are removed from the clamping position of the first liquid inlet pipe and the second liquid inlet pipe for cleaning to avoid the first liquid inlet pipe from being blocked, the third fixed screw is unscrewed when the motor is replaced, and the clamping ring is rotated by a small angle to make the clamping position of the first clamping column and the second clamping column and the clamping block in the active clamping state, and then the motor part is replaced, so that the motor part is replaced more quickly and conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is a whole structure partial section schematic view of the utility model.

[0016] Figure 3 It is a 2 structure schematic view of the utility model.

[0017] Figure 4 It is a 4 structure schematic view of the utility model.

[0018] Figure 5 It is a 2 structure schematic view of the utility model.

[0019] Figure 6 It is a 2 structure schematic view of the utility model.

[0020] The figure mark is: 1, filter assembly;101, first liquid inlet pipe;102, second liquid inlet pipe;103, fixed pipe;104, filter piece;105, first fixed screw;106, filter pipe;2, centrifugal assembly;201, centrifugal rotation column;202, first rotation leaf;203, liquid baffle;204, main shell;205, second rotation leaf;206, liquid outlet pipe;207, rotation piece;3, power connection assembly;301, first clamping column;302, second clamping column;303, sealing shaft;304, fixed piece;305, second fixed screw;306, clamping groove;307, motor;4, clamping fixing assembly;401, clamping ring;402, clamping block;403, third fixed screw. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be described clearly and completely in connection with the drawings in the utility model, and in addition, the forms of each structure described in the following implementation manners are only examples, and the immersed centrifugal pump involved in the utility model is not limited to each structure described in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative efforts belong to the protection range of the utility model.

[0022] With reference to Figure 1 and Figure 2 The utility model provides a kind of immersed centrifugal pump, including filter assembly 1 and the centrifugal assembly 2 of installation in filter assembly 1 right side, centrifugal assembly 2 right side is equipped with power connection component 3, and power connection component 3 is equipped with clamping fixed component 4;

[0023] With reference to Figure 2 and Figure 5 Filter assembly 1 includes first liquid inlet pipe 101, second liquid inlet pipe 102, fixed pipe 103, filter sheet 104, first fixed screw 105 and filter pipe 106, wherein fixed pipe 103 is fixedly installed on the side wall of filter pipe 106, first liquid inlet pipe 101 and second liquid inlet pipe 102 are clamped on both sides of fixed pipe 103 and filter pipe 106, fixed pipe 103 is evenly arranged in the circumferential direction at the clamping position of first liquid inlet pipe 101 and second liquid inlet pipe 102 and fixed pipe 103 and filter pipe 106, first fixed screw 105 is threadedly connected with first liquid inlet pipe 101, second liquid inlet pipe 102 and fixed pipe 103, and filter sheet 104 is fixedly installed in the inner tube of filter pipe 106, at this time, first fixed screw 105 is unscrewed, and filter pipe 106 and filter sheet 104 are removed from the clamping position of first liquid inlet pipe 101 and second liquid inlet pipe 102 for cleaning to avoid the blockage of first liquid inlet pipe 101;

[0024] With reference to Figures 1-2 and Figure 6 Centrifugal assembly 2 includes centrifugal rotating column 201, first rotating blade 202, liquid blocking sheet 203, main shell 204, second rotating blade 205, liquid outlet pipe 206 and rotating sheet 207, wherein second liquid inlet pipe 102 is fixedly installed in main shell 204 and is communicated with the inner cavity of liquid blocking sheet 203, the side wall of centrifugal rotating column 201 is installed with first rotating blade 202 and second rotating blade 205 which are evenly distributed in the circumferential direction, centrifugal rotating column 201 is fixedly installed on the right side of rotating sheet 207, liquid blocking sheet 203 is clamped with main shell 204, and liquid outlet pipe 206 is fixedly installed on the side wall of main shell 204 and is communicated with the inner cavity thereof, at this time, under the rotating action of first rotating blade 202 and second rotating blade 205, liquid is thrown outward by centrifugal force and flows out through liquid outlet pipe 206;

[0025] With reference to Figures 2-3, the power connection assembly 3 includes first clamping column 301, second clamping column 302, sealing shaft 303, fixed sheet 304, second fixed screw 305, clamping groove 306 and motor 307, wherein the left end of the first clamping column 301 is fixedly sleeved with the rotating sheet 207, the first clamping column 301 is clamped with the second clamping column 302, the sidewall of the clamping part of the first clamping column 301 and the second clamping column 302 is provided with the clamping groove 306, the sealing shaft 303 is fixedly sleeved between the first clamping column 301 and the main shell 204, the fixed sheet 304 is fixedly sleeved with the sealing shaft 303, the second fixed screw 305 is threadedly sleeved with the fixed sheet 304, and the transmission shaft of the motor 307 is fixedly sleeved with the second clamping column 302, so that the first clamping column 301 and the components fixedly connected with the first clamping column 301 can be driven to rotate by rotating the second clamping column 302, and the sealing shaft 303 is used to avoid liquid leakage during rotation;

[0026] Referring to Figure 2 and Figure 4 , the clamping and fixing assembly 4 includes a clamping ring 401, a clamping block 402 and a third fixed screw 403, wherein the clamping ring 401 is movably sleeved at the clamping part of the first clamping column 301 and the second clamping column 302, the inner wall of the clamping ring 401 is fixedly provided with the clamping block 402 which is uniformly distributed in a circle, the clamping block 402 is clamped with the clamping groove 306 provided at the clamping part of the first clamping column 301 and the second clamping column 302, and the third fixed screw 403 is threadedly sleeved with the clamping ring 401, so that the third fixed screw 403 can be unscrewed, and the clamping ring 401 is rotated by a small angle to make the clamping positions of the first clamping column 301 and the second clamping column 302 with the clamping block 402 in a movable clamping state.

[0027] The working principle of the utility model is as follows: when the centrifugal pump operates, the transmission shaft of the motor 307 drives the second clamping column 302, and drives the first clamping column 301, the rotating sheet 207 fixedly sleeved on the left side of the first clamping column 301 and the centrifugal rotating column 201 through the clamping relationship between the second clamping column 302 and the first clamping column 301, under the rotating action of the first rotating blade 202 and the second rotating blade 205, the liquid is thrown outward by centrifugal force and flows out through the liquid outlet pipe 206, the large solid impurities in the liquid are filtered out by the filter sheet 104 during the process that the liquid enters the main shell 204, so that the liquid flow in the inner cavity of the main shell 204 is not affected, after a period of use, the first fixed screw 105 is unscrewed, and the filter pipe 106 and the filter sheet 104 are removed from the clamping part of the first liquid inlet pipe 101 and the second liquid inlet pipe 102 for cleaning to avoid the blockage of the first liquid inlet pipe 101, when the motor 307 is replaced, the third fixed screw 403 can be unscrewed, and the clamping ring 401 is rotated by a small angle to make the clamping positions of the first clamping column 301 and the second clamping column 302 with the clamping block 402 in a movable clamping state, and then the same is removed and replaced.

[0028] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0029] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0030] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A submerged centrifugal pump comprising a filtering assembly (1) and a centrifugal assembly (2) mounted on the right side of the filtering assembly (1), characterized in that: The centrifugal component (2) is installed with a power connection component (3) on the right side, the power connection component (3) is installed with a clamping fixing component (4), the centrifugal component (2) includes a main shell (204) and a rotating sheet (207), the power connection component (3) includes a first clamping column (301), a second clamping column (302), a sealing shaft (303), a fixed sheet (304), a second fixed screw (305), a clamping groove (306) and a motor (307), wherein the first clamping column (301) is fixedly sleeved with the rotating sheet (207) at the left end, the first clamping column (301) is clamped with the second clamping column (302), the sidewall of the clamping part of the first clamping column (301) and the second clamping column (302) is provided with a clamping groove (306), the sealing shaft (303) is fixedly sleeved between the first clamping column (301) and the main shell (204), the fixed sheet (304) is fixedly sleeved with the sealing shaft (303), the second fixed screw (305) is threadedly sleeved with the fixed sheet (304), the motor (307) is fixedly sleeved with the second clamping column (302), the clamping fixing component (4) includes a clamping ring (401), a clamping block (402) and a third fixed screw (403), wherein the clamping ring (401) is movably sleeved at the clamping part of the first clamping column (301) and the second clamping column (302), the clamping ring (401) is fixedly installed with a plurality of clamping blocks (402) which are uniformly distributed in the circumferential direction, the clamping block (402) is clamped with the clamping groove (306) provided at the clamping part of the first clamping column (301) and the second clamping column (302), and the third fixed screw (403) is threadedly sleeved with the clamping ring (401).

2. A submerged centrifugal pump according to claim 1, characterized in that: The filter component (1) includes a first liquid inlet pipe (101), a second liquid inlet pipe (102), a fixed pipe (103), a filter sheet (104), a first fixed screw (105) and a filter pipe (106), wherein the fixed pipe (103) is fixedly installed on the sidewall of the filter pipe (106), the first liquid inlet pipe (101) and the second liquid inlet pipe (102) are clamped on both sides of the fixed pipe (103) and the filter pipe (106), the fixed pipe (103) is uniformly arranged in the circumferential direction at the clamping part of the first liquid inlet pipe (101) and the second liquid inlet pipe (102) and the fixed pipe (103) and the filter pipe (106), the first fixed screw (105) is threadedly sleeved with the first liquid inlet pipe (101), the second liquid inlet pipe (102) and the fixed pipe (103), and the filter sheet (104) is fixedly installed in the inner tube of the filter pipe (106).

3. An immersion centrifugal pump according to claim 2, characterized in that: The centrifugal assembly (2) comprises a centrifugal rotating column (201), a first rotating blade (202), a liquid blocking sheet (203), a second rotating blade (205) and a liquid outlet pipe (206), wherein the second liquid inlet pipe (102) is fixedly installed on the main shell (204) and communicates with the inner cavity of the liquid blocking sheet (203), the side wall of the centrifugal rotating column (201) is provided with the first rotating blade (202) and the second rotating blade (205) which are uniformly distributed in a circle, the centrifugal rotating column (201) is fixedly installed on the right side of the rotating sheet (207), the liquid blocking sheet (203) is clamped with the main shell (204), and the liquid outlet pipe (206) is fixedly installed on the side wall of the main shell (204) and communicates with the inner cavity thereof.

4. A submerged centrifugal pump according to claim 2, characterized in that: The filter sheet (104) is provided with uniformly distributed filter holes, so that large impurities are filtered and left in the pipe opening of the first liquid inlet pipe (101).

5. A submerged centrifugal pump according to claim 3, characterized in that: The centrifugal rotating column (201) is provided with a clamping groove at the clamping position of the liquid blocking sheet (203), so that the liquid blocking sheet (203) is fixedly clamped with the main shell (204).

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