CN216618459U

CN216618459U - Gear output shaft

Info

Publication number: CN216618459U
Application number: CN202123305546.2U
Authority: CN
Inventors: 钱程; 龙晓宇; 王建贺; 张栋
Original assignee: Hangzhou Hecheng Technology Co ltd
Current assignee: Hangzhou Hecheng Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-27
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a gear output shaft, it includes the axis body, first logical groove and second lead to the groove, first lead to the groove with second lead to the groove intercommunication setting and run through and locate on the center pin of axis body, the diameter that first logical groove is greater than the diameter that the second led to the groove, the axis body is located the outside that first logical groove was equipped with gear spare, the axis body is located gear spare is kept away from one side that the second led to the groove is equipped with first annular arc recess. This application has the effect of improving the heat that the long-time use of output shaft produced.

Description

Gear output shaft

Technical Field

The application relates to the field of mechanical parts, in particular to a gear output shaft.

Background

The output shaft is one of the common parts of the automobile. With the continuous development of society, the technology is continuously improved; the transmission output shaft is widely used in various mechanical devices. At present, an output shaft part is a solid shaft body, a gear is sleeved on the outer side of the output shaft, the output shaft is installed on an electric output end, the output shaft is driven to rotate through the output end, and therefore a meshed driven gear is driven to rotate through the gear.

In view of the above-mentioned related art, the inventors consider that there is a drawback that the output shaft generates a large amount of heat for a long time operation, thereby affecting the power reduction of the engine.

SUMMERY OF THE UTILITY MODEL

In order to improve the heat that the long-time use of axis body produced, this application provides a gear output shaft.

The application provides a gear output shaft adopts following technical scheme: including axis body, first logical groove and second logical groove, first logical groove with second logical groove intercommunication sets up and runs through to be located on the center pin of axis body, the diameter that first logical groove is greater than the diameter that the second led to the groove, the axis body is located the outside that first logical groove is equipped with gear spare, the axis body is located gear spare is kept away from one side that the second led to the groove is equipped with first annular arc recess.

Through adopting above-mentioned technical scheme, when using gear spare to carry out the transmission, first logical groove and second lead to the groove and are used for the passing through of lubricating oil for the inside of axis body has lubricating oil, can reduce the heat that the long-time operation of axis body produced, thereby improves the life of axis body, and first annular arc recess is used for the inflow and the storage of unnecessary lubricating oil, guarantees the lubricated effect of axis body, improves the reliability of output shaft operation.

Preferably, one side of the first annular arc-shaped groove, which is far away from the gear piece, is provided with a first annular inclined plane, and the inclination angle of the first annular inclined plane is 20 degrees.

Through adopting above-mentioned technical scheme, the injection of lubricating oil is convenient for on first annular inclined plane.

Preferably, a first inclined transition surface is arranged between the first through groove and the second through groove, and the inclination angle of the first inclined transition surface is 60 degrees.

Through adopting above-mentioned technical scheme, the first slope transition face of being convenient for lubricating oil pass through, if do not have first slope transition face, can form the corner between first logical groove and the second logical groove for lubricating oil is difficult for passing through, piles up difficult clearance in the corner easily.

Preferably, the axis body is located gear spare is close to one side that the second led to the groove is equipped with first annular convex body, second annular convex body, third annular convex body and fourth annular convex body in proper order, the diameter of first annular convex body, second annular convex body, third annular convex body and fourth annular convex body reduces in proper order, first annular convex body is equipped with second annular arc recess.

By adopting the technical scheme, if the parts are arranged on the outer side of the shaft body, the stepped shaft body can be used for placing the slippage of the arranged parts in the working process, so that the stability and firmness of the structure are improved; the second annular arc-shaped groove is used for flowing in and storing redundant lubricating oil, so that the lubricating effect of the shaft body is further improved, and the running reliability of the output shaft is improved.

Preferably, the shaft body and the gear member are of an integrally formed structure.

Through adopting above-mentioned technical scheme, the integrated into one piece structure of output shaft and gear spare has replaced separately connection structure, has not only reduced the loaded down with trivial details flow of processing, has saved manufacturing cost moreover.

Preferably, the ratio of the axial lengths of the first through groove to the second through groove is 70: 80, and the ratio of the inner diameters of the first through groove to the second through groove is 25: 19.

Preferably, the ratio of the outer diameters of the first annular convex body, the second annular convex body, the third annular convex body and the fourth annular convex body is 39.3: 36.6:36.1:33.3, the ratio of the axial lengths of the first, second, third and fourth annular convexities being 10.6: 14.1: 36.64: 26.16.

by adopting the technical scheme and the proportion setting structure, the integral precision of the shaft part is improved.

Preferably, the inner wall of the second through groove is provided with a plurality of axial grooves, each groove surrounds the central shaft of the shaft body, and one end of each groove is communicated with the first through groove.

Through adopting above-mentioned technical scheme, the second leads to the groove and is used for the discrepancy of less axle piece, and the outer wall of less axle piece is equipped with the lug of cooperation recess, and groove structure is convenient for the injection of lubricating oil and is prevented running off to reach better transmission effect.

Preferably, one side of the first through groove, which is far away from the second through groove, is provided with a second annular inclined surface, the second annular inclined surface is inclined towards the side which is far away from the central axis, and the inclination angle of the second annular inclined surface is 30 degrees.

Through adopting above-mentioned technical scheme, first logical groove is used for making less axle piece pack into more convenient in the one end that is the same as lubricating oil, also plays the effect that reduces stress concentration, improves the life of axis body.

Preferably, one side of the second through groove, which is far away from the first through groove, is provided with a third annular inclined surface, the third annular inclined surface inclines towards the side which is far away from the central axis, and the inclination angle of the third annular inclined surface is 30 degrees.

Through adopting above-mentioned technical scheme, the second through-groove plays the effect that reduces stress concentration, improves the life of axis body.

In summary, the present application includes at least one of the following beneficial technical effects: the output shaft gets rid of the riveting-pressing type structure of the gear piece, and the injection molding structure integrating the axon and the gear piece is adopted, so that the matching of the output shaft and the gear piece is ensured, and the operation of the output shaft is more stable; the lubricating oil structure of axis body has reduced the frictional force in the work and has reduced the heat that produces, has improved the wearability of axis body, is suitable for the use.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 2 is a structural sectional view of embodiment 1 of the present application.

Fig. 3 is an enlarged view a of fig. 2 in the present application.

Fig. 4 is a schematic structural view of a fourth annular projection in embodiment 2 of the present application.

Fig. 5 is a structural sectional view of embodiment 2 of the present application.

Description of reference numerals: 1. a shaft body; 2. a first through groove; 3. a second through groove; 4. a gear member; 5. a first annular arc-shaped groove; 6. a first annular inclined surface; 7. a first inclined transition surface; 8. a first annular convex body; 9. a second annular convex body; 10. a third annular convex body; 11. a fourth annular boss; 12. a second annular arc-shaped groove; 13. a groove; 14. a second annular inclined surface; 15. a third annular inclined surface; 16. a fourth annular inclined surface; 17. a third inclined transition surface; 18. a second inclined transition surface; 19. a key slot; 20. a driven shaft body; 21. and (4) a bump.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a gear output shaft.

Example 1:

referring to fig. 1, a gear output shaft includes a shaft body 1 and a gear member 4 that are integrally formed, and the shaft body 1 and the gear member 4 are disposed on the same central shaft. Gear 4 is partial to the one side setting of axis body 1 for the length of 1 one end of axis body is far short in the length of the other end, and gear 4 is equipped with first annular arc recess 5 with the one side junction that axis body 1 is shorter.

Referring to fig. 2, a first annular convex body 8, a second annular convex body 9, a third annular convex body 10 and a fourth annular convex body 11 are sequentially arranged on the longer side of the shaft body 1, the diameters of the first annular convex body 8, the second annular convex body 9, the third annular convex body 10 and the fourth annular convex body 11 are sequentially reduced, and a second annular arc-shaped groove 12 is formed in the outer surface of the first annular convex body 8.

Referring to fig. 2, a first through groove 2 and a second through groove 3 which are communicated with each other are arranged in a shaft body 1, the first through groove 2 and the second through groove 3 penetrate through a central shaft arranged in the shaft body 1, the diameter of the first through groove 2 is larger than that of the second through groove 3, and the ratio of the axial lengths of the first through groove 2 to the second through groove 3 is 70: 80, the ratio of the inner diameters of the first through grooves 2 to the second through grooves 3 is 25: 19. A first inclined transition surface 7 is arranged between the first through groove 2 and the second through groove 3, and the inclination angle of the first inclined transition surface 7 is 60 degrees.

Referring to fig. 2, the ratio of the outer diameters of the first annular convexity 8, the second annular convexity 9, the third annular convexity 10 and the fourth annular convexity 11 is 39.3: 36.6:36.1:33.3, the ratio of the axial lengths of the first annular spur 8, the second annular spur 9, the third annular spur 10 and the fourth annular spur 11 being 10.6: 14.1: 36.64: 26.16. a second inclined transition surface 18 is arranged between the second annular convex body 9 and the third annular convex body 10, and the second inclined transition surface 18 and the central axis form an inclined included angle of 30 degrees. The third annular convex body 10 and the fourth annular convex body 11 are provided with a third inclined transition surface 17, and the third inclined surface 17 forms an inclined included angle of 20 degrees with the central axis.

Referring to fig. 2, the first through groove 2 is provided with a second annular inclined surface 14 and a first annular chamfer at a side away from the second through groove 3, the second annular inclined surface 14 is inclined toward a side away from the central axis, and the inclination angle of the second annular inclined surface 14 is 30 °. The first annular chamfer is provided at an end of the second annular inclined surface 14 remote from the gear member 4 to form an opening portion having a diameter larger than that of the first through groove 2.

Referring to fig. 2, a third annular inclined surface 15 and a second annular chamfer are provided on a side of the second through groove 3 away from the first through groove 2, the third annular inclined surface 15 is inclined toward a side away from the central axis, and the inclination angle of the third annular inclined surface 15 is 30 °. The second annular chamfer is provided at an end of the third annular inclined surface 15 remote from the gear member 4 to form an opening portion having a diameter larger than that of the second through groove 3.

Referring to fig. 3, the opening of the first annular arc-shaped groove 5 is inclined to the side away from the gear member 4, the first annular inclined surface 6 is provided on the side of the first annular arc-shaped groove 5 away from the gear member 4, and the inclination angle of the first annular inclined surface 6 is 20 °. One side of the first annular arc-shaped groove 5 close to the gear piece 4 is provided with a fourth annular inclined surface 16, and one end of the fourth annular inclined surface 16 connected with the side surface of the gear shaft forms an inclined angle of 20 degrees with the side surface of the gear shaft.

Example 2:

referring to fig. 4 and 5, the present embodiment is different from embodiment 1 in that a key insertion groove 19 is formed on an outer surface of a shaft body 1 for connecting an output end of a driving source, and a first through groove 2 and a second through groove 3 are used for inserting a small driven shaft body 20. The inner wall of the second through groove 3 is provided with a plurality of axial grooves 13, each groove 13 is arranged around the central shaft of the shaft body 1, and the outer wall of the driven shaft part 20 is provided with a lug 21 matched with the groove 13. One end of the groove 13 is communicated with the first through groove 2, the other end of the groove 13 does not penetrate through the groove, and each lug 21 is inserted into each groove 13, so that a gap is formed between each lug 21 and each groove 13, lubricating oil is injected into the gap, loss of the lubricating oil is prevented, and the groove is convenient to use.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A gear output shaft characterized by: including axis body (1), first logical groove (2) and second lead to groove (3), first logical groove (2) with the second leads to groove (3) intercommunication setting and runs through and locate on the center pin of axis body (1), the diameter that first logical groove (2) is greater than the diameter that the second leads to groove (3), axis body (1) is located the outside that first logical groove (2) was equipped with gear spare (4), axis body (1) is located gear spare (4) are kept away from one side that the second led to groove (3) is equipped with first annular arc recess (5).

2. A gear output shaft according to claim 1, wherein: one side of the first annular arc-shaped groove (5) far away from the gear piece (4) is provided with a first annular inclined surface (6), and the inclination angle of the first annular inclined surface (6) is 20 degrees.

3. A gear output shaft according to claim 1, wherein: first logical groove (2) and second lead to and be equipped with first slope transition face (7) between groove (3), the inclination of first slope transition face (7) is 60.

4. A gear output shaft according to claim 1, wherein: the axis body (1) is located gear spare (4) are close to one side that the second led to groove (3) is equipped with first annular convex body (8), second annular convex body (9), third annular convex body (10) and fourth annular convex body (11) in proper order, the diameter of first annular convex body (8), second annular convex body (9), third annular convex body (10) and fourth annular convex body (11) reduces in proper order, first annular convex body (8) platform is equipped with second annular arc recess (12).

5. A gear output shaft according to claim 1, wherein: the shaft body (1) and the gear piece (4) are of an integrally formed structure.

6. A gear output shaft according to claim 1, wherein: the ratio of the axial lengths of the first through groove (2) to the second through groove (3) is 70: 80, and the ratio of the inner diameters of the first through groove (2) to the second through groove (3) is 25: 19.

7. A gear output shaft according to claim 4, wherein: the ratio of the outer diameters of the first annular convex body (8), the second annular convex body (9), the third annular convex body (10) and the fourth annular convex body (11) is 39.3: 36.6:36.1:33.3, the ratio of the axial lengths of the first annular protrusion (8), the second annular protrusion (9), the third annular protrusion (10) and the fourth annular protrusion (11) being 10.6: 14.1: 36.64: 26.16.

8. a gear output shaft according to claim 1, wherein: the inner wall of the second through groove (3) is provided with a plurality of axial grooves (13), each groove (13) is arranged around the central shaft of the shaft body (1), and one end of each groove (13) is communicated with the first through groove (2).

9. A gear output shaft according to claim 8, wherein: one side of the first through groove (2) far away from the second through groove (3) is provided with a second annular inclined surface (14), the second annular inclined surface (14) inclines towards one side far away from the central shaft, and the inclination angle of the second annular inclined surface (14) is 30 degrees.

10. A gear output shaft according to claim 9, wherein: one side that the second leads to groove (3) and keep away from first logical groove (2) is equipped with third annular inclined plane (15), third annular inclined plane (15) towards the one side slope of keeping away from the center pin, the inclination of third annular inclined plane (15) is 30.