CN209870647U - Electric motorcycle speed-regulating rotating handle - Google Patents
Electric motorcycle speed-regulating rotating handle Download PDFInfo
- Publication number
- CN209870647U CN209870647U CN201920598162.8U CN201920598162U CN209870647U CN 209870647 U CN209870647 U CN 209870647U CN 201920598162 U CN201920598162 U CN 201920598162U CN 209870647 U CN209870647 U CN 209870647U
- Authority
- CN
- China
- Prior art keywords
- bearing
- core
- torsion spring
- handle
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The utility model provides an electricity speed governing of rubbing changes handle belongs to electrically controlled device's technical field. An electric friction speed regulation rotating handle comprises a shell, a bearing installation body, a handle core, a bearing, a torsion spring, a Hall sensor and an induction magnet; the utility model discloses a set up the shell of alloy material, and set up the part in the shell, improved result intensity, the loss prevention effect is better, realized the integral type setting of device, the structure is compacter, the space occupies for a short time, avoided the components of a whole that can function independently structure separately set up the problem that the space is wasted, the reliability is poor, be convenient for maintain and change, the vehicle design degree of freedom is higher, adapt to all hand (hold) throttle operation type vehicles; in addition, the core is arranged on the bearing mounting body through the bearing and is reset through the torsion spring, so that the smoothness of rotation is higher, the problem that the core is blocked or not reset enough is prevented, and the structure is reasonable; and install hall sensor through the embedment, realize waterproof dustproof, prevented the poor or problem of losing of device performance, the guarantee nature is higher.
Description
Technical Field
The utility model relates to an electrically controlled device's technical field specifically relates to an electricity rubs speed governing and changes handle.
Background
Along with the popularization of electric vehicles, particularly electric motorcycles, great convenience is brought to people for going out.
At present, the speed regulation structure of products such as electric motorcycles on the market is a speed regulation rotating handle, and the existing speed regulation rotating handle is divided into the following types:
the first type is a stay cable type speed regulation central control structure, which comprises a rotating handle, a stay cable and a speed regulation central control, wherein a rotating disc of the speed regulation central control is connected with the rotating handle through the stay cable, when the rotating handle rotates, the stay cable is used for transmitting the rotation to the rotating disc of the speed regulation central control, and the speed regulation central control outputs a corresponding voltage signal according to the rotating opening degree. However, the speed regulation mode has the defects of multiple transmission structures, difficulty in guaranteeing rigidness in assembly, virtual opening of rotation, easiness in fault occurrence, poor waterproof performance and large occupied assembly space of the whole vehicle due to structural limitation;
the second formula speed governing structure as an organic whole through integrated to the twist grip with hall sensor, comes direct output signal of telecommunication through the twist grip. However, the speed regulation mode generally adopts a plastic shell, so that the structural strength is poor, the assembly is easy to damage in the collision process of falling a car and the like, in addition, the friction mechanisms in the structure are more, the rotating hand feeling is poor in the speed regulation process, the problem of poor protection effects such as water resistance, mud resistance and the like also exists, and the problem that the internal electronic elements cannot normally work due to factors such as water inlet, dust inlet and the like in the use process is easy to cause.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an electric friction speed-regulating rotating handle, an alloy shell is arranged, the structural strength is improved, and the problem that the structure is easily damaged in the collision process of a falling vehicle and the like is solved, meanwhile, one end of a core, a torsional spring and a bearing are combined into the shell through a bearing installation body, a Hall sensor and an induction magnet are also arranged in the shell to be integrated into a whole structure, the structure is more compact, the occupied space is reduced, the application range is wider, the working reliability can be ensured, various structures such as a guy cable and a rotating handle are reduced, the cost is reduced, in addition, all Hall sensor parts are encapsulated in the bearing installation body, the dustproof and waterproof effects are realized, the control normality is ensured, the service life of the device is prolonged, the rotation is realized by adopting the bearing, the resetting is realized through the torsional spring, the operation smoothness is improved, the service life is prolonged, good feedback force is provided, the problem that jamming or insufficient resetting occurs in the rotation process is avoided, the stability is higher, the device can adapt to vehicles with all throttle operation types, and the adaptability is higher.
