CN210068900U - Combined noise-reduction double gear - Google Patents
Combined noise-reduction double gear Download PDFInfo
- Publication number
- CN210068900U CN210068900U CN201920583537.3U CN201920583537U CN210068900U CN 210068900 U CN210068900 U CN 210068900U CN 201920583537 U CN201920583537 U CN 201920583537U CN 210068900 U CN210068900 U CN 210068900U
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- China
- Prior art keywords
- gear
- shaft
- teeth
- cogwheel
- arc
- 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
Links
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000009977 dual effect Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 26
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
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- Gears, Cams (AREA)
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a double gear of making an uproar falls in combination, including gear shaft, first gear, second gear, the middle part of first gear, second gear all is equipped with the shaft hole, the gear shaft passes the shaft hole and links to each other with first gear and second gear, the gear shaft includes oil inlet, oil-out, oil storage tank, be equipped with the first teeth of a cogwheel that evenly encircles and protrusion in the arc lug on gear surface on the first gear, be equipped with the second teeth of a cogwheel that evenly encircles and the arc recess corresponding with the arc lug on the second gear, all be equipped with the opening on the first teeth of a cogwheel and the first teeth of a cogwheel, the beneficial effects of the utility model are that: lubricating oil is continuously supplied to the contact surface of the gear shaft and the gear through the oil storage groove, so that the lubrication of the contact surface is ensured, the noise generated due to contact friction between the gear shaft and the gear is reduced, and the noise generated due to contact between the gear and the gear is reduced.
Description
Technical Field
The utility model belongs to the gear field, concretely relates to double gear of making an uproar falls in combination.
Background
Gears, which are one of the most common mechanical parts, are commonly used in mechanical devices. Current gear is mostly whole casting rethread finish machining preparation completion, and the product is whole metal construction. Therefore, when the gears are operated, great noise is generated in the vibration of the gears and the meshing friction between the gears. Particularly, under the condition that two gears are required to work in a combined mode, the generated noise is larger, the noise is serious in an area with strict requirements on the noise, along with the improvement of living standard of people, people put forward higher requirements on mechanical quiet noise reduction, and particularly in an enclosed space such as an automobile, the noise reduction and the shock absorption of the transmission gears are required to be effectively carried out, so that the driving feeling and the riding feeling of a user are improved.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes among the above-mentioned background art, the utility model provides a following technical scheme: the utility model provides a double gear of making an uproar falls in combination, includes gear shaft, first gear, second gear, the middle part of first gear, second gear all is equipped with the shaft hole, the gear shaft passes the shaft hole and links to each other with first gear and second gear, the gear shaft is equipped with oil inlet, oil storage tank, oil-out from a left side in proper order, be equipped with the first teeth of a cogwheel that evenly encircle and the arc lug of protrusion in the gear surface on the first gear, be equipped with the second teeth of a cogwheel that evenly encircle and the arc recess corresponding with the arc lug on the second gear, all be equipped with the opening on the first teeth of a cogwheel and the second teeth of a cogwheel.
Preferably, a layer of magnet is arranged on the inner side wall of the arc-shaped groove.
Preferably, a filter screen is arranged at the pipe orifice of the oil outlet.
Preferably, a sealing plug is arranged at the oil inlet.
Preferably, the gear shaft is further provided with a toothed key, and the first gear and the second gear are provided with corresponding key slots.
Preferably, the inner side walls of the two sides of the key groove are provided with elastic cushions.
Preferably, the first gear and the second gear are both provided with heat dissipation through holes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. lubricating oil is continuously supplied to the contact surface of the gear shaft and the gear through the oil storage groove, so that the lubrication of the contact surface is ensured, and the noise generated between the gear shaft and the gear due to contact friction is reduced.
2. The utility model discloses a be equipped with the opening on the teeth of a cogwheel for every gear, reduced the gear at the during operation, the noise that the meshing friction in-process produced between its gear and another gear.
Drawings
FIG. 1 is a side view of the gear shaft and two gears of the present invention;
fig. 2 is a schematic structural view of a gear shaft of the present invention;
fig. 3 is a schematic structural diagram of the first gear of the present invention;
fig. 4 is a schematic structural view of a second gear of the present invention;
FIG. 5 is a structural view of the gear shaft with the toothed key and the gear with the key groove of the present invention;
fig. 6 is the structure diagram of the gear shaft of the present invention with the tooth key:
in the figure: 1. a gear shaft; 2. a first gear; 3. a second gear; 4. a shaft hole; 5. an oil inlet; 6. an oil storage tank; 7. an oil outlet; 8. an arc-shaped bump; 9. an arc-shaped groove; 10. an opening part; 11. a magnet; 12. filtering with a screen; 13. a sealing plug; 14. a first gear tooth; 15. a second gear tooth; 16. a toothed key; 17. a keyway; 18. an elastic cushion; 19. and the heat dissipation through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a combined noise reduction dual gear comprises a gear shaft 1, a first gear 2 and a second gear 3, wherein a shaft hole 4 is formed in the middle of each of the first gear 2 and the second gear 3, the gear shaft 1 passes through the shaft hole 4 and is connected with the first gear 2 and the second gear 3, the first gear 2 and the second gear 3 are combined together to work, an arc-shaped projection 8 protruding out of the surface of the gear is arranged on one surface of the first gear 2, an arc-shaped groove 9 matched with the arc-shaped projection 8 in size is arranged on the opposite surface of the second gear 3, the arc-shaped projection 8 on the surface of the first gear 2 is clamped with the arc-shaped groove 9 on the surface of the second gear 3, so that the two gears can rotate and stop simultaneously, and for the purpose of clamping is more convenient and firm, a magnet 11 is arranged on the inner wall of the arc-shaped groove 9, the magnet 11 is a magnet 11, fixedly embedded in the inner wall of the arc-shaped groove 9, when two gears are clamped by the arc-shaped convex block 8 and the groove, the clamping can be calibrated more quickly, meanwhile, the clamping of the arc-shaped convex block 8 and the arc-shaped groove 9 is firmer, the outer circumferences of the two gears are both provided with gear teeth, the gear teeth in the embodiment are provided with an opening part 10, the opening part 10 can be square or in any other opening shape, the opening part 10 plays a role that when the gear teeth on the gear are meshed with the gear teeth on the other gear, the two sides of the gear teeth can contract inwards to generate elastic deformation, so that part of force transmitted from the other gear teeth is counteracted, the impact force between the two is reduced, the noise generated by the impact between the two gears is reduced, the effect of reducing the noise is achieved, and the gear shaft 1 connected with the two gears is provided with the oil inlet 5, An oil outlet 7 and an oil storage tank 6, wherein the oil inlet 5 is arranged at the upper left part of the gear shaft 1, the oil inlet 5 is communicated with the oil storage tank 6 inside the gear shaft 1 through a pipeline, a sealing plug 13 is arranged at the position of the oil inlet 5, the oil storage tank 6 is communicated with the oil outlet 7 through a pipeline, two oil outlets 7 are arranged and are respectively contacted with the shaft hole 4 of the first gear 2 and the shaft hole 4 of the second gear 3, lubricating oil is provided for the contact surface of the gear shaft 1 and the two shaft holes 4, the smoothness of the contact surface is ensured, the gear is prevented from generating larger noise when rotating on the gear shaft 1 due to the abrasion or the unevenness of the contact surface, a filter screen 12 is also arranged at the pipe orifice of the oil outlet 7, the filter screen 12 is of a net-shaped structure, hard sundries in the lubricating agent are prevented from flowing into the gear shaft 1, the gear teeth are damaged, so that the lubricant can uniformly flow to the contact surfaces of the gear shaft 1 and the shaft hole 4. The beneficial effect of this embodiment is: 1. lubricating oil is continuously supplied to the contact surface of the gear shaft and the gear through the oil storage groove, so that the lubrication of the contact surface is ensured, and the noise generated between the gear shaft and the gear due to contact friction is reduced. 2. The utility model discloses a be equipped with the opening on the teeth of a cogwheel for every gear, reduced the gear at the during operation, the noise that the meshing friction in-process produced between its gear and another gear.
Example 2
As shown in fig. 5-6, a combined noise reduction dual gear comprises a gear shaft 1, a first gear 2 and a second gear 3, wherein a shaft hole 4 is formed in the middle of each of the first gear 2 and the second gear 3, the gear shaft 1 passes through the shaft hole 4 and is connected with the first gear 2 and the second gear 3, the first gear 2 and the second gear 3 are combined together to work, an arc-shaped projection 8 protruding out of the surface of the gear is arranged on one surface of the first gear 2, an arc-shaped groove 9 matched with the arc-shaped projection 8 in size is arranged on the opposite surface of the second gear 3, the arc-shaped projection 8 on the surface of the first gear 2 is clamped with the arc-shaped groove 9 on the surface of the second gear 3, so that the two gears can rotate and stop simultaneously, and for the purpose of clamping connection is more convenient and firm, a magnet 11 is arranged on the inner wall of the arc-shaped groove 9, the magnet 11 is a magnet 11, fixedly embedded on the inner wall of the arc-shaped groove 9, when two gears are clamped with the groove through the arc-shaped convex block 8, the clamping can be calibrated more quickly, meanwhile, the clamping of the arc-shaped convex block 8 and the arc-shaped groove 9 is firmer, gear teeth are arranged on the circumferences of the outer sides of the two gears, an opening part 10 is arranged on each gear tooth, an oil inlet 5, an oil outlet 7 and an oil storage tank 6 are arranged on a gear shaft 1 connected with the two gears, the difference between the embodiment and the embodiment 1 is that a tooth key 16 is fixedly arranged on the gear shaft 1, a key groove 17 corresponding to the tooth key 16 is arranged on a shaft hole 4 on the two gears, the tooth key 16 is inserted into the key groove 17, the gear shaft 1 drives the gears to rotate, elastic cushions 18 are arranged at the two ends of the inner side of the key groove 17, the existence of a gap can be avoided, the tooth key 16 directly, the impact force can be reduced, the noise generated by the impact force is reduced, and the surfaces of the first gear and the second gear are also provided with heat dissipation through holes. The utility model has the advantages that: through be equipped with the elasticity cushion in the keyway, reduce the impact between tooth key and the keyway to the noise has been reduced.
Claims (7)
1. A combined noise reduction double gear is characterized in that: including gear shaft (1), first gear (2), second gear (3), the middle part of first gear (2), second gear (3) all is equipped with shaft hole (4), gear shaft (1) passes shaft hole (4) and links to each other with first gear (2) and second gear (3), gear shaft (1) is equipped with oil inlet (5), oil storage tank (6), oil-out (7) from a left side in proper order, be equipped with first teeth of a cogwheel (14) that evenly encircle and protrusion in arc lug (8) on gear surface on first gear (2), be equipped with second teeth of a cogwheel (15) that evenly encircle and arc recess (9) corresponding with arc lug (8) on second gear (3), all be equipped with opening (10) on first teeth of a cogwheel (14) and the second teeth of a cogwheel (15).
2. A combined noise reducing dual gear according to claim 1 wherein: and a layer of magnet (11) is arranged on the inner side wall of the arc-shaped groove (9).
3. A combined noise reducing dual gear according to claim 2 wherein: a filter screen (12) is arranged at the pipe orifice of the oil outlet (7).
4. A combined noise reducing dual gear according to claim 3 wherein: and a sealing plug (13) is arranged at the oil inlet (5).
5. A combined noise reducing dual gear according to claim 4 wherein: the gear shaft (1) is further provided with a toothed key (16), and the first gear (2) and the second gear (3) are provided with corresponding key grooves (17).
6. A combined noise reducing dual gear according to claim 5, wherein: and the inner side walls of the two sides of the key groove (17) are provided with elastic soft pads (18).
7. A combined noise reducing dual gear according to claim 6 wherein: and the first gear (2) and the second gear (3) are both provided with heat dissipation through holes (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583537.3U CN210068900U (en) | 2019-04-26 | 2019-04-26 | Combined noise-reduction double gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583537.3U CN210068900U (en) | 2019-04-26 | 2019-04-26 | Combined noise-reduction double gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068900U true CN210068900U (en) | 2020-02-14 |
Family
ID=69449265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583537.3U Expired - Fee Related CN210068900U (en) | 2019-04-26 | 2019-04-26 | Combined noise-reduction double gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117141580A (en) * | 2023-10-31 | 2023-12-01 | 万向智造有限公司 | Vehicle steering knuckle and vehicle |
-
2019
- 2019-04-26 CN CN201920583537.3U patent/CN210068900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117141580A (en) * | 2023-10-31 | 2023-12-01 | 万向智造有限公司 | Vehicle steering knuckle and vehicle |
| CN117141580B (en) * | 2023-10-31 | 2024-01-26 | 万向智造有限公司 | Vehicle steering knuckle and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 |