CN213566335U - Rear axle sprocket fixer - Google Patents
Rear axle sprocket fixer Download PDFInfo
- Publication number
- CN213566335U CN213566335U CN202022497287.7U CN202022497287U CN213566335U CN 213566335 U CN213566335 U CN 213566335U CN 202022497287 U CN202022497287 U CN 202022497287U CN 213566335 U CN213566335 U CN 213566335U
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- China
- Prior art keywords
- sprocket
- sleeve
- hole
- fixer
- rear axle
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Abstract
The utility model discloses a rear axle sprocket fixer, including driving sprocket, fixer, connecting bolt, driving sprocket and wheel, the wheel is equipped with axletree and car hub axle sleeve, car hub axle sleeve is arranged in the axletree middle part, axletree one end has been put driving sprocket, the axletree other end has been put driving sprocket, the fixer cover is arranged in on the car hub axle sleeve and pass through connecting bolt with driving sprocket connects. This application installs a cover additional through the driving sprocket to small gasoline engine drive rear wheel and puts the sprocket binding on bicycle rear wheel axle sleeve for rear axle sprocket and axle sleeve zonulae occludens, and the pine takes off when preventing the rear axle sprocket from being driven by small gasoline engine and skids, guarantees moped's speed stability and safety.
Description
Technical Field
The utility model relates to a moped accessory field, concretely relates to rear axle sprocket fixer.
Background
When traditional moped assembles the rear axle sprocket, it is usually that the rear axle sprocket passes through the simple setting of bolt on the wire spoke of rear wheel, and the sprocket is not hard up easily and skids, is difficult to the dismouting moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rear axle sprocket fixer solves one or more among the above-mentioned prior art problem.
According to the utility model discloses a rear axle sprocket fixer, including driving sprocket, fixer, connecting bolt, driving sprocket and wheel, the wheel is equipped with axletree and car hub axle sleeve, car hub axle sleeve is arranged in the axletree middle part, axletree one end has been put driving sprocket, the axletree other end has been put driving sprocket, the fixer cover is arranged in on the car hub axle sleeve and pass through connecting bolt with driving sprocket connects.
In some embodiments, the fixer includes a hub sleeve, a connecting disc and a screw hole column, the hub sleeve is fixedly connected to the middle of the front surface of the connecting disc, 9 connecting screw holes are arranged between the outer diameter of the hub sleeve and the outer diameter of the connecting disc, and the screw hole column is arranged on the surface of the connecting screw hole on the back surface of the connecting disc.
In some embodiments, a front center and a rear center of the front surface of the retainer are provided with sleeve holes which are communicated with each other, each sleeve hole comprises an inner sleeve hole, a circular truncated cone sleeve hole and an outer sleeve hole, the inner sleeve hole is located in the hub sleeve, the outer sleeve hole is located in the connecting plate, the inner sleeve hole is connected with the outer sleeve hole through the circular truncated cone sleeve hole, and the inner diameter of the inner sleeve hole is smaller than the inner diameter of the outer sleeve hole.
In some embodiments, the fastener side wall is sectioned into a fastening side fastener and a connection side fastener, the fastening side fastener including 5 of the connection screw holes, and the connection side fastener including 4 of the connection screw holes.
In some embodiments, the fastening-side holder cross-sectional side wall is provided with two fastening bolt holes, and the connection-side holder cross-sectional side wall is provided with two fastening screw holes, which correspond in position to the fastening screw holes and are connected by fastening bolts.
In some embodiments, the side wall of the driving chain wheel is a concave-convex surface and is provided with a connecting hole corresponding to the position of the threaded hole column.
In some embodiments, the concave side of the driving sprocket is coupled with the holder by the coupling bolt passing through the screw post and the coupling screw hole.
The utility model provides a pair of rear axle sprocket fixer, its beneficial effect lies in installing a cover additional through the rear wheel drive sprocket to small gasoline engine driven and putting the sprocket binding on bicycle rear wheel axle sleeve for rear axle sprocket and axle sleeve zonulae occludens prevent that the rear axle sprocket from taking off when being driven by small gasoline engine again and skidding, guarantee moped's speed stability and safety.
Drawings
Fig. 1 is a schematic structural view of a wheel of a rear axle sprocket fixing device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a driving sprocket of a rear axle sprocket holder according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a driving sprocket of a rear axle sprocket holder according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a rear axle sprocket holder according to an embodiment of the present invention;
fig. 5 is a front cross-sectional view of a hub shell of a rear axle sprocket holder according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5:
according to the utility model discloses a rear axle sprocket fixer, including driving sprocket 1, fixer 2, connecting bolt 3, driving sprocket 4 and wheel 6, wheel 6 is equipped with axletree 61 and car hub axle sleeve 62, and car hub axle sleeve 62 cover is arranged in axletree 61 middle part, and driving sprocket 1 has been put to axletree 61 one end cover, and driving sprocket 4 has been put to the other end cover of axletree 61, and fixer 2 cover is arranged on car hub axle sleeve 62 and is connected with driving sprocket 1 through connecting bolt 3; this design makes fixer 2 fix and is connected with drive sprocket 1 at car hub axle sleeve 62, guarantees that fixer 2 is connected inseparabler with car hub axle sleeve 62.
The fixer 2 comprises a hub sleeve 21, a connecting disc 22 and a threaded column 23, the hub sleeve 21 is fixedly connected to the middle of the front surface of the connecting disc 22, 9 connecting threaded holes 221 are formed between the outer diameter of the hub sleeve 21 and the outer diameter of the connecting disc 22, and the threaded column 23 is arranged on the surface of the connecting threaded hole 221 on the back surface of the connecting disc 22; this design makes the anchor 2 possess multiunit bolted connection, can freely select joint strength.
A front center of the fixer 2 is provided with a sleeve hole 24 which is through from front to back, the sleeve hole 24 comprises an inner sleeve hole 241, a circular truncated cone sleeve hole 242 and an outer sleeve hole 243, the inner sleeve hole 241 is positioned in the hub sleeve 21, the outer sleeve hole 243 is positioned in the connecting disc 22, the inner sleeve hole 241 is connected with the outer sleeve hole 243 through the circular truncated cone sleeve hole 242, and the inner diameter of the inner sleeve hole 241 is smaller than that of the outer sleeve hole 243; the design ensures that the inner sleeve hole 241 can be sleeved on the middle part of the hub sleeve 62, and the platform sleeve hole 242 and the outer sleeve hole 243 can be tightly sleeved on the protruding part of the edge of the hub sleeve 62.
The sidewall of the holder 2 is cut into a fastening-side holder 25 and a connection-side holder 26, the fastening-side holder 25 includes 5 connection screw holes 221, and the connection-side holder 26 includes 4 connection screw holes 221, so that the holder 2 can be easily mounted in the hub sleeve 62.
The fastening side retainer 25 has two fastening bolt holes 251 in its cross-sectional side wall, and the connecting side retainer 26 has two fastening screw holes 261 in its cross-sectional side wall, and the fastening bolt holes 251 correspond to the fastening screw holes 261 in position and are connected by the fastening bolts 27, which ensures that the fastening side retainer 25 and the connecting side retainer 26 are tightly connected and are fitted over the complete hub sleeve 62.
The side wall of the driving chain wheel 1 is a concave-convex surface and is provided with a connecting hole 11 corresponding to the position of the threaded column 23, so that the driving chain wheel 1 is connected to be convenient for connecting the fixer 2.
The concave side of the driving chain wheel 1 passes through the threaded column 23 and the connecting threaded hole 221 through the connecting bolt 3 to be connected with the fixer 2; due to the concave-convex surface when the side wall of the driving chain wheel 1 is driven, the stable fastening connection of the connecting screw hole 221 can be ensured.
In the specific use process, when assembling the rear wheel, firstly the hub shaft sleeve 62 is sleeved on the middle part of the axle 61, then the driving chain wheel 1 and the driving chain wheel 4 are sleeved on two sides of the axle 61, then the fixer 2 is divided into the fastening side fixer 25 and the connecting side fixer 26 which are connected into one part and are sent into the hub shaft sleeve 62, and then the fastening side fixer and the connecting side fixer are sleeved on the hub shaft sleeve 62 and are connected through the fastening bolt 27. After the fixer 2 is installed, the fastener 2 is rotated to enable the threaded hole column 23 to correspond to the connecting hole 11 of the driving chain wheel 1, the connecting bolt 3 penetrates through the threaded hole column 23 and the connecting screw hole 221 to be connected with the fixer 2, and finally the fastening bolt 27 is fastened tightly to complete connection of the fastener 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these are also considered to be within the protection of the present invention.
Claims (7)
1. A rear axle sprocket retainer, comprising: drive sprocket (1), fixer (2), connecting bolt (3), drive sprocket (4) and wheel (6), wheel (6) are equipped with axletree (61) and hub axle sleeve (62), hub axle sleeve (62) cover is arranged in axletree (61) middle part, axletree (61) one end cover has been put drive sprocket (1), axletree (61) other end cover has been put drive sprocket (4), fixer (2) cover is arranged in on the hub axle sleeve (62) and pass through connecting bolt (3) with drive sprocket (1) is connected.
2. The rear axle sprocket fixer as claimed in claim 1, wherein the fixer (2) comprises a hub sleeve (21), a connecting disc (22) and a threaded post (23), the hub sleeve (21) is fixedly connected to the middle of the front side of the connecting disc (22), 9 connecting threaded holes (221) are arranged between the outer diameter of the hub sleeve (21) and the outer diameter of the connecting disc (22), and the threaded post (23) is arranged on the surface of the connecting threaded hole (221) on the reverse side of the connecting disc (22).
3. A rear axle sprocket wheel holder as claimed in claim 2, wherein the holder (2) is provided with a front and rear through-going sleeve hole (24) at the front center, the sleeve hole (24) comprises an inner sleeve hole (241), a circular truncated cone sleeve hole (242) and an outer sleeve hole (243), the inner sleeve hole (241) is located in the hub sleeve (21), the outer sleeve hole (243) is located in the connecting disc (22), the inner sleeve hole (241) is connected with the outer sleeve hole (243) through the circular truncated cone sleeve hole (242), and the inner diameter of the inner sleeve hole (241) is smaller than the inner diameter of the outer sleeve hole (243).
4. A rear axle sprocket wheel fastener as claimed in claim 3, wherein said fastener (2) side wall is sectioned into a fastening side fastener (25) and a connection side fastener (26), said fastening side fastener (25) comprising 5 said connection screw holes (221), and said connection side fastener (26) comprising 4 said connection screw holes (221).
5. A rear axle sprocket wheel holder as claimed in claim 4, wherein the fastening side holder (25) is provided with two fastening bolt holes (251) in its cross-sectional side wall, and the connecting side holder (26) is provided with two fastening screw holes (261) in its cross-sectional side wall, the fastening bolt holes (251) corresponding in position to the fastening screw holes (261) and being connected by fastening bolts (27).
6. A rear axle sprocket fastener as defined in claim 3, wherein the side wall of the driving sprocket (1) is concave-convex and is provided with a connecting hole (11) corresponding to the position of the screw hole post (23).
7. A rear axle sprocket wheel holder as defined in claim 6, wherein the concave side of the driving sprocket wheel (1) is connected with the holder (2) by the connecting bolt (3) passing through the threaded stud (23) and the connecting threaded hole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022497287.7U CN213566335U (en) | 2020-11-02 | 2020-11-02 | Rear axle sprocket fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022497287.7U CN213566335U (en) | 2020-11-02 | 2020-11-02 | Rear axle sprocket fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213566335U true CN213566335U (en) | 2021-06-29 |
Family
ID=76533126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022497287.7U Active CN213566335U (en) | 2020-11-02 | 2020-11-02 | Rear axle sprocket fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213566335U (en) |
-
2020
- 2020-11-02 CN CN202022497287.7U patent/CN213566335U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |