CN203847662U - Combined impact-resistant gear - Google Patents
Combined impact-resistant gear Download PDFInfo
- Publication number
- CN203847662U CN203847662U CN201420206346.2U CN201420206346U CN203847662U CN 203847662 U CN203847662 U CN 203847662U CN 201420206346 U CN201420206346 U CN 201420206346U CN 203847662 U CN203847662 U CN 203847662U
- Authority
- CN
- China
- Prior art keywords
- gear
- inner sleeve
- combined impact
- elastomer
- external toothing
- 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 - Lifetime
Links
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000000806 elastomer Substances 0.000 claims description 19
- 238000005987 sulfurization reaction Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 244000227633 Ocotea pretiosa Species 0.000 description 3
- 235000004263 Ocotea pretiosa Nutrition 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model provides a combined impact-resistant gear which is used for solving the problem that impact force of an existing rigid gear of an integral structure is large in the meshing transmission process. The combined impact-resistant gear comprises an outer gear ring, an elastic body and an inner sleeve. The outer gear ring is provided with gear teeth. The elastic body is located between the outer gear ring and the inner sleeve. The outer gear ring is connected with the inner sleeve through the elastic body. The inner sleeve is provided with a key groove, and a gear shaft is mounted in the key groove in a matched mode. Through the combined impact-resistant gear, the stationarity of a gear transmission mechanism is obviously improved, and the service life of the gear is prolonged.
Description
Technical field
The utility model relates to a kind of gear, and especially a kind of Combined impact gear belongs to engineering element or component technology field.
Background technique
Gear transmission is one of the most frequently used mechanical drive mode, and it can be used to transmit motion and torque, changes the size and Orientation of rotating speed.Gear drive has following characteristics: can guarantee certain instantaneous transmission ratio, transmission accurately and reliably; Power and the velocity range transmitted are large; Transmission efficiency is high; Compact structure, long service life.Therefore, gear drive is used widely in fields such as lathe, automobile and engineering machinery.
As shown in accompanying drawing 1, Fig. 2, at present, gear as power transmitting elements on large-scale engineering machinery adopts rigid unitary formula structure gear 1 mostly, when two rigid unitary formula structure gear 1 engagement driving, in order to form lubricant film between intermeshing two gear tooth profiles, avoid expanding stuckly because of rub sassafras heating of the gear teeth, between intermeshing two gear tooth profiles, must leave gap, this gap is called as backlash j.But the existence of backlash j can make two meshed gears produce to be impacted, especially when gear transmission direction changes, between two meshed gears, can produce larger impact force, not only affect the stationarity of gear drive, but also shortened the working life of gear.
Model utility content
The purpose of this utility model is the drawback for prior art, and a kind of Combined impact gear that can improve gear drive stationarity, extend service life of gear is provided.
Problem described in the utility model realizes with following technical proposals:
A kind of Combined impact gear, it comprises external toothing, elastomer and inner sleeve, on described external toothing, the gear teeth is set, and described elastomer is between external toothing and inner sleeve, by elastomer, external toothing is connected with the inner sleeve, puts in described and be provided with the keyway equipped with gear shaft.
Combinations thereof formula shock resistance gear, described elastomer is rubber elastomer, it and external toothing and inner sleeve vulcanizing treatment are fixed together.
The utility model is connected with the inner sleeve external toothing by intermediate elastomeric, form a Combined impact gear with damping shock absorption function, when this Combined impact gear and traditional rigid unitary formula structure gear engagement driving, can absorb the impact force that two engagement gear teeth produce by elastomer on the one hand, can also avoid because of the gear teeth that backlash j deficiency the is brought stuck phenomenon that sassafras heating expands and cause of rubbing by elastomeric deformation on the other hand, therefore can make two engaging gears realize without sideshake (j is close to zero) coordinates, further improved the stationarity of gear drive, extended the working life of gear.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the plan view of traditional rigid unitary formula structure gear;
Fig. 2 is the sectional view of traditional rigid unitary formula structure gear;
Fig. 3 is traditional rigid unitary formula structure gear engagement schematic diagram;
Fig. 4 is A place structure enlarged view in Fig. 3;
Fig. 5 is plan view of the present utility model;
Fig. 6 is sectional view of the present utility model;
Fig. 7 is the utility model working state schematic representation;
Fig. 8 is B place structure enlarged view in Fig. 7.
