CN216649452U

CN216649452U - Direct-current oil pump motor based on large-torque long-working system

Info

Publication number: CN216649452U
Application number: CN202122741997.4U
Authority: CN
Inventors: 罗方圆; 包璐璐; 郑魏魏; 邵前勇; 余国富; 洪世乐; 郭康佳
Original assignee: Ningbo Xianlong Automobile Fittings Co ltd
Current assignee: Ningbo Xianlong Automobile Fittings Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-05-31
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a large-torque long-work-based direct-current oil pump motor which comprises a shell, wherein a front end cover and a rear end cover are respectively arranged at the front end and the rear end of the shell, a motor mounting plate is welded on one side end face of the shell, a rotor sleeved with a rotating shaft is arranged in the shell, a speed reducing part is arranged on one side of the rotor close to the front end cover, a through groove is formed in the middle of the front end cover, a driving shaft is arranged in the through groove, and the rotating shaft is connected with the driving shaft through the speed reducing part.

Description

Direct-current oil pump motor based on large-torque long-working system

Technical Field

The utility model relates to the technical field of motor equipment, in particular to a direct-current oil pump motor based on large-torque long-working.

Background

A dc motor is a rotating electrical machine that converts direct current into mechanical energy (a dc motor) or converts mechanical energy into direct current electrical energy (a dc generator). The motor can realize the mutual conversion of direct current electric energy and mechanical energy. The oil pump motor is a specific motor for driving the oil pump. The dc oil pump motor is a dc motor for driving the oil pump.

Because the motion that oil pump motor needs drive oil pump in use, consequently have the demand such as fast, the loading capacity is big that the oil pump motor needs its moment of torsion of improvement promptly. As in application No.: CN201920196548.6 discloses energy-conserving motor of big moment of torsion low rotational speed, including gear motor and speed reducer, the inside of speed reducer is the speed reduction inner chamber, is equipped with a plurality of gear trains in the speed reduction inner chamber, and the rotational speed of speed reducer can be reduced in the design of gear train, nevertheless makes the speed reducer size increase thereupon, comparatively occupies installation space. Therefore, the direct current oil pump motor based on large-torque long-working is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a direct current oil pump motor based on large-torque long-work, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a system direct current oil pump motor based on long work of big moment of torsion, includes the casing, both ends are equipped with front end housing and rear end cap respectively around the casing, and a side end face welding of casing has the motor mounting panel, the inside rotor that establishes the pivot that is equipped with the cover of casing, one side that the rotor is close to the front end housing is equipped with the reduction gear, the front end housing middle part has been seted up and has been run through the groove, run through the inslot and be equipped with the drive shaft, and the pivot is through reduction gear and drive shaft interconnect.

Preferably, the speed reducer is including the fixed drive gear that cup joints at the pivot outer wall, drive gear outside cover is equipped with rotates the gear circle, rotate gear circle and drive gear coaxial rotation, the standing groove has been seted up to rotation gear circle inner wall, drive gear rotates and sets up in the standing groove, the meshing is connected with the transmission gear circle of taking the internal tooth piece in the drive gear outside, the outer wall of transmission gear circle is equipped with outer tooth piece, and the transmission gear circle passes through outer tooth piece and rotation gear circle intermeshing.

Preferably, the bottom of the transmission gear ring is provided with a limiting plate, and the transmission gear ring is parallel to the rotating gear ring through the limiting plate.

Preferably, the front end cover is fixedly sleeved with a positioning sleeve in the through groove, one end of the positioning sleeve penetrating through the bottom of the front end cover is sleeved with a bearing, and the positioning sleeve is rotatably connected with the outer wall of the rotating gear ring through the bearing.

Preferably, the drive shaft is hollow, and the outer wall of the drive shaft is provided with a liquid injection groove, and the cold liquid enters the rotating gear ring from the liquid injection groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the speed reducer realizes the speed reducing effect on the driving shaft through the speed reducer, and the driving shaft and the central shaft of the rotating shaft are mutually overlapped and positioned in the same height, so that the speed reduction is ensured, the installation space of the front end cover of the motor is saved, and the body type of the motor is maintained.

2. The driving gear and the transmission gear ring are mutually meshed, and the transmission gear ring and the rotating gear ring are mutually meshed, so that the speed reduction effect of the driving shaft relative to the rotating shaft is realized, the output torque of the direct current motor is effectively improved under the condition of not changing the external structure, the size and the electricity consumption cost of the direct current motor, and the direct current motor is not limited by the size of an application mechanism.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

FIG. 4 is a schematic view of the connection between the rotating gear ring and the driving shaft;

FIG. 5 is a sectional view showing the internal structure of a rotary gear ring;

FIG. 6 is a schematic view of the reduction gear structure;

fig. 7 is a schematic structural diagram of a connection mode of a driving gear and a transmission gear ring.

In the figure: 1-a shell; 11-front end cap; 111-through slots; 12-rear end cap; 13-a motor mounting plate; 2-a rotor; 21-a rotating shaft; 3-a reduction member; 31-a drive gear; 32-a running gear ring; 33-placing a groove; 34-an inner tooth block; 35-a transmission gear ring; 36-outer tooth block; 4-a drive shaft; 41-liquid injection groove; 5-a limiting plate; 6-positioning sleeve.

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. 1-7, the present invention provides a technical solution: a direct-current oil pump motor based on large-torque long-working mode comprises a shell 1, wherein a front end cover 11 and a rear end cover 12 are arranged at the front end and the rear end of the shell 1 respectively, the side walls of the front end cover 11 and the rear end cover 12 are hollowed, so that the heat dissipation of the motor is facilitated, a motor mounting plate 13 is welded on the end face of one side of the shell 1, and the motor and a mounting surface are fixed mutually through the motor mounting plate 13;

the inside rotor 2 of establishing pivot 21 that is equipped with the cover of casing 1, the length of this rotor 2's pivot 21 is shorter than general pivot 21, and pivot 21 does not run through front end housing 11 promptly, and one side that rotor 2 is close to front end housing 11 is equipped with speed reducer 3, and front end housing 11 middle part has been seted up and has been run through groove 111, runs through and is equipped with drive shaft 4 in the groove 111, and pivot 21 passes through speed reducer 3 and drive shaft 4 interconnect.

The speed reducer 3 comprises a driving gear 31 fixedly sleeved on the outer wall of the rotating shaft 21, a rotating gear ring 32 is sleeved on the outer side of the driving gear 31, the rotating gear ring 32 and the driving gear 31 rotate coaxially, a placing groove 33 is formed in the inner wall of the rotating gear ring 32, the driving gear 31 is rotatably arranged in the placing groove 33, a transmission gear ring 35 with an inner gear block 34 is meshed and connected to the outer side of the driving gear 31, an outer gear block 36 is arranged on the outer wall of the transmission gear ring 35, and the transmission gear ring 35 is meshed with the rotating gear ring 32 through the outer gear block 36;

drive gear 31, transmission gear circle 35, rotation gear circle 32 three are located same height, three intermeshing to realize the effect of slowing down, the rotational speed of drive shaft 4 is less than drive gear 31, and rotates

gear circle

32 and 4 interconnect of drive shaft, under the prerequisite that does not change the motor size, slows down the motor, improves its moment of torsion.

Limiting plate 5 is arranged at the bottom of the rotating gear ring 32, and the transmission gear ring 35 is parallel to the rotating gear ring 32 through the limiting plate 5.

The fixed cover of fixed cover is equipped with position sleeve 6 in the groove 111 that runs through of front end housing 11, and the pot head that position sleeve 6 runs through the front end housing 11 bottom is equipped with the bearing, and position sleeve 6 passes through the bearing and is connected with the outer wall rotation of rotation gear circle 32.

Drive shaft 4 is the cavity form, and the liquid injection groove 41 has been seted up to the outer wall of drive shaft 4, and this coolant liquid is cooled down the effect to rotating gear circle 32, transmission gear circle 35 and from drive gear 31 in getting into rotating gear circle 32 by liquid injection groove 41, improves its lubricated degree, helps the life of extension motor.

It should be noted that, in this document, relational terms such as first and second, and the like are 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a system direct current oil pump motor based on long work of big moment of torsion, includes casing (1), both ends are equipped with front end housing (11) and rear end cap (12) respectively around casing (1), and a side end welding of casing (1) has motor mounting panel (13), its characterized in that: the improved motor rotor is characterized in that a rotor (2) sleeved with a rotating shaft (21) is arranged inside the shell (1), a speed reducer (3) is arranged on one side, close to the front end cover (11), of the rotor (2), a penetrating groove (111) is formed in the middle of the front end cover (11), a driving shaft (4) is arranged in the penetrating groove (111), and the rotating shaft (21) is connected with the driving shaft (4) through the speed reducer (3).

2. The large-torque long-work-based direct current oil pump motor according to claim 1, characterized in that: reduction member (3) are including fixed cover drive gear (31) of connecting at pivot (21) outer wall, drive gear (31) outside cover is equipped with rotation gear circle (32), rotation gear circle (32) and drive gear (31) coaxial rotation, standing groove (33) have been seted up to rotation gear circle (32) inner wall, drive gear (31) rotate and set up in standing groove (33), drive gear (31) outside meshing is connected with transmission gear circle (35) of taking in tooth piece (34), the outer wall of transmission gear circle (35) is equipped with outer tooth piece (36), and transmission gear circle (35) are through outer tooth piece (36) and rotation gear circle (32) intermeshing.

3. The large-torque long-work-based direct current oil pump motor according to claim 2, characterized in that: the bottom of the rotating gear ring (32) is provided with a limiting plate (5), and the transmission gear ring (35) is parallel to the rotating gear ring (32) through the limiting plate (5).

4. The large-torque long-work-based direct current oil pump motor according to claim 2, characterized in that: the fixed cover in the groove (111) that runs through of front end housing (11) is equipped with position sleeve (6), one pot head that position sleeve (6) run through front end housing (11) bottom is equipped with the bearing, and position sleeve (6) rotate with rotating gear circle (32) outer wall through the bearing and be connected.

5. The large-torque long-work-based direct current oil pump motor according to claim 1, characterized in that: the driving shaft (4) is hollow, and a liquid injection groove (41) is formed in the outer wall of the driving shaft (4).