CN218326067U - Synchronous belt drive structure for reducing noise - Google Patents

Abstract

The utility model discloses a synchronous belt drive structure of noise reduction, including casing and bearing, the motor is installed to the outside rear end of casing, and the front end of motor is provided with vice synchronous fluted disc, planetary gear is installed to the rear end of vice synchronous fluted disc. This synchronous belt drive structure of noise reduction, compare with current ordinary synchronous belt drive structure, vice synchronous fluted disc meshes with planetary gear mutually, planetary gear meshes with the internal fluted disc mutually, motor drive vice synchronous fluted disc rotates, linkage planetary gear is at the internal fluted disc internal rotation, vice synchronous fluted disc passes through synchronous belt body drive output synchronous tooth and rotates, adopt planetary gear transmission (4.4) to replace traditional straight-teeth gear to slow down and obtain higher reduction ratio moment of torsion output, planetary gear output moment is on an axis, mechanical vibration has been reduced than the gear drive of general application, thereby operate more steadily, the noise reduction, and structurally more be suitable for batch processing, thereby reduce advantages such as motor cost.

Description

Synchronous belt drive structure for reducing noise

Technical Field

The utility model relates to an electric bicycle technical field specifically is a synchronous belt drive structure of noise reduction.

Background

An electric bicycle is a mechatronic personal transportation tool which takes a storage battery as auxiliary energy and is provided with an electric motor, a controller, the storage battery, a rotating handle brake handle and other operating components and a display instrument system on the basis of a common bicycle, and a synchronous belt transmission structure is a transmission structure of the electric bicycle.

The noise is great when current synchronous belt drive structure moves, and vibrations are great, and stability is relatively poor, can not be fine satisfy people's user demand, to above-mentioned condition, carries out technical innovation on current synchronous belt drive structure basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a synchronous belt drive structure of noise reduction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a noise reduction's synchronous belt drive structure, includes casing and bearing, the motor is installed to the outside rear end of casing, and the front end of motor is provided with vice synchronous fluted disc, planetary gear is installed to the rear end of vice synchronous fluted disc, and planetary gear's outside is provided with interior fluted disc, the hold-in range body is installed to the front end of vice synchronous fluted disc, and the outside of hold-in range body is provided with the synchronous tooth of output, the bearing sets up in the outside of the synchronous tooth of output, the automatically regulated wheel is installed to the inner wall top of casing, and is provided with the lubricated subassembly that is used for lubricating on one side of the inner wall of casing.

Furthermore, the planet gears are arranged along the circle center circumference of the auxiliary synchronous fluted disc, and the circle center of the auxiliary synchronous fluted disc is coincided with the circle center of the inner fluted disc.

Furthermore, the output synchronous teeth are rotationally connected with the shell through bearings, and the circle centers of the bearings and the circle center of the shell are overlapped.

Further, the lubricating assembly comprises a tank body, an oil filling port, a cover plate, a bolt, a pressurizing pipe and a one-way valve, the oil filling port and the pressurizing pipe are sequentially connected to one side of the tank body from top to bottom, the cover plate is arranged outside the oil filling port, the bolt is arranged outside the cover plate, and the one-way valve is arranged outside the pressurizing pipe.

Furthermore, the tank body is communicated with the oil filling port, and the oil filling port is fixedly connected with the cover plate through a bolt.

Furthermore, the lubricating assembly further comprises an output head, an electromagnetic valve and a nozzle, the other side of the tank body is connected with the output head, and the electromagnetic valve and the nozzle are sequentially arranged on the outer portion of the output head from top to bottom.

Furthermore, the output head is communicated with the tank body, and the nozzles are distributed at equal intervals along the vertical direction of the output head.

Compared with the prior art, the beneficial effects of the utility model are that: the synchronous belt transmission structure has the advantages that the planetary gear transmission (namely) is adopted to replace the traditional straight gear for speed reduction to obtain higher speed reduction ratio torque output, the output torque of the planetary gear is on one axis, and the mechanical vibration is reduced compared with the commonly applied gear transmission, so that the operation is more stable, the noise is reduced, the synchronous belt transmission structure has a lubricating function, and the abrasion in use is effectively reduced;

1. the utility model discloses a motor, vice synchronous fluted disc, planetary gear, the internal tooth dish, the hold-in range body, the setting of output synchronous tooth and bearing, vice synchronous fluted disc meshes with planetary gear mutually, planetary gear meshes with the internal tooth dish mutually, motor drive vice synchronous fluted disc rotates, linkage planetary gear rotates in the internal tooth dish, vice synchronous fluted disc passes through hold-in range body drive output synchronous tooth and rotates, adopt planetary gear drive (4.4);

2. the utility model discloses a jar body, oil filler hole, apron, bolt, forcing pipe, check valve, delivery head, solenoid valve and nozzle's setting is opened the apron, through the oil filler hole toward jar internal additive lubricating oil, after covering the apron, inserts the force (forcing) pump on the forcing pipe, pressurizes the jar body, after opening the solenoid valve, lubricating oil flows into the delivery head, through the nozzle blowout, lubricates spare parts such as planetary gear for this synchronous belt drive structure possesses lubricating function, effectively slows down the wearing and tearing when using.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a schematic view of the planetary gear of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the main body of the present invention;

fig. 4 is an enlarged schematic view of the lubricating assembly of the present invention.

In the figure: 1. a housing; 2. a motor; 3. a secondary synchronous fluted disc; 4. a planetary gear; 5. an inner fluted disc; 6. a synchronous belt body; 7. outputting the synchronous teeth; 8. a bearing; 9. an automatic adjustment wheel; 10. a lubrication assembly; 1001. a tank body; 1002. an oil filler; 1003. a cover plate; 1004. a bolt; 1005. a pressurizing pipe; 1006. a one-way valve; 1007. an output head; 1008. an electromagnetic valve; 1009. and (4) a nozzle.

Detailed Description

As shown in fig. 1-3, a synchronous belt transmission structure for reducing noise comprises a housing 1 and a bearing 8, wherein a motor 2 is installed at the rear end of the outside of the housing 1, a sub-synchronous fluted disc 3 is installed at the front end of the motor 2, a planetary gear 4 is installed at the rear end of the sub-synchronous fluted disc 3, an inner fluted disc 5 is installed at the outside of the planetary gear 4, the planetary gears 4 are arranged along the circle center circumference of the sub-synchronous fluted disc 3, the circle center of the sub-synchronous fluted disc 3 coincides with the circle center of the inner fluted disc 5, a synchronous belt body 6 is installed at the front end of the sub-synchronous fluted disc 3, an output synchronous tooth 7 is installed at the outside of the synchronous belt body 6, the bearing 8 is installed at the outside of the output synchronous tooth 7, the output synchronous tooth 7 is rotatably connected with the housing 1 through the bearing 8, and the circle center of the bearing 8 coincides with the circle center of the housing 1, vice synchronous fluted disc 3 meshes with planetary gear 4 mutually, planetary gear 4 meshes with interior fluted disc 5 mutually, motor 2 drive vice synchronous fluted disc 3 rotates, linkage planetary gear 4 is at 5 rotations of interior fluted disc, vice synchronous fluted disc 3 passes through synchronous belt body 6 drive output synchronous tooth 7 and rotates, adopt 4.4 transmission of planetary gear 1 to replace traditional straight-teeth gear to slow down and obtain higher reduction ratio moment of torsion output, 4 output torque of planetary gear is on an axis, gear drive than the general application has reduced mechanical vibration, thereby the operation is more steady, the noise reduction, and structurally more be suitable for batch processing, thereby reduce advantages such as motor 2 cost, automatically regulated wheel 9 is installed to the inner wall top of casing 1, and inner wall one side of casing 1 is provided with the lubricated subassembly 10 that is used for the lubrication.

As shown in fig. 4, the lubricating assembly 10 includes a tank 1001, an oil filler 1002, a cover plate 1003, a bolt 1004, a pressure pipe 1005 and a check valve 1006, wherein the oil filler 1002 and the pressure pipe 1005 are sequentially connected to one side of the tank 1001 from top to bottom, the cover plate 1003 is mounted outside the oil filler 1002, the bolt 1004 is disposed outside the cover plate 1003, the check valve 1006 is mounted outside the pressure pipe 1005, the tank 1001 and the oil filler 1002 are communicated with each other, the oil filler 1002 is fixedly connected to the cover plate 1003 through the bolt 1004, the lubricating assembly 10 further includes an output head 1007, a solenoid valve 1008 and a nozzle 1009, the output head 1007 is connected to the other side of the tank 1001, the solenoid valve 1008 and the nozzle 1009 are sequentially disposed outside the output head 1007 from top to bottom, the output head 1007 and the tank 1001 are communicated with each other, and the nozzle 1009 is equidistantly distributed in the vertical direction of the output head 1007 by opening the cover plate 1003, lubricating oil is added into the tank 1001 through the oil filler 1002, after the cover plate 1003 is covered, a pressure pump is connected to the pressure pipe 1005, the tank 1001 is used for pressurizing the tank 1001, after the solenoid valve is opened, the nozzle 1007 is injected, and a zero transmission component such as a gear 4, so that the lubricating structure is provided with a lubricating effect of reducing the lubricating structure when the lubricating structure is used.

The working principle is as follows: when the synchronous belt transmission structure for reducing noise is used, firstly, the secondary synchronous fluted disc 3 is meshed with the planetary gear 4, the planetary gear 4 is meshed with the inner fluted disc 5, the motor 2 drives the secondary synchronous fluted disc 3 to rotate, the planetary gear 4 rotates in the inner fluted disc 5 in a linkage manner, the secondary synchronous fluted disc 3 drives the output synchronous teeth 7 to rotate through the synchronous belt body 6, 1 part of the planetary gear 4 transmission 4.4 is adopted to replace the traditional straight gear to reduce the speed so as to obtain higher torque output, the cover plate 1003 is opened, lubricating oil is added into the tank body through the oil filling port 1002, after the cover plate 1003 is covered, a pressure pump is connected onto the pressure pipe 1005 to pressurize the tank body 1001, after the electromagnetic valve 1008 is opened, the lubricating oil flows into the output head 1007 and is sprayed out through the nozzle 1009 to lubricate the parts such as the planetary gear 4, and the abrasion during use is effectively reduced, and the working principle of the synchronous belt transmission structure for reducing noise is realized.

Claims (7)

1. The utility model provides a synchronous belt drive structure of noise reduction, includes casing (1) and bearing (8), its characterized in that, motor (2) are installed to the outside rear end of casing (1), and the front end of motor (2) is provided with vice synchronous fluted disc (3), planetary gear (4) are installed to the rear end of vice synchronous fluted disc (3), and the outside of planetary gear (4) is provided with interior fluted disc (5), hold-in range body (6) are installed to the front end of vice synchronous fluted disc (3), and the outside of hold-in range body (6) is provided with output synchronous tooth (7), bearing (8) set up in the outside of output synchronous tooth (7), automatically regulated wheel (9) are installed to the inner wall top of casing (1), and are provided with lubricated subassembly (10) that are used for the lubrication on one side of the inner wall of casing (1).

2. A synchronous belt drive structure for noise reduction according to claim 1, wherein the planetary gears (4) are arranged along the circumference of the center of the secondary synchronous fluted disc (3), and the center of the secondary synchronous fluted disc (3) coincides with the center of the inner fluted disc (5).

3. A synchronous belt drive structure for reducing noise according to claim 1, wherein the output synchronous teeth (7) are rotatably connected with the housing (1) through bearings (8), and the circle center of the bearings (8) coincides with the circle center of the housing (1).

4. The synchronous belt transmission structure for reducing noise according to claim 1, wherein the lubricating assembly (10) comprises a tank body (1001), an oil filling port (1002), a cover plate (1003), a bolt (1004), a pressurizing pipe (1005) and a one-way valve (1006), the oil filling port (1002) and the pressurizing pipe (1005) are sequentially connected to one side of the tank body (1001) from top to bottom, the cover plate (1003) is installed outside the oil filling port (1002), the bolt (1004) is arranged outside the cover plate (1003), and the one-way valve (1006) is installed outside the pressurizing pipe (1005).

5. A synchronous belt drive structure for noise reduction according to claim 4, characterized in that the tank (1001) and the oil filler (1002) are communicated with each other, and the oil filler (1002) is fixedly connected with the cover plate (1003) through a bolt (1004).

6. The synchronous belt transmission structure for reducing noise according to claim 4, wherein the lubricating assembly (10) further comprises an output head (1007), an electromagnetic valve (1008) and a nozzle (1009), the output head (1007) is connected to the other side of the tank (1001), and the electromagnetic valve (1008) and the nozzle (1009) are sequentially arranged outside the output head (1007) from top to bottom.

7. The synchronous belt transmission structure for reducing the noise according to claim 6, wherein the output head (1007) is communicated with the tank body (1001), and the nozzles (1009) are equidistantly distributed along the vertical direction of the output head (1007).

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