CN218780427U

CN218780427U - Starter drive shaft assembly

Info

Publication number: CN218780427U
Application number: CN202223179945.3U
Authority: CN
Inventors: 吕建春; 王芳; 周方向
Original assignee: Dixie Auto Electric Shanghai Ltd
Current assignee: Dixie Auto Electric Shanghai Ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-31
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a starter drive shaft assembly, including front shroud, drive shaft and isolator, still include: one end of the inner gear ring is fixedly connected with the end part of the front cover plate, and a rubber cover is sleeved on the outer surface of the inner gear ring; the circular plate is fixedly connected with the end part of the driving shaft, a gasket is arranged between the circular plate and the front cover plate, the end part of the circular plate is fixedly connected with a fixed rod, and the outer surface of the driving shaft is rotatably connected with the front cover plate; the steel ball is in rolling connection with the middle part of the circular plate; the middle part of the planet gear is fixedly connected with the fixed rod, and the outer surface of the planet gear is meshed with the inner surface of the inner gear ring; the rear cover plate is fixedly connected with the other end of the inner gear ring, and the middle part of the circular plate is fixedly connected with the fixing pipe, so that the connecting structure of the driving shaft and the isolator is more compact.

Description

Starter drive shaft assembly

Technical Field

The utility model relates to a drive shaft assembly field especially relates to a starter drive shaft assembly.

Background

The starter is electrified, a switch on the starter pushes out the one-way clutch to be meshed with a flywheel gear ring of an automobile engine to drive the engine to rotate, oil is supplied, the engine is started, after the starting is finished, a power supply of the engine is cut off, the switch is released, the one-way clutch retracts along the spiral spline of the driving shaft, and a cycle is finished.

However, the existing starter driving shaft assembly still has some defects, when the driving shaft and the one-way clutch are installed, a certain gap exists between the driving shaft and the inner gear ring, the driving shaft and the inner gear ring are not compact enough, so that the starter is easy to loosen when running, and the reliability and the safety of the starter can be influenced after a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model provides a starter drive shaft assembly through the design of packing ring and ring gear for drive shaft and isolator connection structure are compacter.

In order to solve the technical problem, the utility model provides a following technical scheme: a starter drive shaft assembly, includes front shroud, drive shaft and isolator, still includes:

one end of the inner gear ring is fixedly connected with the end part of the front cover plate, and a rubber cover is sleeved on the outer surface of the inner gear ring;

the circular plate is fixedly connected with the end part of the driving shaft, a gasket is arranged between the circular plate and the front cover plate, a fixing rod is fixedly connected with the end part of the circular plate, and the outer surface of the driving shaft is rotatably connected with the front cover plate;

the steel ball is in rolling connection with the middle part of the circular plate;

the middle part of the planet gear is fixedly connected with the fixed rod, and the outer surface of the planet gear is meshed with the inner surface of the inner gear ring;

and the rear cover plate is fixedly connected with the other end of the inner gear ring.

As a preferred technical scheme of the utility model, the fixed pipe of middle part fixedly connected with of circular slab, the diameter size of fixed pipe is seven times at zero point of the diameter size of steel ball.

As a preferred technical scheme of the utility model, the tip of rubber cover is provided with interior limit that prolongs, and the inner circle diameter size that interior limit middle part that prolongs is eight times zero of the diameter size of rubber cover.

As a preferred technical scheme of the utility model, the through-hole has been seted up at planetary gear's middle part, the size of through-hole and the big or small looks adaptation of dead lever.

As a preferred technical scheme of the utility model, the back shroud is circular setting, the diameter size of back shroud is the same with the diameter size of ring gear.

As a preferred technical scheme of the utility model, the surface symmetry of front shroud is provided with the lug.

As an optimized technical scheme of the utility model, the spread groove has been seted up at the middle part of back shroud.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through packing ring and ring gear for drive shaft and isolator connection structure is compacter.

2. Through the planetary gear and the inner gear ring, the transmission power density is high, and coaxial speed reduction and speed increase can be realized.

Drawings

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

fig. 2 is a schematic structural view of the fixing rod of the present invention.

Wherein: 1. a front cover plate; 2. a drive shaft; 3. a one-way clutch; 4. an inner gear ring; 5. a rubber cover; 6. a circular plate; 7. a gasket; 8. a fixing rod; 9. a steel ball; 10. a planetary gear; 11. a back cover plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

The embodiment is as follows:

as shown in fig. 1-2, the utility model provides a starter drive shaft assembly, including front shroud 1, drive shaft 2 and isolator 3, still include:

the anti-theft device comprises an inner gear ring 4, wherein one end of the inner gear ring 4 is fixedly connected with the end part of a front cover plate 1, a rubber cover 5 is sleeved on the outer surface of the inner gear ring 4, and a one-way clutch 3 is installed at the other end of the front cover plate 1;

the circular plate 6 is fixedly connected with the end part of the driving shaft 2, a gasket 7 is arranged between the circular plate 6 and the front cover plate 1, the end part of the circular plate 6 is fixedly connected with a fixing rod 8, and the outer surface of the driving shaft 2 is rotatably connected with the front cover plate 1;

the steel ball 9, the steel ball 9 is connected with the middle part of the circular plate 6 in a rolling way;

the middle part of the planet gear 10 is fixedly connected with the fixed rod 8, and the outer surface of the planet gear 10 is meshed and connected with the inner surface of the inner gear ring 4;

and the rear cover plate 11 is fixedly connected with the other end of the inner gear ring 4.

Through the arranged front cover plate 1, the gasket 7 is sleeved on the outer surface of the driving shaft 2, the driving shaft 2 penetrates through the front cover plate 1, the gasket 7 is attached to the inner wall of the front cover plate 1, the planetary gear 10 and the fixed rod 8 are fixedly fixed, meanwhile, the planetary gear 10 is meshed with a rack on the inner wall of the inner gear ring 4 and is connected with the end portion of the inner gear ring 4, the rubber cover 5 is sleeved on the outer surface of the inner gear ring 4, meanwhile, the extending edge of the rubber cover 5 limits the rear cover plate 11, the installation is convenient, and the gasket 7 and the inner gear ring 4 enable the connecting structure of the driving shaft 2 and the isolator 3 to be more compact.

In other embodiments, a fixed tube is fixedly connected to the middle of the circular plate 6, and the diameter of the fixed tube is seven times the diameter of the steel ball 9.

Through the circular plate 6 that sets up, fixed pipe and dead lever 8 are installed respectively to the tip of circular plate 6, conveniently prescribe a limit to the position of steel ball 9 and planet wheel.

In other embodiments, the end of the rubber cover 5 is provided with an inner extending edge, and the diameter of the inner ring in the middle of the inner extending edge is eight times the diameter of the rubber cover 5.

Through the arranged rubber cover 5, when the rubber cover 5 is sleeved on the outer surface of the inner gear ring 4 through the arrangement of the inner extending edge, the rear cover plate 11 can be firmly attached to the outer surface of the inner gear ring 4.

In other embodiments, the middle of the planetary gear 10 is provided with a through hole, and the size of the through hole is matched with that of the fixing rod 8.

Through the planetary gear 10, the through-hole makes things convenient for the installation of planetary gear 10, and realizes coaxial speed reduction and acceleration rate.

In other embodiments, the rear cover plate 11 is arranged in a circle, and the diameter of the rear cover plate 11 is the same as that of the ring gear 4.

Through the back shroud 11 that sets up, back shroud 11 laminates when the tip of ring gear 4, seals planetary gear 10, and gives dead lever 8 certain support for planetary gear 10 is more convenient when rotating.

In other embodiments, the outer surface of the front cover plate 1 is symmetrically provided with lifting lugs.

Through the front shroud 1 that sets up, the setting of lug for front shroud 1 is when installing, and the installation is more stable.

In other embodiments, the middle portion of the rear cover plate 11 is provided with a connecting groove.

Through the back shroud 11 that sets up, the spread groove makes the tip of armature can be through roll connection between spread groove and the steel ball.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a starter drive shaft assembly, includes front shroud (1), drive shaft (2) and isolator (3), its characterized in that: further comprising:

the anti-theft device comprises an inner gear ring (4), one end of the inner gear ring (4) is fixedly connected with one end of a front cover plate (1), a rubber cover (5) is sleeved on the outer surface of the inner gear ring (4), and the isolator (3) is installed at the other end of the front cover plate (1);

the circular plate (6) is fixedly connected with the end part of the driving shaft (2), a gasket (7) is arranged between the circular plate (6) and the front cover plate (1), the end part of the circular plate (6) is fixedly connected with a fixing rod (8), and the outer surface of the driving shaft (2) is rotatably connected with the front cover plate (1);

the steel ball (9), the said steel ball (9) rolls with the middle part of the circular plate (6) to connect;

the middle part of the planet gear (10) is fixedly connected with the fixed rod (8), and the outer surface of the planet gear (10) is meshed with the inner surface of the inner gear ring (4);

the rear cover plate (11), the rear cover plate (11) and the other end of the inner gear ring (4) are fixedly connected.

2. The starter drive shaft assembly of claim 1, wherein: the middle part of the circular plate (6) is fixedly connected with a fixed pipe, and the diameter of the fixed pipe is seven times the diameter of the steel ball (9).

3. The starter drive shaft assembly of claim 1, wherein: the end part of the rubber cover (5) is provided with an inner extending edge, and the diameter of the inner ring in the middle of the inner extending edge is eight times of the zero point of the diameter of the rubber cover (5).

4. The starter drive shaft assembly of claim 1, wherein: the middle part of the planetary gear (10) is provided with a through hole, and the size of the through hole is matched with that of the fixed rod (8).

5. The starter drive shaft assembly of claim 1, wherein: the rear cover plate (11) is arranged in a circular shape, and the diameter of the rear cover plate (11) is the same as that of the inner gear ring (4).

6. The starter drive shaft assembly of claim 1, wherein: the outer surface of the front cover plate (1) is symmetrically provided with lifting lugs.

7. The starter drive shaft assembly of claim 1, wherein: the middle part of the rear cover plate (11) is provided with a connecting groove.