CN209587085U - A kind of reverse gear - Google Patents
A kind of reverse gear Download PDFInfo
- Publication number
- CN209587085U CN209587085U CN201920156483.2U CN201920156483U CN209587085U CN 209587085 U CN209587085 U CN 209587085U CN 201920156483 U CN201920156483 U CN 201920156483U CN 209587085 U CN209587085 U CN 209587085U
- Authority
- CN
- China
- Prior art keywords
- hole
- wheel
- shaft hole
- axle portion
- wheel axle
- 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
- 150000002739 metals Chemical group 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 26
- 210000000515 tooth Anatomy 0.000 description 20
- 239000003921 oil Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of reverse gears, it is intended to provide a kind of wear-resistant, the reverse gear of long service life and stable structure, its key points of the technical solution are that a kind of reverse gear, including wheel teeth portion and wheel axle portion, wheel axle portion is placed in the center of wheel teeth portion, and it takes turns teeth portion and is placed on wherein one end of wheel axle portion, the wheel axle portion includes the first shaft hole being connected and the second axis hole, first shaft hole is placed in one end far from wheel teeth portion in wheel axle portion, the tapered structure of the hole wall of first shaft hole, the hole wall cone angle of first shaft hole is 2-4 degree, internal spline is equipped in first shaft hole and the second axis hole, oil storage tank is equipped between first shaft hole and the second axis hole, porous metals ring is equipped in oil storage tank, porous metals ring is equipped with several microcellular structures, the utility model is suitable for technical field of automobile accessories.
Description
Technical field
The utility model relates to a kind of technical field of automobile accessories, more specifically, it relates to a kind of reverse gear.
Background technique
Speed changer is the important spare part of automobile, it can change the transmission ratio of automobile engine power output, expands and drives
The variation range of driving wheel torque and revolving speed makes engine work under advantageous operating condition to adapt to the driving conditions often changed；
In the constant situation of hand engine rotation, automobile is enable to fall back traveling；Using neutral gear, power transmitting is interrupted, to start function
Enough startings, speed change, and convenient for shift of transmission or power output is carried out, its function mainly passes through multiple and different gears and engages
Come what is realized.
Reverse gear, which is cooperated by gear with transmission shaft, passes out torque, and traditional reverse gear engages with transmission shaft
When, the mating surface between reverse gear and transmission shaft is easy to produce abrasion, and fiting effect is poor, to influence transmission stability.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of wear-resistant, long service life
And the reverse gear of stable structure.
To achieve the above object, the utility model provides following technical solution: a kind of reverse gear, including wheel teeth portion and
Axle portion is taken turns, wheel axle portion is placed in the center of wheel teeth portion, and takes turns teeth portion and be placed on wherein one end of wheel axle portion, it is characterized in that: the wheel
Axle portion includes the first shaft hole being connected and the second axis hole, and first shaft hole, which is placed in, takes turns separate one end for taking turns teeth portion in axle portion, and first
The tapered structure of the hole wall of axis hole, the hole wall cone angle of first shaft hole are 2-4 degree, are equipped with interior flower in first shaft hole and the second axis hole
Key is equipped with oil storage tank, is equipped with porous metals ring in oil storage tank, if porous metals ring is equipped between first shaft hole and the second axis hole
Dry microcellular structure.
By using above-mentioned technical proposal, the tapered structure of the hole wall of first shaft hole, i.e., the aperture of first shaft hole is by close
One end of second axis hole to one end far from the second axis hole in being gradually reduced, transmission shaft with when taking turns axle portion and connecting, transmission shaft and the
One axis hole can be locked gradually, improve the being completely embedded property of transmission shaft and first shaft hole, the i.e. connection of raising transmission shaft and wheel axle portion
Stability, due to first shaft hole hole wall cone angle less than 2 degree when, the locking effect that the second axis hole plays is unobvious, if first axle
When the hole wall cone angle in hole is greater than 4 degree, then resistance between the second axis hole and transmission shaft increases, it is difficult to engage, it is advantageous to be the
The hole wall cone angle of one axis hole is 2-4 degree, and internal spline plays the role of circumferentially limiting between wheel axle portion and transmission shaft；Porous metals
Ring can be multiple ring valve structures, can be spliced into ring structure, more convenient for the engaging of porous metals ring to be installed in oil storage tank
The multi-pore structure of mesoporous metal ring makes have good oil storage characteristic after its immersion oil, and when installing or in use, porous metals ring
Lubricating oil can slowly ooze out, in transmission shaft and the snap-fitting process of wheel axle portion, reduce transmission shaft and first shaft hole or second
Abrasion between axis hole extends service life, and also can play guarantor to transmission shaft surface and internal spline surface in transmission process
Shield effect.
The utility model is further arranged to: the aperture end face of the first shaft hole is equipped with the first locating groove and second
Locating groove, the first locating groove and the second locating groove are parallel and shift to install, and the aperture end face of the second axis hole is equipped with the
Three locating grooves and the 4th locating groove, third locating groove and the 4th locating groove are parallel and shift to install.
By using above-mentioned technical proposal, the first locating groove, the second locating groove, third locating groove and the 4th positioning
Card slot drives adjacent gear rotation, and since the first locating groove and the second locating groove are parallel for engaging with adjacent gear
And shift to install, third locating groove and the 4th locating groove are parallel and shift to install, and stressed effect is more preferable, then engages effect more
It is well more stable.
The utility model is further arranged to: the wheel teeth portion side is additionally provided with the reinforcement part connecting with wheel axle portion outer wall,
The periphery wall of reinforcement part connect with wheel teeth portion side wall by the first arcwall, and the side wall of reinforcement part passes through the with axle portion periphery wall is taken turns
The connection of two arcwalls.
By using above-mentioned technical proposal, reinforcement part can increase wheel teeth portion and take turns the bonding strength between axle portion, and first
Arcwall can disperse reinforcement part periphery wall and take turns the stress between teeth portion side wall, and the second arcwall can disperse the side of reinforcement part
Stress between wall and wheel axle portion periphery wall, to improve the structural strength of reverse gear entirety.
The utility model is further arranged to: the internal spline includes several key teeths equidistantly arranged along wheel axle portion inner wall,
Key teeth two sides are equipped with along female splined shaft to the oil duct of setting.
By using above-mentioned technical proposal, oil duct reduces outer interannular and internal spline on transmission shaft for filling lubricating grease
The abrasion generated when engaging, improves service life.
The utility model is further arranged to: the porous metals ring is sintered by metal powder by powder metallurgic method
At.
By using above-mentioned technical proposal, metal powder can be selected iron-based or Cu-base powder, in sintering process, self-lubricating
Bushing pore-size can be controlled, therefore can form microcellular structure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of reverse gear embodiment of the utility model.
Fig. 2 is a kind of present invention looks up structural representation of reverse gear implementation example figure 1 of the utility model.
Fig. 3 is a kind of overlooking structure diagram of reverse gear implementation example figure 1 of the utility model.
Specific embodiment
It is described further referring to figs. 1 to a kind of reverse gear embodiment of 3 pairs of the utility model.
A kind of reverse gear, including wheel teeth portion 1 and wheel axle portion 2, wheel axle portion 2 are placed in the center of wheel teeth portion 1, and take turns teeth portion 1
It is placed on wherein one end of wheel axle portion 2, it is characterized in that: the wheel axle portion 2 includes the first shaft hole 3 being connected and the second axis hole 4,
First shaft hole 3 is placed in wheel axle portion 2 far from the one end for taking turns teeth portion 1, the tapered structure of the hole wall of first shaft hole 3, first shaft hole 3
Hole wall cone angle A is 2-4 degree, internal spline is equipped in first shaft hole 3 and the second axis hole 4, between first shaft hole 3 and the second axis hole 4
Equipped with oil storage tank, porous metals ring 5 is equipped in oil storage tank, porous metals ring 5 is equipped with several microcellular structures.
By using above-mentioned technical proposal, the tapered structure of the hole wall of first shaft hole 3, i.e., the aperture of first shaft hole 3 is by leaning on
One end of nearly second axis hole 4 is in be gradually reduced to one end far from the second axis hole 4, when transmission shaft is connect with wheel axle portion 2, transmission shaft
It can gradually be locked with first shaft hole 3, improve the being completely embedded property of transmission shaft and first shaft hole 3, is i.e. raising transmission shaft and wheel axle portion 2
Connective stability, due to first shaft hole 3 hole wall cone angle A less than 2 degree when, the locking effect that the second axis hole 4 plays is unknown
Aobvious, if the hole wall cone angle A of first shaft hole 3 is greater than 4 degree, the resistance between the second axis hole 4 and transmission shaft increases, it is difficult to block
It closes, is 2-4 degree it is advantageous to the hole wall cone angle A for first shaft hole 3, internal spline plays circumferential direction between wheel axle portion 2 and transmission shaft
The effect of limit；Porous metals ring 5 can be multiple ring valve structures, can be spliced into ring structure, be convenient for porous metals ring 5
Engaging is installed in oil storage tank, the multi-pore structure of porous metals ring 5, has good oil storage characteristic after making its immersion oil, and pacify
When dress or in use, the lubricating oil of porous metals ring 5 can slowly ooze out, in transmission shaft and the snap-fitting process of wheel axle portion 2, drop
Abrasion between underneath drive axis and first shaft hole 3 or the second axis hole 4 extends service life, and also can be to biography in transmission process
Moving axis surface and internal spline surface play a protective role.
The utility model is further arranged to: it is fixed that the aperture end face of first shaft hole 3 is equipped with the first locating groove 6 and second
Position card slot 7, the first locating groove 6 is parallel with the second locating groove 7 and shifts to install, and the aperture end face of the second axis hole 4 is equipped with
Third locating groove 8 and the 4th locating groove 9, third locating groove 8 is parallel with the 4th locating groove 9 and shifts to install.
By using above-mentioned technical proposal, the first locating groove 6, the second locating groove 7, third locating groove 8 and the 4th
Locating groove 9 drives adjacent gear rotation, and due to the first locating groove 6 and the second positioning card for engaging with adjacent gear
Slot 7 is parallel and shifts to install, and third locating groove 8 is parallel with the 4th locating groove 9 and shifts to install, and stressed effect is more preferable, then
It is more preferably more stable to engage effect.
The utility model is further arranged to: wheel 1 side of teeth portion is additionally provided with the reinforcement connecting with wheel 2 outer wall of axle portion
The periphery wall in portion 10, reinforcement part 10 is connect with wheel 1 side wall of teeth portion by the first arcwall 11, the side wall and wheel axle portion of reinforcement part 10
2 periphery walls are connected by the second arcwall 12.
By using above-mentioned technical proposal, reinforcement part 10 can increase wheel teeth portion 1 and take turns the bonding strength between axle portion 2,
First arcwall 11 can disperse 10 periphery wall of reinforcement part and take turns the stress between 1 side wall of teeth portion, and the second arcwall 12 can divide
The stress between the side wall of reinforcement part 10 and wheel 2 periphery wall of axle portion is dissipated, to improve the structural strength of reverse gear entirety.
The utility model is further arranged to: the internal spline includes several key teeths equidistantly arranged along wheel 2 inner wall of axle portion
13,13 two sides of key teeth are equipped with along female splined shaft to the oil duct 14 of setting.
By using above-mentioned technical proposal, oil duct 14 reduces outer interannular and interior flower on transmission shaft for filling lubricating grease
The abrasion that key generates when engaging, improves service life.
The utility model is further arranged to: the porous metals ring 5 is sintered by metal powder by powder metallurgic method
At.
By using above-mentioned technical proposal, metal powder can be selected iron-based or Cu-base powder, in sintering process, porous gold
Belonging to 5 pore-size of ring can be controlled, therefore can form microcellular structure.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field
Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model
It protects in range.
Claims (5)
1. a kind of reverse gear, including wheel teeth portion (1) and wheel axle portion (2), wheel axle portion (2) is placed in the center of wheel teeth portion (1), and takes turns
Teeth portion (1) is placed on wherein one end of wheel axle portion (2), it is characterized in that: the wheel axle portion (2) includes the first shaft hole being connected
(3) and the second axis hole (4), first shaft hole (3) are placed in one end far from wheel teeth portion (1) in wheel axle portion (2), first shaft hole (3)
The tapered structure of hole wall, the hole wall cone angle of first shaft hole (3) are 2-4 degree, are equipped in first shaft hole (3) and the second axis hole (4)
Internal spline is equipped with oil storage tank, is equipped with porous metals ring (5) in oil storage tank between first shaft hole (3) and the second axis hole (4), porous
Becket (5) is equipped with several microcellular structures.
2. a kind of reverse gear according to claim 1, it is characterized in that: being set on the aperture end face of the first shaft hole (3)
There are the first locating groove (6) and the second locating groove (7), the first locating groove (6) is parallel with the second locating groove (7) and misplaces
The aperture end face of setting, the second axis hole (4) is equipped with third locating groove (8) and the 4th locating groove (9), third locating groove
(8) parallel with the 4th locating groove (9) and shift to install.
3. a kind of reverse gear according to claim 1, it is characterized in that: wheel teeth portion (1) side is additionally provided with and wheel shaft
The reinforcement part (10) of portion's (2) outer wall connection, the periphery wall and wheel teeth portion (1) side wall of reinforcement part (10) pass through the first arcwall (11)
The side wall of connection, reinforcement part (10) is connect with wheel axle portion (2) periphery wall by the second arcwall (12).
4. a kind of reverse gear according to claim 1, it is characterized in that: the internal spline includes several along wheel axle portion (2)
The key teeth (13) that inner wall is equidistantly arranged, key teeth (13) two sides are equipped with along female splined shaft to the oil duct (14) of setting.
5. a kind of reverse gear according to claim 1, it is characterized in that: the porous metals ring (5) is led to by metal powder
Powder metallurgic method is crossed to be sintered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920156483.2U CN209587085U (en) | 2019-01-29 | 2019-01-29 | A kind of reverse gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920156483.2U CN209587085U (en) | 2019-01-29 | 2019-01-29 | A kind of reverse gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587085U true CN209587085U (en) | 2019-11-05 |
Family
ID=68381396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920156483.2U Expired - Fee Related CN209587085U (en) | 2019-01-29 | 2019-01-29 | A kind of reverse gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587085U (en) |
-
2019
- 2019-01-29 CN CN201920156483.2U patent/CN209587085U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |