CN210882488U - Moped and middle-arranged driving mechanism fixing device thereof - Google Patents
Moped and middle-arranged driving mechanism fixing device thereof Download PDFInfo
- Publication number
- CN210882488U CN210882488U CN201921301656.1U CN201921301656U CN210882488U CN 210882488 U CN210882488 U CN 210882488U CN 201921301656 U CN201921301656 U CN 201921301656U CN 210882488 U CN210882488 U CN 210882488U
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- China
- Prior art keywords
- fixing device
- connecting portion
- gasket
- mechanism fixing
- screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/55—Rider propelled cycles with auxiliary electric motor power-driven at crank shafts parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/30—Frame parts shaped to receive other cycle parts or accessories
- B62K19/34—Bottom brackets
Abstract
The utility model discloses a middle-placed driving mechanism fixing device, which comprises a shell for at least partially accommodating a middle-placed motor and a hanging bracket for connecting with a bicycle frame, wherein the hanging bracket is provided with a first connecting part for connecting with the shell, and the shell comprises a second connecting part for connecting with the first connecting part; the gasket is arranged between the first connecting portion and the second connecting portion, one end of the gasket is in interference fit with one of the first connecting portion and the second connecting portion, and the other end of the gasket is abutted to the other of the first connecting portion and the second connecting portion. Because the lateral wall and a terminal surface of gasket respectively with first connecting portion, second connecting portion in close contact with, compensatied the clearance between the two, prevented to rock the production, and avoided deformation and stress concentration phenomenon. Furthermore, the utility model also provides an including above-mentioned put actuating mechanism fixing device's moped in.
Description
Technical Field
The utility model relates to a moped technical field, more specifically say, relate to an in put actuating mechanism fixing device. Furthermore, the utility model discloses still relate to one kind including above-mentioned put actuating mechanism fixing device's moped in.
Background
The power-assisted bicycle is provided with a power auxiliary system, and is a novel vehicle capable of realizing integration of manual riding and motor power assisting.
According to the position of the power auxiliary system, the motor of the power-assisted bicycle can be divided into a middle motor and a hub motor, wherein the middle motor has great advantages in the aspects of technology, performance and the like, and the application is wider.
The general gallows that puts driving mechanism in is fixed in on the bicycle frame, because assembly and machining error can form the clearance between the gallows curb plate of bolt fastening and the casing installation part for at the bicycle in-process of traveling, put the motor probably and take place to rock relative the gallows curb plate and even drop.
In the prior art, a spacer is provided between a hanger side plate and a screw, and a gap between the hanger side plate and a housing mounting member is eliminated by hanger deformation caused by screwing of the screw. But fix through this kind of fixed mode, because the interact who brings out of shape, lead to the screw extremely easily to loosen at the operation in-process for the gallows curb plate and casing installation component's clearance grow, lead to the casing and with the casing be connected put actuating mechanism and take place to rock in the bicycle motion process in.
In addition, the gallows can be because the locking force of screw takes place to warp, influences the structural strength of gallows.
In summary, how to avoid the shaking of the middle driving mechanism during the movement process is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a put actuating mechanism fixing device in, can avoid putting actuating mechanism and take place to rock in the bicycle motion process in.
The utility model also provides a moped of putting actuating mechanism fixing device in including the aforesaid.
In order to achieve the above object, the present invention provides the following technical solutions:
a middle-mounted driving mechanism fixing device comprises a shell used for at least partially accommodating a middle-mounted motor and a hanging bracket used for being connected with a bicycle frame, wherein a first connecting part used for being connected with the shell is arranged on the hanging bracket, and the shell comprises a second connecting part used for being connected with the first connecting part;
a gasket is arranged between the first connecting part and the second connecting part, one end of the gasket is in interference fit with one of the first connecting part and the second connecting part, and the other end of the gasket is abutted against the other of the first connecting part and the second connecting part.
Preferably, the first connecting portion and the second connecting portion are connected by a screw, and the washer is relatively slidable in an axial direction of the screw during tightening of the screw.
Preferably, the first connecting part is a plurality of mounting holes, and the second connecting part is a connecting hole matched with the connecting hole;
the gasket set up in the mounting hole, just the gasket with mounting hole interference fit, the one end of gasket with the casing butt.
Preferably, the screw is mounted in the mounting hole, and an outer edge of a screw top of the screw contacts with an inner wall surface of the mounting hole.
Preferably, a nut matched with the screw is arranged on the connecting hole.
Preferably, the gasket is a hollow cylindrical gasket.
