CN105351485A - Gear assembly - Google Patents
Gear assembly Download PDFInfo
- Publication number
- CN105351485A CN105351485A CN201510769663.4A CN201510769663A CN105351485A CN 105351485 A CN105351485 A CN 105351485A CN 201510769663 A CN201510769663 A CN 201510769663A CN 105351485 A CN105351485 A CN 105351485A
- Authority
- CN
- China
- Prior art keywords
- gear
- axial hole
- spring
- arc grooves
- assembly
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/18—Special devices for taking up backlash
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
Abstract
The invention discloses a gear assembly. The gear assembly comprises a first gear (1) and a second gear (2). A first axial through hole (3) is formed in the center of the first gear (1), and a second axial through hole (4) in running fit with a shaft is formed in the center of the second gear (2); a limiting device for limiting the first gear (1) and the shaft from generating circumferential rotation is arranged on the first axial through hole (3); and an elastic reset assembly for limiting the first gear (1) and the second gear (2) from generating relation rotation is arranged on the first gear (1) and the second gear (2). The gear assembly can remove the gap between teeth by itself so as to enable the gap to be close to zero.
Description
Technical field
The present invention relates to technical field of mechanical transmission, is specifically a kind of gear assembly eliminating two gaps between tooth and tooth voluntarily.
Background technique
Gear often also exists certain gap with engaging of gear, i.e. there is certain gap between the intermeshing tooth of two gears, to ensure the working life of gear and to reduce drive noise.But, the existence in gap can cause following deficiency: because gear often also exists certain gap with engaging of gear, therefore in operation process, there will be error, and after running for a long time, its accumulative error can be very large, thus impact uses the running accuracy of the equipment of this gear.Therefore, for these reasons, urgently need a kind of can eliminate voluntarily gap between tooth and tooth with make gap close to zero gear assembly, to solve the problem.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of can eliminate voluntarily gap between tooth and tooth with make gap close to zero gear assembly.
Technological scheme of the present invention is, provides a kind of gear assembly, comprises the first gear and the second gear, and the center of the first described gear is provided with the first axial hole; The center of the second described gear is provided with the second axial hole be rotatably assorted with axle; The first described axial hole is provided with restriction first gear and axle produces the circumferential limit stoper rotated; The first described gear and the second gear are provided with the elastic reset assembly that restriction first gear and the second gear produce relative rotation.
The first described axial hole is circular port, and described limit stoper is be arranged on the restraining groove on the first axial hole inwall.
Described elastic reset assembly comprises the cavity of at least two springs and at least two accommodating two springs of difference; The quantity of described spring is identical with the quantity of cavity; At least two described cavitys are symmetrical arranged centered by the axis of the first gear and the second gear; Each cavity includes two arc grooves be oppositely arranged, and one of them arc groove is arranged on the first gear, and another one arc groove is arranged on the second gear; Each spring is all arranged in two arc grooves.
One end of one end of each spring and two arc grooves offsets, and the other end of the other end of each spring and two arc grooves offsets.
The shape size degree of depth of two described arc grooves is all identical.
The shape size degree of depth of two described arc grooves is all identical.
After adopting above structure, the present invention compared with prior art, has the following advantages:
Gear assembly of the present invention can adopt two identical gear assemblies to use when using, also can adopt a gear assembly of the present invention and ordinary gear with the use of.To adopt a gear assembly of the present invention and an ordinary gear, during use, first by the first gear and the second gear counterrotating, namely one rotates forward, a counterrotating, utilize the end Compress Spring of groove, then gear assembly of the present invention to be installed on axle and to engage with an ordinary gear.Owing to being tooth and the engaging of tooth, therefore the first gear and the second gear are all in operation, and spring is in compressive state all the time, and when gear assembly of the present invention and an ordinary gear out of service time, first gear is motionless due to the existence of restraining groove, and the second gear then can rotate, and resets rapidly under the reset of spring, make the gap between the tooth of the second gear and the tooth of ordinary gear very little, close to zero.Because gear assembly of the present invention is very little with the gap of engaging of gear, close to zero, therefore the error in operation process is very little, even if after running for a long time, its accumulative error also can be very little, thus ensureing that gear volume is constant, service life of gear, gear install simple and the basis that noise is low ensure that the running accuracy of equipment.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of gear assembly of the present invention.
1, first gear shown in figure, the 2, second gear, the 3, first axial hole, the 4, second axial hole, 5, restraining groove, 6, spring, 7, arc groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, a kind of gear assembly of the present invention, comprise the first gear 1 and the second gear 2, the center of the first described gear 1 is provided with the first axial hole 3; The center of the second described gear 2 is provided with the second axial hole 4 be rotatably assorted with axle; The first described axial hole 3 is provided with restriction first gear 1 and produces the circumferential limit stoper rotated with axle, and namely the first gear 1 is along with axle rotation, and the second gear 2 is rotatably assorted with axle; The first described gear 1 and the second gear 2 are provided with the elastic reset assembly that restriction first gear 1 and the second gear 2 produce relative rotation.
The first described axial hole 3 is circular port, and described limit stoper is be arranged on the restraining groove 5 on the first axial hole 3 inwall.In the present embodiment, can also be that a limiting stopper is good.
Can also adopt following structure, the first described axial hole 3 is oval, and rotating shaft is also ovallized column.
Described elastic reset assembly comprises the cavity of at least two springs 6 and at least two accommodating two springs 6 of difference; The quantity of described spring 6 is identical with the quantity of cavity; At least two described cavitys are symmetrical arranged centered by the axis of the first gear 1 and the second gear 2; Each cavity includes two arc grooves be oppositely arranged 7, and one of them arc groove 7 is arranged on the first gear 1, and another one arc groove 7 is arranged on the second gear 2, and two arc grooves 7 merge the cavity of rear formation one accommodation spring 6; Each spring 6 is all arranged in two arc grooves 7.In the present embodiment, elastic reset assembly comprises the cavity of three springs 6 and three accommodating two springs 6 of difference.
One end of each spring 6 and one end of two arc grooves 7 offset, and the other end of each spring 6 and the other end of two arc grooves 7 offset.
The shape size degree of depth of two described arc grooves 7 is all identical.
Gear assembly of the present invention can adopt two identical gear assemblies to use when using, also can adopt a gear assembly of the present invention and ordinary gear with the use of.To adopt a gear assembly of the present invention and an ordinary gear, during use, first by the first gear 1 and the second gear 2 counterrotating, namely one rotates forward, a counterrotating, utilize the end Compress Spring 6 of arc groove 7, then gear assembly of the present invention to be installed on axle and to engage with an ordinary gear.Owing to being tooth and the engaging of tooth, therefore the first gear 1 and the second gear 2 are all in operation, and spring 6 is in compressive state all the time, and when gear assembly of the present invention and an ordinary gear out of service time, first gear is motionless due to the existence of restraining groove 5, and the second gear then can rotate, and resets rapidly under the reset of spring 6, make the gap between the tooth of the second gear 2 and the tooth of ordinary gear very little, close to zero.
Below only just most preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not limited only to above embodiment, and its concrete structure allows to change.In every case the various change done in the protection domain of independent claims of the present invention is all in protection scope of the present invention.
Claims (5)
1. a gear assembly, is characterized in that: comprise the first gear (1) and the second gear (2), and the center of described the first gear (1) is provided with the first axial hole (3); The center of described the second gear (2) is provided with the second axial hole (4) be rotatably assorted with axle; Described the first axial hole (3) is provided with restriction first gear (1) and produces the circumferential limit stoper rotated with axle; Described the first gear (1) and the second gear (2) are provided with the elastic reset assembly that restriction first gear (1) and the second gear (2) produce relative rotation.
2. gear assembly according to claim 1, is characterized in that: described the first axial hole (3) is circular port, and described limit stoper is for being arranged on the restraining groove (5) on the first axial hole (3) inwall.
3. gear assembly according to claim 1, is characterized in that: described elastic reset assembly comprises the cavity of at least two springs (6) and at least two accommodating two springs (6) of difference; The quantity of described spring (6) is identical with the quantity of cavity; At least two described cavitys are symmetrical arranged centered by the axis of the first gear (1) and the second gear (2); Each cavity includes two arc grooves be oppositely arranged (7), one of them arc groove (7) is arranged on the first gear (1), and another one arc groove (7) is arranged on the second gear (2); Each spring (6) is all arranged in two arc grooves (7).
4. gear assembly according to claim 3, it is characterized in that: one end of each spring (6) and one end of two arc grooves (7) offset, the other end of each spring (6) and the other end of two arc grooves (7) offset.
5. gear assembly according to claim 3, is characterized in that: the shape size degree of depth of two described arc grooves (7) is all identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769663.4A CN105351485A (en) | 2015-11-11 | 2015-11-11 | Gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769663.4A CN105351485A (en) | 2015-11-11 | 2015-11-11 | Gear assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105351485A true CN105351485A (en) | 2016-02-24 |
Family
ID=55327518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510769663.4A Pending CN105351485A (en) | 2015-11-11 | 2015-11-11 | Gear assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351485A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247377B1 (en) * | 1997-05-08 | 2001-06-19 | Cummins Engine Company, Inc. | Anti-lash gear assembly |
| CN101915296A (en) * | 2010-06-25 | 2010-12-15 | 重庆长安汽车股份有限公司 | Driven gear assembly of engine |
| CN102494107A (en) * | 2011-11-11 | 2012-06-13 | 大连理工大学 | Embedded anti-backlash gear mechanism |
| CN102996757A (en) * | 2012-12-11 | 2013-03-27 | 北京遥测技术研究所 | Double gear backlash structure for staggered teeth regulation spring force |
| CN104132115A (en) * | 2014-07-02 | 2014-11-05 | 中广联合移动电视系统有限公司 | Double-gear structure for antenna gear clearance compensation and communication on-the-move system |
-
2015
- 2015-11-11 CN CN201510769663.4A patent/CN105351485A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247377B1 (en) * | 1997-05-08 | 2001-06-19 | Cummins Engine Company, Inc. | Anti-lash gear assembly |
| CN101915296A (en) * | 2010-06-25 | 2010-12-15 | 重庆长安汽车股份有限公司 | Driven gear assembly of engine |
| CN102494107A (en) * | 2011-11-11 | 2012-06-13 | 大连理工大学 | Embedded anti-backlash gear mechanism |
| CN102996757A (en) * | 2012-12-11 | 2013-03-27 | 北京遥测技术研究所 | Double gear backlash structure for staggered teeth regulation spring force |
| CN104132115A (en) * | 2014-07-02 | 2014-11-05 | 中广联合移动电视系统有限公司 | Double-gear structure for antenna gear clearance compensation and communication on-the-move system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160912 Address after: 315181, Zhejiang Province, Ningbo, Yinzhou District Province town of Feng Feng Village Applicant after: Ningbo youo Machinery Co. Ltd. Address before: 315181, Zhejiang Province, Ningbo, Yinzhou District Province town of Feng Feng Village Applicant before: Ningbo, Yinzhou Bo Bo Machinery Factory (general partnership) |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |