CN216278115U - Brush motor-driven miniature cooling water pump - Google Patents

Abstract

The utility model discloses a brush motor driving type micro cooling water pump, which comprises a carbon brush frame, magnetic steel, a waterproof chamber, a pump cover, a connecting pin, a fastening screw and a magnet, wherein the carbon brush frame is riveted with a motor shell, an O-shaped ring is arranged at the joint of the carbon brush frame and the motor shell, a W-shaped magnetic shoe buckle is sleeved and fixed inside the motor shell, a magnetic shoe is fixedly connected with the W-shaped magnetic shoe buckle, the magnetic shoe is matched and connected with a motor rotor, the motor rotor is fixedly connected on an output shaft, one end of the output shaft is sleeved and fixed inside a bearing, and the bearing is sleeved and fixed at the center of the carbon brush frame. The service life of the water pump is prolonged, and the stability of the use performance of the brushed electronic water pump is improved.

Description

Brush motor-driven miniature cooling water pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a brush motor driven type micro cooling water pump.

Background

The water pump for the automobile is widely used in the automobile industry, and the automobile can be well served due to multiple functions of the water pump. The automotive electronic water pump with water brushing is controlled by an engine control unit through current, is not influenced by the rotating speed of the engine at that time, and can flexibly work according to the actual cooling requirement of the engine. The powerful circulating cooling function of the automobile cooling device is favored by vast automobile users.

The brush electronic water pump is driven by a traditional direct current motor, and the traditional direct current motor adopts brushes to commutate mechanically, so that relative mechanical friction exists, and the defects of great noise, spark, radio interference, short service life and the like are generated, meanwhile, parts are extremely easy to damage, and the factors of various parts, high production cost, difficult maintenance and the like greatly limit the application range of the brush electronic water pump.

In light of the above, it is necessary to design a micro cooling water pump driven by a brush motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a brush motor driven type micro cooling water pump to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: a brush motor driving type micro cooling water pump comprises a carbon brush frame, magnetic steel, a waterproof chamber, a pump cover, a connecting pin, a fastening screw and a magnet, wherein the carbon brush frame is riveted with a motor shell, an O-shaped ring is arranged at the joint of the carbon brush frame and the motor shell, a W-shaped magnetic shoe buckle is fixedly sleeved inside the motor shell, a magnetic shoe is fixedly connected with the W-shaped magnetic shoe buckle, the magnetic shoe is matched and connected with a motor rotor, the motor rotor is fixedly connected onto an output shaft, one end of the output shaft is fixedly sleeved inside a bearing, the bearing is fixedly sleeved at the center of the carbon brush frame, a pressure riveting type sealing gasket is riveted at the bottom of the carbon brush frame, the pressure riveting type sealing gasket corresponds to one end of the output shaft, one end of the motor shell is connected with a riveting shell, a bearing ring and a second sealing ring are arranged at the joint of the shell and the motor shell, and a riveting platform is arranged at the joint of the shell and the motor shell, and the motor casing is provided with a clearance groove corresponding to the pressure-bearing ring, the other end of the output shaft is fixedly sleeved with magnetic steel, the magnetic steel is positioned in the casing, and a bearing is arranged at the joint of the casing and the output shaft.

Furthermore, the shell is fixedly connected with the waterproof chamber and the pump cover through fastening screws respectively, the waterproof chamber is located between the pump cover and the shell, and a first sealing ring is arranged at the joint of the waterproof chamber and the pump cover.

Furthermore, a rotating shaft is fixedly connected to the waterproof chamber, and one end of the rotating shaft is fixed to the pump cover through a connecting pin.

Furthermore, the rotating shaft is rotatably connected with a magnet, and the magnet corresponds to the magnetic steel.

Further, the outside of magnet is even is provided with the blade, and has seted up water inlet and delivery port on the pump cover respectively, and the pump cover is inside to be tripod bullet nose structure.

Compared with the prior art, the utility model has the following beneficial effects: the utility model controls the motor to run through the direct current voltage, when the magnetic rotor assembly rotates due to the reinforced structure, the friction between the parts is small, the running is stable, the noise is small, the vibration is small, the damage probability of the parts is reduced, the cost is reduced, and the service life of the water pump is prolonged; the interior of the pump cover is of a tripod bullet head structure, so that liquid entering the water pump is effectively and uniformly distributed, the flow speed is improved, and the flow performance of the water pump is improved; the W-shaped magnetic shoe buckle arranged in the device is convenient and quick to install, has a good magnetic shoe fastening effect, and lays a stable foundation for subsequent assembly; the pressure riveting type sealing gasket arranged in the device is low in cost, convenient to install and firm in sealing, effectively prevents external sundries from entering, and ensures the safety of the water pump.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Fig. 1 is a front sectional view of the overall structure of the present invention.

Fig. 2 is a front cross-sectional view of a pump cap in the present invention.

FIG. 3 is a front sectional view of a carbon brush holder according to the present invention.

Fig. 4 is a front sectional view of a second seal ring in the present invention.

In the figure: 1. a carbon brush holder; 2. a press-riveting type sealing gasket; 3. an O-shaped ring; 4. a magnetic shoe; 5. a motor housing; 6. a pressure-bearing ring; 7. riveting a platform; 8. a housing; 9. magnetic steel; 10. a waterproof chamber; 11. a first seal ring; 12. a water inlet; 13. a water outlet; 14. a pump cover; 15. a connecting pin; 16. fastening screws; 17. a blade; 18. a rotating shaft; 19. a magnet; 20. an empty avoiding groove; 21. a second seal ring; 22. a W-shaped magnetic shoe buckle; 23. a motor rotor; 24. and an output shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a brush motor driving type micro cooling water pump comprises a carbon brush frame 1, a pressure riveting type sealing gasket 2, an O-shaped ring 3, a magnetic shoe 4, a motor shell 5, a pressure bearing ring 6, a riveting platform 7, a shell 8, magnetic steel 9, a waterproof chamber 10, a first sealing ring 11, a water inlet 12, a water outlet 13, a pump cover 14, a connecting pin 15, a fastening screw 16, a blade 17, a rotating shaft 18, a magnet 19, a clearance groove 20, a second sealing ring 21, a W-shaped magnetic shoe buckle 22, a motor rotor 23 and an output shaft 24, wherein the motor shell 5 is riveted on the carbon brush frame 1, the O-shaped ring 3 is arranged at the joint of the carbon brush frame 1 and the motor shell 5, the W-shaped magnetic shoe buckle 22 is fixedly sleeved inside the motor shell 5, the W-shaped magnetic shoe buckle 22 is arranged, the W-shaped magnetic shoe buckle 22 is convenient and quick to install, the effect of fastening the magnetic shoe 4 is good, a stable foundation is laid for subsequent assembly, the W-shaped magnetic shoe buckle 22 is fixedly connected with the magnetic shoe 4, the motor rotor 23 is connected with the magnetic ring in a matching manner, the motor rotor 23 is fixedly connected to the output shaft 24, one end of the output shaft 24 is fixedly sleeved inside a bearing, the bearing is fixedly sleeved at the center of the carbon brush holder 1, meanwhile, the bottom of the carbon brush holder 1 is riveted with the pressure riveting type sealing gasket 2, the arranged pressure riveting type sealing gasket 2 is low in cost, convenient to install and firm in sealing, the pressure riveting type sealing gasket 2 corresponds to one end of the output shaft 24, one end of the motor shell 5 is riveted with the shell 8, the joint of the shell 8 and the motor shell 5 is provided with the bearing ring 6 and the second sealing ring 21, the joint of the motor shell 5 and the shell 8 is provided with the riveting platform 7, the motor shell 5 is provided with the clearance groove 20 corresponding to the bearing ring 6, the other end of the output shaft 24 is fixedly sleeved with the magnetic steel 9, the magnetic steel 9 is positioned inside the shell 8, the joint of the shell 8 and the output shaft 24 is provided with the bearing, the shell 8 is fixedly connected with the waterproof chamber 10 and the pump cover 14 through the fastening screw 16 respectively, the waterproof chamber 10 is positioned between the pump cover 14 and the shell body 8, the joint of the waterproof chamber 10 and the pump cover 14 is provided with the first sealing ring 11, the waterproof effect of the device is effectively improved