CN218301122U - Jack motor hub - Google Patents
Jack motor hub Download PDFInfo
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- CN218301122U CN218301122U CN202222574874.0U CN202222574874U CN218301122U CN 218301122 U CN218301122 U CN 218301122U CN 202222574874 U CN202222574874 U CN 202222574874U CN 218301122 U CN218301122 U CN 218301122U
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- jack
- motor
- ratchet
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- tooth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model discloses a jack motor flower-drum, it is used for with the power transmission of electric bicycle's flywheel to motor body on, include: the external jack base is detachably connected to the motor body; the tower footing outer shell is used for being connected with the flywheel; the one-way transmission assembly is arranged on one side, far away from the motor body, of the external jack base; the tower base shell drives the external jack base to rotate in a single direction through the one-way transmission assembly. Through connecting external very heavy base in one side of motor body, set up one-way transmission assembly between external very heavy base and the column foot shell, one-way drive assembly can realize the one-way transmission of external force of column foot shell input to external very heavy base to the realization sets up very heavy motor flower-drum outside motor body, saves the inside space of motor body, does not influence the inside spare part of motor and arranges.
Description
Technical Field
The utility model belongs to the technical field of electric bicycle, specifically speaking relates to a jack motor flower-drum.
Background
At present, urban traffic roads are gradually crowded, electric bicycles for short-distance traffic in cities are gradually widely used, and the electric bicycles also have the advantages of energy conservation, environmental protection and the like.
In the prior art, an electric bicycle mostly adopts a mechanical pedal structure and an electric drive dual-function combined use. The motor with the built-in jack motor hub occupies more space inside the motor, and design of other parts inside the motor is limited.
Therefore, research and development a jack motor flower-drum, connect in the outside of motor, do not occupy the motor inner space, the design of the inside other spare parts of the motor of being convenient for, the technical problem who awaits the solution for urgent need.
Disclosure of Invention
To the problem pointed out in the background art, the utility model provides a very heavy motor flower-drum connects in the outside of motor, does not occupy the motor inner space, the design of the inside other spare parts of the motor of being convenient for.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
a jack motor hub for transmitting power of a flywheel of an electric bicycle to a motor body, comprising: the external jack base is detachably connected to the motor body; the tower footing outer shell is used for being connected with the flywheel; the one-way transmission assembly is arranged on one side, far away from the motor body, of the external jack base; the tower base shell drives the external jack base to rotate in a single direction through the one-way transmission assembly.
In some embodiments of the present application, the one-way transmission assembly includes a plurality of single ratchets, a plurality of single-tooth spring plates, and a gear ring, wherein the gear ring is an inner gear ring connected to the inner wall of the tower footing outer shell; a boss is arranged on one side, far away from the motor body, of the external jack base, and a plurality of first grooves and a plurality of second grooves are formed at intervals along the circumferential direction of the boss; the first end of the single ratchet is embedded into the first groove, and the second end of the single ratchet is matched with the gear ring; the first end of the single-tooth elastic piece is embedded into the second groove, the second end of the single-tooth elastic piece abuts against one side of the second end of the single ratchet, and the single-tooth elastic piece is used for preventing the single ratchet from rotating towards the direction of the single ratchet.
In some embodiments of the present application, the one-way transmission assembly includes a plurality of single ratchets, a plurality of single-tooth shrapnels, and a gear ring, where the gear ring is an external gear ring and is disposed on a side of the external jack base away from the motor body; a plurality of first grooves and a plurality of second grooves are arranged at the end part of the tower footing outer shell at intervals; the first end of the single ratchet is embedded into the first groove, and the second end of the single ratchet is matched with the gear ring; the first end of the single-tooth elastic piece is embedded into the second groove, the second end of the single-tooth elastic piece abuts against one side of the second end of the single ratchet, and the single-tooth elastic piece is used for preventing the single ratchet from rotating towards the direction of the single ratchet.
In some embodiments of the present application, the first end of the single-tooth elastic sheet includes an open cylindrical connection surface and a first inward-rolling arc, and the first inward-rolling arc is connected to one side of an opening of the open cylindrical connection surface; the shape of the open cylindrical connecting surface is matched with that of the second groove, and the first inward-rolling arc is abutted against the edge of the second groove; the second end of the single-tooth elastic sheet comprises a second inward-rolling arc which is abutted against one side of the second end of the single ratchet.
