CN219492693U - Strong self-priming centrifugal pump - Google Patents

Abstract

The utility model discloses a strong self-priming centrifugal pump, which comprises a pump body and a motor, wherein a coupling driving mechanism is arranged on the pump body, heat dissipation mechanisms are arranged on two sides of the coupling driving mechanism, the coupling driving mechanism comprises an outer sealing cover, a coupling head is rotatably connected inside the outer sealing cover, a D-shaped groove is formed inside the coupling head, one end of the coupling head is fixedly connected with a connecting shaft, a driving transmission wheel is fixedly connected on the connecting shaft, driven transmission wheels are respectively arranged on two sides of the driving transmission wheel, a transmission belt is sleeved between the two driven transmission wheels and the driving transmission wheel, and the heat dissipation mechanism comprises two supporting frames; according to the utility model, the motor drives the coupling head to rotate through the arrangement of the coupling driving mechanism and the heat dissipation mechanism, the coupling head rotates to drive the active driving wheel to rotate, the active driving wheel rotates to drive the first rotating shaft to rotate, and the first rotating shaft rotates to drive the fan blades to rotate, so that heat dissipation effect and working stability of the motor can be improved.

Description

A strong self-priming centrifugal pump

technical field

The utility model relates to the technical field of self-priming centrifugal pumps, in particular to a strong self-priming centrifugal pump.

Background technique

Before the self-priming centrifugal pump works, the pump body and the water inlet pipe must be filled with water to form a vacuum state. When the impeller rotates rapidly, the blades make the water rotate quickly, and the rotating water flies away from the impeller under the action of centrifugal force. After the water in the pump is thrown out, the central part of the impeller forms a vacuum area, and the water in the pump is pressed into the water inlet pipe through the pipe network under the action of atmospheric pressure (or water pressure), so that the cycle is endless, and continuous pumping can be realized. .

In the prior art, the application number CN201820053704.9 discloses an improved self-priming centrifugal pump, which uses an air compressor, a jet assembly and a check valve in combination to realize the self-priming of the centrifugal pump body, wherein the jet assembly is provided with a float assembly , when the water level of the water inlet of the centrifugal pump body rises during self-priming, the floating ball rises, and then the sealing head is pushed close to the exhaust port of the suction chamber through the force transmission of the lever to automatically close the exhaust. During the process, the motor will generate a lot of heat when it works for a long time, and the heat dissipation effect is not ideal, which leads to the unsatisfactory stability of the overall work.

Utility model content

The purpose of this utility model is to provide a strong self-priming centrifugal pump to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a strong self-priming centrifugal pump, including a pump body and a motor, the pump body is provided with a coupling drive mechanism, and both sides of the coupling drive mechanism are equipped with cooling mechanism;

The shaft coupling driving mechanism includes an outer sealing cover, and a coupling head is rotatably connected inside the outer sealing cover, and a D-shaped groove is opened inside the coupling head, and a connecting shaft is fixedly connected to one end of the coupling head. A driving drive wheel is fixedly connected to the connecting shaft, driven drive wheels are respectively provided on both sides of the driving drive wheel, and a transmission belt is sleeved between the two driven drive wheels and the driving drive wheel;

The heat dissipation mechanism includes two supporting frames, and a first rotating shaft is rotatably connected inside the two supporting frames, and the end of the first rotating shaft is fixedly connected with the driven drive wheel. a first bevel gear, one side of the first bevel gear is meshed with a second bevel gear, the top of the second bevel gear is fixedly connected with a second rotating shaft, and the top of the second rotating shaft is fixedly connected with a third bevel gear, A fourth bevel gear is engaged with one side of the third bevel gear, and a plurality of fan blades are fixedly connected to the end of the fourth bevel gear.

As a further preferred embodiment of the technical solution, the outer sealing cover is fixedly installed on the pump body, and the coupling head is fixedly connected to the end of the impeller inside the pump body through a connecting shaft.

As a further preferred aspect of the technical solution, the output shaft of the motor has a D-shaped cross section, and the output shaft of the motor matches the D-shaped groove.

As a further preferred embodiment of the technical solution, the two supporting frames are arranged on both sides of the motor, and the plurality of second rotating shafts are evenly arranged on the supporting frames.

As a further preference of this technical solution, the bottom of the pump body is fixedly connected with a support upper plate, and the inside of the support upper plate is rotatably connected with a mounting screw, and the mounting screw is threaded with a mounting nut, and the top end of the mounting nut is fixed A mounting plate is connected, and the motor is detachably connected with the mounting plate.

As a further preferred solution of this technical solution, the bottom of the supporting upper plate is provided with a supporting lower plate, one end of the supporting upper plate is rotatably connected to one end of the supporting lower plate, and a leveling screw is rotatably connected inside the supporting lower plate, A leveling nut is threadedly connected to the leveling screw, a leveling block is fixedly connected to the top of the leveling nut, and a guide ramp is fixedly connected to the bottom surface of the supporting lower plate.

As a further preferred embodiment of the technical solution, the slope of the guide rail is slidably connected to the leveling block, and the leveling block is slidably connected to the supporting lower plate.

The utility model provides a strong self-priming centrifugal pump, which has the following beneficial effects:

(1) The utility model is provided with a coupling drive mechanism and a heat dissipation mechanism, the motor drives the coupling head to rotate, the rotation of the coupling head drives the driving drive wheel to rotate, the driving drive wheel rotates to drive the first rotating shaft to rotate, and the rotation of the first rotating shaft drives the fan blade Rotate to dissipate heat from the motor, thereby improving heat dissipation and working stability.

(2) The utility model sets the leveling screw and the installation screw, and drives the installation plate to move by rotating the installation screw, thereby driving the motor to move, facilitating the installation of the motor and improving the convenience of installation; driving the leveling by rotating the leveling screw The block slides on the guide inclined rail, so that the supporting upper plate can be rotated and leveled, so that the pump body and the motor are kept in a horizontal state, preventing abnormal vibration caused by tilting, and improving the protection effect on the motor and the pump body.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the connection structure between the coupling head and the fan blade of the present invention;

Fig. 3 is an enlarged view of structure at A place in Fig. 1 of the present utility model;

Fig. 4 is a schematic diagram of the connection structure between the leveling block and the guide rail of the utility model;

In the figure: 1. Pump body; 2. Motor; 3. Coupling drive mechanism; 4. Heat dissipation mechanism; 5. Coupling head; 6. Connecting shaft; 7. Driving drive wheel; 8. Driven drive wheel; 9. Transmission belt; 10, first rotating shaft; 11, support frame; 12, first bevel gear; 13, second bevel gear; 14, second rotating shaft; 15, third bevel gear; 16, fourth bevel gear; 17, fan leaf; 18, support upper plate; 19, installation plate; 20, installation screw; 21, installation nut; 22, support lower plate; 23, guide rail; 24, leveling block; 25, leveling nut; flat screw.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

The utility model provides a technical solution: as shown in Figure 1, in this embodiment, a strong self-priming centrifugal pump includes a pump body 1 and a motor 2, the pump body 1 is provided with a coupling drive mechanism 3, and the Both sides of the coupling drive mechanism 3 are equipped with heat dissipation mechanisms 4, the motor 2 can be connected with the pump body 1 and the heat dissipation mechanism 4 through the coupling drive mechanism 3, and the motor 2 is used as the driving source to drive the heat dissipation mechanism 4 to the motor 2 itself Heat dissipation can effectively improve the stability of work.

As shown in Figures 1 and 2, the shaft coupling drive mechanism 3 includes an outer sealing cover, which is fixedly mounted on the pump body 1, and a coupling head 5 is connected to the outer sealing cover in rotation, and the outer sealing cover A D-shaped groove is provided inside the coupling head 5, and the cross-sectional shape of the output shaft of the motor 2 is set to a D shape, and the output shaft of the motor 2 matches the D-shaped groove, so that the motor 2 can drive the coupling head 5 to rotate , using the motor 2 as the driving source, one end of the coupling head 5 is fixedly connected to the connecting shaft 6, and the coupling head 5 is fixedly connected to the end of the impeller inside the pump body 1 through the connecting shaft 6, so that the motor 2 can Drive the pump body 1 to work, the connecting shaft 6 is fixedly connected with the driving transmission wheel 7, the two sides of the driving transmission wheel 7 are respectively provided with driven transmission wheels 8, and the two driven transmission wheels 8 are connected with the driving transmission wheel. A drive belt 9 is sleeved between the wheels 7, so that the motor 2 can drive the coupling head 5 to rotate, the coupling head 5 rotates to drive the connecting shaft 6 to rotate, the connecting shaft 6 rotates to drive the driving drive wheel 7 to rotate, and the driving drive wheel 7 rotates to drive The transmission belt 9 rotates, and the rotation of the transmission belt 9 drives the driven transmission wheel 8 to rotate, thereby being able to drive the cooling mechanism 4 to work and dissipate heat.

As shown in Figures 1 and 2, the heat dissipation mechanism 4 includes two support frames 11, the two support frames 11 are arranged on both sides of the motor 2, and the two support frames 11 are rotatably connected with a first The rotating shaft 10, the end of the first rotating shaft 10 is fixedly connected with the driven transmission wheel 8, the first rotating shaft 10 is fixedly connected with a plurality of first bevel gears 12, and one side of the first bevel gears 12 is meshingly connected with The second bevel gear 13, the top of the second bevel gear 13 is fixedly connected with the second rotating shaft 14, and a plurality of the second rotating shafts 14 are evenly arranged on the support frame 11, so that the motor 2 can be evenly dissipated heat, and the heat dissipation can be improved Effect, the top of the second rotating shaft 14 is fixedly connected with the third bevel gear 15, one side of the third bevel gear 15 is meshed with the fourth bevel gear 16, and the end of the fourth bevel gear 16 is fixedly connected with a plurality of The fan blade 17 can drive the first shaft 10 to rotate through the rotation of the driven transmission wheel 8, the rotation of the first shaft 10 drives the rotation of the first bevel gear 12, the rotation of the first bevel gear 12 drives the rotation of the second bevel gear 13, and the rotation of the second bevel gear The rotation of 13 drives the second shaft 14 to rotate, the rotation of the second shaft 14 drives the rotation of the third bevel gear 15, the rotation of the third bevel gear 15 drives the rotation of the fourth bevel gear 16, the rotation of the fourth bevel gear 16 drives the rotation of the fan blade 17, and the motor 2 to dissipate heat, so as to improve heat dissipation effect and work stability.

As shown in Figures 1 and 3, the bottom of the pump body 1 is fixedly connected with a support upper plate 18, and the inside of the support upper plate 18 is rotatably connected with a mounting screw 20, and the mounting screw 20 is threaded with a mounting nut 21, The top of the mounting nut 21 is fixedly connected with a mounting plate 19, and the motor 2 is detachably connected to the mounting plate 19. The mounting screw 20 can be rotated to drive the mounting nut 21 to move, and the mounting nut 21 moves to drive the mounting plate 19. Move, so as to drive the motor 2 to move, facilitate the installation of the motor 2, and improve the convenience of installation.

As shown in Figures 1 and 4, the bottom of the supporting upper plate 18 is provided with a supporting lower plate 22, one end of the supporting upper plate 18 is rotatably connected to one end of the supporting lower plate 22, and the internal rotatable connection of the supporting lower plate 22 There is a leveling screw 26, and a leveling nut 25 is threadedly connected to the leveling screw 26, a leveling block 24 is fixedly connected to the top of the leveling nut 25, and a guide rail is fixedly connected to the bottom surface of the support lower plate 22 23. The slope of the guide rail 23 is slidably connected with the leveling block 24, and the leveling block 24 is slidably connected with the support lower plate 22, and the leveling nut 25 can be adjusted by rotating the leveling screw 26 and the leveling screw 26 Moving, the leveling nut 25 moves to drive the leveling block 24 to slide on the guide rail 23, so that the support upper plate 18 can be rotated and leveled, so that the pump body 1 and the motor 2 remain in a horizontal state, preventing abnormal vibration caused by tilting, and improving Protective effect on motor 2 and pump body 1.

The utility model provides a strong self-priming centrifugal pump, the specific working principle is as follows:

When the utility model is actually used, the motor 2 drives the coupling head 5 to rotate, the coupling head 5 rotates to drive the connecting shaft 6 to rotate, the connecting shaft 6 rotates to drive the driving drive wheel 7 to rotate, the driving drive wheel 7 rotates to drive the transmission belt 9 to rotate, and the transmission belt The rotation of 9 drives the driven transmission wheel 8 to rotate, the rotation of the driven transmission wheel 8 drives the first rotating shaft 10 to rotate, the rotation of the first rotating shaft 10 drives the rotation of the first bevel gear 12, the rotation of the first bevel gear 12 drives the rotation of the second bevel gear 13, The rotation of the second bevel gear 13 drives the rotation of the second shaft 14, the rotation of the second shaft 14 drives the rotation of the third bevel gear 15, the rotation of the third bevel gear 15 drives the rotation of the fourth bevel gear 16, and the rotation of the fourth bevel gear 16 drives the fan blade 17 Rotate to dissipate heat from the motor 2, thereby improving heat dissipation effect and working stability.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. A strong self-priming centrifugal pump, including a pump body (1) and a motor (2), characterized in that: the pump body (1) is provided with a coupling drive mechanism (3), and the coupling drive mechanism (3) Heat dissipation mechanisms (4) are provided on both sides; The shaft coupling driving mechanism (3) includes an outer sealing cover, and a coupling head (5) is rotationally connected inside the outer sealing cover, and a D-shaped groove is opened inside the coupling head (5). (5) A connecting shaft (6) is fixedly connected to one end, and a driving transmission wheel (7) is fixedly connected to the connecting shaft (6), and driven driving wheels (8) are respectively arranged on both sides of the driving driving wheel (7) ), a transmission belt (9) is sleeved between the two driven transmission wheels (8) and the driving transmission wheel (7); The heat dissipation mechanism (4) includes two support frames (11), and a first rotating shaft (10) is rotatably connected inside the two support frames (11), and the end of the first rotating shaft (10) is connected with the driven The transmission wheel (8) is fixedly connected, the first rotating shaft (10) is fixedly connected with a plurality of first bevel gears (12), and one side of the first bevel gear (12) is meshed with a second bevel gear (13 ), the top of the second bevel gear (13) is fixedly connected with the second rotating shaft (14), the top of the second rotating shaft (14) is fixedly connected with the third bevel gear (15), and the third bevel gear (15) ) one side is engaged with a fourth bevel gear (16), and the end of the fourth bevel gear (16) is fixedly connected with a plurality of fan blades (17); The bottom of the pump body (1) is fixedly connected with a support upper plate (18), and the inside of the support upper plate (18) is rotatably connected with a mounting screw (20), and the mounting screw (20) is threaded with a mounting nut ( 21), the top of the mounting nut (21) is fixedly connected to the mounting plate (19), and the motor (2) is detachably connected to the mounting plate (19); The bottom of the support upper plate (18) is provided with a support lower plate (22), one end of the support upper plate (18) is rotatably connected to one end of the support lower plate (22), and the support lower plate (22) rotates internally A leveling screw (26) is connected, and a leveling nut (25) is threaded on the leveling screw (26), and a leveling block (24) is fixedly connected to the top of the leveling nut (25). The bottom surface of the lower plate (22) is fixedly connected with a guide ramp (23), the slope of the guide ramp (23) is slidingly connected with the leveling block (24), and the leveling block (24) is connected with the supporting lower plate ( 22) Swipe to connect. 2. A strong self-priming centrifugal pump according to claim 1, characterized in that: the outer sealing cover is fixedly installed on the pump body (1), and the coupling head (5) passes through the connecting shaft (6 ) is fixedly connected to the end of the impeller inside the pump body (1). 3. A strong self-priming centrifugal pump according to claim 1, characterized in that: the cross-sectional shape of the output shaft of the motor (2) is D-shaped, and the output shaft of the motor (2) and the D-shaped groove match. 4. A strong self-priming centrifugal pump according to claim 1, characterized in that: two said support frames (11) are arranged on both sides of the motor (2), and a plurality of said second rotating shafts (14 ) are uniformly arranged on the support frame (11).