CN204061518U - A kind of radial gear - Google Patents
A kind of radial gear Download PDFInfo
- Publication number
- CN204061518U CN204061518U CN201420351359.9U CN201420351359U CN204061518U CN 204061518 U CN204061518 U CN 204061518U CN 201420351359 U CN201420351359 U CN 201420351359U CN 204061518 U CN204061518 U CN 204061518U
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- CN
- China
- Prior art keywords
- axle
- bearing
- diameter
- axis hole
- equal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to transmission device, particularly relates to a kind of radial gear; Radial gear of the present utility model, comprises bearing and the coaxial shell be sheathed on outside described bearing, also comprises the packing ring of the axle be arranged in described bearing and the end being sheathed on described axle; Be provided with compensate opening and axis hole on the shaft; Described compensate opening is blind hole, and described axis hole is through hole; There is offset in the axle center of described axis hole and the axle center of described bearing; The number of described compensate opening is more than or equal to 1, and is less than or equal to 5; Described compensate opening is arranged near the edge of the cross section of described axle, and its diameter is less than the diameter of described axis hole; The diameter of described axis hole is little relative to the diameter of described axle, little on the radial bearing capacity impact of described axle; And described axle is large with traditional drive link phase diameter group, length is little, and its ability of bearing moment of flexure and moment of torsion strengthens.
Description
Technical field
The utility model relates to transmission device, particularly relates to a kind of radial gear.
Background technique
General transmission shaft can only drive workpiece rotation, but eccentric shaft, and not only can transmit rotation, can also transmit revolution, eccentric shaft is widely used in all kinds of machinery equipment simultaneously.Conventional eccentric shaft comprises axis body and is positioned at the eccentric spindle nose at axis body two ends.During use, axis body is located in bearing, drives surrounding devices running by bearing.Eccentric shaft this as rod member, the ability of bearing load is less, when the power that external equipment is applied on eccentric shaft by bearing is excessive, produces larger moment of flexure and moment of torsion, causes the damage of eccentric shaft.
Model utility content
The purpose of this utility model is to provide a kind of radial gear, solves the problem that traditional radial gear bearing capacity is little.
The technological scheme that the utility model adopts for its technical problem of solution is:
A kind of radial gear, comprises bearing and the coaxial shell be sheathed on outside described bearing, also comprises the packing ring of the axle be arranged in described bearing and the end being sheathed on described axle; Be provided with compensate opening and axis hole on the shaft; Described compensate opening is blind hole, and described axis hole is through hole; There is offset in the axle center of described axis hole and the axle center of described bearing; The number of described compensate opening is more than or equal to 1, and is less than or equal to 5; Described compensate opening is arranged near the edge of the cross section of described axle, and its diameter is less than the diameter of described axis hole; The diameter of described axis hole is less than or equal to 1/3rd of the diameter of described axle.
Wherein, described offset is more than or equal to 1/10th of the diameter of the cross section of described axle.
Wherein, the diameter of described axis hole is less than or equal to 1/2nd of the diameter of described axle; The diameter of described axis hole is more than or equal to 5 millimeters, and is less than or equal to 20 millimeters.
Wherein, the described compensate opening degree of depth is more than or equal to 1/4th of the width of described bearing, and is less than or equal to 3/4ths of described bearing width.
Wherein, described compensate opening is evenly distributed on the cross section of described axle, and folded by the line in the center of circle of the center of circle of the cross section of adjacent described compensate opening and the cross section of described axle, acute angle is not less than 20 °.
Wherein, the described shell gusset that comprises the mounting groove being arranged on its core, the wheel rim being arranged on its outer rim and be arranged between described mounting groove and described wheel rim; Described shell is made up of the two-part about its radial symmetric, is fixed together by the link be arranged on described gusset.
Wherein, described bearing comprises the bearing outer ring that the bearing inner race, the coaxial sleeve that are arranged at its core are located at described bearing inner race outside, the Sealing being arranged in ball between described bearing inner race and described bearing outer ring, being sheathed on the retainer on described ball and being arranged between described bearing inner race and described bearing outer ring.