In figure, each list of reference numerals is: 1, rigid unitary formula structure gear, 2, Combined impact gear, 2-1, external toothing, 2-1-1, the gear teeth, 2-2, elastomer, 2-3, inner sleeve, 2-3-1, keyway.
Embodiment
Referring to Fig. 5, Fig. 6, the utility model is a kind of Combined impact gear 2 that is applicable to large-scale engineering machinery power transmission system, it comprises external toothing 2-1, elastomer 2-3 and inner sleeve 2-2, on described external toothing 2-1, gear teeth 2-1-1 is set, described elastomer 2-2 is between external toothing 2-1 and inner sleeve 2-3, by elastomer 2-2, external toothing 2-1 and inner sleeve 2-3 are coupled together, described inner sleeve 2-3 is provided with the keyway 2-3-1 equipped with gear shaft.
Referring to Fig. 5, Fig. 6, a specific embodiment of the present utility model is that elastomer 2-2 adopts rubber material, and elastomer 2-2 and external toothing 2-1 and inner sleeve 2-3 are fixed together by vulcanizing treatment mode.
Referring to Fig. 5～Fig. 8, the utility model couples together external toothing 2-1 and inner sleeve 2-3 by intermediate elastomeric 2-2, form a Combined impact gear 2 with damping shock absorption function, when this Combined impact gear 2 is during with traditional rigid unitary formula structure gear 1 engagement driving, can absorb the impact force that two engagement gear teeth produce by elastomer 2-2 on the one hand, can also avoid because of the gear teeth that backlash j deficiency the is brought stuck phenomenon that sassafras heating expands and cause of rubbing by the deformation of elastomer 2-2 on the other hand, therefore can make two engaging gears realize without sideshake (j is close to zero) coordinates, further improved the stationarity of gear drive, extended the working life of gear.
Claims (2)
1. a Combined impact gear (2), it is characterized in that, it comprises external toothing (2-1), elastomer (2-3) and inner sleeve (2-2), the gear teeth (2-1-1) are set on described external toothing (2-1), described elastomer (2-2) is positioned between external toothing (2-1) and inner sleeve (2-3), by elastomer (2-2), external toothing (2-1) and inner sleeve (2-3) are coupled together, described inner sleeve (2-3) is provided with the keyway equipped with gear shaft (2-3-1).
2. a kind of Combined impact gear according to claim 1 (2), is characterized in that, described elastomer (2-2) is rubber elastomer, and it and external toothing (2-1) and inner sleeve (2-3) sulfuration are fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206346.2U CN203847662U (en) | 2014-04-25 | 2014-04-25 | Combined impact-resistant gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206346.2U CN203847662U (en) | 2014-04-25 | 2014-04-25 | Combined impact-resistant gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847662U true CN203847662U (en) | 2014-09-24 |
Family
ID=51560684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420206346.2U Expired - Lifetime CN203847662U (en) | 2014-04-25 | 2014-04-25 | Combined impact-resistant gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847662U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443724A (en) * | 2015-12-11 | 2016-03-30 | 湖南同晟精传技术有限公司 | Zero-backlash low-noise transmission gear |
| CN106286767A (en) * | 2015-06-25 | 2017-01-04 | 米巴烧结奥地利有限公司 | The device adjusted for the gapless of the teeth portion of the engagement of gear device |
| CN108054873A (en) * | 2017-12-05 | 2018-05-18 | 海信（山东）空调有限公司 | A kind of flexible connection gear and floor air conditioner |
-
2014
- 2014-04-25 CN CN201420206346.2U patent/CN203847662U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286767A (en) * | 2015-06-25 | 2017-01-04 | 米巴烧结奥地利有限公司 | The device adjusted for the gapless of the teeth portion of the engagement of gear device |
| CN105443724A (en) * | 2015-12-11 | 2016-03-30 | 湖南同晟精传技术有限公司 | Zero-backlash low-noise transmission gear |
| CN108054873A (en) * | 2017-12-05 | 2018-05-18 | 海信（山东）空调有限公司 | A kind of flexible connection gear and floor air conditioner |
| CN108054873B (en) * | 2017-12-05 | 2020-04-21 | 海信（山东）空调有限公司 | Flexible connection gear and vertical air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 054000 Julu County Industrial Park, Xingtai City, Hebei Province Patentee after: Huigong (Hebei) Machinery Group Co.,Ltd. Address before: 055250 Julu County Industrial Park, Xingtai City, Hebei Province Patentee before: HEIBEI HUIGONG MECHANICAL EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |