CN213176080U

CN213176080U - Shaft seal-free self-priming magnetic pump

Info

Publication number: CN213176080U
Application number: CN202022016248.0U
Authority: CN
Inventors: 胡辉; 徐华茂; 吴朝标; 李伟忠; 吴仲翔
Original assignee: Zhejiang Emida Pumps Co ltd
Current assignee: Zhejiang Emida Pumps Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-05-11
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a shaftseal-free self-priming magnetic drive pump, including the base, fixedly connected with actuating mechanism on the upper surface of base, actuating mechanism's one end fixedly connected with mechanism that absorbs water, actuating mechanism include the fixed block, fixed block fixed connection is on the upper surface of base, the fixed section of thick bamboo of upper end fixedly connected with of fixed block, fixedly connected with motor on one side lateral wall of fixed section of thick bamboo, the output fixedly connected with drive shaft of motor, the utility model discloses the beneficial effect who reaches is: the ball and the outer magnet contact are promoted through the spring that sets up, the reaction force of spring promotes the sleeve and is close to the impeller, the sleeve promotes the rotor and is close to the impeller, the rotor promotes the pivot and is close to the impeller, the pivot promotes conical ring with the conical surface in close contact with of conical surface and taper groove, and then prevent that liquid from the inside emergence of solid fixed ring from leaking, the pump case outer wall that makes need not the bearing seal and seal, prevent that the bearing seal from causing the influence to the transmission effect of pivot.

Description

Shaft seal-free self-priming magnetic pump

Technical Field

The utility model relates to a magnetic drive pump especially relates to a shaftseal-free self-priming magnetic drive pump, belongs to magnetic drive pump technical field.

Background

The magnetic drive device of the magnetic pump consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic isolation sleeve, when the motor drives the outer magnetic rotor to rotate through a coupler, magnetic field can penetrate through an air gap and the non-magnetic isolation sleeve to drive the inner magnetic rotor connected with an impeller to synchronously rotate, and non-contact synchronous transmission of power is realized.

The junction of drive shaft and pump case of current magnetic drive pump need block up the gap of pump case through the bearing seal, prevents through the bearing seal that the liquid in the pump case from taking place to reveal, but the existence of bearing seal can lead to the pivot to take place the friction with the bearing seal when rotating, and then leads to the transmission effect of pivot to receive the influence.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the drive shaft of the magnetic drive pump that exists among the prior art and the junction of pump case and need plug up the gap of pump case through the bearing seal, prevent through the bearing seal that the liquid in the pump case from taking place to reveal, but the existence of bearing seal can lead to the pivot to take place the friction with the bearing seal when rotating, and then leads to the transmission effect of pivot to receive the shortcoming of shadow, and the no bearing seal who provides is from inhaling the magnetic drive pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the shaft seal-free self-priming magnetic pump comprises a base, wherein a driving mechanism is fixedly connected to the upper surface of the base, and a water absorbing mechanism is fixedly connected to one end of the driving mechanism.

Preferably, the driving mechanism comprises a fixed block fixedly connected to the upper surface of the base, the upper end of the fixed block is fixedly connected with a fixed cylinder, the side wall of one side of the fixed cylinder is fixedly connected with a motor, the output end of the motor is fixedly connected with a driving shaft, the other end of the driving shaft extends into the fixed cylinder and is fixedly connected with an outer magnet, a rotor is movably sleeved in the outer magnet, a sleeve is fixedly connected at the center of one end of the rotor positioned in the outer magnet, a spring is clamped in the sleeve, a ball is clamped at the other end of the spring, the ball is clamped in the sleeve, the center of the other end of the rotor is fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly sleeved with a conical ring, the conical ring is clamped inside the conical groove, the conical groove is formed in the inner wall of the fixing ring, and the fixing ring is fixedly sleeved on the inner wall of the fixing barrel.

Preferably, the water absorption mechanism comprises a pump shell, the pump shell is fixedly connected to one end, away from the motor, of the fixed cylinder, a round hole is formed in the surface of the pump shell, a rotating shaft is inserted into the round hole, the rotating shaft is located at one end, inside the pump shell, of the impeller, a baffle is fixedly connected to the inner wall of the upper end of the pump shell, a water inlet pipe is fixedly communicated with the outer wall of one side of the pump shell, and a water discharge pipe is fixedly communicated with the outer wall of the upper end of the pump shell.

Preferably, the spherical ball is arranged in contact with the inner side wall of the outer magnet.

Preferably, the conical surface of the conical ring is tightly attached to the conical surface of the conical groove.

Preferably, the drive shaft and the rotating shaft are located on the same line.

The utility model provides a no bearing seal is from inhaling magnetic drive pump, beneficial effect lies in: the ball and the outer magnet contact are promoted through the spring that sets up, the reaction force of spring promotes the sleeve and is close to the impeller, the sleeve promotes the rotor and is close to the impeller, the rotor promotes the pivot and is close to the impeller, the pivot promotes conical ring with the conical surface in close contact with of conical surface and taper groove, and then prevent that liquid from the inside emergence of solid fixed ring from leaking, the pump case outer wall that makes need not the bearing seal and seal, prevent that the bearing seal from causing the influence to the transmission effect of pivot.

Drawings

Fig. 1 is a schematic structural view of a shaft seal-free self-priming magnetic pump according to the present invention;

fig. 2 is a schematic side view of a driving mechanism of a self-priming magnetic pump without a shaft seal according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 of a shaft seal-free self-priming magnetic pump according to the present invention;

fig. 4 is a schematic view of a cone ring structure of a shaft seal-free self-priming magnetic pump according to the present invention;

fig. 5 is a schematic side view of the fixing ring of the shaft seal-free self-priming magnetic pump according to the present invention.

In the figure: 1. a base; 2. a drive mechanism; 21. a fixed block; 22. a fixed cylinder; 23. a motor; 24. a drive shaft; 25. an outer magnet; 26. a rotor; 27. a sleeve; 28. a spring; 29. a ball; 210. a rotating shaft; 211. a conical ring; 212. a conical groove; 213. a fixing ring; 3. a water absorbing mechanism; 31. a pump housing; 32. a circular hole; 33. an impeller; 34. a baffle plate; 35. a water inlet pipe; 36. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a shaft seal-free self-priming magnetic pump comprises a base 1, wherein a driving mechanism 2 is fixedly connected to the upper surface of the base 1, and a water absorbing mechanism 3 is fixedly connected to one end of the driving mechanism 2.

Actuating mechanism 2 includes fixed block 21, fixed block 21 fixed connection is on the upper surface of base 1, the fixed section of thick bamboo 22 of upper end fixedly connected with of fixed block 21, fixedly connected with motor 23 on one side lateral wall of fixed section of thick bamboo 22, the output fixedly connected with drive shaft 24 of motor 23, the other end of drive shaft 24 extends to the inside fixedly connected with outer magnet 25 of fixed section of thick bamboo 22, rotor 26 has been cup jointed in the inside activity of outer magnet 25, rotor 26 is located the inside one end center department fixedly connected with sleeve 27 of outer magnet 25, the inside joint of sleeve 27 has spring 28, the other end joint of spring 28 has ball 29, ball 29 joint is inside sleeve 27, the other end center department fixedly connected with pivot 210 of rotor 26, pivot 210's fixed cover has connect conical ring 211 on the surface, conical ring 211 joint is inside conical groove 212, conical groove 212 sets up on the inner wall of solid fixed ring 213, gu fixed ring 213 fixes and cup joints on the inner wall of.

Water absorption mechanism 3 includes pump case 31, the one end of motor 23 is kept away from at fixed section of thick bamboo 22 to 31 fixed connection of pump case, round hole 32 has been seted up on the surface of pump case 31, the inside grafting of round hole 32 has pivot 210, pivot 210 is located the inside one end fixedly connected with impeller 33 of pump case 31, fixedly connected with baffle 34 on the upper end inner wall of pump case 31, fixed intercommunication has inlet tube 35 on the outer wall of one side of pump case 31, fixed intercommunication has drain pipe 36 on the upper end outer wall of pump case 31.

The spherical ball 29 is disposed in contact with the inner sidewall of the outer magnet 25.

The conical surface of the conical ring 211 is tightly attached to the conical surface of the conical groove 212.

Drive shaft 24 is aligned with shaft 210.

The working principle is as follows: when the centrifugal pump is used, the driving shaft 24 is driven to rotate by the arranged motor 23, the driving shaft 24 drives the outer magnet 25 to rotate when rotating, the magnetic field penetrates through an air gap to drive the rotor 26 to synchronously rotate when the outer magnet 25 rotates, the rotor 26 drives the impeller 33 to rotate, the impeller 33 is further driven to drive the liquid in the pump shell 31 to be discharged from the water discharge pipe 36, meanwhile, the ball 29 is driven to be in contact with the outer magnet 25 by the spring 28, the sleeve 27 is driven to be close to the impeller 33 by the reaction force of the spring 28, the sleeve 27 drives the rotor 26 to be close to the impeller 33, the rotor 26 drives the rotating shaft 210 to be close to the impeller 33, the rotating shaft 210 drives the conical surface of the conical ring 211 and the conical surface of the conical groove 212 to be in close contact, further, the liquid is prevented from leaking from the inside of the.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A shaft seal-free self-priming magnetic pump is characterized by comprising a base (1), wherein a driving mechanism (2) is fixedly connected to the upper surface of the base (1), and a water absorbing mechanism (3) is fixedly connected to one end of the driving mechanism (2);

the driving mechanism (2) comprises a fixing block (21), the fixing block (21) is fixedly connected to the upper surface of the base (1), a fixing barrel (22) is fixedly connected to the upper end of the fixing block (21), a motor (23) is fixedly connected to the side wall of one side of the fixing barrel (22), a driving shaft (24) is fixedly connected to the output end of the motor (23), the other end of the driving shaft (24) extends to the inside of the fixing barrel (22) and is fixedly connected with an outer magnet (25), a rotor (26) is movably sleeved inside the outer magnet (25), a sleeve (27) is fixedly connected to the center of one end of the rotor (26) located inside the outer magnet (25), a spring (28) is clamped inside the sleeve (27), a round ball (29) is clamped to the other end of the spring (28), and the round ball (29) is clamped inside the sleeve (27), the center of the other end of the rotor (26) is fixedly connected with a rotating shaft (210), a conical ring (211) is fixedly sleeved on the surface of the rotating shaft (210), the conical ring (211) is clamped inside a conical groove (212), the conical groove (212) is arranged on the inner wall of a fixing ring (213), and the fixing ring (213) is fixedly sleeved on the inner wall of a fixing barrel (22);

the water sucking mechanism (3) comprises a pump shell (31), the pump shell (31) is fixedly connected to one end, away from a motor (23), of a fixed cylinder (22), a round hole (32) is formed in the surface of the pump shell (31), a rotating shaft (210) is inserted into the round hole (32), the rotating shaft (210) is located at one end, inside the pump shell (31), of a fixedly connected impeller (33), a baffle (34) is fixedly connected to the inner wall of the upper end of the pump shell (31), a water inlet pipe (35) is fixedly communicated to the outer wall of one side of the pump shell (31), and a water outlet pipe (36) is fixedly communicated to the outer wall of the upper end of the pump shell (31).

2. Shaft seal-free self-priming magnetic pump according to claim 1, characterized in that the ball (29) is arranged in contact with the inner side wall of the outer magnet (25).

3. The shaft seal-free self-priming magnetic pump according to claim 1, wherein the conical surface of the conical ring (211) is in close contact with the conical surface of the conical groove (212).

4. The shaft seal-free self-priming magnetic pump according to claim 1, wherein the drive shaft (24) is aligned with the shaft (210).