CN209781633U - Bolt locking structure of driving bevel gear and flange - Google Patents
Bolt locking structure of driving bevel gear and flange Download PDFInfo
- Publication number
- CN209781633U CN209781633U CN201920176856.2U CN201920176856U CN209781633U CN 209781633 U CN209781633 U CN 209781633U CN 201920176856 U CN201920176856 U CN 201920176856U CN 209781633 U CN209781633 U CN 209781633U
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- China
- Prior art keywords
- bevel gear
- hole
- locking plate
- driving bevel
- flange
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Abstract
The utility model provides a bolt locking structure of drive bevel gear and flange, flange and drive bevel gear splined connection, be equipped with an O-ring between flange and the drive bevel gear shaft of gear, there is the annular packing ring of circle to set up in the aperture portion on the shoulder hole upper portion of flange above the O-ring, the locking plate sets up in the top of packing ring, a cylindric lock is impressed in locking plate through-hole, packing ring through-hole and drive bevel gear blind hole in proper order, the outer hex bolts who has spring washer passes locking plate centre bore, packing ring centre bore in proper order after screwing in drive bevel gear screw hole and screwing up; the utility model adopts the outer hexagon bolt to fix the flange and the drive bevel gear, thereby shortening the axial length of the drive bevel gear and reducing the weight; the locking plate structure is added, the locking plate is connected with the driving bevel gear through the cylindrical pin, the locking plate is attached to the bolt head of the outer hexagon bolt after being turned over, and the reliability of locking the outer hexagon bolt is improved.
Description
Technical Field
the utility model belongs to reduction gear assembly subassembly in the automobile drive axle field, concretely relates to drive bevel gear and bolt locking structure of bead.
Background
In the domestic automobile driving axle, the driving bevel gear is connected with the flange by adopting a nut, and the structure increases the axial length of the driving bevel gear, thereby increasing the weight; the nut is radially flattened on the end face and is locked by matching with the groove of the driving bevel gear, so that the locking reliability is low and the nut is easy to loosen.
disclosure of Invention
The utility model aims to solve the problems that in the existing automobile driving axle, the axial length and the weight of a driving bevel gear are increased because the driving bevel gear is connected with a flange by adopting a nut; the problems that the reliability of a flattening locking structure between a nut and a driving bevel gear is low, the bolt is easy to loosen and the like are solved, the weight is reduced, and the reliability is improved.
The utility model discloses an adopt following technical scheme to realize:
A bolt locking structure of a driving bevel gear and a flange is characterized in that a spline hole of the flange is in spline connection with a spline shaft at the upper part of a gear shaft of the driving bevel gear, the lower end surface of the flange is attached to a tapered roller bearing sleeved at the lower part of the gear shaft of the driving bevel gear, a driving bevel gear threaded hole is arranged at the center of the upper end surface of the driving bevel gear, a driving bevel gear blind hole with a circular radial section is further arranged on the upper end surface of the driving bevel gear, the top part of the gear shaft of the driving bevel gear, which is positioned above the spline shaft, is a top shaft neck, the diameter of the top shaft neck is smaller than that of the spline shaft, an O-shaped ring is arranged in a groove formed by a small-hole part at the lower part of the stepped hole of the flange and an outer cylindrical surface of the top, the center hole of the washer is aligned with the thread hole of the driving bevel gear, the washer is provided with a circular washer through hole aligned with the blind hole of the driving bevel gear, the locking plate is arranged above the washer, the center of the locking plate is provided with a locking plate center hole, the locking plate center hole is aligned with the thread hole of the driving bevel gear, the locking plate is provided with a circular locking plate through hole aligned with the blind hole of the driving bevel gear, the diameters of the washer through hole and the locking plate through hole are the same, a cylindrical pin is sequentially pressed into the locking plate through hole, the washer through hole and the blind hole of the driving bevel gear, an outer hexagon bolt with a spring washer sequentially penetrates through the locking plate center hole.
