CN213892171U - One-way two-stage chain transmission device - Google Patents
One-way two-stage chain transmission device Download PDFInfo
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- CN213892171U CN213892171U CN202022852958.7U CN202022852958U CN213892171U CN 213892171 U CN213892171 U CN 213892171U CN 202022852958 U CN202022852958 U CN 202022852958U CN 213892171 U CN213892171 U CN 213892171U
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Abstract
The utility model discloses an one-way second grade chain drive, include: the device comprises a motor, a first-stage small chain wheel, a first-stage chain, a first-stage large chain wheel, a first-stage transmission shaft and a one-way clutch; the motor with the little sprocket of one-level is connected, the little sprocket of one-level with the big sprocket of one-level passes through the one-level chain to be connected, the big sprocket of one-level with one-way clutch connects fixedly, one-way clutch with the one-level transmission shaft is connected, the one-level transmission shaft gives the wheel subassembly with power transmission. The utility model discloses can prevent the motor reversal, influence the life of motor.
Description
Technical Field
The utility model relates to an electronic cross-country kart accessory technical field. More specifically, the utility model relates to an one-way second grade chain drive.
Background
At present, the electric cross-country kart mostly adopts a transmission arrangement mode that a motor is directly connected with a rear axle, and the mode is easy to reverse the motor due to design limitation when in experience, so that adverse risks are generated to the motor, and the service life of the motor is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an one-way second grade chain drive can prevent the motor reversal, influences the life of motor.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an unidirectional two-stage chain transmission, comprising: the device comprises a motor, a first-stage small chain wheel, a first-stage chain, a first-stage large chain wheel, a first-stage transmission shaft and a one-way clutch; the motor with the little sprocket of one-level is connected, the little sprocket of one-level with the big sprocket of one-level passes through the one-level chain to be connected, the big sprocket of one-level with one-way clutch connects fixedly, one-way clutch with the one-level transmission shaft is connected, the one-level transmission shaft gives the wheel subassembly with power transmission.
Preferably, the primary large chain wheel is fixedly connected with an outer ring of the one-way clutch, and an inner ring of the one-way clutch is connected with the primary transmission shaft.
Preferably, the method further comprises the following steps: a second-stage small chain wheel, a second-stage chain and a second-stage large chain wheel;
the small second-stage chain wheel is connected with the first-stage transmission shaft, the large second-stage chain wheel is connected with the small second-stage chain wheel through a second-stage chain, and the large second-stage chain wheel transmits power to the wheel assembly through the first-stage transmission shaft.
Preferably, the diameter of the first-stage small chain wheel is 60-70 cm, the diameter of the first-stage large chain wheel is 181-191 cm, the diameter of the second-stage small chain wheel is 78-88 cm, and the diameter of the second-stage large chain wheel is 228-238 cm.
Preferably, the motor is fixed by a first bracket, and a shaft rod of the wheel assembly is connected with a second bracket by a bearing; the first bracket and the second bracket are both provided with oiling devices; the oiling station includes: the oil storage box is provided with an oil inlet at the upper part, the lower part is of a tapered structure with the diameter gradually reduced, the lower part of the oil storage box is an oil outlet, the oil inlet is sealed through a cover body, and the oil outlet is sealed through a plug body.
The utility model discloses at least, include following beneficial effect: the motor among the one-way second grade chain drive transmits power for one-way clutch by the little sprocket of one-level, one-level chain and the big sprocket of one-level, and one-way clutch transmits power for the wheel through the one-level transmission shaft, through setting up one-way clutch, when guaranteeing that the wheel is initiative power transmission, one-way clutch can break off power transmission, prevents the damage that the motor reversal caused, also can improve the life of one-level chain simultaneously.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the unidirectional two-stage chain transmission of the present invention;
fig. 2 is a schematic structural diagram of the oiling device of the utility model.
Description of reference numerals: 1 motor, 2 one-level little sprockets, 3 one-level chains, 4 one-level big sprockets, 5 one-way clutch, 6 one-level transmission shafts, 7 second grade little sprockets, 8 second grade chains, 9 second grade big sprockets, 10 wheels, 11 first supports, 12 oil storage box, 13 lids, 14 cock bodies.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention by referring to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides an one-way two-stage chain 8 transmission, include: the device comprises a motor 1, a primary small chain wheel 2, a primary chain 3, a primary large chain wheel 4, a primary transmission shaft 6 and a one-way clutch 5; the motor 1 with the little sprocket 2 of one-level is connected, the little sprocket 2 of one-level with the big sprocket 4 of one-level passes through one-level chain 3 and connects, the big sprocket 4 of one-level with one-way clutch 5 is connected fixedly, one-way clutch 5 with one-level transmission shaft 6 is connected, wheel subassembly is given with power transmission to one-level transmission shaft 6.
In above-mentioned technical scheme, motor 1 among the 8 transmission of one-way second grade chain is by one-level little sprocket 2, one-level chain 3 and the transmission of one-level big sprocket 4 give one-way clutch 5, one-way clutch 5 passes through one-level transmission shaft 6 and gives wheel 10 with power transmission, through setting up one-way clutch 5, when guaranteeing wheel 10 to be the initiative power transmission, one-way clutch 5 can break off the power transmission, prevent the damage that motor 1 reversal caused, also can improve one-level chain 3's life simultaneously.
Furthermore, the primary large chain wheel 4 is fixedly connected with the outer ring of the one-way clutch 5, and the inner ring of the one-way clutch 5 is connected with the primary transmission shaft 6. When the motor 1 is used as a main power, the primary large chain wheel 4 drives the outer ring of the one-way clutch 5 to rotate, the outer ring drives the inner ring to synchronously operate through a plurality of wedges with special shapes inside, and when the wheel 10 is used as the main power, the inner ring of the one-way clutch 5 can be separated from the outer ring power of the one-way clutch and rotates along with the primary transmission shaft 6, so that the motor is prevented from reversing, and the motor is protected.
Further, still include: a secondary small chain wheel 7, a secondary chain 8 and a secondary large chain wheel 9; the second-stage small chain wheel 7 is connected with the first-stage transmission shaft 6, the second-stage large chain wheel 9 is connected with the second-stage small chain wheel 7 through a second-stage chain 8, and the first-stage transmission shaft 6 transmits power to the wheel assembly through the second-stage large chain wheel 9.
In the technical scheme, under the condition of equal arrangement space, the speed ratio with larger design requirement is realized, the condition that the arrangement can not be finished only by using the primary transmission can be solved by setting the secondary transmission, and the arrangement is more compact. In addition, the arrangement of the secondary chain 8 can better protect the primary chain and prolong the service life of the primary chain.
Further, the diameter of the first-stage small chain wheel 2 is 64.5cm, the diameter of the first-stage large chain wheel 4 is 186cm, the diameter of the second-stage small chain wheel 7 is 83cm, and the diameter of the second-stage large chain wheel 9 is 233 m.
Further, as shown in fig. 2, the motor 1 is fixed by a first bracket 11, and a second bracket is connected to a shaft rod of the wheel assembly through a bearing; the first support 11 and the second support are both provided with oiling devices; the oiling station includes: the oil storage box 12 is provided with an oil inlet at the upper part and a tapered structure with gradually reduced diameter at the lower part, the oil outlet is arranged at the lower part of the oil storage box 12, the oil inlet is sealed by a cover body 13, and the oil outlet is sealed by a plug body 14.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (5)
1. A unidirectional secondary chain transmission, comprising: the device comprises a motor, a first-stage small chain wheel, a first-stage chain, a first-stage large chain wheel, a first-stage transmission shaft and a one-way clutch; the motor with the little sprocket of one-level is connected, the little sprocket of one-level with the big sprocket of one-level passes through the one-level chain to be connected, the big sprocket of one-level with one-way clutch connects fixedly, one-way clutch with the one-level transmission shaft is connected, the one-level transmission shaft gives the wheel subassembly with power transmission.
2. The unidirectional secondary chain transmission device of claim 1, wherein the primary large sprocket is fixedly connected to an outer ring of the one-way clutch, and an inner ring of the one-way clutch is connected to the primary drive shaft.
3. The unidirectional secondary chain transmission device of claim 1 or 2, further comprising: a second-stage small chain wheel, a second-stage chain and a second-stage large chain wheel;
the small second-stage chain wheel is connected with the first-stage transmission shaft, the large second-stage chain wheel is connected with the small second-stage chain wheel through a second-stage chain, and the large second-stage chain wheel transmits power to the wheel assembly through the first-stage transmission shaft.
4. The unidirectional secondary chain transmission device of claim 3, wherein the diameter of the primary small chain wheel is 60 to 70cm, the diameter of the primary large chain wheel is 181 to 191cm, the diameter of the secondary small chain wheel is 78 to 88cm, and the diameter of the secondary large chain wheel is 228 to 238 cm.
5. The unidirectional secondary chain transmission of claim 1, wherein the motor is fixed by a first bracket, and a second bracket is connected to a shaft of the wheel assembly by a bearing; the first bracket and the second bracket are both provided with oiling devices; the oiling station includes: the oil storage box is provided with an oil inlet at the upper part, the lower part is of a tapered structure with the diameter gradually reduced, the lower part of the oil storage box is an oil outlet, the oil inlet is sealed through a cover body, and the oil outlet is sealed through a plug body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022852958.7U CN213892171U (en) | 2020-12-02 | 2020-12-02 | One-way two-stage chain transmission device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022852958.7U CN213892171U (en) | 2020-12-02 | 2020-12-02 | One-way two-stage chain transmission device |
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CN213892171U true CN213892171U (en) | 2021-08-06 |
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CN202022852958.7U Active CN213892171U (en) | 2020-12-02 | 2020-12-02 | One-way two-stage chain transmission device |
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CN (1) | CN213892171U (en) |
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2020
- 2020-12-02 CN CN202022852958.7U patent/CN213892171U/en active Active
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