by utilizing the arranged first sealing ring 11, the waterproof chamber 10 is fixedly connected with the rotating shaft 18, one end of the rotating shaft 18 is fixed on the pump cover 14 through the connecting pin 15, the rotating shaft 18 is rotatably connected with the magnet 19, and the magnet 19 corresponds to the magnetic steel 9, the rotation of the magnetic steel 9 is beneficial to driving the magnet 19 to rotate, the blades 17 are uniformly arranged outside the magnet 19, the water inlet 12 and the water outlet 13 are respectively formed in the pump cover 14, the interior of the pump cover 14 is of a tripod bullet structure, and the tripod bullet structure in the interior of the pump cover 14 is utilized, so that liquid entering the water pump can be effectively and uniformly distributed, the flow speed is improved, and the flow performance of the water pump is improved; when using the device, the work through magnetic shoe 4 and W type magnetic shoe buckle 22 drives the rotation of electric motor rotor 23, because electric motor rotor 23 cup joints and fixes on output shaft 24, and then utilize the rotation of electric motor rotor 23 to drive the rotation of output shaft 24, and fixedly connected with magnet steel 9 on the output shaft 24, thereby drive the rotation of magnet steel 9, because magnet steel 9 is connected with 19 cooperations of magnet, and then drive the rotation of magnet 19 through the effect of magnetic force, because be provided with blade 17 on the magnet 19, and then drive the rotation of blade 17, when blade 17 is at the pivoted in-process, thereby make the cooling water get into from water inlet 12, can from the blowout of delivery port 13 department.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a there is miniature cooling water pump of brush motor drive formula, includes carbon brush frame (1), magnet steel (9), waterproof room (10), pump cover (14), connecting pin (15), fastening screw (16) and magnet (19), its characterized in that: the carbon brush holder (1) is riveted with a motor shell (5), the joint of the carbon brush holder (1) and the motor shell (5) is provided with an O-shaped ring (3), the inside of the motor shell (5) is fixedly sleeved with a W-shaped magnetic shoe buckle (22), the W-shaped magnetic shoe buckle (22) is fixedly connected with a magnetic shoe (4), the magnetic shoe (4) is connected with a motor rotor (23) in a matching way, the motor rotor (23) is fixedly connected onto an output shaft (24), one end of the output shaft (24) is sleeved and fixed inside a bearing, the bearing is sleeved and fixed at the center of the carbon brush holder (1), meanwhile, the bottom of the carbon brush holder (1) is riveted with a pressure riveting type sealing gasket (2), the pressure riveting type sealing gasket (2) corresponds to one end of the output shaft (24), one end of the motor shell (5) is riveted with a shell (8), and the joint of the shell (8) and the motor shell (5) is provided with a pressure bearing ring (6) and a second sealing ring (21), the motor casing (5) is provided with riveting platform (7) with the junction of casing (8), and sets up on motor casing (5) and the clearance groove (20) that corresponds each other with bearing ring (6), and the other end of output shaft (24) cup joints and is fixed with magnet steel (9), and magnet steel (9) are located the inside of casing (8), and the junction of casing (8) and output shaft (24) is provided with the bearing.

2. The brush motor-driven micro cooling water pump according to claim 1, characterized in that: casing (8) pass through fastening screw (16) respectively with waterproof room (10) and pump cover (14) fixed connection, and waterproof room (10) are located between pump cover (14) and casing (8), and the junction of waterproof room (10) and pump cover (14) is provided with first sealing washer (11) simultaneously.

3. The brush motor-driven micro cooling water pump according to claim 1, characterized in that: a rotating shaft (18) is fixedly connected to the waterproof chamber (10), and one end of the rotating shaft (18) is fixed to the pump cover (14) through a connecting pin (15).

4. The brush motor-driven micro cooling water pump according to claim 3, characterized in that: the rotating shaft (18) is rotatably connected with a magnet (19), and the magnet (19) and the magnetic steel (9) correspond to each other.

5. The brush motor-driven micro cooling water pump according to claim 1, characterized in that: the outer portion of the magnet (19) is evenly provided with blades (17), a water inlet (12) and a water outlet (13) are formed in the pump cover (14) respectively, and a tripod bullet head structure is arranged inside the pump cover (14).

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