Preferably, the housing is provided with fixing lugs for arranging the second connecting portion, the fixing lugs are distributed on the housing in pairs, and the axes of the connecting holes on the pair of fixing lugs are collinear.
Preferably, the hanger is welded to the bicycle frame.
A power-assisted bicycle comprises a frame, a middle driving mechanism and a middle driving mechanism fixing device, wherein the middle driving mechanism fixing device is used for connecting the frame and the middle driving mechanism, and is any one of the middle driving mechanism fixing devices.
The utility model provides a middle-placed driving mechanism fixing device, which comprises a shell used for at least partially accommodating a middle-placed motor and a hanger used for being connected with a bicycle frame, wherein the hanger is provided with a first connecting part used for being connected with the shell, and the shell comprises a second connecting part used for being connected with the first connecting part; be provided with the gasket between first connecting portion and the second connecting portion, one end and one of first connecting portion and second connecting portion interference fit of gasket, the other end and the other butt in first connecting portion and the second connecting portion of gasket.
Because the gasket and one of first connecting portion and second connecting portion interference fit and the one end of gasket and another butt, the gasket supports between gallows and casing, rather than setting up the gasket on the gallows surface among the prior art, the lateral wall and the terminal surface of gasket respectively with first connecting portion, second connecting portion in close contact with, compensatied the clearance between gallows and the casing, prevented to produce between gallows and the casing and rocked.
In addition, under the fixing mode, the locking force of the screw does not cause the phenomena of deformation and stress concentration of the hanger.
The utility model also provides a moped of putting actuating mechanism fixing device in including the aforesaid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a middle-mounted driving mechanism fixing device provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the mid-drive mechanism attachment provided in FIG. 1, taken at a horizontal plane with the central axis;
FIG. 3 is a schematic structural diagram of a hanger in the mid-drive mechanism fixing device provided in FIG. 1;
fig. 4 is a schematic structural diagram of a housing in the middle-mounted driving mechanism fixing device provided in fig. 1.
In fig. 1-4:
1 is a hanger, 11 is a mounting hole, 2 is a shell, 21 is a fixing lug, 211 is a connecting hole, 3 is a screw, 4 is a gasket, and 5 is a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide an in put actuating mechanism fixing device can avoid putting actuating mechanism and take place to rock in the power assisted bicycle motion process in.
The utility model also provides a moped of putting actuating mechanism fixing device in including the aforesaid.
Referring to fig. 1 to 4, fig. 1 is a schematic structural view of an embodiment of a middle driving mechanism fixing device provided in the present invention; FIG. 2 is a schematic cross-sectional view of the mid-drive mechanism attachment provided in FIG. 1, taken at a horizontal plane with the central axis; FIG. 3 is a schematic structural diagram of a hanger in the mid-drive mechanism fixing device provided in FIG. 1; fig. 4 is a schematic structural diagram of a housing in the middle-mounted driving mechanism fixing device provided in fig. 1.
The middle-mounted driving mechanism fixing device provided by the embodiment comprises a shell 2 used for at least partially accommodating a middle-mounted motor and a hanging bracket 1 used for being connected with a bicycle frame, wherein a first connecting part used for being connected with the shell 2 is arranged on the hanging bracket 1, and the shell 2 comprises a second connecting part used for being connected with the first connecting part; a gasket 4 is arranged between the first connecting portion and the second connecting portion, one end of the gasket 4 is in interference fit with one of the first connecting portion and the second connecting portion, and the other end of the gasket 4 is abutted against the other of the first connecting portion and the second connecting portion.
Referring to fig. 2, a bicycle bottom bracket is mounted in the housing 2, and the housing 2 is connected to a mid-motor.
The shell 2 and the middle-mounted motor can be detachably connected, such as pin connection, bolt connection and the like, so that the structure of the middle-mounted driving mechanism can be periodically maintained and overhauled; and may also be non-removable, such as welding, etc.
The hanger 1 is connected to the bicycle frame, and in order to improve the stability and connection strength of the connection, it is preferable that the hanger 1 is welded to the bicycle frame.
Of course, it is also possible to connect the hanger 1 to the bicycle frame in an optionally non-detachable manner, such as by bolting or the like.
In this embodiment, because gasket 4 and first connecting portion and the one end and the other butt of gasket 4 in the interference fit of second connecting portion, gasket 4 supports between gallows 1 and casing 2, rather than setting up gasket 4 on gallows 1 surface among the prior art, the lateral wall and the terminal surface of gasket 4 respectively with gallows 1, casing 2 in close contact with, compensatied the clearance between gallows 1 and the casing 2, prevented to produce between gallows 1 and the casing 2 and rocked.
In addition, in this fixing mode, the locking force of the screw 3 does not cause the deformation of the hanger 1 and the stress concentration phenomenon.
Preferably, the first connection portion and the second connection portion may be connected by a screw 3, and the washer 4 may relatively slide in an axial direction of the screw 3 during tightening of the screw 3.
Preferably, the spacer 4 may be provided as a hollow cylindrical spacer.
On the basis of the above embodiment, the connection manner is limited, and the first connection portion may be provided as a plurality of mounting holes 11, and the first connection portion is a connection hole 211 matched with the mounting hole 11; the gasket 4 is arranged in the mounting hole 11, one end of the gasket 4 is in interference fit with the mounting hole 11, and one end of the gasket 4 is abutted to the shell 2.
The specifications of the screw 3 and the washer 4 are selected according to the designed connection strength.
The diameter of the mounting hole 11 and the diameter of the coupling hole 211 are determined according to the specification of the screw 3.
Preferably, referring to fig. 3, a boss may be provided around the mounting hole 11 to enhance the structural strength of the joint.
The cross-sectional shape of the boss may be circular, rectangular, or any geometric shape that meets the requirements, as long as the boss does not interfere with the connection of the hanger 1 and the housing 2.
Preferably, the number of the mounting holes 11 is at least one in consideration of the need for the strength of the connection. The specific number of mounting holes 11 is determined according to the actual structural strength requirements.
The installation hole 11 is provided at a position that should leave a necessary installation space in consideration of the user's attachment and detachment needs.
In addition, the stress distribution on the hanger 1 should also be considered at the position where the mounting hole 11 is arranged, so that the stress concentration phenomenon is avoided, and the structural strength of the hanger 1 is not affected.
The gasket 4 is installed in the mounting hole 11, and the gasket 4 and the mounting hole 11 are in interference fit, so that the outer side wall of the gasket 4 is in close contact with the inner wall surface of the mounting hole 11, the gasket 4 is difficult to move in the axial direction of the mounting hole 11, and the shaking is avoided.
The end face of the gasket 4 abuts against the housing 2, and referring to fig. 1 and 2, due to the locking force of the screw 3, the gasket 4 is in close contact with the end face of the housing 2, and the hanger 1 and the housing 2 are indirectly connected through the outer side wall and the end face of the gasket 4.
Preferably, the screw 3 may be mounted in the mounting hole 11 such that an outer edge of a screw top portion of the screw 3 contacts an inner wall surface of the mounting hole 11. Since the screw 3 is mounted in the mounting hole 11, it should be noted that the diameter of the mounting hole 11 should be determined according to the diameter of the head of the screw rather than the diameter of the threaded portion of the screw 3.
Preferably, a coupling nut 5 engaged with the screw 3 may be provided to the coupling hole 211, but the nut 5 and the coupling hole 211 may be integrally formed.
The shape of the connection hole 211 may be a straight hole as shown in fig. 1, but it is also possible to provide the connection hole 211 as a stepped hole.
On the basis of the above embodiment, the fixing lugs 21 for providing the second connecting portion may be provided on the housing 2, the fixing lugs 21 are provided on the housing 2 in pairs, and the axes of the connecting holes 211 on the pair of fixing lugs 21 are collinear.
Referring to fig. 1 and 2, the gasket 4 is in interference fit with the mounting hole 11, one end of the gasket 4 abuts against the fixing lug 21, and the gasket 4 is supported between the hanger 1 and the fixing lug 21, instead of disposing the gasket 4 on the surface of the hanger 1 in the prior art, the outer side wall of the gasket 4 and one end surface of the gasket 4 are respectively in close contact with the inner wall surface of the mounting hole 11 and the fixing lug 21, so that a gap between the hanger 1 and the fixing lug 21 is made up, and the hanger 1 and the housing 2 are prevented from shaking.
The number of the fixing lugs 21 and the coupling holes 211 on the fixing lugs 21 is determined according to the number of the mounting holes 11.
The cross-sectional shape of the fixing lug 21 may be circular, rectangular, or any other geometric shape.
Preferably, the shape of the boss is the same as the shape of the fixing lug 21, and the boss completely fits the fixing lug 21 when the hanger 1 is connected to the housing 2.
The number of pairs of the fixing lugs 21 should be designed according to the designed connection strength so as not to be too small in number and insufficient in connection strength, or too large in number, which increases the mass of the fixing device and the load of the power-assisted bicycle.
It should be noted that when the number of the fixing lugs 21 is two pairs or more, the fixing lugs 21 are disposed at positions where influence on the connection of the housing 2 to the center motor should be avoided.
Preferably, a pair of fixing lugs 21 may be provided symmetrically with respect to a vertical plane on which the axis of the mid-motor is located.
Preferably, a pair of fixing lugs 21 may be disposed inside the pair of mounting holes 11 that are engaged with the fixing lugs 21, so as to enclose the engaging portion of the housing 2 in the internal enclosure space of the hanger 1, without exposing the fixing lugs 21 on the housing 2, and save a certain mounting space, thereby avoiding the problem that the fixing lugs 21 may interfere with the mounting of other parts.
In addition, the layout mode of the embodiment also enables the structure of the fixing device of the middle driving mechanism to be attractive and neat.
Except that put drive arrangement fixing device in the above-mentioned, the utility model discloses still provide a put drive arrangement fixing device's moped including what above-mentioned embodiment disclosed, this moped includes the frame, put actuating mechanism and connect the frame and put actuating mechanism's in putting actuating mechanism fixing device in, put actuating mechanism fixing device and put actuating mechanism fixing device in for what above-mentioned embodiment disclosed, this moped's other structures can refer to prior art, and this concrete embodiment is no longer repeated.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides an in put actuating mechanism fixing device and put actuating mechanism fixing device's moped including the aforesaid and introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. The middle-placed driving mechanism fixing device is characterized by comprising a shell (2) used for at least partially accommodating a middle-placed motor and a hanging bracket (1) used for being connected with a bicycle frame, wherein a first connecting part used for being connected with the shell (2) is arranged on the hanging bracket (1), and the shell (2) comprises a second connecting part used for being connected with the first connecting part;
a gasket (4) is arranged between the first connecting portion and the second connecting portion, one end of the gasket (4) is in interference fit with one of the first connecting portion and the second connecting portion, and the other end of the gasket (4) is abutted against the other of the first connecting portion and the second connecting portion.
2. The centrally placed drive mechanism fixing device according to claim 1, characterised in that the first and second connection portions are connected by a screw (3), the washer (4) being relatively slidable in the axial direction of the screw (3) during tightening of the screw (3).
3. The centrally-mounted drive mechanism fixing device according to claim 2, wherein the first connecting portion is a plurality of mounting holes (11), and the second connecting portion is a connecting hole (211) matched with the mounting holes (11);
the gasket (4) is arranged in the mounting hole (11), the gasket (4) is in interference fit with the mounting hole (11), and one end of the gasket (4) is abutted to the shell (2).
4. The centrally installed drive mechanism fixing device according to claim 3, wherein the screw (3) is installed in the installation hole (11), and an outer edge of a screw top portion of the screw (3) is in contact with an inner wall surface of the installation hole (11).
5. The centrally-mounted drive mechanism fixing device according to claim 4, characterized in that a nut (5) which is matched and connected with the screw (3) is arranged on the connecting hole (211).
6. The centrally placed drive mechanism fixing device according to any one of claims 1-5, characterized in that the spacer (4) is a hollow cylindrical spacer.
7. The centrally-mounted drive mechanism fixing device according to any one of claims 3 to 5, characterized in that fixing lugs (21) for arranging the second connecting portion are arranged on the housing (2), and the fixing lugs (21) are distributed on the housing (2) in pairs, and the axes of the connecting holes (211) on the pair of fixing lugs (21) are collinear.
8. The centrally placed drive mechanism fixing device according to claim 7, characterized in that the hanger (1) is welded to the bicycle frame.
9. A power-assisted bicycle, which comprises a frame, a middle driving mechanism and a middle driving mechanism fixing device for connecting the frame and the middle driving mechanism, wherein the middle driving mechanism fixing device is the middle driving mechanism fixing device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301656.1U CN210882488U (en) | 2019-08-12 | 2019-08-12 | Moped and middle-arranged driving mechanism fixing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301656.1U CN210882488U (en) | 2019-08-12 | 2019-08-12 | Moped and middle-arranged driving mechanism fixing device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210882488U true CN210882488U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921301656.1U Active CN210882488U (en) | 2019-08-12 | 2019-08-12 | Moped and middle-arranged driving mechanism fixing device thereof |
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| Country | Link |
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| CN (1) | CN210882488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068288A1 (en) * | 2020-09-30 | 2022-04-07 | 广东高标电子科技有限公司 | Centrally mounted drive apparatus and electric power-assist bicycle |
-
2019
- 2019-08-12 CN CN201921301656.1U patent/CN210882488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068288A1 (en) * | 2020-09-30 | 2022-04-07 | 广东高标电子科技有限公司 | Centrally mounted drive apparatus and electric power-assist bicycle |
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