CN204231098U - A kind of gear graduation hub-type motor - Google Patents
A kind of gear graduation hub-type motor Download PDFInfo
- Publication number
- CN204231098U CN204231098U CN201420448963.3U CN201420448963U CN204231098U CN 204231098 U CN204231098 U CN 204231098U CN 201420448963 U CN201420448963 U CN 201420448963U CN 204231098 U CN204231098 U CN 204231098U
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- Prior art keywords
- gear
- hub
- ratchet
- pinion
- graduation
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Abstract
The utility model relates to a kind of gear graduation hub-type motor, comprise motor assembly, wheel hub, described wheel hub and propeller shaft couplings, described power transmission shaft by bearing holder (housing, cover) on axis, gear graduation combination unit is provided with between described motor assembly and wheel hub, gear graduation combination unit comprises driving gear, driven gear, primary cog set and pinion group, pinion group is provided with interior ratchet, power transmission shaft is provided with ratchet and ratchet loose slot, the card being realized ratchet and ratchet in pinion group by mobile slip hub with or be separated, realize low or first gear and top gear converts arbitrarily.Motor assembly circumference establishes fin, utilizes hub vortex radiating mode to accelerate motor radiating.Gear graduation hub-type motor described in the utility model can realize mechanical speed change with compact structure, radiating effect is better, manual dexterity, simple and fast.
Description
Technical field
The utility model belongs to vehicle technology field, particularly relates to a kind of hub-type motor.
Background technology
Society now, battery-operated motor cycle, electric bicycle, because of easy to use, environmental protection, the advantage such as energy-conservation, are widely used.Now there is the motor of most of electric motor car on the market, motor stator rotor operates, and radiating effect is bad, by the rotation of motor direct-drive wheel hub, when climbing or heavy load, motor output torque is not enough, and motor there will be stall, heating even stops operating, and is easy to like this burn out motor, affect the life-span of motor, therefore only promote the use of in plains region, can not use in mountain area, hills or heavy duty situation, the scope of application is little.
Utility model content
The technical problems to be solved in the utility model is to provide one can realize mechanical speed change, radiating effect better with compact structure, makes the gear graduation hub-type motor of motor equal energy Effec-tive Function under different operating modes.
In order to solve the problems of the technologies described above, the technical solution of the utility model comprises:
A kind of gear graduation hub-type motor, comprise wheel hub 48, described wheel hub 48 connects with power transmission shaft 33, described power transmission shaft 33 is enclosed within axis 2 by bearing 26, motor assembly 1 left end arranges magnet ring 50, annular circuit board 51, described magnet ring 50, annular circuit board 51 is locked on cabinet left cover 1a by flange 34, gear graduation combination unit is established between described motor assembly 1 and wheel hub 48, described gear graduation combination unit comprises driving gear 38, driven gear 45, described driven gear 45 is meshed with driving gear 38, described gear graduation combination unit also comprises at least two the first master gears 44, second master gear 41 and the first pinion 43, second pinion 42, first master gear 44, second master gear 41 is engaged in the first pinion 43 respectively, second pinion 42, described driving gear 38 connects with motor output rotor axle 39, described driven gear 45, first master gear 44, second master gear 41 is enclosed within splined shaft 46 respectively, described splined shaft 46 is installed on cabinet by bearings at both ends 47, described first pinion 43, second pinion 42 is enclosed within power transmission shaft 33 respectively, the first described pinion 43, second pinion 42 is provided with interior ratchet, power transmission shaft 33 is provided with the movable keyway 33a of the first ratchet, the movable keyway 33b of the second ratchet, second ratchet 12 and the first ratchet 14 lay respectively on the movable keyway 33b of the second ratchet, the movable keyway 33a of the first ratchet, round pin 21 is through the first ratchet 14 be located in the first ratchet loose slot 33a, return spring 15 one end withstands on described first ratchet 14, the other end is on described power transmission shaft 33, and described first ratchet 14 is by return spring 15 tilting in the movable keyway 33a of the first ratchet, be provided with slip hub 7 in described power transmission shaft 33 axis hole, by mobile slip hub 7, described second ratchet 12, first ratchet 14 and ratchet card in the first pinion 43, second pinion 42 with or be separated.
Preferably, described slip hub 7 comprises square key 20 and speed change push rod 17, square key 20 is placed in fluting 2a, described fluting 2a is arranged in axis 2 with on the sidewall of shaft through-hole 2b, speed change push rod 17 is placed in shaft through-hole 2b, speed change push rod 17 one end contacts with square key 20, and square key 20 is connected with slip hub 7 by fluting 2a two ends, is provided with return spring 6 in slip hub 7; Be provided with groove 7a in the middle part of described slip hub 7, in the middle of described groove 7a, be provided with oil permeable hole 7b.
Preferably, described power transmission shaft 33 also comprises oil-way 33i, oil permeable hole 33e, and the right-hand member of described power transmission shaft 33 establishes spline 33f, and reverse thread 33g is enclosed within wheel hub 48, is locked by wheel hub locking nut 16.
Preferably, described driven gear 45 left side wall establishes boss 45a, connect buffer body 30, buffering adhesive 49 is embedded in the kidney slot 32a of described buffer body 30, makes driving gear 38, driven gear 45 plays cushioning effect when meshing;
Preferably, described first ratchet 14 comprises pin hole 14a, oblique boss 14b, two chamfer 14c.
Preferably, described motor assembly 1 circumference establishes fin 1b to utilize hub vortex radiating mode to accelerate motor radiating.
Preferably, described driving gear 38, driven gear 45, first master gear 44, second master gear 41 and the first pinion 43, second pinion 42 are oblique gear.
Preferably, described wheel hub 48 is provided with spoke 48a, and internal spline 48b installing hole is established at center.
Preferably, brake hubs 3 is provided with on the left of described wheel hub 48.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model is due to wheel hub and propeller shaft couplings, driving sleeve is on axis, axis be provided with to wheel hub transferring power and make the speed change gear that wheel hub rotates with different rotating speeds, form motor, gear graduation combination unit, wheel hub integral structure, take full advantage of the axis hole space of power transmission shaft, at axis hole, slip hub is set, by mobile slip hub realize controlling ratchet and pinion group card with, pinion group and propeller shaft couplings, thus achieve gear graduation, therefore mechanical speed change can be realized, can realize shifting gears arbitrarily according to different situations, thus ensure that motor is in optimum Working all the time, promote course continuation mileage, make motor can adapt to different operating modes, can with greater efficiency work under different road conditions, the situation of climbing or load is larger can be applicable to, applied range.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the explosive view of gear graduation hub-type motor;
Fig. 2 is the left view of gear graduation hub-type motor;
Fig. 3 is the front view of gear graduation hub-type motor;
Fig. 4 is the right view of gear graduation hub-type motor
Fig. 5 is the cutaway view of gear graduation hub-type motor;
Fig. 6 is the change-speed gearing combination unit of gear graduation hub-type motor;
Fig. 7 is the cutaway view of the change-speed gearing combination unit of gear graduation hub-type motor;
Fig. 8 is the buffer unit of gear graduation hub-type motor;
Fig. 9 is the power transmission shaft of gear graduation hub-type motor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1 and Figure 5, a kind of gear graduation hub-type motor, comprise wheel hub 48, described wheel hub 48 connects with power transmission shaft 33, described power transmission shaft 33 is enclosed within axis 2 by bearing 26, motor assembly 1 left end arranges magnet ring 50, annular circuit board 51, and described magnet ring 50, annular circuit board 51 are locked on cabinet left cover 1a by flange 34, establishes gear graduation combination unit between described motor assembly 1 and wheel hub 48.As shown in Figure 3, motor, gear graduation combination unit, the integral formula structure of hub-shaped.
As shown in Figure 6 and Figure 7, gear graduation combination unit is established between described motor assembly 1 and wheel hub 48, gear graduation combination unit is placed in gear mechanism casing 1d, described gear graduation combination unit comprises driving gear 38, driven gear 45, first master gear 44, second master gear 41, first pinion 43, second pinion 42, and master gear and pinion number also can be three respectively.Described driving gear 38 connects with motor output rotor axle 39, described first pinion 43, second pinion 42 is enclosed within power transmission shaft 33 by jump ring 27 respectively, described driven gear 45, first master gear 44, second master gear 41 is enclosed within splined shaft 46 respectively, described driven gear 45 is meshed with driving gear 38, and described first master gear 44, second master gear 41 engages respectively with the first pinion 43, second pinion 42.Described splined shaft 46 is installed on cabinet by bearings at both ends 47.Cabinet right cover left end is provided with paper washer 35.The first described pinion 43, second pinion 42 is equipped with interior ratchet, power transmission shaft 33 is provided with the movable keyway of two sections of ratchets, be respectively the movable keyway 33a of the first ratchet, the movable keyway 33b of second ratchet, second ratchet 12 and the first ratchet 14 lay respectively at the movable keyway 33b of the second ratchet, on the movable keyway 33a of first ratchet, first pinion 43 is set on this section of power transmission shaft 33b second ratchet loose slot, one end on second ratchet 12 tilts and can cut ratchet in the first pinion 43 under the effect of ratchet button spring 13, first pinion 43 transmits power by the second ratchet 12 from trend power transmission shaft 33.Second pinion 42 is enclosed within the first ratchet loose slot 33a of power transmission shaft 33, ratchet loose slot is provided with pin hole 33d, round pin 21 is through the pin hole 14a of the first ratchet 14 be located in the first ratchet loose slot 33a, return spring 15 one end withstands on described first ratchet 14, the other end is on described power transmission shaft 33, and described first ratchet 14 is by return spring 15 tilting in the first ratchet loose slot 33a; Be provided with slip hub 7 in described power transmission shaft 33 axis hole, by mobile slip hub 7, described first ratchet 14 and ratchet card in the second pinion 42 with or be separated.As shown in Figure 7, described first ratchet 14 comprises and establishes pin hole 14a, oblique boss 14b, two chamfer 14c.
In order to play lubrication better, as shown in Figure 9, described power transmission shaft 33 also comprises oil-way 33c, oilhole 33e, and the right-hand member of described power transmission shaft 33 establishes spline 33f, reverse thread 33g, described power transmission shaft 33 is enclosed within wheel hub 48, is locked by wheel hub locking nut 16.
In order to easy and simple to handle, as shown in Figure 1 and Figure 5, described slip hub 7 comprises square key 20 and speed change push rod 17, square key 20 is placed in fluting 2a, described fluting 2a is arranged in axis 2 with on the sidewall of shaft through-hole 2b, and speed change push rod 17 is placed in shaft through-hole 2b, and speed change push rod 17 one end contacts with square key 20, square key 20 is connected with slip hub 7 by fluting 2a two ends, is provided with return spring 6 in slip hub 7; Be provided with groove 7a in the middle part of described slip hub 7, be provided with oil permeable hole 7b in the middle of described groove 7a, play reinforcement lubrication.
In order to make there is cushioning effect when driving gear 38 and driven gear 45 transmission, as shown in Figure 8, described driven gear 45 left side wall establishes boss 45a, connect buffer body 30, buffering adhesive 49 is embedded in the kidney slot 32a of described buffer body 30, makes driving gear 38, driven gear 45 plays cushioning effect when meshing.
In order to accelerate motor radiating, described motor assembly 1 circumference establishes fin 1b, utilizes hub vortex radiating mode to accelerate heat radiation.
Described driving gear 38, driven gear 45, first master gear 44, second master gear 41 and the first pinion 43, second pinion 42 are oblique gear, and running is stable, and noise is little.
As shown in Figure 2 and Figure 4, described wheel hub 48 is provided with 12 spoke spoke 48a, and internal spline 48b installing hole is established at center.
In order to electric motor car safety in ride, on the left of described wheel hub 48, be provided with brake hubs 3.
The course of work and the principle of the gear graduation hub-type motor in the present embodiment are described, and the gear graduation hub-type motor in the present embodiment can realize two stage speed change; Namely be bottom gear, top gear.Use as top gear under normality, during climbing, be adjustable to low or first gear by conversion.
When the electric motor car comprising said gear change pulley hub motor starts, electric energy conversion is kinetic energy, rotor axis of electric 39 starts to rotate, the driving gear 38 be connected on armature spindle 39 rotates thereupon, because driven gear 45 is meshed with driving gear 38, driven gear 45 also starts to rotate, and driven gear drives the first master gear 44, second master gear 41 on splined shaft 46 to rotate.
During low or first gear conversion, speed change push rod 17 advances the distance of setting to slip hub 7, slip hub 7 backs down the first ratchet 14, second pinion 42 is separated with the first ratchet 14, and the second ratchet 12 automatically sticks up one end and pushes up ratchet in the first pinion 43 under the active force of button spring 13, and motor assembly 1 connects driving gear 38 by armature spindle 39, through driven gear 45, first master gear 44, first pinion 43, by transferring power to power transmission shaft 33, thus wheel hub 48 is rotated, be embodied as low or first gear.
During top gear conversion, unclamp the promotion pressure of speed change push rod 17, slip hub 7 automatically moves right vertically former setpoint distance under the elastic force effect of return spring 6, slip hub 7 is made to depart from the first ratchet 14, under the effect of return spring 15, the first ratchet 14 tilts one end and automatically pushes up ratchet in the second pinion 42, make itself and propeller shaft couplings that wheel hub 48 is rotated, realize top gear conversion.
In the present embodiment, bottom gear and top gear can convert arbitrarily, manual dexterity simple and fast.
Above-described embodiment is only preferred embodiment of the present utility model, is not used for limiting practical range of the present utility model.Namely all equalizations done according to the utility model content change and modify, all by the utility model claim scope required for protection is contained.
Claims (10)
1. a gear graduation hub-type motor, comprise motor assembly (1), wheel hub (48), described wheel hub (48) connects with power transmission shaft (33), described power transmission shaft (33) is enclosed within axis (2) by bearing (26), gear graduation combination unit is established between described motor assembly (1) and described wheel hub (48), described gear graduation combination unit comprises driving gear (38), driven gear (45), described driven gear (45) is meshed with described driving gear (38), it is characterized in that:
Described gear graduation combination unit also comprises at least the first master gear (44), second master gear (41) and at least the first pinion (43), second pinion (42), described first master gear (44), second master gear (41) is engaged in described first pinion (43) respectively, second pinion (42), described driving gear (38) connects with motor output rotor axle (39), described driven gear (45), first master gear (44), second master gear (41) is enclosed within splined shaft (46) respectively, described splined shaft (46) is installed on cabinet by bearings at both ends (47), described first pinion (43), second pinion (42) is enclosed within described power transmission shaft (33) respectively,
Described first pinion (43), second pinion (42) is equipped with interior ratchet, described power transmission shaft (33) is at least provided with the movable keyway (33a) of the first ratchet, the movable keyway (33b) of second ratchet, the movable keyway (33b) of described second ratchet, the movable keyway (33a) of first ratchet comprises the second ratchet (12) and the first ratchet (14) respectively, round pin (21) is through described first ratchet (14) be located in the movable keyway (33a) of described first ratchet, return spring (15) one end withstands on described first ratchet (14), the other end is on described power transmission shaft (33), described first ratchet (14) is by described return spring (15) tilting in the movable keyway (33a) of described first ratchet,
Slip hub (7) is provided with in described power transmission shaft (33) axis hole, by mobile described slip hub (7), the interior ratchet card of described first ratchet (14), the second ratchet (12) and the first pinion (43), the second pinion (42) with or be separated.
2. gear graduation hub-type motor according to claim 1, it is characterized in that, described slip hub (7) comprises square key (20) and speed change push rod (17), described square key (20) is placed in fluting (2a), described fluting (2a) is arranged in described axis (2) with on the sidewall of shaft through-hole (2b), described speed change push rod (17) is placed in described shaft through-hole (2b), described speed change push rod (17) one end contacts with described square key (20), described slip hub (7) is connected with described square key (20) by described fluting (2a) two ends, return spring (6) is provided with in described slip hub (7).
3. gear graduation hub-type motor according to claim 2, is characterized in that, described slip hub (7) middle part is provided with groove (7a), is provided with oil permeable hole (7b) in the middle of described groove (7a).
4. gear graduation hub-type motor according to claim 3, it is characterized in that, described power transmission shaft (33) also comprises oil-way (33i), oil permeable hole (33e), the right-hand member of described power transmission shaft (33) establishes spline (33f), reverse thread (33g) is enclosed within described wheel hub (48), is locked by wheel hub locking nut (16).
5. gear graduation hub-type motor according to claim 4, it is characterized in that, described driven gear (45) left side wall is established boss (45a), connect buffer body (30), buffering adhesive (49) is embedded in the kidney slot (32a) of described buffer body (30), makes described driving gear (38), driven gear (45) plays cushioning effect when meshing.
6. gear graduation hub-type motor according to claim 5, is characterized in that, described first ratchet (14) comprises pin hole (14a), oblique boss (14b), two chamfers (14c).
7. gear graduation hub-type motor according to claim 6, is characterized in that, described motor assembly (1) circumference establishes fin (1b).
8. the gear graduation hub-type motor according to any one of claim 1-7, it is characterized in that, described driving gear (38), driven gear (45), the first master gear (44), the second master gear (41) and the first pinion (43), the second pinion (42) are oblique gear.
9. gear graduation hub-type motor according to claim 8, is characterized in that, described wheel hub (48) is provided with spoke (48a), and internal spline (48b) installing hole is established at center.
10. gear graduation hub-type motor according to claim 9, is characterized in that, described wheel hub (48) left side is provided with brake hubs (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448963.3U CN204231098U (en) | 2014-08-08 | 2014-08-08 | A kind of gear graduation hub-type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420448963.3U CN204231098U (en) | 2014-08-08 | 2014-08-08 | A kind of gear graduation hub-type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231098U true CN204231098U (en) | 2015-03-25 |
Family
ID=52929147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420448963.3U Expired - Fee Related CN204231098U (en) | 2014-08-08 | 2014-08-08 | A kind of gear graduation hub-type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231098U (en) |
-
2014
- 2014-08-08 CN CN201420448963.3U patent/CN204231098U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150325 Termination date: 20170808 |