The further technical scheme is as follows:
The diameter of the locking plate perpendicular to the diameter of the locking plate through hole is used as a central line to divide the locking plate into two parts, the part where the locking plate through hole is located is the part A, the other part is the part B, and the edge of the part B is folded upwards and attached to a hexagonal edge of a bolt head of the outer hexagon bolt.
compared with the prior art, the beneficial effects of the utility model are that:
The utility model provides a bolt locking structure of a driving bevel gear and a flange, which adopts an outer hexagon bolt to fix the flange and the driving bevel gear, shortens the axial length of the driving bevel gear and lightens the weight; and a locking plate and a washer are added and are connected with the driving bevel gear through a cylindrical pin, and the locking plate is attached to the bolt head of the outer hexagon bolt after being turned over, so that the reliability of locking the outer hexagon bolt is improved.
Drawings
the invention will be further described with reference to the accompanying drawings:
Fig. 1 is a schematic structural view illustrating a bolt locking structure of a drive bevel gear and a flange according to the present invention applied to a reducer assembly;
fig. 2 is a partial enlarged view of fig. 1, which is a schematic structural view of a bolt locking structure of a drive bevel gear and a flange according to the present invention;
Fig. 3 is a schematic structural view of a drive bevel gear in a bolt-locking structure of a drive bevel gear and a flange according to the present invention;
FIG. 4 is a radial cross-sectional view of a washer in a drive bevel gear and flange bolted locking arrangement according to the present invention;
FIG. 5 is a radial cross-sectional view of a locking plate in a drive bevel gear and flange bolt locking arrangement according to the present invention;
FIG. 6 is a top view of a locking plate in a drive bevel gear and flange bolt locking arrangement according to the present invention;
in the figure: 1. the novel driving bevel gear comprises an outer hexagon bolt, 2 parts of a spring washer, 3 parts of a cylindrical pin, 4 parts of a locking plate, 5 parts of a washer, 6 parts of an O-shaped ring, 7 parts of a flange, 8 parts of a driving bevel gear, 9 parts of a tapered roller bearing, 10 parts of a spline shaft, 11 parts of a top shaft neck, 12 parts of a driving bevel gear threaded hole, 13 parts of a driving bevel gear blind hole, 14 parts of a washer central hole, 15 parts of a washer through hole, 16 parts of a locking plate central hole and 17 parts of a locking plate through.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
The utility model provides a bolt locking structure of a drive bevel gear and a flange, as shown in figure 1, applied to a reducer assembly, as shown in figure 2, the spline hole of the flange 7 is in spline connection with a spline shaft 10 on the upper part of a gear shaft of the drive bevel gear 8, the lower end surface of the flange 7 is attached to a tapered roller bearing 9 sleeved on the lower part of the gear shaft of the drive bevel gear 8, as shown in figure 3, a drive bevel gear threaded hole 12 is arranged at the center of the upper end surface of the drive bevel gear 8, a drive bevel gear blind hole 13 with a radial section as a prototype is also arranged on the upper end surface of the drive bevel gear 8, the top journal section of the gear shaft of the drive bevel gear 8 above the spline shaft 10 is a top journal 11, the diameter of the top journal 11 is smaller than that of the spline shaft 10, as shown in figure 2, an O-shaped ring 6 is arranged in a groove formed by the small hole part on the lower part of the, a ring-shaped washer 5 is arranged above the O-shaped ring 6 and is arranged in a small-aperture part at the upper part of the stepped hole of the flange 7, a washer central hole 14 of the washer 5 is aligned with a drive bevel gear threaded hole 12, as shown in fig. 4, a circular washer through hole 15 aligned with a drive bevel gear blind hole 13 is arranged on the washer 5, a locking plate 4 is arranged above the washer 5, as shown in fig. 5 and 6, a locking plate central hole 16 is arranged at the center of the locking plate 4, the locking plate central hole 16 is aligned with the drive bevel gear threaded hole 12, a circular locking plate through hole 17 aligned with the drive bevel gear blind hole 13 is arranged on the locking plate 4, the diameters of the drive bevel gear blind hole 13, the washer through hole 15 and the locking plate through hole are the same, as shown in fig. 2, a cylindrical pin 3 is pressed into the locking plate through hole 17, the washer through hole 15 and the drive bevel gear, The washer center hole 14 is then threaded into the drive bevel gear threaded hole 12 and tightened.
as shown in fig. 2, the diameter of the locking plate 4 perpendicular to the diameter of the locking plate through hole 17 is used as a center line to divide the locking plate 4 into two parts, the part where the locking plate through hole 17 is located is part a, the other part is part B, and the edge of part B is folded upwards and then attached to a hexagonal edge of the bolt head of the hexagon socket head bolt 1.
Claims (2)
1. a bolt locking structure of a driving bevel gear and a flange is characterized in that a spline hole of the flange (7) is in spline connection with a spline shaft (10) on the upper portion of a gear shaft of the driving bevel gear (8), the lower end face of the flange (7) is attached to a tapered roller bearing (9) sleeved on the lower portion of the gear shaft of the driving bevel gear (8), a driving bevel gear threaded hole (12) is formed in the center of the upper end face of the driving bevel gear (8), a driving bevel gear blind hole (13) with a circular radial cross section is further formed in the upper end face of the driving bevel gear (8), a journal section of the top of the gear shaft of the driving bevel gear (8) above the spline shaft (10) is a top journal (11), the diameter of the top journal (11) is smaller than that of the spline shaft (10), an O-shaped ring (6) is arranged in a groove formed by a small hole portion on the lower portion of a stepped hole of the flange (7) and, an annular gasket (5) is arranged in a small-aperture part at the upper part of a stepped hole of a flange (7) above an O-shaped ring (6), a gasket central hole (14) of the gasket (5) is aligned with a driving bevel gear threaded hole (12), a circular gasket through hole (15) aligned with a driving bevel gear blind hole (13) is arranged on the gasket (5), a locking plate (4) is arranged above the gasket (5), a locking plate central hole (16) is arranged at the center of the locking plate (4), the locking plate central hole (16) is aligned with the driving bevel gear threaded hole (12), a circular locking plate through hole (17) aligned with the driving bevel gear blind hole (13) is arranged on the locking plate (4), the diameters of the driving bevel gear blind hole (13), the gasket through hole (15) and the locking plate through hole are the same, a cylindrical pin (3) is pressed into the locking plate through hole (17), the gasket through hole (15) and the driving bevel gear blind, an outer hexagon bolt (1) with a spring washer (2) sequentially penetrates through a lock plate center hole (16) and a washer center hole (14) and then is screwed into a driving bevel gear threaded hole (12) and is screwed down.
2. the bolt locking structure of a drive bevel gear and a flange according to claim 1, wherein the diameter of the locking plate (4) perpendicular to the diameter of the locking plate through hole (17) is taken as a center line to divide the locking plate (4) into two parts, the part where the locking plate through hole (17) is located is part a, the other part is part B, and the edge of part B is folded upwards and then attached to a hexagonal edge of the bolt head of the outer hexagonal bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176856.2U CN209781633U (en) | 2019-02-01 | 2019-02-01 | Bolt locking structure of driving bevel gear and flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920176856.2U CN209781633U (en) | 2019-02-01 | 2019-02-01 | Bolt locking structure of driving bevel gear and flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781633U true CN209781633U (en) | 2019-12-13 |
Family
ID=68794430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920176856.2U Active CN209781633U (en) | 2019-02-01 | 2019-02-01 | Bolt locking structure of driving bevel gear and flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781633U (en) |
-
2019
- 2019-02-01 CN CN201920176856.2U patent/CN209781633U/en active Active
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| GR01 | Patent grant | ||
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