CN218325329U - Self-heat-dissipation pipeline centrifugal pump - Google Patents

Abstract

The utility model discloses a from heat dissipation type pipe centrifugal pump belongs to centrifugal pump technical field. The centrifugal pump fan wheel comprises a motor and a centrifugal pump fan wheel shell, wherein the motor and the centrifugal pump fan wheel shell are arranged on a mounting table; the water inlet end and the water outlet end of the centrifugal pump impeller shell are both communicated with a guide pipe, the motor is sleeved with a heat conduction shell, a loop for guiding flow is formed in the heat conduction shell, and one end of each of the two guide pipes is communicated with the heat conduction shell and is positioned at the inlet end and the outlet end of the loop; the centrifugal pump impeller shell is characterized in that a feeding pipe is rotatably arranged on the water inlet end of the centrifugal pump impeller shell, and the feeding pipe is in threaded connection with a sealing plug positioned outside the centrifugal pump impeller shell. The utility model discloses can dispel the heat to the motor by oneself at the centrifugal pump when carrying out the during operation, guarantee the operating efficiency and the life-span of motor, can be to the inside descaling that carries on of centrifugal pump fan wheel shell and heat conduction shell simultaneously through adding the detergent.

Description

Self-heat-dissipation pipeline centrifugal pump

Technical Field

The utility model relates to a from heat dissipation type pipe centrifugal pump belongs to centrifugal pump technical field.

Background

Centrifugal pumps operate by centrifuging water as a result of the rotation of an impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller to be thrown into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell.

At present, the centrifugal pump is mostly through motor drive impeller pivoted, and all does not set up the heat extraction subassembly on its motor for the motor continuously generates heat, and when the motor all kept high temperature in lasting a period, can reduce its operating efficiency and life, consequently needs a from heat dissipation type pipeline centrifugal pump urgently.

Disclosure of Invention

The utility model aims to solve the technical problem that: the utility model provides a from heat dissipation type pipeline centrifugal pump, it has not set up the heat extraction subassembly on having solved the motor of current centrifugal pump for the motor lasts to generate heat, and when the motor all kept high temperature in lasting a period, can reduce its operating efficiency and life's problem.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a self-heat-dissipation pipeline centrifugal pump comprises a motor and a centrifugal pump fan wheel shell, wherein the motor and the centrifugal pump fan wheel shell are arranged on a mounting table, and the centrifugal pump fan wheel shell is connected with the output end of the motor;

the water inlet end and the water outlet end of the centrifugal pump impeller shell are both communicated with a conduit, the motor is sleeved with a heat conduction shell, a loop for guiding flow is formed in the heat conduction shell, and one end of each of the two conduits is communicated with the heat conduction shell and is positioned at the inlet end and the outlet end of the loop;

the centrifugal pump impeller shell is characterized in that a feeding pipe is rotatably arranged on the water inlet end of the centrifugal pump impeller shell, and the feeding pipe is in threaded connection with a sealing plug positioned outside the centrifugal pump impeller shell.

As a preferable example, a fixed pipe coaxial with the inlet pipe is arranged in the water inlet end of the centrifugal pump impeller shell, the fixed pipe is communicated with one end of an adjacent conduit, a round opening facing the water inlet of the centrifugal pump impeller shell is formed in the side wall of the fixed pipe, the round opening is positioned on the upper side and the lower side of the conduit, a connecting pipe is rotationally arranged in the fixed pipe, the connecting pipe is connected with the inlet pipe, and openings corresponding to the round opening and the conduit are formed in the side wall of the fixed pipe.

As a preferable example, a rotary table is fixed at one end of the feeding pipe located outside the centrifugal pump impeller shell, a clamping rod is rotated on the rotary table, a positioning block is fixed on the side wall of the clamping rod, and two clamping grooves matched with the positioning block are formed in the centrifugal pump impeller shell and used for enabling a round opening in the fixing pipe to be communicated with or staggered with an opening in the connecting pipe.

As a preferred example, the clamping rod is rotatably connected with the rotating disc through a fixed shaft.

As a preferable example, the fixing shaft is sleeved with a torsion spring, and two ends of the torsion spring are fixed with the clamping rod and the rotating disc.

As a preferred example, a plurality of heat dissipation fins are fixed to an outer wall of the heat conductive case.

As a preferable example, a sealing ring is fixedly sleeved on the sealing plug, and the sealing ring and the feeding pipe are abutted against each other.

The utility model has the advantages that: the utility model discloses can dispel the heat to the motor by oneself at the centrifugal pump when carrying out the during operation, guarantee the operating efficiency and the life-span of motor, can be to the inside descaling that carries on of centrifugal pump fan wheel shell and heat conduction shell simultaneously through adding the detergent.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the fan wheel casing, the fixing pipe and the connecting pipe of the centrifugal pump of the present invention

Fig. 3 is a schematic structural view of a portion a in fig. 2.

In the figure: 1. a motor; 2. a centrifugal pump impeller housing; 3. a conduit; 4. a thermally conductive shell; 5. an installation table; 6. a feed pipe; 7. a sealing plug; 8. fixing the tube; 9. a connecting pipe; 10. a turntable; 11. a clamping rod; 12. positioning a block; 13. a fixed shaft; 14. a torsion spring; 15. heat dissipation fins; 16. and (5) sealing rings.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in fig. 1-3, a self-heat-dissipation type pipeline centrifugal pump comprises a motor 1 and a centrifugal pump impeller shell 2 which are arranged on a mounting table 5, wherein the centrifugal pump impeller shell 2 is connected with an output end of the motor 1, and can be arranged at a designated position through the mounting table 5, so that the use stability of the centrifugal pump is ensured.

In this embodiment, the end of intaking and the play water end of centrifugal pump impeller shell 2 all communicate there is pipe 3, motor 1 overcoat is equipped with heat conduction shell 4, be formed with the return circuit that is used for the water conservancy diversion in the heat conduction shell 4, two the one end of pipe 3 all is linked together with heat conduction shell 4, and is located the entrance point and the exit end in return circuit, when the centrifugal pump carries out work, water gets into through the entrance point of centrifugal pump impeller shell 2 to discharge from the exit end, make partly water can get into in pipe 3 to flow in the return circuit in heat conduction shell 4, then discharge through another pipe 3, make it take away the heat that motor 1 produced, improve the efficiency and the life-span of motor 1 operation.

In a preferred embodiment, a plurality of heat dissipation fins 15 are fixed on the outer wall of the heat conduction shell 4, so that heat in the heat conduction shell 4 can be better taken away.

In this embodiment, the water inlet end of the centrifugal pump impeller shell 2 is rotatably provided with a feed pipe 6, the feed pipe 6 is in threaded connection with a sealing plug 7 positioned outside the centrifugal pump impeller shell 2, and by opening the sealing plug 7, a scale remover can be added into the centrifugal pump impeller shell 2 to react with the dirt in the centrifugal pump impeller shell 2 and the heat conduction shell 4, so that the purpose of descaling is achieved.

In a preferred embodiment, a sealing ring 16 is fixedly sleeved on the sealing plug 7, and the sealing ring 16 and the feeding pipe 6 are abutted against each other, so that the sealing effect of the sealing plug 7 on the feeding pipe 6 is improved.

In a specific embodiment, a fixed pipe 8 coaxial with the feed pipe 6 is arranged in the water inlet end of the centrifugal pump impeller shell 2, the fixed pipe 8 is communicated with one end of the adjacent conduit 3, a round opening facing the water inlet of the centrifugal pump impeller shell 2 is formed in the side wall of the fixed pipe 8, the round opening is positioned on the upper side and the lower side of the conduit 3, a connecting pipe 9 is rotated in the fixed pipe 8, the connecting pipe 9 is connected with the feed pipe 6, an opening corresponding to the round opening and the conduit 3 is formed in the side wall of the fixed pipe, the connecting pipe 9 can be rotated by rotating the feed pipe 6, the opening in the connecting pipe 9, the conduit 3 and the round opening are staggered with each other to form a closed space, so that the descaling agent can be added more conveniently, the water in the centrifugal pump impeller shell 2 cannot be discharged through the feed pipe 6, the connecting pipe 9 returns to the original position after the filling is completed, the round opening is communicated with the opening, and the descaling agent is guaranteed to be mixed with the water during the water discharging.

In a preferred real-time mode, inlet pipe 6 is located the outer one end of centrifugal pump impeller shell 2 is fixed with carousel 10, it has kelly 11 to rotate on the carousel 10, the lateral wall of kelly 11 is fixed with locating piece 12, centrifugal pump impeller shell 2 on seted up two with locating piece 12 assorted draw-in groove for round mouth on the fixed pipe 8 with opening on the connecting pipe 9 communicates with each other or is wrong mutually, can make locating piece 12 break away from the draw-in groove through pulling kelly 11, and then make carousel 10 and inlet pipe 6 rotate, again through with locating piece 12 block in another draw-in groove, can make the position of carousel 10 and inlet pipe 6 inject, improve the stability that inlet pipe 6 used.

In a preferred embodiment, the clamping rod 11 is rotatably connected with the rotating disc 10 through a fixed shaft 13, so as to ensure the stability of the rotation of the rotating rod 11; the fixed shaft 13 is sleeved with a torsion spring 14, two ends of the torsion spring 14 are fixed with the clamping rod 11 and the rotary table 10, and meanwhile the torsion force of the torsion spring 14 can ensure the stability of the positioning block 12 clamped in the clamping groove.

The working principle is as follows: when the centrifugal pump works, water enters through the inlet end of the centrifugal pump fan wheel shell 2 and is discharged from the outlet end, so that part of water can enter the guide pipe 3 and flow in a loop in the heat conduction shell 4, and then is discharged through the other guide pipe 3, so that heat generated by the motor 1 can be taken away, the running efficiency and the service life of the motor are improved, the positioning block 12 can be separated from the clamping groove by pulling the clamping rod 11, the rotary disc 10 and the feed pipe 6 can rotate, the feed pipe 6 rotates to link the connecting pipe 9 to rotate, the positioning block 12 is clamped in the other clamping groove, the positions of the rotary disc 10 and the feed pipe 6 can be limited, the opening on the connecting pipe 9, the guide pipe 3 and the round opening are mutually staggered to form a closed space, and then the sealing plug 7 is opened to add a descaling agent into the centrifugal pump fan wheel shell 2, dirt in the centrifugal pump fan wheel shell 2 and the heat conduction shell 4 can be reacted, and the purpose of descaling is achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a from heat dissipation type pipe centrifugal pump which characterized in that: the centrifugal pump fan wheel device comprises a motor (1) and a centrifugal pump fan wheel shell (2) which are arranged on a mounting table (5), wherein the centrifugal pump fan wheel shell (2) is connected with the output end of the motor (1);

the water inlet end and the water outlet end of the centrifugal pump impeller shell (2) are both communicated with a guide pipe (3), the motor (1) is sleeved with a heat conduction shell (4), a loop for guiding flow is formed in the heat conduction shell (4), and one end of each of the two guide pipes (3) is communicated with the heat conduction shell (4) and is positioned at the inlet end and the outlet end of the loop;

the centrifugal pump impeller shell (2) is characterized in that a feeding pipe (6) is rotatably arranged at the water inlet end of the centrifugal pump impeller shell (2), and the feeding pipe (6) is in threaded connection with a sealing plug (7) located outside the centrifugal pump impeller shell (2).

2. The self-heat-dissipating pipe centrifugal pump according to claim 1, characterized in that: the utility model discloses a centrifugal pump impeller shell, including inlet pipe (6), inlet pipe (2) and lateral wall, the end of intaking of centrifugal pump impeller shell (2) be provided with in the end with the fixed pipe (8) of inlet pipe (6) with the axle center, fixed pipe (8) are linked together with the one end of adjacent pipe (3), and the lateral wall has seted up the orientation the round mouth of centrifugal pump impeller shell (2) water inlet, the round mouth is located the upper and lower both sides setting of pipe (3), fixed pipe (8) internal rotation has connecting pipe (9), connecting pipe (9) with inlet pipe (6) are connected, and the lateral wall seted up with round mouth and pipe (3) corresponding opening.

3. The self-heat-dissipating pipe centrifugal pump according to claim 2, characterized in that: inlet pipe (6) are located the outer one end of centrifugal pump impeller shell (2) is fixed with carousel (10), it has kelly (11) to rotate on carousel (10), the lateral wall of kelly (11) is fixed with locating piece (12), centrifugal pump impeller shell (2) on seted up two with locating piece (12) assorted draw-in groove for round mouth on the fixed pipe (8) with opening on connecting pipe (9) communicates with each other or is the mistake mutually.

4. The self-heat-dissipating pipe centrifugal pump according to claim 3, characterized in that: the clamping rod (11) is rotationally connected with the rotary disc (10) through a fixed shaft (13).

5. The self-heat-dissipating pipe centrifugal pump according to claim 4, wherein: the fixed shaft (13) is sleeved with a torsion spring (14), and two ends of the torsion spring (14) are fixed with the clamping rod (11) and the rotary table (10).

6. The self-heat-dissipating pipe centrifugal pump according to claim 1, characterized in that: and a plurality of radiating fins (15) are fixed on the outer wall of the heat conducting shell (4).

7. The self-heat-dissipating pipe centrifugal pump according to claim 1, characterized in that: the sealing plug (7) is fixedly sleeved with a sealing ring (16), and the sealing ring (16) and the feeding pipe (6) are mutually abutted.

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