CN100350175C - Gear assembly - Google Patents
Gear assembly Download PDFInfo
- Publication number
- CN100350175C CN100350175C CNB2003101029846A CN200310102984A CN100350175C CN 100350175 C CN100350175 C CN 100350175C CN B2003101029846 A CNB2003101029846 A CN B2003101029846A CN 200310102984 A CN200310102984 A CN 200310102984A CN 100350175 C CN100350175 C CN 100350175C
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- Prior art keywords
- gear
- combination
- plane
- fixed
- assembly program
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Abstract
The present invention provides a gear assembly which is assembled on a plane surface. A first shaft and a second shaft are arranged on the plane surface. According to gear assembly of the present invention, the present invention comprises a first gear and a second gear, wherein the first gear is fixed on the first shaft, and the second gear is fixed on the second shaft; the second gear is mutually engaged with the first gear. Specially, the height of the first gear is taller than that of the second shaft. According to the gear assembly of the present invention, the present invention can avoid initiating the damnification of the gears in the process of assembly.
Description
Technical field
The present invention relates to a kind of Gear combination (Gear assembly) and assembly program thereof, particularly relate to Gear combination self and can avoid in assembling process, causing tooth wound (Gear teeth cracks).
Background technique
Must install various Gear combination in the business machine (Office machine),, and then drive each assembly with transmission power.
Yet,, often can see the generation that the tooth that illustrates as Fig. 1 is hindered (Gear teeth cracks) situation in the Gear combination that two adjacent gears are constituted.Below will do a narration to above-mentioned tooth condition of the injury condition.
Shown in Figure 1A, a Gear combination 10 of being made up of one first gear 12 and one second gear 14 is assembled on the plane 20.If in business machine, this plane 20 is provided by a circuit board.On this plane 20 and one first (Shaft) 22 and one second 24 is provided.Finally, this first gear 12 is fixed on this first 22, and this second gear 14 is fixed on this second 24, and this first gear 12 is meshing with each other with this second gear 14.
About the assembling of the Gear combination shown in Figure 1A, shown in Figure 1B, generally be earlier this first gear 12 to be fixed on this first 22, then carry out the fixed routine of this second gear 14 again.Because the height h1 of this first gear 12 does not exceed this height h2 of second 24, shown in Figure 1A.So, often cause as illustrating among Figure 1B, this second gear 14 is when assembling, because this second gear 14 can directly be assembled on this second 24, but 12 of this second gear 14 and first gears be not necessarily to tooth (engagement), if assemble second gear 14 at both by force under not to the situation of tooth, is very easy to and can causes small crack 142 at these second gear, 14 between cog (or these first gear, 12 between cog), or the wearing and tearing of profile of tooth, cause so-called tooth to hinder.Have gear that tooth hinders in backward operation, take place very likely that more serious profile of tooth is impaired to wait destruction, and then make the whole system running not smooth, even stop.
Along with the trend of existing business machine towards multi-functional development, being applied to the business machine internal gear also needs to consider towards miniaturization or with the directions such as material (for example, macromolecular material) manufacturing of light weight.Well imagine, above-mentionedly do not desire the tooth condition of the injury shape seen, will certainly become the main secret worry that causes business machine to stop.
In addition, in order to change the rotating speed of other gear, some gear itself is a compound gear (Compound gear).As second gear 14 that is illustrated among Figure 1A, it is promptly for by the compound gear that (Upper gear) 16 and one lower gear 18 constituted that cogs.Second gear 14 shown in Figure 1A is typical compound gear, promptly this cog 16 with these lower gear 18 concentrics, and tightly repeatedly on this lower gear 18.And this 16 outside diameter d 1 outside diameter d 2 that cogs less than this lower gear 18.If this second gear 14 is a compound gear, shown in Figure 1A, because the height h3 (or referring to itself thickness) of this lower gear itself is littler than the height of whole second gear 14, relatively down, the intensity of the tooth of lower gear is less, in case bump with this first gear 12, the probability that this lower gear generation tooth is hindered raises relatively.
If when this first gear 12 is with a metallic material manufacturing, and when this second gear 14 is a typical compound gear, and when making with a macromolecular material, design and relevant assembly program for this Gear combination 10 must have the more scheme of Zhou Yan.
Summary of the invention
Therefore, a purpose of the present invention is to provide a kind of Gear combination, and especially, can avoid causing tooth according to Gear combination of the present invention self in assembling process and hinder.
The object of the present invention is achieved like this, and a kind of Gear combination (Gear assembly) promptly is provided, and this Gear combination is assembled on the plane, and this Gear combination comprises: one first (Shaft), and this first is arranged on this plane; One first gear, this first gear are fixed on this first, and this first gear limits an end face; One second, this second is arranged on this plane and is adjacent to this first place; And one second gear, this second gear is to be that the center is fixed on this second rotationally with this second, this second gear and be meshing with each other with this first gear; And wherein, this first gear be fixed to this first go up after, the end face of this first gear is higher than this second, thus at this second gear in being fixed to before this second, can with this second gear and this first gear in advance part mesh.
The present invention also provides a kind of a Gear combination (Gear assembly) is assembled to the assembly program on the plane, this Gear combination comprises one first (Shaft), one second, one first gear and one second gear, this first is arranged on this plane, this second is arranged on this plane and is adjacent to this first and locate this first gear and limit an end face, this second gear limits a bottom surface and has this cylindrical hole of second of cooperation surely, and this assembly program comprises the following steps:
(a) this first gear is fixed on this first, wherein the end face of this first gear is higher than this second;
(b) this second gear of clamping causes the bottom surface of this second gear to exceed this second;
(c) second gear that this is held moves towards this first fixing gear, causes fixing first gear parts engagement of this second gear and this;
(d) adjust position with second gear of this first gear parts engagement, cause this second cylindrical hole that inserts this second gear;
(e) this second gear is moved towards this plane, and then finish this second gear is fixed to program on this second.
Furtherly, according to the Gear combination of a preferred embodiment of the present invention, this Gear combination is assembled on the plane, on this plane and provide one first and one second.This Gear combination comprises one first gear and one second gear.This first gear is fixed on this first.This second gear is fixed on this second, this second gear and be meshing with each other with this first gear.The height of this first gear itself is higher than this height of second.This second gear has a bottom surface and and cooperates this cylindrical hole of second.In the assembling process of this Gear combination, the fixed routine of this second gear is that the fixed routine of then this first gear is carried out.The fixed routine of this second gear and comprise the following steps: this second gear of (a) clamping causes the bottom surface of this second gear to exceed this second; (b) second gear that this is held moves towards this first fixing gear, causes fixing first gear parts engagement of this second gear and this; (c) adjust position with second gear of this first gear parts engagement, cause this second cylindrical hole that inserts this second gear; (d) this second gear is moved towards this plane, and then finish the fixed routine of this second gear.
Description of drawings
The prior art and the assembly program thereof of the Gear combination 10 that Figure 1A and Figure 1B are constituted for two adjacent teeth wheel are among the figure and schematically illustrate it easily cause the situation that tooth is hindered in the process of assembling;
Fig. 2 A to Fig. 2 E be a preferred embodiment of the present invention Gear combination 30 with and assembly program.
Embodiment
Please refer to shown in Fig. 2 A to Fig. 2 E, disclose among this figure according to the Gear combination 30 of a preferred embodiment of the present invention with and assembly program.Shown in Fig. 2 A, Gear combination 30 according to the present invention is assembled on the plane 40, on this plane and provide one first 42 and 1 second 44.If in a business machine, this plane 40 is provided by a circuit board.
Characteristics of the present invention are that this first gear 32 height h1 own are higher than this height h2 of second 44.That is, this first gear 32 limits an end face 322, and after this first gear 32 rotatably was fixed to this first 42, the end face of this first gear 32 exceeded this second 42, shown in Fig. 2 B.
Shown in Fig. 2 A, this second gear 34 limits a bottom surface 342 and has one and cooperates this cylindrical hole of second 44 344.
Another characteristics of the present invention are that in the assembling process of this Gear combination 30, the fixed routine of this second gear 34 is that the fixed routine of then this first gear 32 is carried out.The fixed routine of this second gear 34 and comprising the following steps:
(a) this second gear 34 of clamping causes the bottom surface 342 of this second gear 34 to exceed this second 44, shown in Fig. 2 B;
(b) second gear 34 that this is held moves towards this first fixing gear 32, causes fixing first gear, the 32 parts engagement of this second gear 34 and this, shown in Fig. 2 C;
(c) adjust position with second gear 34 of this first gear, 32 parts engagement, cause this second 44 cylindrical hole 344 that inserts this second gear 34, shown in Fig. 2 D;
(d) this second gear 34 is moved towards this plane 40, and then finish the fixed routine of this second gear 34, shown in Fig. 2 E.
Can know by above-mentioned fixed routine and to find out that this second gear 34 was to reach the part engagement with this first gear 32 earlier, then just this second gear 34 was inserted in this second 44 before being fixed on this second 44 about this second gear 34.So the practice can avoid this second gear 34 to bump with this first gear 32, therefore, has also exempted and has caused the possibility that tooth is hindered.
In one embodiment, shown in Fig. 2 A, this second gear 34 is to cog 36 and one and the compound gear that constituted of the lower gear 38 of these 36 concentrics that cog by one.Second gear 34 that Fig. 2 A is illustrated is a typical compound gear, i.e. this 36 outside diameter d 1 outside diameter d 2 less than this lower gear 38 that cogs.In this case, the bottom surface 342 of this second gear 34 is provided by this lower gear 38.And in the step of the fixed routine of above-mentioned this second gear 34 (c), this second gear 34 is with this lower gear 38 and this first gear, 32 parts engagement.In this embodiment, the height h1 of this first gear 32 itself are higher than the summation of the height h3 of this height h2 of second 44 and this lower gear 38 own.
In one embodiment, this second gear 34 is to be made by a macromolecular material.This first gear 32 is to be made by a metallic material.
In another specific embodiment, this first gear 32 is made by a macromolecular material.This second gear 34 is made by a metallic material.
By the above detailed description of preferred embodiments, hope can be known description feature of the present invention and spirit more, and is not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain various changes and have in the desired protection category of being arranged in of equality claim of the present invention.
Claims (16)
1. Gear combination, this Gear combination is assembled on the plane, and this Gear combination comprises:
One first, this first is arranged on this plane;
One first gear, this first gear are fixed on this first, and this first gear limits an end face;
One second, this second is arranged on this plane and is adjacent to this first place; And
One second gear, this second gear are to be that the center is fixed on this second rotationally with this second, this second gear and be meshing with each other with this first gear; And
Wherein, this first gear be fixed to this first go up after, the end face of this first gear is higher than this second, thus at this second gear in being fixed to before this second, can with this second gear and this first gear in advance part mesh.
2. Gear combination as claimed in claim 1 is characterized in that, this second gear is to cog and one and the compound gear that lower gear constituted of this concentric that cogs by one.
3. Gear combination as claimed in claim 2 is characterized in that, this external diameter that cogs is less than the external diameter of this lower gear.
4. Gear combination as claimed in claim 3 is characterized in that, this second gear is to be made by a macromolecular material.
5. Gear combination as claimed in claim 4 is characterized in that, this first gear is to be made by a metallic material.
6. Gear combination as claimed in claim 3 is characterised in that, this first gear is to be made by a macromolecular material.
7. Gear combination as claimed in claim 6 is characterised in that, this second gear is to be made by a metallic material.
8. one kind is assembled to assembly program on the plane with a Gear combination, this Gear combination comprises one first, one second, one first gear and one second gear, this first is arranged on this plane, this second is arranged on this plane and is adjacent to this first and locate this first gear and limit an end face, this second gear limits a bottom surface and has this cylindrical hole of second of cooperation surely, and this assembly program comprises the following steps:
(a) this first gear is fixed on this first, wherein the end face of this first gear is higher than this second;
(b) this second gear of clamping causes the bottom surface of this second gear to exceed this second;
(c) second gear that this is held moves towards this first fixing gear, causes fixing first gear parts engagement of this second gear and this;
(d) adjust position with second gear of this first gear parts engagement, cause this second cylindrical hole that inserts this second gear;
(e) this second gear is moved towards this plane, and then finish this second gear is fixed to program on this second.
9. assembly program as claimed in claim 8 is characterized in that, this second gear cogs by one and one and the compound gear that lower gear constituted of this concentric that cogs.
10. assembly program as claimed in claim 9 is characterized in that the bottom surface of this second gear is provided by this lower gear, and this external diameter that cogs is less than the external diameter of this lower gear.
11. assembly program as claimed in claim 10 is characterized in that, in step (c), this second gear is with this lower gear and the engagement of this first gear parts.
12. assembly program as claimed in claim 11 is characterized in that, the height of this first gear itself is the summation that is higher than the height of this height of second and this lower gear itself.
13. assembly program as claimed in claim 12 is characterized in that, this second gear is made by a macromolecular material.
14. assembly program as claimed in claim 13 is characterized in that, this first gear is made by a metallic material.
15. assembly program as claimed in claim 12 is characterized in that, this first gear is made by a macromolecular material.
16. assembly program as claimed in claim 15 is characterized in that, this second gear is made by a metallic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101029846A CN100350175C (en) | 2003-10-31 | 2003-10-31 | Gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101029846A CN100350175C (en) | 2003-10-31 | 2003-10-31 | Gear assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1611811A CN1611811A (en) | 2005-05-04 |
| CN100350175C true CN100350175C (en) | 2007-11-21 |
Family
ID=34756490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101029846A Expired - Fee Related CN100350175C (en) | 2003-10-31 | 2003-10-31 | Gear assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100350175C (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279177A (en) * | 1978-04-18 | 1981-07-21 | Masaaki Yamashita | Variable speed transmission |
| CN2078215U (en) * | 1990-11-27 | 1991-06-05 | 张来堂 | Hand razor |
| US5244440A (en) * | 1992-10-30 | 1993-09-14 | Zexel-Gleason Usa, Inc. | Differential with outwardly directed planetary gear separating forces |
| US5366422A (en) * | 1991-07-25 | 1994-11-22 | Zexel-Gleason Usa, Inc. | End-thrust design for parallel-axis differential |
| CN2307524Y (en) * | 1997-08-29 | 1999-02-17 | 陈郁升 | Automatic delieving device for toilet paper |
| US6220984B1 (en) * | 1997-05-15 | 2001-04-24 | 2F Friedrichshafen Ag | Planetary gear |
| JP2002061735A (en) * | 2000-08-23 | 2002-02-28 | Alps Electric Co Ltd | Rotating member supporting structure |
-
2003
- 2003-10-31 CN CNB2003101029846A patent/CN100350175C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279177A (en) * | 1978-04-18 | 1981-07-21 | Masaaki Yamashita | Variable speed transmission |
| CN2078215U (en) * | 1990-11-27 | 1991-06-05 | 张来堂 | Hand razor |
| US5366422A (en) * | 1991-07-25 | 1994-11-22 | Zexel-Gleason Usa, Inc. | End-thrust design for parallel-axis differential |
| US5244440A (en) * | 1992-10-30 | 1993-09-14 | Zexel-Gleason Usa, Inc. | Differential with outwardly directed planetary gear separating forces |
| US6220984B1 (en) * | 1997-05-15 | 2001-04-24 | 2F Friedrichshafen Ag | Planetary gear |
| CN2307524Y (en) * | 1997-08-29 | 1999-02-17 | 陈郁升 | Automatic delieving device for toilet paper |
| JP2002061735A (en) * | 2000-08-23 | 2002-02-28 | Alps Electric Co Ltd | Rotating member supporting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1611811A (en) | 2005-05-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071121 Termination date: 20091130 |