In some embodiments of the present application, the ring gear is threadably connected to the foundation shell.
In some embodiments of the present application, the tower footing outer shell has a stepped structure, a first end of the tower footing outer shell has a diameter smaller than a second end of the tower footing outer shell, and the second end of the tower footing outer shell is in threaded connection with the gear ring.
In some embodiments of the present application, a plurality of fixing holes are circumferentially arranged at intervals on an edge of the external jack base, and a fastener passes through the fixing holes to be connected with the motor body.
In some embodiments of the present application, a first end of the single ratchet is formed with a cylindrical structure and a second end of the single ratchet is formed with a single tooth structure.
In some embodiments of the present application, the single-tooth resilient tab is a sheet metal part.
In some embodiments of the present application, the outer surface of the foundation shell is formed with external splines.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
through connecting external very heavy base in one side of motor body, set up one-way transmission assembly between external very heavy base and the column foot shell, one-way drive assembly can realize the one-way transmission of external force of column foot shell input to external very heavy base to the realization sets up very heavy motor flower-drum outside motor body, saves the inside space of motor body, does not influence the inside spare part of motor and arranges.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic usage diagram of a first embodiment of the present invention;
fig. 2 is a cross-sectional view of a first embodiment of the present invention;
fig. 3 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 4 is an exploded view of a first embodiment of the present invention;
fig. 5 is a schematic usage diagram of a second embodiment of the present invention;
fig. 6 is another schematic usage diagram of a second embodiment of the present invention;
fig. 7 is a sectional view of the second embodiment of the present invention;
FIG. 8 is an exploded view of the second embodiment of the present invention
Fig. 9 is a schematic overall structure diagram of a second embodiment of the present invention;
FIG. 10 is a partial schematic view at A of FIG. 9;
reference numerals are as follows:
100, a motor body;
200, an external jack base;
210, a boss;
211, a first recess;
212, a second groove;
220, fixing holes;
230, a fastener;
300, a column base shell;
310, an external spline;
400, a one-way transmission assembly;
410, a single ratchet;
420, a single tooth shrapnel;
421, an open cylindrical connection surface;
422, a first inward rolling arc;
423, a second inward rolling arc;
430, ring gear.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.
In the first embodiment, as shown in fig. 1, 2, 3, and 4, in order to not occupy the space inside the motor, one end of the jack motor hub is connected to the outside of the motor body 100, and the other end of the jack motor hub is connected to the electric bicycle flywheel, so that the power of the electric bicycle flywheel is transmitted to the motor body 100.
In this embodiment, the jack motor hub includes an external jack base 200, a tower footing housing 300, and a one-way transmission assembly 400.
The external jack base 200 is detachably connected to one side of the motor body 100. The one-way transmission assembly 400 is connected to one side of the external jack base 200 far away from the motor body 100.
Specifically, a plurality of fixing holes 220 are formed in the edge of the external jack base 200, and the fastening member 230 is connected to the motor body 100 after passing through the fixing holes 220.
The unidirectional transmission assembly 400 is connected between the column foundation shell 300 and the external jack base 200, and unidirectional power is transmitted between the two.
In this embodiment, the one-way transmission assembly 400 includes a plurality of single ratchet teeth 410, a plurality of single-tooth resilient tabs 420, and a ring gear 430.
The ring gear 430 is an inner ring gear, which is connected to the inner wall of the tower base housing 300.
Specifically, the outer wall of the ring gear 430 is provided with an external thread portion, and the inside of the foundation shell 300 is provided with an internal thread portion. So that the ring gear 430 is threadedly coupled with the foundation shell 300.
Specifically, the tower footing outer shell 300 has a stepped structure. The diameter of the first end of the tower foundation shell 300 is smaller than the diameter of the second end of the tower foundation shell 300. The internal thread part is provided at the inner wall of the second end of the tower base outer case 300.
A boss 210 is arranged at the center of one side of the external jack base 200, which is far away from the motor body 100, and a plurality of first grooves 211 and a plurality of second grooves 212 are formed in the boss 210.
The plurality of first grooves 211 and the plurality of second grooves 212 are disposed at intervals in the circumferential direction of the boss 210.
A first end of the single ratchet 410 is fitted into the first recess 211 and a second end of the single ratchet 410 is fitted with the ring gear 430.
Specifically, the first end of the single ratchet 410 is a cylindrical structure, and the second end of the single ratchet 410 is formed with a single-tooth structure.
The cross-section of the first groove 211 is formed to match the cross-sectional shape of the first end of the single ratchet 410.
The second end of the single ratchet 410 is engaged with the ring gear 430.
The single-tooth spring plate 420 abuts against the single ratchet 410 for ensuring that the unidirectional transmission assembly 400 can only rotate towards one direction.
Specifically, the first end of the single-tooth elastic sheet 420 includes an open cylindrical connection surface 421 and a first inward-rolling arc 422.
The first inward rolling arc 122 is disposed at one side of the opening of the cylindrical connecting surface 121.
The sectional shape of the open cylindrical connecting surface 421 is the same as that of the second recess 212.
The first inward rolling arc 422 abuts the edge of the second groove.
The second end of the single-tooth dome 420 includes a second inward rolling arc 423.
The second inward rolling arc 423 abuts against a side of the second end of the single ratchet 410. Thereby ensuring that the single ratchet 410 can only rotate in a single direction.
The first inward rolling arc 422 abuts against the edge of the first groove 211, and the second inward rolling arc 421 abuts against the second end of the single ratchet 410. Therefore, the stability of the position of the single-tooth elastic sheet 420 is ensured, and the single-tooth elastic sheet can be stably connected in the second groove 212.
Specifically, the single-tooth elastic sheet 420 is a sheet metal part. Therefore, the single-tooth elastic sheet 420 has strong elasticity while ensuring certain strength. Thereby achieving stable support of the single ratchet 410 and thus achieving guarantee of unidirectional rotation of the single ratchet 410.
The outer wall of the tower footing outer shell 300 is provided with an external spline 310, and the tower footing outer shell 300 is connected with a flywheel of the electric bicycle through the external spline 310.
Example two
In the present embodiment, as in the first embodiment, in order to prevent the space inside the motor from being occupied, one end of the jack motor hub is connected to the outside of the motor body 100, and the other end of the jack motor hub is connected to the flywheel of the electric bicycle, so that the power of the flywheel of the electric bicycle is transmitted to the motor body 100, as shown in fig. 5, 6, 7, 8, 9 and 10.
In this embodiment, as in the first embodiment, the jack motor hub includes an external jack base 200, a tower footing outer shell 300 and a one-way transmission assembly 400. The external jack base 200 is detachably connected to one side of the motor body 100. The one-way transmission assembly 400 is connected to one side of the external jack base 200 far away from the motor body 100. The connection mode of the external jack base 200 and the motor body 100 is the same as that in the first embodiment.
As in the first embodiment, the unidirectional transmission assembly 400 is connected between the tower footing outer shell 300 and the external jack base 200, and transmits unidirectional power therebetween.
In this embodiment, the one-way transmission assembly 400 includes a plurality of single ratchet teeth 410, a plurality of single-tooth resilient tabs 420, and a ring gear 430.
The structure of the single ratchet 410 and the single-tooth spring plate 420 is the same as that of the first embodiment.
The specific structure and arrangement position of the ring gear 430 are different from those in the first embodiment.
In the present embodiment, the ring gear 430 is an inner and outer ring gear.
A boss 210 is disposed at the center of one side of the external jack base 200 far away from the motor body 100.
The ring gear 430 is disposed on the outer wall of the boss 210.
The first and second grooves 211 and 212, which are engaged with the single ratchet 410 and the single-tooth spring plate 420, have the same structural form as the first embodiment, but have different positions.
The end of the tower base outer shell 300 is formed with a ring structure, and a plurality of first grooves 211 and a plurality of second grooves 212 are formed on the inner wall of the ring structure. The plurality of first grooves 211 and the plurality of second grooves 212 are disposed at intervals in the circumferential direction of the boss 210.
The structure of the single ratchet 410 and the single-tooth spring plate 420 is the same as that of the first embodiment.
The single ratchet 410 and the single-tooth elastic sheet 420 are connected with the first groove 211 and the second groove 212 in the same manner, and are connected with the gear ring 430 in the same manner.
The outer wall of the tower footing outer shell 300 is provided with an external spline 310, and the tower footing outer shell 300 is connected with a flywheel of the electric bicycle through the external spline 310.
In the present embodiment, the tower base outer shell 300 has a cylindrical structure, and can be used interchangeably with a flywheel of a conventional electric bicycle.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a jack motor flower-drum, its power transmission to the motor body with electric bicycle's flywheel which characterized in that includes:
the external jack base is detachably connected to the motor body;
the tower footing shell is used for being connected with the flywheel;
the one-way transmission assembly is arranged on one side, far away from the motor body, of the external jack base;
the tower base shell drives the external jack base to rotate in a single direction through the single-direction transmission assembly.
2. A jack motor hub as claimed in claim 1, wherein said unidirectional transmission assembly comprises:
a plurality of single ratchet teeth;
a plurality of single-tooth spring plates;
the gear ring is an inner gear ring and is connected to the inner wall of the tower foundation shell;
a boss is arranged on one side, far away from the motor body, of the external jack base, and a plurality of first grooves and a plurality of second grooves are formed at intervals along the circumferential direction of the boss;
the first end of the single ratchet is embedded into the first groove, and the second end of the single ratchet is matched with the gear ring;
the first end of the single-tooth elastic piece is embedded into the second groove, the second end of the single-tooth elastic piece abuts against one side of the second end of the single ratchet, and the single-tooth elastic piece is used for preventing the single ratchet from rotating towards the direction of the single ratchet.
3. A jack motor hub as claimed in claim 1, wherein said unidirectional transmission assembly comprises:
a plurality of single ratchets;
a plurality of single-tooth spring plates;
the gear ring is an outer gear ring and is arranged on one side, far away from the motor body, of the external jack base;
a plurality of first grooves and a plurality of second grooves are arranged at the end part of the tower footing outer shell at intervals;
the first end of the single ratchet is embedded into the first groove, and the second end of the single ratchet is matched with the gear ring;
the first end of the single-tooth elastic piece is embedded into the second groove, the second end of the single-tooth elastic piece abuts against one side of the second end of the single ratchet, and the single-tooth elastic piece is used for preventing the single ratchet from rotating towards the direction of the single ratchet.
4. A jack motor hub according to claim 2 or 3,
the first end of the single-tooth elastic sheet comprises an open cylindrical connecting surface and a first inward-rolling arc, and the first inward-rolling arc is connected to one side of an opening of the open cylindrical connecting surface;
the shape of the open cylindrical connecting surface is matched with that of the second groove, and the first inward-rolling arc is abutted against the edge of the second groove;
the second end of the single-tooth elastic sheet comprises a second inward-rolling arc which is abutted against one side of the second end of the single ratchet.
5. A jack machine hub as claimed in claim 2, wherein said ring gear is threadedly connected to said foundation shell.
6. A jack motor hub as claimed in claim 5, wherein the tower footing outer shell is of a stepped structure, the diameter of the first end of the tower footing outer shell is smaller than the diameter of the second end of the tower footing outer shell, and the second end of the tower footing outer shell is in threaded connection with the gear ring.
7. A jack motor hub as claimed in claim 1, wherein the edge of the outboard jack base is circumferentially spaced with a plurality of fixing holes through which fasteners pass to connect with the motor body.
8. A jack motor hub as claimed in claim 4, wherein the first end of the single ratchet is formed with a cylindrical structure and the second end of the single ratchet is formed with a single tooth structure.
9. A jack motor hub as claimed in claim 4, wherein said single tooth spring plate is a sheet metal part.
10. A jack machine hub as claimed in claim 1, wherein the outer surface of the foundation shell is formed with external splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222574874.0U CN218301122U (en) | 2022-09-28 | 2022-09-28 | Jack motor hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222574874.0U CN218301122U (en) | 2022-09-28 | 2022-09-28 | Jack motor hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301122U true CN218301122U (en) | 2023-01-13 |
Family
ID=84804994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222574874.0U Active CN218301122U (en) | 2022-09-28 | 2022-09-28 | Jack motor hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301122U (en) |
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2022
- 2022-09-28 CN CN202222574874.0U patent/CN218301122U/en active Active
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