阅读说明：本技术 一种油泵电机传动机构 (Oil pump motor transmission mechanism ) 是由 颜文波 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种油泵电机传动机构,涉及电机传动机构技术领域,包括盖体一和盖体二,所述盖体一和盖体二之间设置有从动机构和主动机构。通过输出齿轮和输入齿轮的传动比为3：1,输出齿轮的齿数为,输入齿轮的齿数为的设置,能够使得油泵电机轴的扭矩放大倍,降低油泵电机轴的转速,使得油泵电机轴的震动小,更稳定,且油泵电机轴上的输入齿轮直接参与动力输出,输出轴上的输出齿轮参与变速运动,结构简单,零部件少,传动损耗小,减少了盖体一和盖体二的体积,同时轴承一和轴承二的限位,能对输出齿轮的上部和底部进行支撑限位,避免输出齿轮上下窜动,且定位块和定位槽的设置,能够防止输出齿轮和输出轴发生相对转动,传动更平稳。(The invention discloses an oil pump motor transmission mechanism, which relates to the technical field of motor transmission mechanisms and comprises a first cover body and a second cover body, wherein a driven mechanism and a driving mechanism are arranged between the first cover body and the second cover body. The transmission ratio through the output gear and the input gear is 3:1, output gear's number of teeth does, the setting that input gear's number of teeth does, can make the moment of torsion of oil pump motor shaft enlarge doubly, reduce the rotational speed of oil pump motor shaft, make the vibrations of oil pump motor shaft little, it is more stable, and the direct power take off of participating in of the last input gear of oil pump motor shaft, output gear on the output shaft participates in the variable speed motion, moreover, the steam generator is simple in structure, spare part is few, the transmission loss is little, the volume of lid one and lid two has been reduced, bearing one and bearing two are spacing simultaneously, can support spacingly to output gear's upper portion and bottom, avoid output gear drunkenness from top to bottom, and the setting of locating piece and constant head tank, can prevent that output gear and output shaft from taking place relative rotation, the transmission is more steady.)

1. The utility model provides an oil pump motor drive mechanism, includes lid one (1) and lid two (2), its characterized in that: a driven mechanism (3) and a driving mechanism (4) are arranged between the first cover body (1) and the second cover body (2), the driven mechanism (3) comprises an output gear (33) arranged between the first cover body (1) and the second cover body (2), the driving mechanism (4) comprises an input gear (42) arranged between the first cover body (1) and the second cover body (2), the output gear (33) is meshed with the input gear (42), and the transmission ratio of the output gear (33) to the input gear (42) is 3: 1.

2. The oil pump motor transmission mechanism according to claim 1, characterized in that: driven mechanism (3) are still including installing bearing (31) in lid (1) inside, output gear (33) assemble the inner circle at bearing (31), the last surface mounting of lid (1) has bearing two (34), and the bottom of output gear (33) installs in the inner circle of bearing two (34), the inside of output gear (33) is provided with output shaft (32), output shaft (32) and output gear (33) interference fit.

3. The oil pump motor transmission mechanism according to claim 2, characterized in that: driven mechanism (3) still include locating piece (35) that are circumference array and fixed connection at output gear (33) inner wall, constant head tank (36) that correspond with locating piece (35) are seted up to the surface of output shaft (32), and locating piece (35) and constant head tank (36) looks joint.

4. The oil pump motor transmission mechanism according to claim 1, characterized in that: the driving mechanism (4) further comprises a third bearing (43) arranged at the bottom of the first cover body (1), an oil pump motor shaft (41) is assembled on the inner ring of the third bearing (43), and the input gear (42) is fixedly sleeved on the outer surface of the oil pump motor shaft (41).

5. The oil pump motor transmission mechanism according to claim 4, characterized in that: the inner ring of the bearing III (43) is in key connection with the oil pump motor shaft (41), and the bearing I (31), the bearing II (34) and the output gear (33) are in key connection.

Technical Field

The invention relates to the technical field of motor transmission mechanisms, in particular to an oil pump motor transmission mechanism.

Background

A variable speed drive is a mechanism for changing the speed and torque from the engine that can change the output and input shaft gear ratios in fixed or stepped fashion.

The existing variable-speed transmission mechanism has multiple structures, larger volume, high transmission loss and poorer stability. Therefore, the oil pump motor transmission mechanism solves the problems.

Disclosure of Invention

One) technical problem to be solved

The invention aims to make up the defects of the prior art and provides an oil pump motor transmission mechanism.

II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an oil pump motor transmission mechanism comprises a first cover body and a second cover body, wherein a driven mechanism and a driving mechanism are arranged between the first cover body and the second cover body, the driven mechanism comprises an output gear arranged between the first cover body and the second cover body, the driving mechanism comprises an input gear arranged between the first cover body and the second cover body, the output gear is meshed with the input gear, and the transmission ratio of the output gear to the input gear is 3: 1.

Furthermore, the driven mechanism further comprises a first bearing arranged inside the first cover body, the output gear is assembled on an inner ring of the first bearing, a second bearing is arranged on the upper surface of the first cover body, the bottom of the output gear is arranged on the inner ring of the second bearing, an output shaft is arranged inside the output gear, and the output shaft is in interference fit with the output gear.

Furthermore, the driven mechanism further comprises a positioning block which is in a circumferential array and is fixedly connected to the inner wall of the output gear, a positioning groove corresponding to the positioning block is formed in the outer surface of the output shaft, and the positioning block is clamped with the positioning groove.

Furthermore, the driving mechanism further comprises a third bearing arranged at the bottom of the first cover body, an oil pump motor shaft is assembled at the inner ring of the third bearing, and the input gear is fixedly sleeved on the outer surface of the oil pump motor shaft.