The utility model has the advantage of:
Radial gear of the present utility model, comprises bearing and the coaxial shell be sheathed on outside described bearing, also comprises the packing ring of the axle be arranged in described bearing and the end being sheathed on described axle; Be provided with compensate opening and axis hole on the shaft; Described compensate opening is blind hole, and described axis hole is through hole; There is offset in the axle center of described axis hole and the axle center of described bearing; The number of described compensate opening is more than or equal to 1, and is less than or equal to 5; Described compensate opening is arranged near the edge of the cross section of described axle, and its diameter is less than the diameter of described axis hole; The diameter of described axis hole is less than or equal to 1/3rd of the diameter of described axle; The diameter of described axis hole is much smaller relative to the diameter of described axle, little on the radial bearing capacity impact of described axle; And described axle is large with traditional drive link phase diameter group, length is little, and its ability of bearing moment of flexure and moment of torsion strengthens; When described axle meeting expanded by heating when running up heating, the radial load that now described axle is subject to will increase, and easily causes damage to described axle and described bearing 1; Described compensate opening can relax the extruding that described axle expanded by heating causes, and alleviates the load that described axle and described bearing bear, improves the bearing capacity of described radial gear entirety.
Accompanying drawing explanation
Fig. 1 is the sectional view of radial gear of the present utility model.
Fig. 2 is the right elevation of radial gear of the present utility model.
1-bearing; 11-bearing inner race; 12-ball; 13-retainer; 14-Sealing; 15-bearing outer ring; 2-packing ring; 3-shell; 31-wheel rim; 32-link; 33-gusset; 34-mounting groove; 4-axle; 41-compensate opening; 42-axis hole.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the utility model further.
Composition graphs 1 and Fig. 2 are described in detail to radial gear of the present utility model.
Radial gear of the present utility model, comprises bearing 1 and the coaxial shell 3 be sheathed on outside described bearing 1, also comprises the packing ring 2 of the axle 4 be arranged in described bearing 1 and the end being sheathed on described axle 4; Described axle 4 is provided with compensate opening 41 and axis hole 42; Described compensate opening 41 is blind hole, and described axis hole 42 is through hole; There is offset in the axle center of described axis hole 42 and the axle center of described bearing 1; The number of described compensate opening 41 is more than or equal to 1, and is less than or equal to 5; Described compensate opening 41 is arranged near the edge of the cross section of described axle 4, and its diameter is less than the diameter of described axis hole 42; The diameter of described axis hole 42 is less than or equal to 1/3rd of the diameter of described axle 4.There is offset in the axle center of described axis hole 42 and the axle center of described bearing 1, can realize eccentric gearing; The number of the preferred described compensate opening 41 of the utility model be 2; The diameter of described axis hole 42 is less than or equal to 1/3rd of the diameter of described axle 4; The diameter of described axis hole 42 is much smaller relative to the diameter of described axle 4, little on the radial bearing capacity impact of described axle 4; And described axle 4 is large with traditional drive link phase diameter group, length is little, and its ability of bearing moment of flexure and moment of torsion strengthens.
Described offset is more than or equal to 1/10th of the diameter of the cross section of described axle 4.
The diameter of described axis hole 42 is less than or equal to 1/2nd of the diameter of described axle 4; The diameter of described axis hole 42 is more than or equal to 5 millimeters, and is less than or equal to 20 millimeters.The diameter of the preferred described axis hole 42 of the utility model is 10 millimeters; The strength reduction of described axis hole 42 to described axle 4 of this size is less, little on the impact of its bearing capacity.
Described compensate opening 41 degree of depth is more than or equal to 1/4th of the width of described bearing 1, and is less than or equal to 3/4ths of described bearing 1 width.When described axle 4 meeting expanded by heating when running up heating, the radial load that now described axle 4 is subject to will increase, and easily causes damage to described axle 4 and described bearing 1; Described compensate opening 41 can relax the extruding that described axle 4 expanded by heating causes, and alleviates the load that described axle 4 and described bearing 1 bear, improves the bearing capacity of described radial gear entirety.
Described compensate opening 41 is evenly distributed on the cross section of described axle 4, and folded by the line in the center of circle of the center of circle of the cross section of adjacent described compensate opening 41 and the cross section of described axle 4, acute angle is not less than 20 °.Folded by the line in the center of circle of cross section of the described compensate opening 41 that the utility model is preferably adjacent and the center of circle of the cross section of described axle 4, acute angle is 45 °, it is comparatively even that described like this compensate opening 41 distributes, can bear from the active force in all directions, improve bearing capacity.
The gusset 33 that described shell 3 comprises the mounting groove 34 being arranged on its core, the wheel rim 31 being arranged on its outer rim and is arranged between described mounting groove 34 and described wheel rim 31; Described shell 3 is made up of the two-part about its radial symmetric, is fixed together by the link 32 be arranged on described gusset 33.Described shell 3 is made up of the composite structure that described mounting groove 34, described wheel rim 31 and described gusset 33 are such, described gusset 33 can improve the ability that described shell 3 bears radial load, decrease material simultaneously, which reduces shell itself and be applied to radial load on bearing.
Described bearing 1 comprises the bearing outer ring 15 that the bearing inner race 11, the coaxial sleeve that are arranged at its core are located at described bearing inner race 11 outside, the Sealing 14 being arranged in ball 12 between described bearing inner race 11 and described bearing outer ring 15, being sheathed on the retainer 13 on described ball 12 and being arranged between described bearing inner race 11 and described bearing outer ring 15.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a radial gear, comprise bearing (1) and coaxial be sheathed on described bearing (1) shell outward (3), it is characterized in that: the packing ring (2) also comprising the axle (4) be arranged in described bearing (1) and the end being sheathed on described axle (4); Described axle (4) is provided with compensate opening (41) and axis hole (42); Described compensate opening (41) is blind hole, and described axis hole (42) is through hole; There is offset in the axle center of described axis hole (42) and the axle center of described bearing (1); The number of described compensate opening (41) is more than or equal to 1, and is less than or equal to 5; Described compensate opening (41) is arranged near the edge of the cross section of described axle (4), and its diameter is less than the diameter of described axis hole (42); The diameter of described axis hole (42) is less than or equal to 1/3rd of the diameter of described axle (4).
2. a kind of radial gear according to claim 1, is characterized in that: described offset is more than or equal to 1/10th of the diameter of the cross section of described axle (4).
3. a kind of radial gear according to claim 1, is characterized in that: the diameter of described axis hole (42) is less than or equal to 1/2nd of the diameter of described axle (4); The diameter of described axis hole (42) is more than or equal to 5 millimeters, and is less than or equal to 20 millimeters.
4. a kind of radial gear according to claim 1, it is characterized in that: described compensate opening (41) degree of depth is more than or equal to 1/4th of the width of described bearing (1), and be less than or equal to 3/4ths of described bearing (1) width.
5. a kind of radial gear according to claim 1, it is characterized in that: described compensate opening (41) is evenly distributed on the cross section of described axle (4), and folded by the line in the center of circle of the center of circle of the cross section of adjacent described compensate opening (41) and the cross section of described axle (4), acute angle is not less than 20 °.
6. a kind of radial gear according to claim 1, is characterized in that: the gusset (33) that described shell (3) comprises the mounting groove (34) being arranged on its core, the wheel rim (31) being arranged on its outer rim and is arranged between described mounting groove (34) and described wheel rim (31); Described shell (3) is made up of the two-part about its radial symmetric, is fixed together by the link (32) be arranged on described gusset (33).
7. a kind of radial gear according to claim 1, is characterized in that: described bearing (1) comprises the Sealing (14) that the bearing inner race (11), the coaxial sleeve that are arranged at its core are located at the outside bearing outer ring (15) of described bearing inner race (11), are arranged in ball (12) between described bearing inner race (11) and described bearing outer ring (15), are sheathed on the retainer (13) on described ball (12) and are arranged between described bearing inner race (11) and described bearing outer ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351359.9U CN204061518U (en) | 2014-06-27 | 2014-06-27 | A kind of radial gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420351359.9U CN204061518U (en) | 2014-06-27 | 2014-06-27 | A kind of radial gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061518U true CN204061518U (en) | 2014-12-31 |
Family
ID=52203041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420351359.9U Expired - Fee Related CN204061518U (en) | 2014-06-27 | 2014-06-27 | A kind of radial gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061518U (en) |
-
2014
- 2014-06-27 CN CN201420351359.9U patent/CN204061518U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |