CN214084648U - External motorcycle reversing aid - Google Patents
External motorcycle reversing aid Download PDFInfo
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- CN214084648U CN214084648U CN202022252119.1U CN202022252119U CN214084648U CN 214084648 U CN214084648 U CN 214084648U CN 202022252119 U CN202022252119 U CN 202022252119U CN 214084648 U CN214084648 U CN 214084648U
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Abstract
The utility model discloses an external motorcycle reversing aid, which comprises a shell, a power input shaft, a power output shaft, a spline shaft, a first driven internal-staggered type conical gear, a second driven internal-staggered type conical gear, an output conical gear, a reversing fork and a two-way clutch gear, wherein the upper end of the shell is provided with a first round hole, the power input shaft is positioned in the first round hole, one end of the power input shaft extends into the shell, the end of the power input shaft extending into the shell is provided with the first conical gear, the power output shaft is sleeved on the power input shaft and can freely rotate respectively, one end of the power input shaft extends into the shell, the end of the power input shaft extending into the shell is provided with a second conical gear, the side end of the shell is provided with a second round hole, the second round hole penetrates through the shell, the spline shaft is positioned in the shell, the central axis of the spline shaft and the central axis of the second round hole coincide, the spline shaft is provided with a key slot, the output bevel gear is arranged at one end of the spline shaft and is meshed with the second bevel gear.
Description
Technical Field
The utility model relates to a motorcycle parts field specifically indicates an external motorcycle assistor of backing a car.
Background
The motorcycle is a common vehicle in daily life and work, is visible everywhere on roads in cities or villages, has high technological content, powerful power and beautiful appearance and is continuously welcomed by users. Taking a motorcycle with 250CC displacement as an example, products of all manufacturers exceed 150 kg; the manpower cart is very laborious, the road condition is difficult, only imported vehicle types in the existing products are provided with a reversing mechanism and are arranged in a gearbox, but the selling price of the manpower cart is higher than that of a household car, the autonomous brand motorcycle is not provided with a reversing function, the gearbox is necessarily redesigned if necessary, and a large amount of manpower and financial resources are consumed; therefore, the external backing auxiliary device does not need to redesign a gearbox, and the backing function of the two-wheel chain transmission motorcycle is realized.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide an external motorcycle assistor of backing a car.
In order to solve the technical problem, the utility model provides a technical scheme is an external motorcycle assistor of backing a car: including casing, power input shaft, power output shaft, integral key shaft, first driven interior wrong formula taper gear, second driven interior wrong formula taper gear, output taper gear, switching-over shift fork and two-way clutch gear, the casing upper end is equipped with first round hole, the power input shaft is located first round hole and the one end of power input shaft extends into the casing, the one end that the power input shaft extends into the casing is equipped with first taper gear, power output shaft cover is on the power input shaft and can free rotation separately, the one end of power input shaft extends into the casing, the one end that the power input shaft extends into the casing is equipped with second taper gear, the casing side is equipped with the second round hole, the second round hole runs through the casing, the integral key shaft is located the casing, the center pin of integral key shaft and the center pin coincidence of second round hole, be equipped with the keyway on the integral key shaft, the output bevel gear is arranged at one end of the spline shaft, the output bevel gear is meshed with the second bevel gear, the first driven internally staggered bevel gear is arranged at one end of the spline shaft, the first driven internally staggered bevel gear is meshed with the first bevel gear, the second driven internally staggered bevel gear is arranged at the other end of the spline shaft, the second driven internally staggered bevel gear is meshed with the first bevel gear, the two-way clutch gear is arranged on the spline shaft and is positioned between the first driven internally staggered bevel gear and the second driven internally staggered bevel gear, the two-way clutch gear is matched with the first driven internally staggered bevel gear and the second driven internally staggered bevel gear, the shell side end is provided with a connecting part, a notch is arranged on the connecting part, the notch extends into the shell, and a pedal is arranged on the connecting part in a rotating manner, the reversing shifting fork is located in the notch, one end of the reversing shifting fork is connected with the pedal, and the other end of the reversing shifting fork extends into the shell and is matched with the bidirectional clutch gear.
As an improvement, a third round hole is formed in one end, located outside the shell, of the power input shaft, splines are arranged in the third round hole, the number of the splines is more than three, one end, located outside the shell, of the power output shaft and one end, located outside the shell, of the power input shaft are parallel and level, and a chain wheel is arranged at one end, located outside the shell, of the power output shaft.
As an improvement, one end of the first driven internally staggered bevel gear, which is close to the two-way clutch gear, is provided with a first slotted hole, the inner wall of the first slotted hole is provided with a first tooth, one end of the second driven internally staggered bevel gear, which is close to the two-way clutch gear, is provided with a second slotted hole, the inner wall of the second slotted hole is provided with a second tooth, the two ends of the two-way clutch gear are symmetrically provided with third teeth, and the first tooth and the second tooth are respectively matched with the corresponding third teeth.
As an improvement, the bidirectional clutch gear is symmetrically provided with baffles, one end of the reversing shifting fork extending into the shell is matched with the baffles, the bidirectional clutch gear is provided with keys, and the bidirectional clutch gear is connected with the key slots through the keys.
As an improvement, the positions of the second round holes on the two sides of the shell are respectively provided with a first cover and a second cover, the first cover is connected with the shell through bolts, the first cover is rotationally connected with the spline shaft, the second cover is connected with the shell through bolts, and the second cover is rotationally connected with the output bevel gear.
As an improvement, a key is arranged on the output conical gear, and the output conical gear is connected with the key groove through the key.
As an improvement, the first driven staggered-in type bevel gear is rotationally connected with the spline shaft.
As an improvement, the second driven staggered-in type bevel gear is rotationally connected with the spline shaft.
As an improvement, the side surface where the connecting part is located is perpendicular to the side surface where the second round hole is located.
As an improvement, the first bevel gear has a limiting effect on the power output shaft.
Compared with the prior art, the utility model the advantage lie in: the first bevel gear at one end of the power input shaft can drive the first driven staggered-in bevel gear and the second driven staggered-in bevel gear to rotate, the rotating directions of the first driven staggered-in bevel gear and the second driven staggered-in bevel gear are opposite, the bidirectional clutch gear is arranged, the bidirectional clutch gear can be shifted through the reversing shifting fork, when the vehicle moves forwards, the bidirectional clutch gear is shifted to be meshed with the first driven staggered-in bevel gear through the reversing shifting fork, the spline shaft can be driven to rotate by the bidirectional clutch gear, the spline shaft drives the output bevel gear to rotate, the output bevel gear drives the second bevel gear to rotate with the power output shaft, the vehicle can be driven to move forwards through the chain wheel, when the vehicle needs to be reversed, the bidirectional clutch gear is shifted to be meshed with the second driven staggered-in bevel gear through the reversing shifting fork, and then the bidirectional clutch gear can rotate reversely, the bidirectional clutch gear drives the power output shaft to rotate reversely through the spline shaft, the output bevel gear and the second bevel gear, at the moment, the vehicle can be driven to back through the chain wheel, the backing auxiliary device can be installed outside the motorcycle, a gearbox does not need to be redesigned, the backing function of the two-wheel chain transmission motorcycle is achieved, and the manufacturing cost is low.
Drawings
Fig. 1 is a first structural schematic diagram of the external motorcycle reversing aid of the present invention.
Fig. 2 is a second structural schematic diagram of the external motorcycle reversing aid of the present invention.
Fig. 3 is a third structural schematic diagram of the external motorcycle reversing aid of the present invention.
Fig. 4 is a fourth structural schematic diagram of the external motorcycle reversing aid of the present invention.
Fig. 5 is a fifth structural schematic view of the external motorcycle reversing aid of the present invention.
Fig. 6 is a cross-sectional view at a-a in fig. 3.
Fig. 7 is a schematic structural view of the spline shaft of the external motorcycle reversing aid of the present invention.
Fig. 8 is a schematic structural view of a first driven internally staggered bevel gear of the external motorcycle reverse assist device of the present invention.
Fig. 9 is a schematic structural view of a second driven internally staggered bevel gear of the external motorcycle reverse assist device of the present invention.
Fig. 10 is a schematic structural view of the bidirectional clutch gear of the external motorcycle reversing aid of the present invention.
Fig. 11 is a schematic structural view of an output bevel gear of the external motorcycle reversing aid of the present invention.
As shown in the figure: 1. the power transmission device comprises a shell, 2, a power input shaft, 3, a power output shaft, 4, a spline shaft, 5, a first driven staggered-in type bevel gear, 6, a second driven staggered-in type bevel gear, 7, an output bevel gear, 8, a reversing fork, 9, a two-way clutch gear, 10, a first round hole, 11, a first bevel gear, 12, a second bevel gear, 13, a second round hole, 14, a key groove, 15, a connecting part, 16, a notch, 17, a pedal, 18, a third round hole, 19, a spline, 20, a chain wheel, 21, a first slotted hole, 22, a first tooth, 23, a second slotted hole, 24, a second tooth, 25, a third tooth, 26, a baffle plate, 27, a first cover, 28 and a second cover.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings for an external motorcycle reverse assist device of the present invention.
With reference to the attached drawings 1-11, an external motorcycle reversing aid comprises a shell 1, a power input shaft 2, a power output shaft 3, a spline shaft 4, a first driven internally staggered bevel gear 5, a second driven internally staggered bevel gear 6, an output bevel gear 7, a reversing shift fork 8 and a two-way clutch gear 9, wherein the upper end of the shell 1 is provided with a first round hole 10, the power input shaft 2 is positioned in the first round hole 10, one end of the power input shaft 2 extends into the shell 1, one end of the power input shaft 2 extending into the shell 1 is provided with the first bevel gear 11, the power output shaft 3 is sleeved on the power input shaft 2 and can freely rotate respectively, one end of the power input shaft 2 extends into the shell 1, one end of the power input shaft 2 extending into the shell 1 is provided with a second bevel gear 12, the side end of the shell 1 is provided with a second round hole 13, the second round hole 13 penetrates through the shell 1, the spline shaft 4 is positioned in the shell 1, the center shaft of the spline shaft 4 coincides with the center shaft of the second round hole 13, the spline shaft 4 is provided with a key groove 14, the output bevel gear 7 is arranged at one end of the spline shaft 4, the output bevel gear 7 is meshed with the second bevel gear 12, the first driven internally-staggered bevel gear 5 is arranged at one end of the spline shaft 4 provided with the output bevel gear 7, the first driven internally-staggered bevel gear 5 is meshed with the first bevel gear 11, the second driven internally-staggered bevel gear 6 is arranged at the other end of the spline shaft 4, the second driven internally-staggered bevel gear 6 is meshed with the first bevel gear 11, the two-way clutch gear 9 is arranged on the spline shaft 4 and positioned between the first driven internally-staggered bevel gear 5 and the second driven internally-staggered bevel gear 6, bidirectional clutch gear 9 cooperates with first driven interior wrong formula taper gear 5, the driven interior wrong formula taper gear 6 of second, 1 side of casing is equipped with connecting portion 15, be equipped with notch 16 on connecting portion 15, notch 16 extends into in the casing 1, it is equipped with footboard 17 to rotate on connecting portion 15, switching-over shift fork 8 is located notch 16, the one end and the footboard 17 of switching-over shift fork 8 are connected, the other end of switching-over shift fork 8 extend into casing 1 in and with bidirectional clutch gear 9 cooperation.
The one end that power input shaft 2 is located the casing 1 outside is equipped with third round hole 18, be equipped with spline 19 in the third round hole 18, the quantity of spline 19 is equipped with more than three, the one end that power output shaft 3 is located the casing 1 outside and power input shaft 2 are located the casing 1 one end parallel and level, the one end that power output shaft 3 is located the casing 1 outside is equipped with sprocket 20.
First driven interior wrong formula tapered gear 5 is close to the one end of two-way clutch gear 9 and is equipped with first slotted hole 21, be equipped with first tooth 22 on the first slotted hole 21 inner wall, the one end that second driven interior wrong formula tapered gear 6 is close to two-way clutch gear 9 is equipped with second slotted hole 23, be equipped with second tooth 24 on the second slotted hole 23 inner wall, two-way clutch gear 9 both ends symmetry is equipped with third tooth 25, first tooth 22, second tooth 24 respectively with the cooperation of corresponding third tooth 25.
The bidirectional clutch gear 9 is symmetrically provided with baffles 26, one end of the reversing shifting fork 8 extending into the shell 1 is matched with the baffles 26, a key is arranged on the bidirectional clutch gear 9, and the bidirectional clutch gear 9 is connected with the key groove 14 through the key.
The position of the second round hole 13 on the two sides of the shell 1 is respectively provided with a first cover 27 and a second cover 28, the first cover 27 is connected with the shell 1 through a bolt, the first cover 27 is connected with the spline shaft 4 in a rotating manner, the second cover 28 is connected with the shell 1 through a bolt, and the second cover 28 is connected with the output bevel gear 7 in a rotating manner.
The output bevel gear 7 is provided with a key, and the output bevel gear 7 is connected with the key groove 14 through the key.
The first driven staggered-in type conical gear 5 is rotationally connected with the spline shaft 4.
And the second driven staggered-in type conical gear 6 is rotationally connected with the spline shaft 4.
The side surface of the connecting part 15 is perpendicular to the side surface of the second round hole 13.
The first bevel gear 11 has a limiting effect on the power output shaft 3.
When the utility model is implemented specifically, when in use, the rear countershaft of the engine is connected with one end of the power input shaft 2 which is positioned outside the shell 1, the first conical gear 11 at one end of the power input shaft 2 can drive the first driven inward-staggered conical gear 5 and the second driven inward-staggered conical gear 6 to rotate, at the moment, the rotating directions of the first driven inward-staggered conical gear 5 and the second driven inward-staggered conical gear 6 are opposite, the two-way clutch gear 9 is arranged, and the two-way clutch gear 9 can be shifted by the reversing shifting fork 8; when the vehicle moves forwards, the two-way clutch gear 9 is shifted to be meshed with the first driven staggered cone-shaped gear 5 through the reversing shifting fork 8, at the moment, the two-way clutch gear 9 can drive the spline shaft 4 to rotate, the spline shaft 4 drives the output cone-shaped gear 7 to rotate, the output cone-shaped gear 7 drives the second cone-shaped gear 12 and the power output shaft 3 to rotate, at the moment, the vehicle can be driven to move forwards through the chain wheel 20, when the vehicle needs to be reversed, the two-way clutch gear 9 is shifted to be meshed with the second driven staggered cone-shaped gear 6 through the reversing shifting fork 8, at the moment, the two-way clutch gear 9 can be reversed, the two-way clutch gear 9 can drive the spline shaft 4 to rotate, the spline shaft 4 drives the output cone-shaped gear 7 to rotate, the output cone-shaped gear 7 drives the second cone-shaped gear 12 and the power output shaft 3 to rotate reversely, and at the moment, the vehicle can be driven to reverse through the chain wheel 20.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (10)
1. An external motorcycle reverse aid is characterized in that: comprises a shell (1), a power input shaft (2), a power output shaft (3), a spline shaft (4), a first driven internal staggered bevel gear (5), a second driven internal staggered bevel gear (6), an output bevel gear (7), a reversing shifting fork (8) and a two-way clutch gear (9), wherein a first round hole (10) is formed in the upper end of the shell (1), the power input shaft (2) is positioned in the first round hole (10), one end of the power input shaft (2) extends into the shell (1), one end of the power input shaft (2) extending into the shell (1) is provided with a first bevel gear (11), the power output shaft (3) is sleeved on the power input shaft (2) and can freely rotate respectively, one end of the power input shaft (2) extends into the shell (1), one end of the power input shaft (2) extending into the shell (1) is provided with a second bevel gear (12), the shell (1) side is provided with a second round hole (13), the second round hole (13) penetrates through the shell (1), the spline shaft (4) is located in the shell (1), the center shaft of the spline shaft (4) and the center shaft of the second round hole (13) coincide, a key groove (14) is formed in the spline shaft (4), the output bevel gear (7) is arranged at one end of the spline shaft (4), the output bevel gear (7) is meshed with the second bevel gear (12), the first driven internally staggered bevel gear (5) is arranged at one end of the spline shaft (4) provided with the output bevel gear (7), the first driven internally staggered bevel gear (5) is meshed with the first bevel gear (11), the second driven internally staggered bevel gear (6) is arranged at the other end of the spline shaft (4), the second driven internally staggered bevel gear (6) is meshed with the first bevel gear (11), two-way clutch gear (9) set up on integral key shaft (4) and lie in between first driven interior wrong formula taper gear (5) and the driven interior wrong formula taper gear (6) of second, two-way clutch gear (9) and first driven interior wrong formula taper gear (5), the cooperation of the driven interior wrong formula taper gear (6) of second, casing (1) side is equipped with connecting portion (15), be equipped with notch (16) on connecting portion (15), notch (16) extend into casing (1), it is equipped with footboard (17) to rotate on connecting portion (15), switching-over shift fork (8) are located notch (16), the one end and the footboard (17) of switching-over shift fork (8) are connected, the other end of switching-over shift fork (8) extends into casing (1) and cooperates with two-way clutch gear (9).
2. The external motorcycle reverse aid of claim 1, characterized in that: the power input shaft (2) is located the outer one end of casing (1) and is equipped with third round hole (18), be equipped with spline (19) on the inside of third round hole (18), the quantity of spline (19) is equipped with more than three, power output shaft (3) are located the outer one end parallel and level of casing (1) of outer one end and power input shaft (2) of casing (1), power output shaft (3) are located the outer one end of casing (1) and are equipped with sprocket (20).
3. The external motorcycle reverse aid of claim 1, characterized in that: first driven interior wrong formula tapered gear (5) are close to the one end of two-way clutch gear (9) and are equipped with first slotted hole (21), be equipped with first tooth (22) on first slotted hole (21) inner wall, the one end that second driven interior wrong formula tapered gear (6) are close to two-way clutch gear (9) is equipped with second slotted hole (23), be equipped with second tooth (24) on second slotted hole (23) inner wall, two-way clutch gear (9) both ends symmetry is equipped with third tooth (25), first tooth (22), second tooth (24) cooperate with corresponding third tooth (25) respectively.
4. The external motorcycle reverse aid of claim 1, characterized in that: the bidirectional clutch gear (9) is symmetrically provided with a baffle (26), the reversing shifting fork (8) extends into one end of the shell (1) to be matched with the baffle (26), a key is arranged on the bidirectional clutch gear (9), and the bidirectional clutch gear (9) is connected with the key groove (14) through the key.
5. The external motorcycle reverse aid of claim 1, characterized in that: the position of the second round hole (13) on the two sides of the shell (1) is respectively provided with a first cover (27) and a second cover (28), the first cover (27) and the shell (1) are connected through bolts, the first cover (27) and the spline shaft (4) are connected in a rotating mode, the second cover (28) and the shell (1) are connected through bolts, and the second cover (28) and the output bevel gear (7) are connected in a rotating mode.
6. The external motorcycle reverse aid of claim 1, characterized in that: the output bevel gear (7) is provided with a key, and the output bevel gear (7) is connected with the key groove (14) through the key.
7. The external motorcycle reverse aid of claim 1, characterized in that: the first driven staggered-in type conical gear (5) is rotationally connected with the spline shaft (4).
8. The external motorcycle reverse aid of claim 1, characterized in that: and the second driven inward-staggered type conical gear (6) is rotationally connected with the spline shaft (4).
9. The external motorcycle reverse aid of claim 1, characterized in that: the side surface where the connecting part (15) is located is perpendicular to the side surface where the second round hole (13) is located.
10. The external motorcycle reverse aid of claim 1, characterized in that: the first bevel gear (11) has a limiting effect on the power output shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252119.1U CN214084648U (en) | 2020-10-12 | 2020-10-12 | External motorcycle reversing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022252119.1U CN214084648U (en) | 2020-10-12 | 2020-10-12 | External motorcycle reversing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214084648U true CN214084648U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022252119.1U Active CN214084648U (en) | 2020-10-12 | 2020-10-12 | External motorcycle reversing aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214084648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224332A (en) * | 2020-10-12 | 2021-01-15 | 谭贤富 | External motorcycle reversing aid |
-
2020
- 2020-10-12 CN CN202022252119.1U patent/CN214084648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224332A (en) * | 2020-10-12 | 2021-01-15 | 谭贤富 | External motorcycle reversing aid |
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