CN212055731U - High-wear-resistance gear - Google Patents
High-wear-resistance gear Download PDFInfo
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- CN212055731U CN212055731U CN202020662203.8U CN202020662203U CN212055731U CN 212055731 U CN212055731 U CN 212055731U CN 202020662203 U CN202020662203 U CN 202020662203U CN 212055731 U CN212055731 U CN 212055731U
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Abstract
The utility model provides a high wear-resisting gear belongs to gear manufacturing technical field. The transmission gear solves the problem that the existing transmission gear can axially shift on a gear shaft. This high wear-resisting gear includes the fashioned gear shaft body of car material, the gear shaft body includes cylinder one and cylinder two, the diameter of cylinder one is greater than the diameter of cylinder two, through toper portion transitional coupling between cylinder one and the cylinder two, the outer tip of cylinder one has the fashioned bevel gear portion of milling tooth, the outer tip of cylinder two has the linkage segment one that sets up with the axial, be provided with on the linkage segment one and enable the spacing connection structure of assembly of gear shaft body circumference, the outer tip of linkage segment one has the linkage segment two that sets up with the axial, the external screw thread of extrusion has on the outer wall of linkage segment two. The utility model has the advantages of reasonable design, simply, mechanical strength is high, makes things convenient for the erection joint, conveniently makes processing, and it is lower to make the processing cost.
Description
Technical Field
The utility model belongs to the technical field of the gear manufacturing, a high wear-resisting gear is related to.
Background
Gears are widely used in various fields of production and life as a common power transmission mode. The structure forms of the gears are various, and the gears are divided into cylindrical gears, bevel gears, non-circular gears, racks, worm gears and the like according to the shapes of the gears; according to the shape of the tooth trace, the gear is divided into a straight gear, a helical gear, a herringbone gear, a bevel gear, a curve gear and the like.
Wherein, the gear shaft that has the bevel gear tooth package belongs to one kind of drive gear, and the gear shaft generally does with drive gear's cooperation structure: the outer spline is arranged on the outer wall of the gear shaft, the inner spline groove is formed in the inner wall of the transmission gear, the outer spline of the gear shaft is axially assembled and matched with the inner spline groove of the transmission gear, the transmission gear is limited in the circumferential direction of the gear shaft after the gear shaft and the transmission gear are axially assembled and matched, but the transmission gear can axially shift on the gear shaft, when the transmission gear can axially shift on the gear shaft, the transmission gear can be eccentrically worn, when the transmission gear is seriously worn, radial jumping and vibration are easily caused, and the service life is short.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, can effectively prevent the high wear-resisting gear of axial, circumference displacement when assembling.
The purpose of the utility model can be realized by the following technical proposal: the high-wear-resistance gear comprises a gear shaft body formed by turning materials, wherein the gear shaft body comprises a first cylinder and a second cylinder, the diameter of the first cylinder is larger than that of the second cylinder, and the first cylinder and the second cylinder are in transitional connection through a conical part.
This high wear-resisting gear axial segmentation sets up, and structural design is rationally distributed, and bearing capacity is stronger, can effectively assemble, and assembly back transmission stable in structure, life is longer, and the gear is convenient to be processed, makes, and manufacturing cost is lower.
In foretell high wear gear, connection structure have the outer spline of extrusion on the outer wall of the outer end of linkage segment one, outer spline circumference interval distribution, the outer wall of the outer end of linkage segment one on be provided with the assembly structure that enables gear shaft body axial spacing connection. The purpose of this setting is can effectively prevent to assemble back circumferential direction and rotate, and the assembly structure is stable.
In foretell high wear gear, assembly structure include that circumference interval distribution has the bar spacing groove that is the axial setting on the outer wall of the inner of linkage segment one, the bar spacing inslot set firmly bar elasticity screens strip, the outer end of bar elasticity screens strip set firmly in the bar spacing inslot, the inner outside-out outside-in slope of bar elasticity screens strip buckle and stretch out outside the bar spacing groove. When the axial assembly is carried out, the strip-shaped elastic clamping strip can be hidden in the strip-shaped limiting groove under the elastic action of the strip-shaped elastic clamping strip, and when the inner end of the strip-shaped elastic clamping strip is opposite to the clamping groove of the assembly part, the inner end of the strip-shaped elastic clamping strip is elastically deformed outwards in the radial direction to be used for axial clamping.
In foretell high wear-resisting gear, bar elasticity screens strip size, shape and bar spacing groove adaptation, the outer end of bar elasticity screens strip link firmly at the bar spacing inslot through the welded mode, when the outer end of bar elasticity screens strip and bar spacing groove fixed fit, the outer wall of the outer end of this bar elasticity screens strip flushes with the outer wall of linkage segment one. This is provided to facilitate axial assembly on the first coupling section.
In the above high wear-resistant gear, the diameter of the first connecting section is larger than that of the second connecting section, and the first connecting section and the second connecting section are rounded. The purpose of this arrangement is the load bearing capacity between the first and second connector segments.
In the above high wear-resistant gear, the bottom of the bevel gear portion is provided with an axial boss with a diameter smaller than that of the bottom of the bevel gear portion, the diameter of the axial boss is larger than that of the first cylinder, the axial boss and the first cylinder are connected to form an axial leaning step, and a circle of arc-shaped groove is formed at the joint of the axial boss and the first cylinder forming the axial leaning step. The arc-shaped groove weakens the stress concentration at the joint, so that the joint is not easy to break, and the bearing capacity of the transmission gear is improved.
In the above high wear-resistant gear, the diameter of the second cylinder is larger than that of the first connecting section, and the second cylinder and the first connecting section are in circular arc transition connection. The purpose of this arrangement is to improve the load bearing capacity between the second cylinder and the first connecting section.
In the above high wear-resistant gear, the outer end edges of the bevel teeth of the bevel gear part are chamfered. The bevel gear meshing transmission of the bevel gear part is convenient, radial runout and vibration cannot be generated, the transmission is stable, and the noise is low.
Compared with the prior art, the high-wear-resistance gear has the advantages that: the structure design is reasonable and simple, the mechanical strength is high, the assembly and the connection are convenient, the manufacturing and the processing are convenient, and the manufacturing and the processing cost is lower.
Drawings
Fig. 1 is a partial sectional structural schematic view of the high wear-resistant gear.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure, 1, a cylinder I; 2. a second cylinder; 3. a tapered portion; 4. an umbrella tooth part; 5. a first connecting section; 6. a second connecting section; 7. the external flower is healthy; 8. a strip-shaped limiting groove; 9. a strip-shaped elastic clamping strip; 10. rounding off; 11. an axial boss; 12. an arc-shaped slot; 13. a circular arc; 14. and (6) chamfering.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the high-wear-resistance gear mainly comprises a gear shaft body formed by turning materials, wherein the gear shaft body comprises a cylinder I1 and a cylinder II 2, the diameter of the cylinder I1 is larger than that of the cylinder II 2, the cylinder I1 and the cylinder II 2 are in transitional connection through a conical part 3, the outer end part of the cylinder I1 is provided with a bevel gear part 4 formed by milling teeth, and the edge of the outer end of the bevel gear part 4 is chamfered 14; the outer end part of the cylinder II 2 is provided with a first connecting section 5 which is coaxially arranged, the first connecting section 5 is provided with a connecting structure which can enable the gear shaft body to be circumferentially limited and assembled, the outer end part of the first connecting section 5 is provided with a second connecting section 6 which is coaxially arranged, and the outer wall of the second connecting section 6 is provided with an extrusion-molded external thread; in actual manufacturing, the diameter of the first connecting section 5 is larger than that of the second connecting section 6, and a fillet 10 is processed between the first connecting section 5 and the second connecting section 6; the diameter of the second cylinder 2 is larger than that of the first connecting section 5, and the second cylinder 2 and the first connecting section 5 are in transition connection through an arc 13
In actual manufacturing, the specific implementation of the connecting structure is as follows: the outer wall of the outer end of the connecting section I5 is provided with extrusion-molded outer spline 7, the outer spline 7 is circumferentially distributed at intervals, and the outer wall of the outer end of the connecting section I5 is provided with an assembling structure which can enable the gear shaft body to be axially limited and connected; in the actual design, the specific implementation of the assembly structure is as follows: strip-shaped limiting grooves 8 which are axially arranged are circumferentially distributed on the outer wall of the inner end of the first connecting section 5 at intervals, strip-shaped elastic clamping strips 9 are fixedly arranged in the strip-shaped limiting grooves 8, the outer ends of the strip-shaped elastic clamping strips 9 are fixedly arranged in the strip-shaped limiting grooves 8, and the inner ends of the strip-shaped elastic clamping strips 9 are obliquely bent from outside to inside and extend out of the strip-shaped limiting grooves 8; specifically speaking: this bar elasticity screens strip 9's size, shape and the adaptation of bar spacing groove 8, the outer end of bar elasticity screens strip 9 links firmly at bar spacing groove 8 through the welded mode, and when bar elasticity screens strip 9's outer end and bar spacing groove 8 fixed fit, the outer wall of this bar elasticity screens strip 9's outer end flushes with the outer wall of linkage segment 5.
During actual manufacturing, the bottom of the umbrella tooth part 4 is provided with an axial boss 11 with a diameter smaller than that of the bottom of the umbrella tooth part 4, the diameter of the axial boss 11 is larger than that of the cylinder I1, the axial boss 11 and the cylinder I1 are connected to form an axial leaning step, and a circle of arc-shaped groove 12 is formed at the joint of the axial boss 11 and the cylinder I1 forming the axial leaning step.
Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. A high-wear-resistance gear comprises a gear shaft body formed by lathing materials, wherein the gear shaft body comprises a first cylinder (1) and a second cylinder (2), the diameter of the first cylinder (1) is larger than that of the second cylinder (2), the first cylinder (1) and the second cylinder (2) are in transition connection through a conical part (3), it is characterized in that the outer end part of the cylinder I (1) is provided with an umbrella tooth part (4) formed by milling teeth, the outer end part of the second cylinder (2) is provided with a first connecting section (5) which is arranged in the same axial direction, the first connecting section (5) is provided with a connecting structure which can lead the gear shaft body to be circumferentially limited and assembled, the outer end of the first connecting section (5) is provided with a second connecting section (6) which is coaxially arranged, and the outer wall of the second connecting section (6) is provided with an extrusion-molded external thread.
2. The high-wear-resistance gear according to claim 1, wherein the connecting structure comprises outer extruded splines (7) arranged on the outer wall of the outer end of the first connecting section (5), the outer splines (7) are circumferentially distributed at intervals, and an assembling structure capable of enabling the gear shaft body to be axially limited and connected is arranged on the outer wall of the outer end of the first connecting section (5).
3. The high-wear-resistance gear according to claim 2, wherein the assembly structure comprises axially arranged bar-shaped limiting grooves (8) circumferentially distributed at intervals on the outer wall of the inner end of the first connecting section (5), bar-shaped elastic clamping strips (9) are fixedly arranged in the bar-shaped limiting grooves (8), the outer ends of the bar-shaped elastic clamping strips (9) are fixedly arranged in the bar-shaped limiting grooves (8), and the inner ends of the bar-shaped elastic clamping strips (9) are obliquely bent from outside to inside and extend out of the bar-shaped limiting grooves (8).
4. A high wear-resistant gear according to claim 3, wherein the size and shape of the strip-shaped elastic clamping strip (9) are matched with those of the strip-shaped limiting groove (8), the outer end of the strip-shaped elastic clamping strip (9) is fixedly connected in the strip-shaped limiting groove (8) in a welding manner, and when the outer end of the strip-shaped elastic clamping strip (9) is fixedly matched with the strip-shaped limiting groove (8), the outer wall of the outer end of the strip-shaped elastic clamping strip (9) is flush with the outer wall of the first connecting section (5).
5. A high wear resistant gear according to claim 4, characterized in that the diameter of the first connecting section (5) is larger than the diameter of the second connecting section (6), and the rounding (10) between the first connecting section (5) and the second connecting section (6) is treated.
6. A high wear-resistant gear according to claim 5, wherein the bottom of the bevel gear portion (4) is provided with an axial boss (11) with a diameter smaller than that of the bottom of the bevel gear portion (4), the diameter of the axial boss (11) is larger than that of the first cylindrical body (1), the axial boss (11) and the first cylindrical body (1) are connected to form an axial seating step integrally, and a connection part of the axial boss (11) and the first cylindrical body (1) forming the axial seating step is provided with a circle of arc-shaped grooves (12).
7. A high wear resistant gear according to claim 6, characterized in that the diameter of the second cylindrical body (2) is larger than the diameter of the first connecting section (5), and the second cylindrical body (2) and the first connecting section (5) are in transition connection through the circular arc (13).
8. A high wear resistant gear according to claim 7, characterized in that the outer end edges of the bevel teeth portion (4) are chamfered (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020662203.8U CN212055731U (en) | 2020-04-27 | 2020-04-27 | High-wear-resistance gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020662203.8U CN212055731U (en) | 2020-04-27 | 2020-04-27 | High-wear-resistance gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212055731U true CN212055731U (en) | 2020-12-01 |
Family
ID=73518732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020662203.8U Active CN212055731U (en) | 2020-04-27 | 2020-04-27 | High-wear-resistance gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212055731U (en) |
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2020
- 2020-04-27 CN CN202020662203.8U patent/CN212055731U/en active Active
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