CN103457408A - Buffered variable speed motor - Google Patents
Buffered variable speed motor Download PDFInfo
- Publication number
- CN103457408A CN103457408A CN 201210198934 CN201210198934A CN103457408A CN 103457408 A CN103457408 A CN 103457408A CN 201210198934 CN201210198934 CN 201210198934 CN 201210198934 A CN201210198934 A CN 201210198934A CN 103457408 A CN103457408 A CN 103457408A
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- gear
- shaft
- ratchet
- hollow output
- output shaft
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Abstract
The invention belongs to the technical field of power transmission of electric cars. The problem of impact caused by rigid combination in gear shifting in the prior art is solved. The buffered variable speed motor comprises a variable speed box body, a motor is fixed on the variable speed box body, a hollow output shaft and an input shaft are arranged in the variable speed box body in a rotating mode, an input shaft gear on the input shaft is in meshed transmission with a motor shaft gear on a motor shaft, a driven gear can rotate on the hollow output shaft, a driving gear in meshed transmission with the driven gear correspondingly sleeves the input shaft, an elastic element is positioned between the input shaft gear and the driving gear, the input shaft gear is fixed on the input shaft, the driving gear can rotate on the input shaft in a limited mode, the driven gear is provided with inner teeth, a pawl moving groove is formed in the hollow output shaft, a pawl can tilt in the pawl moving groove, a spring is positioned in the pawl moving groove, and a sliding part capable of jacking up the tilting end of the pawl is positioned in a shaft hole formed in the hollow output shaft.
Description
Technical field
The invention belongs to electric motor car power transmission technical field.
Background technology
Common electric vehicle motor transmission mechanism is not provided with buffer gear, and when gearshift, gear is the rigidity combination like this, and impact is large, noise is large, make the rider feel uncomfortable, and transmission mechanism easily damages.
Summary of the invention
In order to solve above-mentioned deficiency, the object of the present invention is to provide a kind of simple in structurely, volume is little, power is flexible in conjunction with output during gearshift, without impacting sense, make the driver more comfortable, and gear engagement is more durable.
For realizing purpose of the present invention, a kind of technical scheme of the present invention is: a kind of band buffering variable speed electric motors, particularly, comprise gearbox body, and be fixed with motor on gearbox body, the power line of motor is stretched from motor casing; Rotate and be provided with hollow output shaft and power shaft, the input shaft gear on described power shaft and the generator shaft gear engaged transmission on motor shaft in described gearbox body; Described hollow output shaft is provided with at least two driven gears, driven gear can rotate on hollow output shaft, the corresponding driving gear had with the driven gear engaged transmission that overlaps on described power shaft, described power shaft and the driving gear be enclosed within on this power shaft form a gear train, it is characterized in that: between described input shaft gear and driving gear, be provided with flexible member, input shaft gear is fixed on power shaft, and driving gear is limited to rotate on power shaft; Described driven gear is provided with internal tooth, hollow output shaft is provided with the ratchet loose slot, pawl axis is through being located at the ratchet in the ratchet loose slot, ratchet can be in the ratchet loose slot tilting, be provided with in the ratchet loose slot and ratchet acted on hollow output shaft make the perk of one end and be stuck in the spring on internal tooth; But be provided with the jack-up ratchet in the axis hole of described hollow output shaft and stick up the sliding part into end.
Described band buffering variable speed electric motors, particularly is characterized in that: described adjusting rod is connected with electromagnetism and inhales, can mobile sliding part when electromagnetism is inhaled energising in the position of axis hole, described electromagnetism is inhaled and is connected with adjusting rod.
The present invention has following beneficial effect: the present invention is when using gearshift that impulsive torque is arranged, and flexible member is naturally compressed, produces shock absorbing effect, make gear flexible in conjunction with feeling without impacting, noise is little, reduces and impacts mechanical damage, also makes the driver feel more comfortable.
The accompanying drawing explanation
Sectional structure chart after the assembling that Fig. 1 is band buffering variable speed electric motors, particularly the first execution mode of the present invention;
Fig. 2 is fulcrum, rotor, generator shaft gear, input shaft gear, flexible member, sliding part, hollow output shaft, driven gear, driving gear, ratchet, the spring assembling exploded perspective view in Fig. 1;
After Fig. 3 is band of the present invention buffering variable speed electric motors, particularly hollow output shaft and associated component assembling thereof, when sliding part leaves ratchet, ratchet is combined the radially sectional structure chart of operation principle with internal tooth;
After hollow output shaft and associated component assembling thereof that Fig. 4 is band of the present invention buffering variable speed electric motors, particularly, the radially sectional structure chart of ratchet and internal tooth mask work principle when sliding part pushes up ratchet and sticks up into end;
The spindle assemblies assembling exploded perspective view that Fig. 5 is band buffering variable speed electric motors, particularly of the present invention;
Stereogram after the assembling that Fig. 6 is Fig. 5;
The assembling that Fig. 7 is Fig. 6 is axial sectional structure chart afterwards.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment that band of the present invention is cushioned to variable speed electric motors, particularly is described in further detail.
As shown in FIG., the hub circle 1 of band buffering variable speed electric motors, particularly of the present invention, end face 2, motor 3, hollow output shaft 5, power shaft 6, brake 7, sliding bar 8, driven gear 9, driving gear 10, internal tooth 11, ratchet loose slot 12, ratchet 13, spring 14, axis hole 15, sliding part 16, fulcrum 20, gearbox body 21, bolt 22, rotor 23, reduction gearing 24, adjusting rod hole 25, screwed hole 26, lever dolly 27, removable pin 28, hole 29, adjusting rod 30, rotor shaft hatch 31, brake-shoe 35, groove 36, flexible member 38, electromagnetism inhales 39, motor shaft bearing 41, hollow output shaft bearing 42, bearing of input shaft 43, input shaft gear 45, motor shaft 46, generator shaft gear 47, pawl axis 55, jump ring 56, power line 59, pilot hole 63, gathering sill 65, fastener 66.
Embodiment 1
As shown in Figure 1, described band buffering variable speed electric motors, particularly, comprise hub circle 1, and hub circle 1 connects an end face 2, and end face 2 is connected on hollow output shaft 5, is provided with a fulcrum 20 in the axis hole 15 of hollow output shaft 5.
Be fixed with motor 3 on described fulcrum 20, the power line 59 of motor 3 is stretched from motor casing.Described motor 3 is provided with motor shaft bearing 41, and motor shaft 46 is located in motor shaft bearing 41.Motor shaft 46 outer ends are provided with generator shaft gear 47.
Be fixed with gearbox body 21 on described motor 3, be provided with power shaft 6 and hollow output shaft 5 in described gearbox body 21, described input shaft gear 45 and generator shaft gear 47 engaged transmission, single power shaft 6 and the driving gear 10 be enclosed within on this power shaft 6 form a gear train.Described hollow output shaft 5 is connected and connects with hub circle 1, and described hollow output shaft 5 is set on fulcrum 20, and the axial line of the axial line of hollow output shaft 5 and fulcrum 20 is in same axis, and an end of hollow output shaft 5 is connected with described end face 2.
Described hollow output shaft 5 is provided with at least two driven gears 9, and driven gear 9 can rotate on hollow output shaft 5, each driven gear 9 diameter differences, and on same power shaft 6, corresponding cover has the driving gear 10 meshed with described each driven gear 9.The present invention is provided with 9, two driven gears 9 of two driven gears and is fixed on hollow output shaft 5 by jump ring 56 on hollow output shaft 5, and the diameter of each driven gear 9 on hollow output shaft 5 is not identical.
Described driven gear 9 is provided with internal tooth 11, be arranged with a pair of ratchet loose slot 12 at driven gear 9 on sheathed this section hollow output shaft 5, be provided with ratchet 13 in ratchet loose slot 12, ratchet 13 can be in ratchet loose slot 12 along hollow output shaft 5 tilting radially, described ratchet 13 is through on pawl axis 55, be provided with the spring 14 that makes ratchet 13 1 end perks in ratchet loose slot 12, in the normality situation, spring 14 makes ratchet 13 perk one ends be in the outside of hollow output shaft 5, and the other end is in axis hole 15.When ratchet loose slot 12 is stuck up in ratchet 13 outer ends, may be stuck in internal tooth 11 and with internal tooth 11 and engage, driven gear 9 is rotated together with hollow output shaft 5.When ratchet 13 outer ends are stuck up into ratchet loose slot 12, ratchet 13 separates with internal tooth 11, and driven gear 9 just rotates around hollow output shaft 5.Ratchet 13 forms a ratchet snap-in structure with driven gear 9 like this, has unidirectional drive.Be provided with sliding part 16 in the axis hole of described hollow output shaft 5, but when sliding part 16 endwisely slips in axis hole 15, jack-up ratchet 13 sticks up into end.
After motor 3 energisings are rotated, during generator shaft gear 47 rotation, drive input shaft gear 45 to rotate, thereby band driven input shaft 6 rotate.Two driving gears 10 of power shaft 6 rotate thereupon, with the also rotation thereupon of driven gear 9 of driving gear 10 engagements.
Be provided with an end in the hole 25 of described fulcrum 20 and be connected to the adjusting rod 30 on fastener 66, adjusting rod 30 can be with moved fastener 66 to slide in axis hole 15 with driving sliding part 16.The other end of adjusting rod 30 extends the outer end of fulcrum 20.Described adjusting rod 30 other ends are connected on the sliding bar 8 of electromagnetism suction 39, drive sliding bar 8 and adjusting rod 30 and sliding part 16 position at axis hole 15 when described electromagnetism is inhaled 39 energising.
It is the electromagnetism suction of way moving that electromagnetism of the present invention is inhaled, when electromagnetism is inhaled 39 energising, electromagnetism is inhaled 39 generation magnetic force sliding bar 8 is inhaled and come, when sliding bar 8 moves, promotion adjusting rod 30 and sliding part 16 move toward motor 3 directions, now sliding part 16 leaves sticking up into end of the ratchet 13 that coordinates with the driven gear 9 of top gear, ratchet 13 its perk end under the effect of spring 14 just engages with the internal tooth 11 of the driven gear 9 of top gear, as shown in Figure 3.It is now second gear that the driven gear 9 of top gear drives hollow output shaft 20 rotations.
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, Fig. 7, described band buffering transmission main shaft, comprise main shaft 6, is fixed with input tooth 45 on main shaft 6,10 empty sets of driving gear are on main shaft 6, the limited ground of driving gear 10 can rotate on main shaft 6.
After motor 3 energisings are rotated, during generator shaft gear 47 rotation, drive input shaft gear 45 to rotate, input shaft gear 45 can first rotate a certain angle to driving gear 10, make groove 36 Elastic elements 38 compressed, by flexible member 38, drive projection 37 that driving gear 10 is rotated together afterwards, power passes to output shaft 5 and hub circle 1 after above-mentioned damping, buffering again.Thereby realize the purpose of damping, buffering.
Flexible member of the present invention belongs to spring and also can replace with rubber, can reach equally the technique effect of damping, buffering.
Claims (2)
1. a band buffering variable speed electric motors, particularly, comprise gearbox body (21), is fixed with motor (3) on gearbox body (21), and the power line (59) of motor (3) is stretched from motor casing;
Rotate and be provided with hollow output shaft (5) and power shaft (6) in described gearbox body (21), generator shaft gear (47) engaged transmission on the input shaft gear (45) on described power shaft (6) and motor shaft (46);
Described hollow output shaft (5) is provided with at least two driven gears (9), driven gear (9) can be in the upper rotation of hollow output shaft (5), the upper corresponding cover of described power shaft (6) has the driving gear (10) with driven gear (9) engaged transmission, described power shaft (6) and the driving gear (10) be enclosed within on this power shaft (6) form a gear train, it is characterized in that: between described input shaft gear (45) and driving gear (10), be provided with flexible member (38), input shaft gear (45) is fixed on power shaft (6), driving gear (10) is limited in the upper rotation of power shaft (6),
Described driven gear (9) is provided with internal tooth (11), hollow output shaft (5) is provided with ratchet loose slot (12), pawl axis (55) is through being located at the ratchet (13) in ratchet loose slot (12), ratchet (13) can be in ratchet loose slot (12) tilting, ratchet loose slot (12) is inner to be provided with and ratchet (13) to be acted on hollow output shaft (5) make the perk of one end and be stuck in the spring (14) on internal tooth (11);
The axis hole (15) of described hollow output shaft (5) but in be provided with jack-up ratchet (13) and stick up the sliding part (16) into end.
2. band according to claim 1 cushions variable speed electric motors, particularly, it is characterized in that: described adjusting rod (30) is connected with electromagnetism and inhales (39), can mobile sliding part (16) when electromagnetism is inhaled (39) energising in the position of axis hole (15), described electromagnetism is inhaled (39) and is connected with adjusting rod (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210198934 CN103457408A (en) | 2012-06-04 | 2012-06-04 | Buffered variable speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210198934 CN103457408A (en) | 2012-06-04 | 2012-06-04 | Buffered variable speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103457408A true CN103457408A (en) | 2013-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210198934 Pending CN103457408A (en) | 2012-06-04 | 2012-06-04 | Buffered variable speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103457408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336089A (en) * | 2020-03-11 | 2020-06-26 | 赵金山 | Gas compressor capable of utilizing waste heat |
-
2012
- 2012-06-04 CN CN 201210198934 patent/CN103457408A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336089A (en) * | 2020-03-11 | 2020-06-26 | 赵金山 | Gas compressor capable of utilizing waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131218 |