CN105840774A - Backlash-free gear - Google Patents
Backlash-free gear Download PDFInfo
- Publication number
- CN105840774A CN105840774A CN201610340283.3A CN201610340283A CN105840774A CN 105840774 A CN105840774 A CN 105840774A CN 201610340283 A CN201610340283 A CN 201610340283A CN 105840774 A CN105840774 A CN 105840774A
- Authority
- CN
- China
- Prior art keywords
- gear
- ring
- groove
- pin
- hole
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention provides a backlash-free gear which comprises a gear body, a gear single piece, a clamping spring and a shaft check ring. A groove is formed in one side of the gear body. A first cylindrical pin is arranged in the groove. The clamping spring is arranged on one side of the groove. The clamping spring comprises a non-closed ring body. A first pin hole is formed in the portion of one end of the ring body, and a second pin hole is formed in the portion of the other end of the ring body. The gear single piece is arranged on one side of the clamping spring. A second cylindrical pin is arranged on the gear single piece. A check ring groove is formed in the gear single piece. The shaft check ring is arranged in the check ring groove. Bolt holes are formed in the positions, opposite to the gear single piece, of the gear body. Hexagon socket screws are arranged in the bolt holes. The clamping spring is of a closed pin hole structure, simple assembly of the backlash-free gear is ensured, excessive adjustment is avoided, thus, the assembling time is shortened, the assembling difficulty is lowered, the cost is saved, and it can be ensured that the purposes of noise reduction and environmental protection of the gear are achieved when an engine works. The backlash-free gear has the beneficial effects of being simple in structure, high in reliability, good in assembling ability and the like.
Description
Technical field
The invention belongs to engine gear technical field, especially relate to a kind of anti backlash gear.
Background technology
Within the engine, engaging between gear and gear is used to transmit power and moment of torsion, gear and tooth
Engagement normal conditions between wheel are for there being sideshake to engage, and this engagement can cause whole engine noise bigger.
It addition, existing anti backlash gear is by gear, monolithic gear, straight pin, stage clip, disc spring, axle
Assemble with back-up ring etc., there is the technical problems such as volume is big, assembly technology is complicated.And, in processing
When gear, monolithic gear, the course of processing is the most complicated, cost is high, uses the stage clip of cylindricality to adjust
, there is structure complexity, the shortcoming of poor reliability in joint gear and the magnitude of misalignment of monolithic gear.
Summary of the invention
In view of this, it is contemplated that propose a kind of anti backlash gear, the most cost-effective also ensure that gear exists
The effect of noise reduction environmental protection is reached during electromotor work.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
A kind of anti backlash gear, including gear body, gear monolithic, jump ring and shaft block ring, described
The side of gear body is provided with groove, is provided with the first straight pin in described groove, in described groove side
Being provided with described jump ring, described jump ring includes the ring body of non-closed, is provided with in the end of described ring body one end
One pin-and-hole, is provided with the second pin-and-hole in the end of the described ring body other end, and the side of described jump ring is provided with described
Gear monolithic, is provided with the second straight pin on described gear monolithic, is provided with back-up ring in described gear monolithic
Groove, is provided with described shaft block ring in described circlip groove, the phase in described gear body and gear monolithic
Position is equipped with bolt hole, in described bolt hole, is provided with hexagon socket head cap screw.
Further, described ring body includes bending segment, the first straightway and the second straightway, described bending
One end of section is connected with described first straightway, and the other end of described bending segment is with described second straightway even
Connecing, described first straightway, bending segment and the second straightway are one-body molded.
Further, described ring body is formed by spring steel cutting.
Further, described first pin-and-hole and the second pin-and-hole are closed pin-and-hole.
Relative to prior art, anti backlash gear of the present invention has the advantage that jump ring uses envelope
Enclosed pin-and-hole structure, it is ensured that anti backlash gear assembling simplicity, and need not too much adjust, thus reduce
Installation time and difficulty, the most cost-effective mesh also ensuring that gear reaches noise reduction environmental protection when electromotor works
's；There is the advantages such as simple in construction, reliability is high, assembling capacity is good.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, the present invention's
Schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.?
In accompanying drawing:
Fig. 1 is that structural representation is partly cutd open in the side-looking of the present invention；
Fig. 2 is the Fig. 1 sectional view along A-A direction；
Fig. 3 is the assembly assembling schematic diagram of the present invention；
Fig. 4 is the mesh schematic representation of the present invention；
The enlarged drawing in Tu5Shi Tu4Zhong I district；
Fig. 6 is the structural representation of jump ring in the present invention.
Description of reference numerals:
1-gear monolithic；2-gear body；3-shaft block ring；4-jump ring；5-the second straight pin；In 6-
Hex bolts；7-the first straight pin；8-bolt hole；9-circlip groove；10-the first pin-and-hole；11-second sells
Hole；12-groove；13-bending segment；14-driven gear；15-driving gear；16-gear monolithic is non-to be nibbled
Conjunction face；The engaged face of 17-gear body；The 18-actively field of conjugate action；The non-field of conjugate action of 19-driving gear；
20-the first straightway；21-the second straightway.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the spy in embodiment
Levy and can be mutually combined.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ",
On " ", D score, "front", "rear", "left", "right", " vertically ", " level ",
" push up ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be for based on shown in accompanying drawing
Orientation or position relationship, be for only for ease of the description present invention and simplifying and describe rather than instruction or dark
Show that device or the element of indication must have specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.Additionally, term " first ", " second " etc. are only used for describing
Purpose, and it is not intended that instruction or hint relative importance or implicit indicate indicated technical characteristic
Quantity.Thus, the feature defining " first ", " second " etc. can be expressed or impliedly wrap
Include one or more this feature.In describing the invention, except as otherwise noted, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term
" install ", " being connected ", " connection " should be interpreted broadly, and connect, also for example, it may be fixing
Can be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.
For the ordinary skill in the art, can understand that above-mentioned term is in the present invention by concrete condition
In concrete meaning.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of anti backlash gear, including gear body 2, gear monolithic 1, jump ring 4 and shaft block ring 3,
It is provided with groove 12 in the side of described gear body 2, in described groove 12, is provided with the first straight pin 7,
Being provided with described jump ring 4 in described groove 12 side, described jump ring 4 includes the ring body of non-closed, described
The end of ring body one end is provided with the first pin-and-hole 10, is provided with the second pin-and-hole in the end of the described ring body other end
11, described first pin-and-hole 10 and the second pin-and-hole 11 are closed pin-and-hole, and the side of described jump ring 4 sets
There is described gear monolithic 1, described gear monolithic 1 is provided with the second straight pin 5, at described gear list
It is provided with circlip groove 9 in sheet 1, in described circlip groove 9, is provided with described shaft block ring 3, at described gear
Relative position in main body 2 and gear monolithic 1 is equipped with bolt hole 8, sets in described bolt hole 8
There is hexagon socket head cap screw 6.
Described ring body includes bending segment the 13, first straightway 20 and the second straightway 21, described bending segment
One end of 13 is connected with described first straightway 20, and the other end of described bending segment 13 is second straight with described
Line segment 21 connects, and described first straightway 20, bending segment 13 and the second straightway 21 are one-body molded,
Described ring body is formed by spring steel cutting.
When this anti backlash gear is installed, first the first pin-and-hole 10 of jump ring 4 is inserted in gear body 2
In first straight pin 7, then the gear monolithic 1 being pressed into the second straight pin 5 is buckled in gear body 2,
Now swing pinion monolithic 1 makes the second straight pin 5 fall in the second pin-and-hole 11 of jump ring 4, completes nothing
The assembling of sideshake gear, it is ensured that assembling simplicity, and need not too much adjust, thus reduce installation time
And difficulty.
This anti backlash gear work process is: be driven gear when this anti backlash gear engages between gear pair
14, when the engine operates, driving gear 15 engages with this anti backlash gear, first driving gear 15
The active field of conjugate action 18 first engage with the engaged face 17 of the gear body of this anti backlash gear, tooth subsequently
The wheel non-field of conjugate action of monolithic 16 field of conjugate action non-with driving gear 19 engages, thus realizes without sideshake transmission.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, should be included in
Within protection scope of the present invention.
Claims (4)
1. an anti backlash gear, it is characterized in that: include gear body, gear monolithic, jump ring and shaft block ring, it is provided with groove in the side of described gear body, the first straight pin it is provided with in described groove, it is provided with described jump ring in described groove side, described jump ring includes the ring body of non-closed, it is provided with the first pin-and-hole in the end of described ring body one end, it is provided with the second pin-and-hole in the end of the described ring body other end, the side of described jump ring is provided with described gear monolithic, described gear monolithic is provided with the second straight pin, it is provided with circlip groove in described gear monolithic, described shaft block ring it is provided with in described circlip groove, relative position in described gear body and gear monolithic is equipped with bolt hole, it is provided with hexagon socket head cap screw in described bolt hole.
A kind of anti backlash gear the most according to claim 1, it is characterized in that: described ring body includes bending segment, the first straightway and the second straightway, one end of described bending segment is connected with described first straightway, the other end of described bending segment is connected with described second straightway, and described first straightway, bending segment and the second straightway are one-body molded.
A kind of anti backlash gear the most according to claim 1 and 2, it is characterised in that: described ring body is formed by spring steel cutting.
A kind of anti backlash gear the most according to claim 3, it is characterised in that: described first pin-and-hole and the second pin-and-hole are closed pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340283.3A CN105840774A (en) | 2016-05-20 | 2016-05-20 | Backlash-free gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340283.3A CN105840774A (en) | 2016-05-20 | 2016-05-20 | Backlash-free gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105840774A true CN105840774A (en) | 2016-08-10 |
Family
ID=56592983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610340283.3A Pending CN105840774A (en) | 2016-05-20 | 2016-05-20 | Backlash-free gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105840774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019075930A1 (en) * | 2017-10-19 | 2019-04-25 | 常州机电职业技术学院 | Helical gear having gap-eliminating device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020121152A1 (en) * | 2001-03-05 | 2002-09-05 | White David C. | Phased gear set comprised of a pair of phased gears |
| CN202418492U (en) * | 2011-12-22 | 2012-09-05 | 江铃汽车股份有限公司 | No-backlash gear |
| CN202468907U (en) * | 2012-02-20 | 2012-10-03 | 中国电子科技集团公司第二十一研究所 | Ultrathin gear pair without backlash in circular tooth |
| CN202690961U (en) * | 2012-08-01 | 2013-01-23 | 贵州群建精密机械有限公司 | Gear without backlash |
| WO2013088421A2 (en) * | 2011-12-15 | 2013-06-20 | Vcst Industrial Products | Anti-rattle gear, gear train provided with such anti-rattle gear, and engine provided with such gear train |
| CN204025605U (en) * | 2014-07-11 | 2014-12-17 | 上海汽车变速器有限公司 | Eliminate the pinion mechanism of gear backlash |
| CN205780715U (en) * | 2016-05-20 | 2016-12-07 | 天津泰威齿轮有限公司 | A kind of anti backlash gear |
-
2016
- 2016-05-20 CN CN201610340283.3A patent/CN105840774A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020121152A1 (en) * | 2001-03-05 | 2002-09-05 | White David C. | Phased gear set comprised of a pair of phased gears |
| WO2013088421A2 (en) * | 2011-12-15 | 2013-06-20 | Vcst Industrial Products | Anti-rattle gear, gear train provided with such anti-rattle gear, and engine provided with such gear train |
| CN202418492U (en) * | 2011-12-22 | 2012-09-05 | 江铃汽车股份有限公司 | No-backlash gear |
| CN202468907U (en) * | 2012-02-20 | 2012-10-03 | 中国电子科技集团公司第二十一研究所 | Ultrathin gear pair without backlash in circular tooth |
| CN202690961U (en) * | 2012-08-01 | 2013-01-23 | 贵州群建精密机械有限公司 | Gear without backlash |
| CN204025605U (en) * | 2014-07-11 | 2014-12-17 | 上海汽车变速器有限公司 | Eliminate the pinion mechanism of gear backlash |
| CN205780715U (en) * | 2016-05-20 | 2016-12-07 | 天津泰威齿轮有限公司 | A kind of anti backlash gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019075930A1 (en) * | 2017-10-19 | 2019-04-25 | 常州机电职业技术学院 | Helical gear having gap-eliminating device |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |