CN215590941U

CN215590941U - Friction driver

Info

Publication number: CN215590941U
Application number: CN202122161794.8U
Authority: CN
Inventors: 邵万江
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-21
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a friction driver, belonging to the technical field of driving devices, wherein a brushless motor is fixedly arranged on the surface of a metal main body, a left metal swing arm is fastened on the surface of the metal main body through a screw, a left swing arm shaft is fastened on the surface of the left metal swing arm through a screw, a slot is designed below the right metal swing arm, so that the top of a pull rod screw is placed in the slot, when a pull rod knob is rotated clockwise, the pull rod screw can prop against the right metal swing arm, so that the included angle between a C-shaped ring and the right metal swing arm is increased, when the pull rod knob is rotated anticlockwise, the top of the pull rod screw can reversely hook the slot of the right metal swing arm, so that the included angle between the right metal swing arm and the C-shaped ring is reduced, the rotation angle of a rotating shaft is adjusted into rigid connection, the adjustment angle is not influenced by gravity, and can still be separated from a tire, the application range is increased.

Description

Friction driver

Technical Field

The utility model relates to the technical field of driving devices, in particular to a friction driver.

Background

The structure of the friction booster is a structure which uses friction force to transmit power by means of a motor and is used for driving a two-wheel vehicle to move forward.

However, the existing similar booster only has one installation position, and is mostly separated by using gravity, the application range of the structure is small due to the influence of the installation position and the gravity, and the structure has large use limitation.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a friction driver, wherein a groove is designed below a right metal swing arm, so that the top of a pull rod screw is placed in the groove, when a pull rod knob is rotated clockwise, the pull rod screw can prop against the right metal swing arm, and therefore the included angle between a C-shaped ring and the right metal swing arm is increased, when the pull rod knob is rotated anticlockwise, the top of the pull rod screw can reversely hook the groove of the right metal swing arm, so that the included angle between the right metal swing arm and the C-shaped ring is reduced, the rotation angle adjustment of a rotating shaft is changed into rigid connection, the adjustment angle cannot be influenced by gravity, the right metal swing arm and the C-shaped ring can still be separated from a tire, and the application range of the friction driver is enlarged.

In order to solve the above problems, the present invention adopts the following technical solutions.

A friction driver comprises a metal main body, wherein a brushless motor is fixedly installed on the surface of the metal main body, a left metal swing arm is fastened on the surface of the metal main body through screws, a left swing arm shaft is fastened on the surface of the left metal swing arm through screws, a left plastic cover is fastened on the other side surface of the left metal swing arm through screws, a right swing arm shaft is sleeved on the surface of the metal main body through a set through hole, the right swing arm shaft is fastened with the metal main body through screws, a right metal swing arm is fastened on the other end of the right swing arm shaft through screws, a groove is formed in the lower end surface of the right metal swing arm, a C-shaped ring is fastened on the surface of the metal main body through a C-shaped ring fixing screw, a pull rod screw is connected on the lower end surface of the C-shaped ring through a screw thread hole, one end of the pull rod screw is positioned in the groove, the other end fixedly connected with pull rod knob of pull rod screw, the surface of C type ring has the right side plastics lid through screw fastening, this friction driver is through the below design fluting at right side metal swing arm, make the top of pull rod screw put into at this fluting, when clockwise rotation pull rod knob, the pull rod screw can withstand right side metal swing arm, thereby increase the contained angle of C type ring and right side metal swing arm, when anticlockwise rotation pull rod knob, the top of pull rod screw can reverse hook the fluting of right side metal swing arm, make the contained angle of right side metal swing arm and C type ring diminish, thereby make the rotation angle adjustment of pivot become rigid connection, angle of adjustment can not receive the influence of gravity, still can separate with the tire, its application scope has been increased.

Further, brushless motor's surface is connected with the control panel through the wire, the surface of metal subject is equipped with the fluting space, and the inner wall is connected with the surface contact of the control panel of brushless motor setting, the space size in the fluting space that the metal subject surface set up is greater than the volume of the control panel of brushless motor setting, and the fluting space that the metal subject set up has the effect of keeping away the sky, makes things convenient for brushless motor's installation, has improved the barrier propterty to its control panel.

Further, the opening part in the fluting space that the metal main part surface set up has the plastics protecgulum through screw fastening, the material of plastics protecgulum is environmental protection engineering plastics, the hole that the screw of being convenient for passed is seted up on the surface of plastics protecgulum, and the plastics protecgulum that sets up has sealed effect, great improvement to the dustproof performance of brushless motor control panel.

Further, swing arm axle fixed orifices and motor fixed orifices have been seted up on the surface of right side metal swing arm, the screw has been cup jointed to the inner wall of motor fixed orifices, and the one end of screw passes through screw thread and brushless motor's surperficial threaded connection, and right side metal swing arm not only can fix brushless motor's right-hand member position, is connected through screw and right side swing arm axle moreover, can form the pivot structure.

Further, the spout has been seted up on the surface of C type ring, the shape of spout is the arc, the inner wall of spout is connected with the surface contact of C ring set screw, and the arc spout that sets up makes C type ring can fix on metal main part with different angles.

Furthermore, the left plastic cover is made of the same material as the plastic front cover and provided with a hole for a screw to pass through, and the left plastic cover has a sealing and dustproof effect, so that the internal dustproof performance of the friction driver is improved.

Furthermore, the right side swing arm shaft is of a hollow structure, the inner wall of the right side swing arm shaft is in contact with the surface of the wire of the brushless motor, the right side swing arm shaft of the hollow structure facilitates the installation and wiring of the brushless motor, and the protection safety of the wire is improved.

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is through the fluting of below design at right side metal swing arm, make the top of pull rod screw put into in this fluting, when clockwise rotation pull rod knob, the pull rod screw can withstand right side metal swing arm, thereby increase the contained angle of C type ring and right side metal swing arm, when anticlockwise rotation pull rod knob, the top of pull rod screw can reverse hook the fluting of right side metal swing arm, make the contained angle of right side metal swing arm and C type ring diminish, thereby make the rotation angle adjustment of pivot become rigid connection, angle of adjustment can not receive the gravity influence, still can separate with the tire, the application scope thereof has been increased.

(2) The surface of brushless motor is connected with the control panel through the wire, and the surface of metal subject is equipped with the fluting space, and the inner wall is connected with the surface contact of the control panel of brushless motor setting, and the space size in the fluting space that the metal subject surface set up is greater than the volume of the control panel of brushless motor setting, and the fluting space that the metal subject set up has the effect of keeping away the sky, makes things convenient for brushless motor's installation, has improved the barrier propterty to its control panel.

(3) The opening part in the fluting space that the metal main part surface set up has the plastics protecgulum through screw fastening, and the material of plastics protecgulum is environmental protection engineering plastics, and the hole that the screw of being convenient for passed is seted up on the surface of plastics protecgulum, and the plastics protecgulum that sets up has sealed effect, great improvement to the dustproof performance of brushless motor control panel.

(4) Swing arm axle fixed orifices and motor fixed orifices have been seted up on the surface of right side metal swing arm, and the screw has been cup jointed to the inner wall of motor fixed orifices, and the one end of screw passes through screw thread and brushless motor's surperficial threaded connection, and brushless motor's right-hand member position not only can be fixed to right side metal swing arm, is connected through screw and right side swing arm axle moreover, can form the pivot structure.

(5) The spout has been seted up on the surface of C type ring, and the shape of spout is the arc, and the inner wall of spout is connected with the surface contact of C ring set screw, and the arc spout that sets up makes C type ring can fix on metal main part with different angles.

(6) The left side plastic cover's material is the same with the material of plastics protecgulum, has the hole that the screw of being convenient for passed, and the left side plastic cover who sets up has sealed dirt-proof effect, has improved the inside dustproof performance of friction driver.

(7) The right side swing arm shaft is of a hollow structure, the inner wall of the right side swing arm shaft is in contact with the surface of the wire of the brushless motor and is connected with the wire surface of the brushless motor, the right side swing arm shaft of the hollow structure facilitates the installation and wiring of the brushless motor, and the protection safety of the wire is improved.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a rear view of the right metal swing arm of the present invention;

fig. 4 is a front view of the right metal swing arm of the present invention.

The reference numbers in the figures illustrate:

1 left side plastics lid, 2 left side metal swing arms, 3 left side swing arm axle, 4 metal main parts, 5 plastics protecgulums, 6 right side swing arm axles, 7 brushless motor, 8C type ring, 81 spout, 9 right side metal swing arms, 91 swing arm axle fixed orifices, 92 motor fixed orifices, 10 pull rod screws, 11 pull rod knobs, 12 right side plastics lids, 13C ring fixed screws, 14 flutings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

Referring to fig. 1-4, a friction driver comprises a metal body 4, referring to fig. 1-4, a brushless motor 7 is fixedly installed on the surface of the metal body 4, the brushless motor 7 is an external rotor motor, the outer ring rotates, four screw fixing hole sites are respectively arranged on the side surface, two ends of the brushless motor 7 are respectively fixed on a right metal swing arm 9 and a left metal swing arm 2 by screws, two screw holes are arranged on the top of the metal body 4 and can be fixed on other supports, the left metal swing arm 2 is fastened on the surface of the metal body 4 by screws, a left swing arm shaft 3 is fastened on the surface of the left metal swing arm 2 by screws, a left plastic cover 1 is fastened on the other side surface of the left metal swing arm 2 by screws, a right swing arm shaft 6 is sleeved on the surface of the metal body 4 by a through hole, and the right swing arm shaft 6 is fastened with the metal body 4 by screws, the other end of the right swing arm shaft 6 is fastened with a right metal swing arm 9 through a screw, the lower end surface of the right metal swing arm 9 is provided with a notch 14, the notch 14 is of a T-shaped structure, the middle of the surface of the right metal swing arm 9 is provided with a long groove for placing a wiring of the brushless motor 7, the surface of the metal body 4 is fastened with a C-shaped ring 8 through a C-shaped ring fixing screw 13, the lower end surface of the C-shaped ring 8 is connected with a pull rod screw 10 through a threaded hole in a threaded manner, one end of the pull rod screw 10 is positioned in the notch 14, one end of the pull rod screw 10 is fixed with an arc-shaped cap, the pull rod screw has an anti-falling function, the other end of the pull rod screw 10 is fixedly connected with a pull rod knob 11, a user can conveniently and manually rotate the pull rod screw 10, the surface of the C-shaped ring 8 is fastened with a right plastic cover 12 through a screw, and the right plastic cover 12 is made of the same material as the plastic front cover 5, the hole that is convenient for the screw to pass through, the right side plastics lid 12 that sets up has sealed dirt-proof effect, has improved the inside dustproof performance of friction drive ware.

Please refer to fig. 2, the surface of brushless motor 7 is connected with the control panel through the wire, the surface of metal main body 4 is provided with a slotting space, and the inner wall is connected with the surface contact of the control panel that brushless motor 7 set up, the space size of the slotting space that metal main body 4 surface set up is greater than the volume of the control panel that brushless motor 7 set up, the slotting space that metal main body 4 set up has the effect of keeping away from the sky, make things convenient for brushless motor 7's installation, the barrier propterty to its control panel has been improved, the opening part of the slotting space that metal main body 4 surface set up has plastics protecgulum 5 through screw fastening, the material of plastics protecgulum 5 is environmental protection engineering plastics, the hole that the screw of being convenient for passed is seted up on the surface of plastics protecgulum 5, the plastics protecgulum 5 that sets up has sealed effect, great improvement is to the dustproof performance of brushless motor 7 control panel.

Please refer to fig. 3 and 4, the surface of the right metal swing arm 9 is provided with a swing arm shaft fixing hole 91 and a motor fixing hole 92, the inner wall of the motor fixing hole 92 is sleeved with a screw, and one end of the screw is connected with the surface thread of the brushless motor 7 through a thread, the right metal swing arm 9 can fix the right end position of the brushless motor 7, and is connected with the right swing arm shaft 6 through a screw, a rotating shaft structure can be formed, the surface of the C-shaped ring 8 is provided with a sliding groove 81, the sliding groove 81 is arc-shaped, the inner wall of the sliding groove 81 is connected with the surface contact of the C-shaped ring fixing screw 13, and the arc-shaped sliding groove 81 is arranged so that the C-shaped ring 8 can be fixed on the metal body 4 at different angles.

Referring to fig. 2, the left plastic cover 1 is made of the same material as the plastic front cover 5 and has a hole for a screw to pass through, the left plastic cover 1 is sealed and dustproof, the inner dustproof performance of the friction driver is improved, the right swing arm shaft 6 is of a hollow structure, the inner wall of the right swing arm shaft is in contact connection with the surface of a wire of the brushless motor 7, the right swing arm shaft 6 of the hollow structure facilitates the installation and wiring of the brushless motor 7, and the protection safety of the wire is improved.

This friction drive ware is through the fluting 14 of below design at right side metal swing arm 9, make the top anticreep cap of pull rod screw 10 put into in this fluting 14, when the manual clockwise rotation pull rod knob 11 of user, pull rod screw 10 can withstand right side metal swing arm 9, thereby increase C type ring 8 and right side metal swing arm 9's contained angle, when the manual anticlockwise rotation pull rod knob 11 of user, the top anticreep cap of pull rod screw 10 can reverse hook the fluting 14 of right side metal swing arm 9, make right side metal swing arm 9 and C type ring 8's contained angle diminish, thereby make the rotation angle adjustment of the pivot of right side metal swing arm 9 and right side swing arm axle 6 connection formation become rigid connection, the adjustment angle can not receive the influence of gravity, still can separate with the tire, the application scope of friction drive ware has been increased.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. A friction drive comprising a metal body (4), characterized in that: the surface fixing of metal main body (4) installs brushless motor (7), the surface of metal main body (4) has left side metal swing arm (2) through screw fastening, the surface of left side metal swing arm (2) has left side swing arm axle (3) through screw fastening, the another side of left side metal swing arm (2) has left side plastics lid (1) through screw fastening, the surface of metal main body (4) has cup jointed right side swing arm axle (6) through the through-hole of seting up, and passes through screw fastening between right side swing arm axle (6) and the metal main body (4), the other end of right side swing arm axle (6) has right side metal swing arm (9) through screw fastening, fluting (14) have been seted up to the lower extreme surface of right side metal swing arm (9), the surface of metal main body (4) has C type ring (8) through C ring fixed screw (13) fastening, the lower extreme surface of C type ring (8) has pull rod screw (10) through screw hole threaded connection, the one end of pull rod screw (10) is in fluting (14), the other end fixedly connected with pull rod knob (11) of pull rod screw (10), the surface of C type ring (8) has right side plastics lid (12) through the screw fastening.

2. A friction drive as claimed in claim 1 wherein: the surface of brushless motor (7) is connected with the control panel through the wire, the surface of metal main part (4) is equipped with the fluting space, and the inner wall is connected with the surface contact of the control panel that brushless motor (7) set up, the spatial dimension in the fluting space that metal main part (4) surface set up is greater than the volume of the control panel that brushless motor (7) set up.

3. A friction drive as claimed in claim 1 wherein: the opening part in the fluting space that metal main part (4) surface set up has plastics protecgulum (5) through the screw fastening, the material of plastics protecgulum (5) is environmental protection engineering plastics, the hole that the screw of being convenient for passed is seted up on the surface of plastics protecgulum (5).

4. A friction drive as claimed in claim 1 wherein: swing arm axle fixed orifices (91) and motor fixed orifices (92) have been seted up on the surface of right side metal swing arm (9), the screw has been cup jointed to the inner wall of motor fixed orifices (92), and the surface threaded connection of screw and brushless motor (7) is passed through to the one end of screw.

5. A friction drive as claimed in claim 1 wherein: the surface of C type ring (8) has been seted up spout (81), the shape of spout (81) is the arc, the inner wall of spout (81) is connected with the surface contact of C ring set screw (13).

6. A friction drive as claimed in claim 1 wherein: the left plastic cover (1) is made of the same material as the plastic front cover (5).

7. A friction drive as claimed in claim 1 wherein: the right swing arm shaft (6) is of a hollow structure, and the inner wall of the right swing arm shaft is in contact connection with the surface of a lead of the brushless motor (7).