The specific technical scheme is as follows:
an electric motorcycle speed-regulating rotating handle is characterized by comprising: the shell, the bearing installation body, the core, a bearing, the torsional spring, hall sensor and response magnet, the shell is the alloy material, the shell is provided with the cavity, and the shell cover is located on the handle pipe, the bearing installation body sets up in the cavity and fixes, and the bearing installation body has seted up the jack, the bearing sets up in the jack and the outer loop of bearing is fixed in the bearing installation body, insert the one end of core and locate in the jack and be fixed in on the inner ring of bearing, and simultaneously, still be provided with the torsional spring in the jack, the both ends of torsional spring are fixed in respectively on the wall body of core and bearing installation body, and insert the core and serve still be provided with response magnet in the jack, and simultaneously, the sensor inlays the hole still has been seted up on the bearing installation body, hall sensor sets up in the.
The electric friction speed regulation rotating handle comprises a limiting portion, a bearing matching portion and a torsion spring matching portion, wherein the end, inserted into the jack, of the core comprises the limiting portion, the bearing matching portion and the torsion spring matching portion, the bearing matching portion is arranged on the outer wall of the torsion spring matching portion in a protruding mode, the length of the bearing matching portion is smaller than that of the torsion spring matching portion, meanwhile, the limiting portion is arranged on the outer wall of the bearing matching portion in a protruding mode, the length of the limiting portion is smaller than that of the bearing matching portion, the torsion spring matching portion is arranged in a cylindrical mode, and the bearing matching portion and the limiting portion.
Foretell handle is changeed in speed governing of electricity friction, wherein, bearing cooperation portion includes a plurality of supporting shoes, and the supporting shoe is distributed on torsional spring cooperation portion in annular array, and all is provided with the groove between two adjacent supporting shoes.
The electric friction speed regulation rotating handle is characterized in that an embedding groove is formed in the side wall of the limiting portion, and an induction magnet is embedded in the embedding groove.
In the electric friction speed regulation rotating handle, the side wall of the limiting part is provided with the limiting block along the radial direction, and the limiting block protrudes outwards.
The electric friction speed regulation rotating handle comprises a bearing installation body, a core, a sensor embedding hole and a sensor embedding hole, wherein the bearing installation body is arranged in a cylindrical shape, the hollow of the bearing installation body is a jack, a limit groove is formed in the side wall of the bearing installation body and is close to the opening of one end of the core, the sensor embedding hole is formed in the side wall of the bearing installation body and is located beside the limit groove, and the sensor embedding hole corresponds to the embedding groove.
In the electric friction speed-regulating rotating handle, the bearing is arranged in the jack, and the outer ring of the bearing is fixed on the wall of the jack.
The electric friction speed regulation rotating handle is characterized in that the torsion spring and the bearing are arranged in the jack in parallel, the torsion spring is sleeved on the torsion spring matching portion, and the inner ring sleeve of the bearing is arranged on the bearing matching portion and fixed.
The handle is changeed in foretell electricity speed governing that rubs, wherein, the back is inserted in the jack to the one end of core, and the stopper is located the spacing inslot, and induction magnet corresponds with hall sensor.
In the electric friction speed regulation rotating handle, the side wall of the bearing installation body is also provided with the fixing structure in a protruding manner, and the fixing structure is fixed on the shell.
The positive effects of the technical scheme are as follows:
the electric friction speed regulating rotating handle is provided with the alloy shell, so that the structural strength of the whole structure is improved, the protection performance is better, and the problem that the structure is easy to damage in the collision process of car falling and the like is solved; the torsion spring and the bearing are arranged in the shell through the bearing installation body and are connected with one end of the handle core, and meanwhile, the Hall sensor and the induction magnet are respectively arranged on the bearing installation body and one end of the handle core inserted into the bearing installation body, so that the aim that the structures such as adjustment, control and the like are integrated is fulfilled, the integrated structure of the speed-adjusting rotating handle is realized, and the problem that the structures such as a speed-adjusting center control, a stay cable and the rotating handle are arranged in a split mode and are separately arranged is avoided, so that the structure is more compact, the occupied installation space is reduced, the working reliability is improved, the adaptability is higher, a large amount of mechanical disassembly and assembly of the whole vehicle are not needed in the later maintenance and repair process, the vehicle body arrangement is simplified, and the design freedom degree of the vehicle is; the Hall sensor is arranged in the sensor embedding hole in the side wall of the bearing installation body and is encapsulated, so that the waterproof and dustproof purposes are realized, the normality of control is ensured, the control performance is improved, and the service life of the device is prolonged; in addition, the core is reset through a torsional spring, so that the rotating operation has more feedback force, the operation comfort is higher, the problem of clamping stagnation or insufficient reset in the rotating process can be prevented, and the stability is higher; moreover, the accelerator pedal can adapt to all vehicles with handle accelerator operation, and the application range is wider.
Drawings
Fig. 1 is a structural diagram of an embodiment of an electric motorcycle speed-regulating rotating handle of the present invention;
fig. 2 is a structural view of a handle core according to a preferred embodiment of the present invention.
In the drawings: 1. a housing; 2. a bearing mounting body; 21. a jack; 22. a limiting groove; 23. a fixed structure; 3. a handle core; 31. an installation end; 32. holding the end by hand; 311. a limiting part; 312. a bearing fitting portion; 313. a torsion spring fitting portion; 3111. caulking grooves; 3112. a limiting block; 3121. a support block; 3122. a spacing groove; 4. a bearing; 5. a torsion spring; 6. a Hall sensor; 7. an induction magnet.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 2, but the following contents are not intended to limit the present invention.
Fig. 1 is a structural diagram of an embodiment of an electric motorcycle speed-regulating rotating handle of the present invention. As shown in fig. 1, the electric motorcycle speed-regulating rotating handle provided by this embodiment includes: shell 1, the bearing installation body 2, core 3, bearing 4, torsional spring 5, hall sensor 6 and induction magnet 7, shell 1 is the alloy material preparation, and is preferred, and shell 1 is the aluminum alloy material for structural strength is higher, has solved the fragile problem of collision in-process structure such as falling the car. In addition, the shell 1 is provided with a cavity, the shell 1 is sleeved on and fixed to the handle pipe, meanwhile, the bearing installation body 2 is arranged in the cavity of the shell 1, the bearing installation body 2 is fixed to the handle pipe through the fixation of the shell 1, the bearing installation body 2 is provided with a jack 21, the bearing 4 is arranged in the jack 21, the outer ring of the bearing 4 is fixed to the bearing installation body 2, in addition, the core 3 is arranged in a cylindrical shape, the handle pipe of the bicycle is inserted into the hollow of the core 3, one end of the core 3 is inserted into the jack 21 and fixed to the inner ring of the bearing 4, so that the core 3 can rotate in the jack 21 of the bearing installation body 2, a structural foundation is provided for subsequent adjustment, the rotation is realized through the bearing 4, the rotation operation is enabled to be more, the service life of the using device is prolonged, in addition, the jack 21 is also provided with a torsion spring 5, two ends of the torsion spring 5 are respectively fixed to the wall body of the core 3 and the bearing installation, the core 3 is reset through the torsion spring 5, so that the rotation operation has more feedback force, the operation comfort is higher, the problem of clamping stagnation or insufficient reset in the repeated rotation process can be prevented, and the stability is higher. In addition, still be provided with response magnet 7 on inserting core 3 in one of jack 21, simultaneously, the sensor caulking hole has still been seted up on bearing installation body 2, hall sensor 6 sets up in the sensor caulking hole and embedment, make when rotating core 3, drive response magnet 7 rotation to core 3, thereby make hall sensor 6 sense the pivoted aperture change, thereby export corresponding signal of telecommunication, realize the regulation and control to the speed of a motor vehicle, because hall sensor 6 adopts the mode of embedment to fix, make waterproof dustproof effect better, thereby the normality of control has been guaranteed, the control performance is improved, the service life of device has been prolonged. In addition, the torsional spring 5, the bearing 4 is installed in the outer casing 1 through the bearing installation body 2 and connected with one end of the core 3, and simultaneously the Hall sensor 6 and the induction magnet 7 are respectively arranged on the bearing installation body 2 and one end of the core 3 inserted into the bearing installation body 2, so that the purposes of integrating the structures such as adjustment and control are realized, the integrated structure of the speed-adjusting rotating handle is realized, the problem that the original structure needs to be provided with the split structures such as the speed-adjusting central control, the guy cable and the rotating handle and is separately arranged is avoided, the structure is more compact, the cost is reduced, the installation space is reduced, the working reliability is improved, the adaptability is higher, a large amount of mechanical disassembly and assembly of the whole vehicle are not needed in the later maintenance and repair processes, the vehicle body arrangement is simplified, the design freedom degree of the vehicle is improved, the structure is more reasonable, and vehicles of all handle throttle operation classes are satisfied, the application range is wider, and the popularization and the promotion are more facilitated.
Fig. 2 is a structural view of a handle core according to a preferred embodiment of the present invention. As shown in fig. 1 and 2, one end of the core 3 inserted into the insertion hole 21 is a mounting end 31, the other end of the core 3 is a handle end 32, wherein the mounting end 31 for inserting the core 3 into the insertion hole 21 includes a position-limiting portion 311, a bearing engaging portion 312 and a torsion spring engaging portion 313, the bearing engaging portion 312 is protrudingly disposed on an outer wall of the torsion spring engaging portion 313, the length of the bearing engaging portion 312 is smaller than that of the torsion spring engaging portion 313, the bearing engaging portion 312 is disposed at an end of the torsion spring engaging portion 313 close to the handle end 32, so that the torsion spring 5 is mounted on the bearing 4 with a certain mounting area left on the torsion spring engaging portion 313, meanwhile, the position-limiting portion 311 is protrudingly disposed on an outer wall of the bearing engaging portion 312, the length of the position-limiting portion 311 is smaller than that of the bearing engaging portion 312, and the position-limiting portion 311 is disposed at an end of the bearing engaging portion 312 close to the handle end, structural arrangement is more reasonable, and torsional spring cooperation portion 313 is the tube-shape and sets up, and the handlebar pipe of the car of being convenient for can pass, and bearing cooperation portion 312 and spacing portion 311 all are cyclic annular setting, cooperation bearing 4 that can be better and jack 21 isotructure.
Specifically, the bearing matching portion 312 protruding out of the torsion spring matching portion 313 further includes a plurality of supporting blocks 3121, the supporting blocks 3121 are distributed on the torsion spring matching portion 313 in an annular array manner, an inter-groove 3122 is arranged between two adjacent supporting blocks 3121, the inner ring of the bearing 4 is conveniently sleeved, meanwhile, an adjustable pre-load fixing base can be provided for one end of the torsion spring 5 through the inter-groove 3122, and the structure is more reasonable.
Specifically, the caulking groove 3111 has been seted up on the lateral wall of the spacing portion 311 of the installation end 31 of core 3, and the embedded induction magnet 7 that is equipped with of caulking groove 3111 for can drive induction magnet 7 and rotate when rotating core 3, thereby cooperation hall sensor 6 realizes regulation control.
More specifically, the side wall of the position-limiting portion 311 of the handle core 3 is provided with a position-limiting block 3112 along the radial direction thereof, the bearing installation body 2 is arranged in a cylindrical shape, the hollow of the bearing installation body 2 is a jack 21, the side wall of the bearing installation body 2 is provided with a position-limiting groove 22 at the opening close to the end of the handle holding end 32 of the handle core 3, meanwhile, the sensor embedding hole is arranged in the side wall of the bearing installation body 2 and is positioned at the side of the position-limiting groove 22, and the sensor embedding hole corresponds to the embedding groove 3111, that is, after one end of the handle core 3 is inserted into the jack 21, the induction magnet 7 in the embedding groove 3111 corresponds to the hall sensor 6 in the sensor embedding hole, meanwhile, the position-limiting block 3112 on the position-limiting portion 311 is positioned in the position-limiting groove 22 of the bearing installation body 2, so that the induction magnet 7 can be rotated when the handle core 3 is rotated, and the change, thereby the signal of telecommunication that the output corresponds realizes the regulation control to the speed of a motor vehicle to, the cooperation through stopper 3112 and spacing groove 22 has injectd 3 pivoted angle ranges of core, prevents excessively to rotate the safe risk that core 3 leads to, can also be used for preloading the regulation to torsional spring 5 simultaneously, and the structure is more reasonable, and the safety guarantee nature is higher.
More specifically, set up on the outer loop of the bearing 4 in the jack 21 is fixed in the pore wall of jack 21 for connect through bearing 4 between core 3 and the bearing installation body 2, compare in original structure that does not have bearing 4, rotate the operation more smoothly, prolonged the life of operative installations, reduced use cost.
More specifically, set up torsional spring 5 and bearing 4 in the bearing installation body 2 and set up in jack 21 side by side, and torsional spring 5 cover is located on torsional spring cooperation portion 313, bearing 4's interior snare is located on bearing cooperation portion 312 and is fixed, make to rotate when core 3, torsional spring 5's one end is taken core 3 rotation and takes place elastic deformation, thereby make when loosening core 3, core 3 can be driven and automatic re-setting when torsional spring 5 replies, not only make the rotation operation possess better feedback dynamics, the travelling comfort of operation has been improved, can also prevent to rotate the problem that the in-process resets inadequately or the jamming appears repeatedly, the safety guarantee nature is higher.
More specifically, still the outstanding fixed knot that is provided with constructs 23 on the lateral wall of bearing installation body 2, and fixed knot constructs 23 and is fixed in on shell 1 for bearing installation body 2 is fixed more firmly in shell 1, and the structure is more reasonable.
The electric friction speed regulation rotating handle provided by the embodiment comprises a shell 1, a bearing installation body 2, a handle core 3, a bearing 4, a torsion spring 5, a Hall sensor 6 and an induction magnet 7; by arranging the shell 1 made of alloy materials and arranging other components in the shell 1, the structure strength is improved, the protectiveness is higher, the loss prevention effect is better, the integrated arrangement of the device is realized, the structure is more compact, the occupied space is smaller, the adaptability is higher, the problems of space waste and poor reliability caused by the separated arrangement of the split structure are avoided, the later maintenance and replacement are facilitated, the design freedom of the vehicle is improved, and the device is suitable for vehicles with all handle throttle operations; in addition, the core 3 is arranged on the bearing installation body 2 through the bearing 4, and the reset is realized through the torsion spring 5, so that the smoothness of the rotation operation is higher, the problem that the core 3 is blocked or insufficiently reset in the repeated rotation process is solved, the structure is more reasonable, and the safety guarantee is higher; and, install hall sensor 6 with the mode of embedment, waterproof dustproof effect has prevented the poor or problem of losing of device performance, and the guarantee nature is higher.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. An electric motorcycle speed-regulating rotating handle is characterized by comprising: the device comprises a shell, a bearing installation body, a handle core, a bearing, a torsion spring, a Hall sensor and an induction magnet, wherein the shell is made of alloy materials and is provided with a cavity, the outer shell is sleeved on the handle pipe, the bearing installation body is arranged in the cavity and fixed, and the bearing mounting body is provided with a jack, the bearing is arranged in the jack, the outer ring of the bearing is fixed in the bearing mounting body, one end of the handle core is inserted in the jack and fixed on the inner ring of the bearing, meanwhile, the torsional spring is also arranged in the jack, two ends of the torsional spring are respectively fixed on the handle core and the wall body of the bearing installation body, and the induction magnet is also arranged at one end of the handle core inserted in the jack, and at the same time, the bearing mounting body is further provided with a sensor embedding hole, and the Hall sensor is arranged in the sensor embedding hole and is encapsulated.
2. The electric motorcycle speed-regulating rotating handle according to claim 1, wherein the end of the core inserted into the insertion hole includes a spacing portion, a bearing cooperation portion and a torsion spring cooperation portion, the bearing cooperation portion is protrudingly disposed on the outer wall of the torsion spring cooperation portion, and the length of the bearing cooperation portion is smaller than that of the torsion spring cooperation portion, and simultaneously, the spacing portion is protrudingly disposed on the outer wall of the bearing cooperation portion, the length of the spacing portion is smaller than that of the bearing cooperation portion, and the torsion spring cooperation portion is in a cylindrical shape, and the bearing cooperation portion and the spacing portion are in an annular shape.
3. The handle as set forth in claim 2, wherein the bearing engaging portion comprises a plurality of support blocks, the support blocks are distributed on the torsion spring engaging portion in an annular array, and a space is formed between two adjacent support blocks.
4. An electric motorcycle speed-regulating rotating handle according to claim 2, wherein the side wall of the limiting part is provided with an embedding groove, and an induction magnet is embedded in the embedding groove.
5. An electric motorcycle speed-regulating rotating handle as claimed in claim 4, wherein a limiting block is provided on the side wall of the limiting part along the radial direction thereof.
6. An electric motorcycle speed-regulating twist grip according to claim 5, wherein the bearing mounting body is cylindrical, the hollow of the bearing mounting body is the insertion hole, a limit groove is provided on the side wall of the bearing mounting body and near the opening of one end of the grip core, meanwhile, the sensor insertion hole is provided in the side wall of the bearing mounting body and beside the limit groove, and the sensor insertion hole corresponds to the insertion groove.
7. An electric motorcycle speed regulating twist grip according to claim 6, wherein said bearing is disposed in said receptacle and an outer race of said bearing is secured to a wall of said receptacle.
8. The electric motorcycle speed-regulating rotating handle according to claim 7, wherein the torsion spring and the bearing are arranged in the jack in parallel, the torsion spring is sleeved on the torsion spring matching portion, and an inner ring of the bearing is sleeved on and fixed to the bearing matching portion.
9. The electric motorcycle speed-regulating rotating handle according to claim 6, wherein after one end of the handle core is inserted into the jack, the limiting block is positioned in the limiting groove, and the induction magnet corresponds to the hall sensor.
10. An electric motorcycle speed-regulating rotating handle as claimed in claim 1, wherein a fixing structure is further protrudingly provided on a side wall of the bearing mounting body, and the fixing structure is fixed to the housing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920598162.8U CN209870647U (en) | 2019-04-28 | 2019-04-28 | Electric motorcycle speed-regulating rotating handle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920598162.8U CN209870647U (en) | 2019-04-28 | 2019-04-28 | Electric motorcycle speed-regulating rotating handle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209870647U true CN209870647U (en) | 2019-12-31 |
Family
ID=68962736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920598162.8U Active CN209870647U (en) | 2019-04-28 | 2019-04-28 | Electric motorcycle speed-regulating rotating handle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209870647U (en) |
-
2019
- 2019-04-28 CN CN201920598162.8U patent/CN209870647U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI695788B (en) | Vehicle, wheelset, and hub apparatus thereof | |
EP0531200B1 (en) | Power unit for motor vehicles | |
ES2424658T3 (en) | Fist tube | |
BR9805138A (en) | Steering assembly for turning a vehicle's steerable wheels in response to the rotation of a vehicle's steering wheel. | |
JP2010259271A (en) | Electric motor and electric vehicle | |
CN102804555A (en) | Vehicle provided with a driving motor | |
CN209870647U (en) | Electric motorcycle speed-regulating rotating handle | |
EP2797807A1 (en) | A bracket shaft assembly, a power assist assembly and a human powered vehicle | |
US20060254864A1 (en) | Hollow-shaft encoder with motor-shaft protective cap | |
BR9916782A (en) | Automatic transmission for electric bicycle | |
CN111565957A (en) | In-wheel motor driving device of integrated electronic brake | |
CN211086338U (en) | Wheel speed sensor assembly | |
CN211543787U (en) | Speed-regulating rotating handle | |
CN210363730U (en) | Engineering vehicle windscreen wiper | |
CN106230187A (en) | A kind of blade method of attachment and device | |
CN208565288U (en) | A kind of high-speed rotary bearing (ball) cover | |
CN214014040U (en) | Electric motor | |
CN218317108U (en) | Hall electronic rotating handle | |
CN213921370U (en) | Anti-interference rotating handle | |
CN220944778U (en) | Grinding head driving device and glass edging machine | |
CN210297399U (en) | Motor rear end structure and motor comprising same | |
CN201307507Y (en) | Improved transmission structure of regulator | |
CN209700862U (en) | The built-in motor of electric bicycle | |
CN218564285U (en) | Spring preload adjuster for front shock absorber | |
CN218276426U (en) | High efficiency brake step motor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |