CN206889631U - A kind of automatic transmission - Google Patents
A kind of automatic transmission Download PDFInfo
- Publication number
- CN206889631U CN206889631U CN201720885759.1U CN201720885759U CN206889631U CN 206889631 U CN206889631 U CN 206889631U CN 201720885759 U CN201720885759 U CN 201720885759U CN 206889631 U CN206889631 U CN 206889631U
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- CN
- China
- Prior art keywords
- keyway
- gear
- axle
- interior
- gear axle
- Prior art date
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Abstract
A kind of automatic transmission, including：The output end connection of first gear axle, its one end and torquer, another end center are to be provided with interior axle in blind hole and blind hole, and the first keyway and the second keyway are respectively equipped with the outer wall of first gear axle；The exposed interior axle of first keyway is connected by an alignment pin with slide assemblies, and the exposed interior axle of the second keyway is connected by an alignment pin with pulling component, is pulled component and is connected by shift fork with the gear switch device on second gear axle；Described slide assemblies one end is connected with the side contacts of spring assembly one and spring assembly opposite side is fixed to beneficial effect on first gear axle by jump ring：By installing interior axle inside first gear axle, realize slide assemblies and pull component and relative can link, and then it is simpler in overall structure, mechanical part is less, greatly optimize the cost of machining production, reductions of mechanical part means to use relatively low production cost and then more advantageous in the market.
Description
Technical field
Gear box in electric tricycle field is the utility model is related to, specially a kind of automatic transmission.
Background technology
The universal structure of gearbox is in current tricycle：Be be respectively equipped with gear-box case connection motor it is defeated
Go out the first gear axle at end, with the transmission of first gear shaft gear and for the second gear axle of output rotating speed regulation, and with the
The differential bag of two gear shaft gear drives connection.
The effect of these three is respectively：First gear axle directs or through the transmission mechanism of outside and the output end of motor
Connection, the high speed driving wheel being relatively large in diameter is respectively equipped with first gear axle, put into gear shift fork and the less low speed active of diameter
Wheel.High speed driving wheel and low speed driving wheel on first gear axle respectively with the less high speed driven pulley of diameter on second gear axle
With the low speed driven pulley engagement being relatively large in diameter, high speed driven pulley and low speed driven pulley on second gear axle are relative with the
Two gear shaft rotary motions, and be provided with gear switch device therebetween, by adjust shift fork selectivity by controlling gear to cut
Parallel operation connects with high speed driven pulley or the insertion of low speed driven pulley, so as to which can realizes that second gear axle exports different rotating speeds.
Then it is connected by the transmission output gear being fixed on second gear axle with differential bag outer ring meshed transmission gear, then differential
The transmission shaft driven connection of connection wheel outside Bao He.It is achieved that whole motor wheel by the above-mentioned kind of drive
The whole flow process of driving.
In current tricycle gearbox, mainly manually mechanical structure adjusts shift fork of putting into gear, so as to export not
Same rotating speed, but this manually operated mode has certain skill for the personnel for driving vehicle.It is new to this this practicality
Type proposes a kind of new technical scheme.
Meanwhile after retrieval, inquiring number of patent application is：201510291975.9.Authorizing publication number is：
CN106286725A.Patent name is：A kind of automatic transmission.In this application, it has complicated, and production cost is higher
The shortcomings that.
Utility model content
The purpose of this utility model is to provide a kind of automatic transmission, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：
A kind of automatic transmission, including：Both ends are made up of the first gear axle of revolute bearing and gear-box case, and
One free end of first gear axle and the output end of torquer are connected；First gear axle is since another free end
Center is that the interior axle that relative first gear axle slides is provided with blind hole and blind hole, and both sides are respectively equipped with the outer wall of first gear axle
The first keyway and the second keyway run through；Two alignment pins are respectively equipped with first keyway and the second keyway in exposed interior axle,
The both ends of alignment pin are connected with slide assemblies one end in first keyway, and alignment pin both ends connect with circular interior cutting ferrule in the second keyway
Connect, the interior cutting ferrule and the clamping of shift fork one end, the shift fork other end are connected with the gear switch device on second gear axle again；The cunning
Dynamic component one end is connected with the side contacts of spring assembly one and spring assembly opposite side is fixed on first gear axle by jump ring；It is described
Slide assemblies include：The sliding cylinder and sliding cylinder slided on first gear axle passes through alignment pin and interior axis connection, the slip
Cylinder is fixed by the housing of support and toroidal, in the housing radial distribution several with inclination angle and inclined-plane outwardly
Stress seat, is also equipped with to be connected on stress seat in housing and radially slides frame, if described radially slide radial on frame be provided with
Dry is easy to the radial rolling steel ball rolling channel of steel ball, and runs through the guide rail for cutting out and being easy to stress seat to penetrate among steel ball rolling channel.
Further, the outer wall of the interior cutting ferrule is provided with the outer cutting ferrule of annular that relatively interior card outer wall is slided, described outer
Cutting ferrule is integrally nested together the alignment pin in interior cutting ferrule, and shift fork is connected on the outer surface of the outer cutting ferrule.
Further, the length of the first keyway is less than or equal to the length of the second keyway.
Further, the angular range of the inclined-plane of the stress seat and first gear axle axis is at 30 degree to 75 degree.
Compared with prior art, the beneficial effects of the utility model are：It is real by installing interior axle inside first gear axle
Existing slide assemblies and pull component can relative linkage, and then in overall structure it is simpler, mechanical part is less, optimize significantly
The cost of machining production, reductions of mechanical part mean to use relatively low production cost and then had more in the market
Advantage.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of first gear axle and its component in the utility model；
Fig. 2 is the sectional view in K-K directions in Fig. 1；
Fig. 3 is the schematic diagram that shift fork is installed in Fig. 1；
Fig. 4 is that only installation pulls the structural representation of component and slide assemblies in first gear axle external structure；
Fig. 5 is F-F direction structure sectional views in Fig. 4；
Fig. 6 is slide assemblies structural representation；
Fig. 7 is to radially slide frame structural representation；
Fig. 8 is spring assembly facing structure figure；
Fig. 9 is A-A sectional views in Fig. 8.
In figure：1 first gear axle, 11 first keyways, 12 second keyways, 13 jump rings, 2 interior axles, 3 alignment pins, 4 radially slide
Frame, 41 steel balls, 42 steel ball rolling channels, 43 guide rails, 5 slide assemblies, 51 sliding cylinders, 52 supports, 53 housings, 54 stress seats, 6 groups of springs
Part, 7 low speed driving wheels, 8 pull components, cutting ferrule, 82 outer cutting ferrules, 83 shift forks, 9 high speed driving wheels in 81.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Shown in Fig. 1 to 9, a kind of automatic transmission, including：Both ends are made up of the of revolute bearing and gear-box case
One gear shaft 1, and the output end of a free end of first gear axle 1 and torquer is connected, torque output device can
To be the torque output device of motor or torque output device with the drive mechanism of motor connection, in this application first
The projection of the uniform fixed strip in the outer surface of gear shaft 1, these projections can be the bulge-structure of spline, also or be bar
The bulge-structure of shape tooth, these all can generally be used in current technology；During first gear axle 1 is since another free end
The heart is that the interior axle 2 that relative first gear axle 1 slides is provided with blind hole and blind hole, and two are respectively equipped with the outer wall of first gear axle 1
The first keyway 11 and the second keyway 12 that side is run through；It is respectively equipped with first keyway 11 and the second keyway 12 in exposed interior axle 2
Two alignment pins 3, the two alignment pins 3 are fixed with interior axle 2, the both ends of alignment pin 3 and slide assemblies 5 one in the first keyway 11
End is connected, and the both ends of alignment pin 3 are connected with the interior cutting ferrule 81 of circle in the second keyway 12, the interior cutting ferrule 81 and one end card of shift fork 83
Connect, shift fork 83 is the structure that both ends are U-shaped, as long as the U-shaped structure of one end is stuck on interior cutting ferrule 81, the U-shaped structure of the other end
Connected with the gear switch device on the second gear axle for speed change；Described one end of slide assemblies 5 and the side contacts of spring assembly 6 one
Connect and the opposite side of spring assembly 6 is fixed on first gear axle 1 by jump ring 13；Spring assembly 6 is thus allowed to be squeezed in cunning again
It is dynamic between component 5 and jump ring 3, because this spring assembly 6 can be common spring, preferably tower spring structure.In order to anti-
Only there is displacement deviation in the both ends of spring structure, so the tower spring or both ends of the spring in spring assembly 6 are respectively with indent
Chuck is fixed.The slide assemblies 5 include：The sliding cylinder 51 and sliding cylinder 51 slided on first gear axle 1 passes through alignment pin 3
It is connected with interior axle 2, the sliding cylinder 51 is fixed by the housing 53 of support 52 and toroidal, radial point in the housing 53
Several carry inclination angle and the stress seat 54 of inclined-plane outwardly with cloth, and the radial direction being connected on stress seat 54 is also equipped with housing 53 and is slided
Moving frame 4, fixed by jump ring 13 and first gear axle 1 at the outer face of the mirror image travelling carriage 4, it is described to radially slide on frame 4
It is radial to be easy to the radial rolling steel ball rolling channel 42 of steel ball 41 provided with several, and among steel ball rolling channel 42 through cut out be easy to by
The guide rail 43 that power seat 54 penetrates.When first gear axle 1 is static, spring assembly 6 can outward promote slide assemblies 5, because
It is inclined inclined-plane for stress seat 54, so steel ball 41 can be also extruded to close to the position at the center of first gear axle 1, and also
It is bound in the steel ball rolling channel 42 for radially sliding frame 4, shift fork 83 can be lifted by now pulling component 8, be realized for speed change
Low speed follower and second gear axle on second gear axle can transmit moment of torsion, thus reach on first gear axle 1
Low speed driving wheel 7 can drive second gear axle to rotate when being engaged with the low speed driven pulley on second gear axle, that is, custom
Title has hung up bottom notch speed.Speed regulating structure in the documents that compare, the utility model have less excellent of simple in construction, part
Point, in machinery, it is simple in construction mean that more stable, number of components it is small do not mean only that processing time it is few, also more
With less production, with more economic value.
After motor driving first gear axle 1 rotates, first gear axle 1 can be by the strip bulge of outer surface, for example spends
The structures such as key, whole utility model can be allowed all to rotate, then at this time, more and more faster with the rotating speed of motor, steel ball 41 exists
There can be oppressive force to stress seat 54 in the presence of centrifugal force, because the quality of steel ball 41 is larger, after certain speed threshold value is reached,
Can realize it is unexpected housing 53 is oppressed motion, such housing 53 passes through support 52 and sliding cylinder 51 and then oppresses interior axle 2
Pull component 8 to move, and then realize that shift fork 83 moves the transmission chain connect for relieving low speed driven pulley and second gear axle, while
Allow shift fork 83 the transmission chain connect of high speed driven pulley and second gear axle into together.So it is achieved that and is continuing to increase motor turn
When fast, the gearbox output of low speed can be become the output of gearbox high speed by gearbox automatically.Equally, when motor exports
After speed is reduced to certain threshold value, spring assembly 6 can automatically be switched to low gear again.
Further, the outer wall of the interior cutting ferrule 81 is provided with the outer cutting ferrule 82 of annular that the relatively interior outer wall of cutting ferrule 81 slides,
The outer cutting ferrule 82 is nested together the entirety of alignment pin 3 in interior cutting ferrule 81, connects on the outer surface of the outer cutting ferrule 82
Connect shift fork 83.Because when high speed rotates, the alignment pin 3 being connected with interior axle 2 is possible to because centrifugal force interior cutting ferrule 81
And cause to fly out, so, in order to prevent the generation of such accident, outer cutting ferrule 82 in the appearance surface cover of interior cutting ferrule 81, is then dialled
Fork 83 and the outer clamping of cutting ferrule 82, have so prevented the generation that this kind of thing, shift fork 83 are moved easily for the ease of outer cutting ferrule 82
Motion, the distance between the projection, two projections that the contour edge at the outer both ends of cutting ferrule 82 is provided with annular is just shift fork 83
Width, when so reciprocating motion with interior axle 2, it is possible to accurately realize the motion of shift fork.
Due to shift fork 83 move two endpoint locations be exactly on selective switching second gear axle low speed driven pulley or
The transmission of high speed driven pulley and second gear axle.Therefore, the length of the first keyway 11 is less than or equal to the length of the second keyway 12.And
The length of first keyway 11 is also just the length that enough shift forks 83 switch, and the length of the second keyway 12 is at least equal to the first key
The length of groove 11, the motion for the high low speed that could meet constantly to automatically switch.
Because the motion of housing 53 is the power source of gearshift of the present utility model, then be directed to and promote housing 53 at which kind of
Under the conditions of moved into the considerable content of the utility model.If the axis on the inclined-plane of stress seat 54 and first gear axle 1
When in 0 degree, that is, the diameter parallel of stress seat 54 and first gear axle 1, then for steel ball 41, without can
With the space of relative motion.It is same when in 90 degree, more somewhat centrifugal force results in the first motion of steel ball 41 to most
Outer ring, the effect of regulation is not had.So the angular range of the inclined-plane of the stress seat 54 and the axis of first gear axle 1 is 30
Degree is to 75 degree.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of automatic transmission, including：Both ends are made up of the first gear axle (1) of revolute bearing and gear-box case,
And a free end of first gear axle (1) and the output end of torquer are connected；Characterized in that, first gear axle
(1) center is that the interior axle (2) that relative first gear axle (1) slides is provided with blind hole and blind hole since another free end, the
The first keyway (11) and the second keyway (12) run through both sides is respectively equipped with the outer wall of one gear shaft (1)；First keyway (11)
With two alignment pins (3), the first keyway (11) interior alignment pin (3) are respectively equipped with interior axle (2) exposed in the second keyway (12)
Both ends be connected with slide assemblies (5) one end, the second keyway (12) interior alignment pin (3) both ends with circular interior cutting ferrule (81) even
Connect, the interior cutting ferrule (81) and shift fork (83) one end clamping, shift fork (83) other end again with the gear switch on second gear axle
Device connects；Described slide assemblies (5) one end is connected with the side contacts of spring assembly (6) one and spring assembly (6) opposite side is by jump ring
(13) it is fixed on first gear axle (1)；The slide assemblies (5) include：The sliding cylinder slided on first gear axle (1)
(51) and sliding cylinder (51) is connected by alignment pin (3) with interior axle (2), and the sliding cylinder (51) passes through support (52) and annular
The housing (53) of shape is fixed, the interior radial distribution of the housing (53) several carry inclination angle and the stress seat of inclined-plane outwardly
(54), also it is equipped with the housing (53) to be connected on stress seat (54) and radially slides frame (4), it is described to radially slide on frame (4)
It is radial to be easy to the radial rolling steel ball rolling channel (42) of steel ball (41) provided with several, and run through among steel ball rolling channel (42) and cut out
It is easy to the guide rail (43) that stress seat (54) penetrates.
A kind of 2. automatic transmission according to claim 1, it is characterised in that：The outer wall of the interior cutting ferrule (81) is provided with
The outer cutting ferrule (82) of annular that interior cutting ferrule (81) outer wall slides relatively, the outer cutting ferrule (82) in interior cutting ferrule (81) determining
Position pin (3) is integrally nested together, and shift fork (83) is connected on the outer surface of the outer cutting ferrule (82).
A kind of 3. automatic transmission according to claim 1, it is characterised in that：The length of first keyway (11) is less than or equal to
The length of second keyway (12).
A kind of 4. automatic transmission according to claim 1, it is characterised in that：The inclined-plane and first of the stress seat (54)
The angular range of gear shaft (1) axis is at 30 degree to 75 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720885759.1U CN206889631U (en) | 2017-07-20 | 2017-07-20 | A kind of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720885759.1U CN206889631U (en) | 2017-07-20 | 2017-07-20 | A kind of automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889631U true CN206889631U (en) | 2018-01-16 |
Family
ID=61297320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720885759.1U Expired - Fee Related CN206889631U (en) | 2017-07-20 | 2017-07-20 | A kind of automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839753A (en) * | 2018-06-07 | 2018-11-20 | 李昆平 | A kind of laborsaving speeding-up bike and speed changer and its application method |
-
2017
- 2017-07-20 CN CN201720885759.1U patent/CN206889631U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839753A (en) * | 2018-06-07 | 2018-11-20 | 李昆平 | A kind of laborsaving speeding-up bike and speed changer and its application method |
| CN108839753B (en) * | 2018-06-07 | 2021-05-07 | 李昆平 | Transmission and use method thereof |
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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: 20180116 Termination date: 20210720 |