CN209340442U - A kind of new gear - Google Patents
A kind of new gear Download PDFInfo
- Publication number
- CN209340442U CN209340442U CN201821353295.0U CN201821353295U CN209340442U CN 209340442 U CN209340442 U CN 209340442U CN 201821353295 U CN201821353295 U CN 201821353295U CN 209340442 U CN209340442 U CN 209340442U
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- sawtooth
- trapezoidal sawtooth
- trapezoidal
- gear
- pinion
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Abstract
The utility model discloses a kind of new gears;Left trapezoidal sawtooth and right trapezoidal sawtooth are respectively arranged at left and right sides of the flank profil of external gear, left trapezoidal sawtooth and right trapezoidal sawtooth are obliquely installed both with respect to flank profil and the tilt angle of left trapezoidal sawtooth and right trapezoidal sawtooth corresponds to each other.New gear is provided with symmetrical left trapezoidal sawtooth and right trapezoidal sawtooth and sawtooth tilt angle corresponds to each other, and enables master gear and pinion to be intermeshed more preferable and master gear and pinion and is not easy to be displaced.
Description
Technical field
The utility model relates to a kind of new gears.
Background technique
Gear refers to the mechanical organ for having gear continuously to engage passing movement and power on wheel rim.Gear answering in transmission
With very early there have been.At the end of the 19th century, the principle of cutting method and the phase of special purpose machine tool and cutter using this principle cutting are transformed into
After appearance, with the development of production, the stationarity of gear operation is taken seriously.Common gear shape is relatively simple, is using
Frictional force in the process between external tooth wheel body and internal tooth wheel body is larger, does not only result in that sawtooth resistance is larger and can be mutual between sawtooth
It mutually wears, service life is short, and the rotating manner between gear is relatively single, is not able to satisfy various demands.
Utility model content
The utility model for overcome the deficiencies in the prior art, provides a kind of new gear.
To achieve the goals above, the utility model uses a kind of following technical scheme: new gear;The flank profil of external gear
The left and right sides is respectively arranged with left trapezoidal sawtooth and right trapezoidal sawtooth, and left trapezoidal sawtooth and right trapezoidal sawtooth incline both with respect to flank profil
The tiltedly tilt angle reciprocal correspondence of setting and left trapezoidal sawtooth (31) and right trapezoidal sawtooth.
Further, the tilt angle of left trapezoidal sawtooth and right trapezoidal sawtooth is between 15 ° -30 °.
Further, the top surface of left trapezoidal sawtooth and right trapezoidal sawtooth is parallelogram；Left trapezoidal sawtooth and right ladder
The short side of the top surface of shape sawtooth is parallel to each other with flank profil；The long side of the top surface of left trapezoidal sawtooth and right trapezoidal sawtooth both with respect to
The long side tilt angle reciprocal correspondence of flank profil inclination and left trapezoidal sawtooth and right trapezoidal sawtooth.
Further, left trapezoidal sawtooth and right trapezoidal sawtooth include left tilted surface, right tilted surface, front bevel, back bevel and top
Face；Left tilted surface, right tilted surface, front bevel, back bevel all have the area that constant slope makes the area of top surface be less than its bottom surface.
Further, be provided with channel between left trapezoidal sawtooth and right trapezoidal sawtooth, left trapezoidal sawtooth, right trapezoidal sawtooth,
Channel it is of same size.
Further, new gear includes the master gear and pinion being arranged in pairs, and master gear and pinion all have a left side
Trapezoidal sawtooth and right trapezoidal sawtooth, the inclined direction of sawtooth is on the contrary, enable master gear and pinion on master gear and pinion
Enough intermeshings.
In conclusion new gear is provided with symmetrical left trapezoidal sawtooth and right trapezoidal sawtooth and sawtooth tilt angle is mutual
It is corresponding, enable master gear and pinion to be intermeshed more preferable and master gear and pinion and is not easy to be displaced.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the overlooking structure diagram of the utility model.
Fig. 3 is the side structure schematic view of the utility model.
Fig. 4 is structure enlargement diagram at the A of the utility model.
Fig. 5 is the Springing device structural schematic diagram of the utility model.
Fig. 6 is the external gear structural schematic diagram of the utility model.
Fig. 7 is the inner gear structure schematic diagram of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical solutions in the embodiments of the present invention are clearly and completely described.
As shown in figs. 1-7, including external gear 1 and internal gear 2, external gear 1 and internal gear 2 can opposite rotated stepwise, step
External gear 1 and the active relative motion of internal gear 2 are referred into formula rotation, and when external gear 1 rotates, internal gear 2 can and then together
The speed that the speed and external gear 1 of rotation and rotation rotate is inconsistent, and what step-by-step movement then referred to the rotation of internal gear 2 is regular
Pause/rotation；And realize step-type rotation mainly by the cooperation of junction between external gear 1 and internal gear 2.External gear 1
Flank profil 11 on be provided with trapezoidal sawtooth 3, be provided with endless glide 13 on the inner wall of external gear 1, interval is equal in endless glide 13
Even setting fluted 14；It is provided with the annulus 21 that can be slided in endless glide 13 on the outer wall of internal gear 2, is set on annulus 21
It is equipped with the Springing device 22 cooperated with groove 14, Springing device 22 can cooperate to realize rotated stepwise with groove 14, when outer
When gear 1 rotates, can give internal gear 2 has the power of rotation, and Springing device 22 can pop up on annulus 21 or retraction, to make
Internal gear 2 is obtained relative to 1 rotated stepwise of external gear.
Through-hole 23 is provided on annulus 21, Springing device 22 includes the spring 222 that hoodle 221 and hoodle 221 match, bullet
One end of spring 222 offsets with annulus 21；The other end offsets with hoodle 221, and the diameter of hoodle 221 is greater than the diameter of through-hole 23, circle
Locating piece 24 is provided in ring 21, spring 222 is sheathed on the locating piece 24, and locating piece 24 is mainly used for 222 He of retaining spring
Hoodle 221, and since the diameter that the diameter of hoodle 221 is greater than through-hole 23 prevents hoodle 221 from completely disengaging annulus 21, also
It is to say that the outer surface of annulus 21 has the hoodle 221 of sub-fraction to be exposed to outside, this is exposed to outer hoodle 221 can be with groove 14
Cooperation is exactly hoodle 221 and the clamping of groove 14, and in the case where external gear 1 rotates, internal gear 2 also has the power of rotation, from
But hoodle 221 moves in next groove 14 from a groove 14, and since groove 14 is evenly spaced to be distributed in ring
In shape sliding rail 13, reciprocating motion is write in this way, so that external gear 1 and internal gear 2 are with respect to rotated stepwise.In order to guarantee the gear
Service life, since Springing device 22 is easier to damage or block to be unable to upper and lower displacement, 14 quantity of groove is greater than Springing device
22 quantity reduces the probability of the damage of Springing device 22 in this way.
Trapezoidal sawtooth 3 is provided in the flank profil 11 of external gear 1, trapezoidal sawtooth 3 includes left trapezoidal sawtooth 31 and right trapezoidal saw
Tooth 32, left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32 are separately positioned on 11 left and right sides of flank profil of external gear 1, and left trapezoidal sawtooth
Channel 12 is provided between 31 and right trapezoidal sawtooth 32；Preferably, left trapezoidal sawtooth 31, right trapezoidal sawtooth 32, channel 12
It is of same size, oil filler point 16 is provided on channel 12, oil filler point 16 can inject lubricating oil and make external gear 1 and 2 turns of internal gear
Dynamic is more flexible, and left trapezoidal sawtooth 31 is obliquely installed with right trapezoidal sawtooth 32 both with respect to flank profil 11 and left trapezoidal 31 He of sawtooth
The tilt angle of right trapezoidal sawtooth 32 corresponds to each other, preferably, the inclination angle of left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32
Degree is between 15 ° -30 °.And left trapezoidal sawtooth 31, right trapezoidal sawtooth 32, channel 12 it is of same size, then be to preferably protect
The relative motion between external gear 1 and internal gear 2 is demonstrate,proved, so that external gear 1 gives the power that internal gear rotates enough.
Specifically, the gear of the utility model is arranged in pairs, including master gear and pinion, master gear and pair
Gear all has left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32, and the inclined direction of sawtooth is on the contrary, make on master gear and pinion
Master gear and pinion can be intermeshed, that is, two Saw blades of master gear and pinion can engage, and
The design of inclined sawtooth is then and left trapezoidal sawtooth 31 and right ladder in order to guarantee that relative displacement will not occur for master gear and pinion
32 two sawtooth of shape sawtooth are oppositely arranged, and are increased probability and are further ensured that opposite position will not occur for master gear and pinion
It moves, master gear and pinion can be made to be in same level always, and external gear 1 and internal tooth on master gear and pinion
It takes turns 2 equal energy rotated stepwise relatively and revolving speed is identical.In addition, the tilt angle of left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32 exists
Between 15 ° -30 °, the excessive master gear of tilt angle and pinion are easy to happen displacement in rotation, so that master gear and pinion
It is not at same level；Tilt angle is too small, should not rotate, and master gear and secondary tooth could be made by needing to give biggish power
Wheel rotation.
The top surface of left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32 is parallelogram；Left trapezoidal sawtooth 31 and right trapezoidal saw
The short side 33 of the top surface of tooth 32 is parallel to each other with flank profil 11；The long side 34 of the top surface of left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32
Both with respect to the inclination of flank profil 11 and 34 tilt angle of long side of left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32 corresponds to each other, inclination angle
Degree is between 15 ° -30 °.Left trapezoidal sawtooth 31 and right trapezoidal sawtooth 32 include left tilted surface 311, right tilted surface 312, front bevel
313, back bevel 314 and top surface 315；Left tilted surface 311, right tilted surface 312, front bevel 313, back bevel 314 all have constant slope
So that the area of top surface 315 is less than the area of its bottom surface, bottom surface refers to that the face parallel with top surface 315, bottom surface are also sawtooth
The face being connected with external gear 1.So inclined design makes gear more accurate when engagement, is not easy to be displaced.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
The range of the utility model protection all should belong in every other embodiment.
Claims (6)
1. a kind of new gear;It is characterized by: being respectively arranged with left trapezoidal sawtooth at left and right sides of the flank profil (11) of external gear (1)
(31) and right trapezoidal sawtooth (32), the trapezoidal sawtooth (32) of left trapezoidal sawtooth (31) and the right side be obliquely installed both with respect to flank profil (11) and
The tilt angle of left trapezoidal sawtooth (31) and right trapezoidal sawtooth (32) corresponds to each other.
2. a kind of new gear according to claim 1, it is characterised in that: the trapezoidal sawtooth in a left side (31) and right trapezoidal saw
The tilt angle of tooth (32) is between 15 ° -30 °.
3. a kind of new gear according to claim 1, it is characterised in that: the trapezoidal sawtooth in a left side (31) and right trapezoidal saw
The top surface of tooth (32) is parallelogram；The short side (33) of the top surface of the trapezoidal sawtooth (32) of left trapezoidal sawtooth (31) and the right side with
Flank profil (11) is parallel to each other；The long side (34) of the top surface of left trapezoidal sawtooth (31) and right trapezoidal sawtooth (32) is both with respect to flank profil
(11) long side (34) the tilt angle reciprocal correspondence of inclination and left trapezoidal sawtooth (31) and right trapezoidal sawtooth (32).
4. a kind of new gear according to claim 1, it is characterised in that: the trapezoidal sawtooth in a left side (31) and right trapezoidal saw
Tooth (32) includes left tilted surface (311), right tilted surface (312), front bevel (313), back bevel (314) and top surface (315)；Left tilted surface
(311), right tilted surface (312), front bevel (313), back bevel (314) all have constant slope and make the area of top surface (315) small
Area in its bottom surface.
5. a kind of new gear according to claim 1, it is characterised in that: the trapezoidal sawtooth in a left side (31) and right trapezoidal saw
Be provided between tooth (32) channel (12), left trapezoidal sawtooth (31), right trapezoidal sawtooth (32), channel (12) it is of same size.
6. a kind of new gear according to claim 1, it is characterised in that: the new gear includes the master being arranged in pairs
Gear and pinion, master gear and pinion all have left trapezoidal sawtooth (31) and right trapezoidal sawtooth (32), master gear and secondary tooth
The inclined direction of sawtooth is on the contrary, enable master gear and pinion to be intermeshed on wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821353295.0U CN209340442U (en) | 2018-08-22 | 2018-08-22 | A kind of new gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821353295.0U CN209340442U (en) | 2018-08-22 | 2018-08-22 | A kind of new gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340442U true CN209340442U (en) | 2019-09-03 |
Family
ID=67743393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821353295.0U Active CN209340442U (en) | 2018-08-22 | 2018-08-22 | A kind of new gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340442U (en) |
-
2018
- 2018-08-22 CN CN201821353295.0U patent/CN209340442U/en active Active
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