Furthermore, the inner ring of the bearing III is in key connection with the motor shaft of the oil pump, and the bearing I and the bearing II are in key connection with the output gear.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this oil pump motor drive mechanism possesses following beneficial effect:

the transmission ratio of the output gear to the input gear is 3: the oil pump motor shaft structure comprises an output gear, a cover body I, a cover body II, a bearing I, a bearing II, a positioning groove I, a positioning block II and a positioning groove II, wherein the output gear is arranged on the output shaft, the positioning block II is arranged on the upper portion and the bottom of the output gear, the positioning block II is arranged on the upper portion of the output gear, the positioning block II is arranged on the positioning groove II, the output gear is arranged on the output shaft, the output shaft is arranged on the positioning block II, the output shaft is connected with the positioning block II through the positioning block II, and the positioning block II is arranged on the output shaft.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a perspective view of the present invention;

FIG. 3 is a schematic view of the output shaft and output gear connection of the present invention;

FIG. 4 is a schematic view of the positioning grooves according to the present invention;

FIG. 5 is a schematic view of the output gear and input gear connection of the present invention;

FIG. 6 is a schematic view of the connection between the second bearing and the cover according to the present invention;

FIG. 7 is a schematic view of the connection between the bearing III and the cover body according to the present invention.

In the figure: 1. a first cover body; 2. a second cover body; 3. a driven mechanism; 31. a first bearing; 32. an output shaft; 33. an output gear; 34. a second bearing; 35. positioning blocks; 36. positioning a groove; 4. an active mechanism; 41. an oil pump motor shaft; 42. an input gear; 43. and a third bearing.

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.

As shown in fig. 1 to 7, the present invention provides a technical solution: a kind of oil pump motor drive mechanism, including the body of the cover 1 and the body of the cover 2, there are follower 3 and driving mechanism 4 between body of the cover 1 and the body of the cover 2, the follower 3 includes the output gear 33 set up between body of the cover 1 and the body of the cover 2, the driving mechanism 4 includes the input gear 42 set up between body of the cover 1 and the body of the cover 2, the output gear 33 engages with input gear 42, the transmission ratio of output gear 33 and input gear 42 is 3:1, the number of teeth of the output gear 33 is 33, the number of teeth of the input gear 42 is 11, can make the torque of the motor shaft 41 of the oil pump amplify 3 times, reduce the rotational speed of the motor shaft 41 of the oil pump, make the vibration of the motor shaft 41 of the oil pump small, more stable, and the input gear 42 on the motor shaft 41 of the oil pump participates in the power output directly, the output gear 33 on the output shaft 32 participates in the variable speed movement, simple in construction, the spare part is few, the transmission loss is small, and the volume of the first cover body 1 and the second cover body 2 is reduced.

The driven mechanism 3 further comprises a first bearing 31 arranged inside the first cover body 1, the output gear 33 is assembled on an inner ring of the first bearing 31, a second bearing 34 is arranged on the upper surface of the first cover body 1, the bottom of the output gear 33 is arranged on the inner ring of the second bearing 34, the first bearing 31 and the second bearing 34 are limited, the upper portion and the bottom of the output gear 33 can be supported and limited, the output gear 33 is prevented from moving up and down, the transmission precision is high, an output shaft 32 is arranged inside the output gear 33, the output shaft 32 is in interference fit with the output gear 33, the driven mechanism 3 further comprises positioning blocks 35 which are in a circumferential array and fixedly connected to the inner wall of the output gear 33, positioning grooves 36 corresponding to the positioning blocks 35 are formed in the outer surface of the output shaft 32, the positioning blocks 35 are clamped with the positioning grooves 36, and the positioning blocks 35 and the positioning grooves 36 are arranged to limit the output gear 33 and the output shaft 32, the output gear 33 and the output shaft 32 are prevented from relative rotation, and the transmission is smoother.

The driving mechanism 4 further comprises a third bearing 43 installed at the bottom of the first cover body 1, an inner ring of the third bearing 43 is provided with an oil pump motor shaft 41, the input gear 42 is fixedly sleeved on the outer surface of the oil pump motor shaft 41, the inner ring of the third bearing 43 is in key connection with the oil pump motor shaft 41, the first bearing 31 and the second bearing 34 are in key connection with the output gear 33, the third bearing 43 and the oil pump motor shaft 41, the first bearing 31 and the second bearing 34 are in flat key connection with the output gear 33, wedge key connection, semicircular key connection, tangential key connection or spline connection, play of the third bearing 43 and the oil pump motor shaft 41 can be avoided, and the transmission precision is high.

The working principle is as follows: when the motor works, the oil pump motor shaft 41 drives the input gear 42 to rotate under the support of the bearing III 43, the input gear 42 is prevented from moving, the output gear 33 meshed with the input gear 42 is enabled to rotate under the support of the bearing I31 and the bearing II 34, the output gear 33 is prevented from moving, the transmission precision is high, the output shaft 32 is enabled to rotate along with the output gear 33 and the output shaft 32 through the limiting of the positioning groove 36 and the positioning block 35, the output gear 33 and the output shaft 32 are prevented from rotating relatively, the transmission of the output shaft 32 is enabled to be more stable, the transmission ratio of the output gear 33 to the input gear 42 is 3:1, the number of teeth of the output gear 33 is 33, the number of teeth of the input gear 42 is 11, the torque of the oil pump motor shaft 41 can be amplified by 3 times, the rotating speed of the oil pump motor shaft 41 is reduced, the vibration of the oil pump motor shaft 41 is enabled to be small and stable, and the input gear 42 on the motor shaft 41 directly participates in power output, the output gear 33 on the output shaft 32 participates in variable speed movement, the structure is simple, the number of parts is small, transmission loss is small, and the size of the first cover body 1 and the second cover body 2 is reduced.