阅读说明：本技术 一种电动相位调节装置 (Electric phase adjusting device ) 是由 陈鹏 邓猛 蒋长路 胡荣 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种电动相位调节装置,包括电机、相位器和凸轮轴,所述的相位器包括壳体、转动设置在壳体上且与电机传动连接的支撑轴和设置在壳体内且与凸轮轴传动连接的齿轮减速传动链,所述的齿轮减速传动链与壳体传动连接,齿轮减速传动链与壳体的连接处设置有滚动摩擦副。本发明的有益效果是：本方案将相位器内部齿轮减速传动链的滑动摩擦变为滚动摩擦,能够有效减小减速结构之间的磨损,避免减速结构之间产生较大的间隙而影响相位器调节的精度。(The invention discloses an electric phase adjusting device which comprises a motor, a phaser and a camshaft, wherein the phaser comprises a shell, a support shaft which is rotatably arranged on the shell and is in transmission connection with the motor, and a gear reduction transmission chain which is arranged in the shell and is in transmission connection with the camshaft, the gear reduction transmission chain is in transmission connection with the shell, and a rolling friction pair is arranged at the joint of the gear reduction transmission chain and the shell. The invention has the beneficial effects that: the sliding friction of the gear reduction transmission chain in the phaser is changed into rolling friction, so that the abrasion between the reduction structures can be effectively reduced, and the influence on the adjustment precision of the phaser caused by the generation of a large gap between the reduction structures is avoided.)

1. An electric phase adjustment device characterized in that: including motor (1), phaser (2) and camshaft (3), phaser (2) including casing (5), rotate the back shaft (9) that set up on casing (5) and be connected with motor (1) transmission and set up in casing (5) and the gear reduction drive chain of being connected with camshaft (3) transmission, gear reduction drive chain be connected with casing (5) transmission, the junction of gear reduction drive chain and casing (5) is provided with the rolling friction pair.

2. An electric phase adjustment device according to claim 1, characterized in that: the shell (5) comprises a chain wheel (501) and a cover plate (502) connected with the chain wheel (501), and the support shaft (9) is rotatably arranged on the cover plate (502); the gear speed reduction transmission chain comprises a driven gear (8) in transmission connection with a camshaft (3), a driving gear (7) meshed with the driven gear (8), and a connecting plate (6) arranged between a chain wheel (501) and a cover plate (502) and in transmission connection with the driving gear (7), wherein the driven gear (8) is an internal gear, and the driving gear (7) is an external gear.

3. An electric phase adjusting apparatus according to claim 2, characterized in that: and a rolling friction pair is arranged at the joint of the connecting plate (6) and the driving gear (7), and a rolling friction pair is arranged at the joint of the connecting plate (6) and the chain wheel (501).

4. An electric phase adjusting apparatus according to claim 3, characterized in that: the connecting part of the connecting plate (6) and the driving gear (7) is provided with a roller (11), and the connecting part of the connecting plate (6) and the chain wheel (501) is provided with a roller (11).

5. An electric phase adjustment device according to claim 4, characterized in that: the connecting plate (6) is annular, an outer cylindrical surface of the connecting plate (6) is provided with an outer protrusion (601), an inner cylindrical surface of the connecting plate (6) is provided with an inner protrusion (602), one end surface of the chain wheel (501) is provided with an outer groove (504) which is matched and installed with the outer protrusion (601), and one end surface of the driving gear (7) is provided with an inner groove (701) which is matched and installed with the inner protrusion (602).

6. An electric phase adjustment device according to claim 5, characterized in that: the rollers (11) are arranged between the outer protrusion (601) and the outer groove (504) and between the inner protrusion (602) and the inner groove (701).

7. An electric phase adjustment device according to claim 6, characterized in that: the outer protrusion (601) is provided with an outer roller groove (603) for mounting the roller (11), and the inner protrusion (602) is provided with an inner roller groove (604) for mounting the roller (11).

8. An electric phase adjustment device according to claim 4, characterized in that: an outer transmission convex block (505) is arranged on one end face of the chain wheel (501), an inner transmission convex block (702) is arranged on one end face of the driving gear (7), the connecting plate (6) is circular, an outer cylindrical surface of the connecting plate (6) is provided with an outer notch (605) which is matched and installed with the outer transmission convex block (505), and an inner cylindrical surface of the connecting plate (6) is provided with an inner notch (606) which is matched and installed with the inner transmission convex block (702).

9. An electric phase adjustment device according to claim 8, characterized in that: the rollers (11) are arranged between the outer notch (605) and the outer transmission lug (505) and between the inner notch (606) and the inner transmission lug (702).

10. An electric phase adjustment device according to claim 9, characterized in that: the outer notch (605) is provided with an outer notch groove (607) for mounting the roller (11), and the inner notch (606) is provided with an inner notch groove (608) for mounting the roller (11).

Technical Field

The invention relates to the technical field of phase adjustment, in particular to an electric phase adjusting device.

Background

Chinese patent 201910829797.9 discloses an electric phase adjustment device. The connecting plate 4 of the device is in clearance fit with the shell driving wheel 8 and the driving gear 6, and can slide relatively. Although this structure is simple, sliding friction causes a decrease in the efficiency of the phaser, and long-term operation causes wear on the opposing sliding contact surfaces, which increases the clearance and affects the phase adjustment accuracy of the phaser.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide an electric phase adjusting device which is used for reducing the mutual abrasion of the internal transmission structures of a phaser and avoiding the influence on the phase adjusting efficiency caused by the increase of the clearance caused by the abrasion.

The invention is realized by the following technical scheme: the utility model provides an electronic phase adjustment device, includes motor, phaser and camshaft, the phaser include the casing, rotate the back shaft that sets up on the casing and be connected with motor drive and set up in the casing and with the gear reduction drive chain that camshaft drive is connected, gear reduction drive chain be connected with the casing drive, the junction of gear reduction drive chain and casing is provided with the rolling friction pair.

Further, in order to better realize the invention, the shell comprises a chain wheel and a cover plate connected with the chain wheel, and the support shaft is rotatably arranged on the cover plate; the gear speed reduction transmission chain comprises a driven gear in transmission connection with a camshaft, a driving gear meshed with the driven gear, and a connecting plate arranged between a chain wheel and a cover plate and in transmission connection with the driving gear, wherein the driven gear is an internal gear, and the driving gear is an external gear.

Furthermore, in order to better realize the invention, a rolling friction pair is arranged at the joint of the connecting plate and the driving gear, and a rolling friction pair is arranged at the joint of the connecting plate and the chain wheel.

Furthermore, in order to better realize the invention, the connecting part of the connecting plate and the driving gear is provided with a roller, and the connecting part of the connecting plate and the chain wheel is provided with a roller.

Furthermore, in order to better realize the invention, the connecting plate is in a ring shape, an external bulge is arranged on the outer cylindrical surface of the connecting plate, an internal bulge is arranged on the inner cylindrical surface of the connecting plate, an external groove matched with the external bulge is arranged on one end surface of the chain wheel, and an internal groove matched with the internal bulge is arranged on one end surface of the driving gear.

Further, in order to better realize the invention, a plurality of rollers are arranged between the external protrusion and the external groove, and a plurality of rollers are arranged between the internal protrusion and the internal groove.

Further, in order to better realize the invention, the external protrusion is provided with an external roller groove for mounting the roller, and the internal protrusion is provided with an internal roller groove for mounting the roller.

Furthermore, in order to better realize the invention, an external transmission lug is arranged on one end face of the chain wheel, an internal transmission lug is arranged on one end face of the driving gear, the connecting plate is annular, an external notch matched with the external transmission lug is arranged on the outer cylindrical surface of the connecting plate, and an internal notch matched with the internal transmission lug is arranged on the inner cylindrical surface of the connecting plate.

Further, in order to better realize the invention, a roller is arranged between the external notch and the external transmission lug, and the internal notch and the internal transmission lug are internally provided with transmission lugs.

Further, in order to better realize the invention, the outer notch is provided with an outer notch groove for installing the roller, and the inner notch is provided with an inner notch groove for installing the roller.

The beneficial effect that this scheme obtained is:

the sliding friction of the gear reduction transmission chain in the phaser is changed into rolling friction, so that the abrasion between the reduction structures can be effectively reduced, and the influence on the adjustment precision of the phaser caused by the generation of a large gap between the reduction structures is avoided.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

fig. 2 is a split schematic diagram of the phaser;

FIG. 3 is a schematic disassembled view of the gear reduction transmission chain in embodiment 3;

FIG. 4 is a schematic view of the structure of a gear reduction transmission chain according to embodiment 3;

FIG. 5 is a schematic structural view of a connecting plate in embodiment 3;

FIG. 6 is a schematic disassembled view of the gear reduction transmission chain in embodiment 4;

FIG. 7 is a schematic view of the structure of a gear reduction transmission chain according to embodiment 4;

FIG. 8 is a schematic structural view of a connecting plate in embodiment 4;

wherein 1-motor, 2-phaser, 3-camshaft, 4-output shaft, 5-housing, 501-sprocket, 502-cover plate, 503-screw, 504-outer groove, 505-outer drive lug, 6-web, 601-outer protrusion, 602-inner protrusion, 603-outer roller groove, 604-inner roller groove, 605-outer gap, 606-inner gap, 607-outer gap groove, 608-inner gap groove, 7-drive gear, 701-inner groove, 702-inner drive lug, 8-driven gear, 9-support shaft, 11-roller.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.