CN210509462U - DC gear motor with noise reduction mechanism - Google Patents
DC gear motor with noise reduction mechanism Download PDFInfo
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- CN210509462U CN210509462U CN201921039093.3U CN201921039093U CN210509462U CN 210509462 U CN210509462 U CN 210509462U CN 201921039093 U CN201921039093 U CN 201921039093U CN 210509462 U CN210509462 U CN 210509462U
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- gear
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- transmission gear
- noise reduction
- shaft
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Abstract
The utility model discloses a DC gear motor with noise reduction mechanism, which comprises a bottom shell and an upper shell which are mutually matched, wherein a driving groove is arranged in the bottom shell, a gear fixing seat and a motor fixing seat are arranged in the driving groove, and a switch is arranged on the side wall of the driving groove; the gear fixing seat is provided with a sleeve gear, a transmission gear set and a motor transmission gear, the motor transmission gear is a reversing gear, a motor is arranged in the motor fixing seat, a shaft gear of the motor is meshed with the motor transmission gear, a gear shaft of the motor transmission gear is sleeved with a shock absorber, the shock absorber is of a cylindrical sleeve structure, and the bottom end of the shock absorber can rotatably abut against the surface of the motor transmission gear; the upper shell is arranged above the bottom shell, and an output shaft hole is formed in the upper shell corresponding to a gear shaft of the sleeve gear; the bottom shell is internally provided with a direct current power supply which is electrically connected with the motor through a switch. The utility model discloses can reduce the range that the motor gear rocked when the operation, noise abatement improves operational environment, improves the quality of work.
Description
Technical Field
The utility model relates to a DC gear motor especially relates to a DC gear motor with noise reduction mechanism.
Background
A DC gear motor is an electrical device that converts electrical energy into mechanical energy, and can reuse the mechanical energy to generate kinetic energy for driving other devices. However, the existing DC gear motor has a high rotation speed, so that the gear inside the DC gear motor is easy to shake by a large margin, and thus the motor generates a large working noise during operation, which pollutes the working environment and affects the operation of the operator, and the DC gear motor does not meet the requirements of the production line. There is a need for an improved DC gear motor that reduces motor noise and protects the working environment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a DC gear motor with noise reduction mechanism, can reduce the range that the motor gear rocked when the operation, noise abatement improves operational environment, improves the quality of work.
The technical solution of the utility model is that:
a DC gear motor with a noise reduction mechanism comprises a bottom shell and an upper shell which are matched with each other, wherein a driving groove is formed in the bottom shell, a gear fixing seat and a motor fixing seat are arranged in the driving groove, and a switch is arranged on the side wall of the driving groove; the motor transmission gear is a reversing gear, the sleeve gear is meshed with the transmission gear set, the transmission gear set is meshed with the motor transmission gear, the sleeve gear, the transmission gear set and the motor transmission gear are all fixedly arranged on the gear fixing seat through a gear shaft, a motor is arranged in the motor fixing seat, a shaft gear of the motor is meshed with the motor transmission gear, a shock absorber is sleeved on the gear shaft of the motor transmission gear, the shock absorber is of a cylindrical sleeve structure, and the bottom end of the shock absorber can rotatably abut against the surface of the motor transmission gear; the upper shell is arranged above the bottom shell, and an output shaft hole is formed in the upper shell corresponding to a gear shaft of the sleeve gear; and a direct current power supply is arranged in the bottom shell and is electrically connected with the motor through the switch.
The DC gear motor with the noise reduction mechanism as described above, wherein the outer side surface of the cylindrical sleeve of the damper is provided with an annular baffle above the shaft gear of the motor.
The DC gear motor with a noise reduction mechanism as described above, wherein the diameter of the ring-shaped baffle is larger than the diameter of the motor drive gear.
The DC gear motor with noise reduction mechanism as described above, wherein the damper is a silicone damper, and the hardness of the silicone damper is 35 degrees.
The DC gear motor with the noise reduction mechanism as described above, wherein the transmission gear set includes a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear, the first transmission gear is engaged with the sleeve gear, the second transmission gear is engaged with the first transmission gear, the third transmission gear is engaged with the second transmission gear, the fourth transmission gear is engaged with the third transmission gear, and the motor transmission gear is engaged with the fourth transmission gear.
The DC gear motor with noise reduction mechanism as described above, wherein the bottom shell is provided with an electrode contact and/or a DC socket electrically connected to the motor.
The DC gear motor with noise reduction mechanism as described above, wherein a fixing cover is disposed above the driving groove, and a fixing cover output shaft hole is disposed on the fixing cover corresponding to each gear shaft.
The DC gear motor with noise reduction mechanism as described above, wherein the rated rotation speed of the motor is not lower than 5000 rpm.
From the above description, the present invention can achieve the following effects in comparison with the prior art:
the utility model discloses a DC gear motor with noise reduction mechanism simple structure, simple to operate can effectively reduce the rocking range of gear when the operation, and the noise abatement makes operating personnel can operate in steady operational environment, reduces operating personnel's fatigue degree, simultaneously the bumper shock absorber also can not appear too compressing tightly the gear and causes the gear clearance undersize to lead to the motor can not the pivoted condition, can guarantee the operating mass of motor, and in addition, cylindrical telescopic structure can make the bumper shock absorber have good contractility, reduces the hard cooperation between its and each part, more can protect the surface of each part not receive wearing and tearing, and then has ensured the quality of product, has promoted user's satisfaction.
Drawings
Fig. 1 is a schematic front view of a DC gear motor with a noise reduction mechanism according to a preferred embodiment of the present invention;
fig. 2 is a schematic perspective view of a DC gear motor with a noise reduction mechanism according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a damper according to a preferred embodiment of the DC gear motor with a noise reduction mechanism of the present invention.
Main element number description:
the utility model discloses:
1: a bottom shell 2: driving groove 3: switch with a switch body
4: the sleeve gear 5: drive gear train 51: first transmission gear
52: second transmission gear 53: third transmission gear 54: fourth drive gear
6: motor drive gear 7: the motor 8: shaft gear
9: the damper 10: annular baffle 11: electrode contact piece
12: DC female socket
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
In a preferred embodiment of the DC gear motor with a noise reduction mechanism, please refer to fig. 1 to 3, which are schematic structural diagrams of the preferred embodiment of the DC gear motor with a noise reduction mechanism of the present invention, including a bottom shell 1 and an upper shell that are matched with each other, a driving groove 2 is disposed in the bottom shell 1, a gear fixing seat and a motor fixing seat are disposed in the driving groove 2, and a switch 3 is disposed on a side wall of the driving groove 2; the gear fixing seat is provided with a sleeve gear 4, a transmission gear set 5 and a motor transmission gear 6, the motor transmission gear 6 is a reversing gear, the sleeve gear 4 is meshed with the transmission gear set 5, the transmission gear set 5 is meshed with the motor transmission gear 6, the sleeve gear 4, the transmission gear set 5 and the motor transmission gear 6 are fixedly arranged on the gear fixing seat through a gear shaft, a motor 7 is arranged in the motor fixing seat, a shaft gear 8 of the motor 7 is meshed with the motor transmission gear 6, a shock absorber 9 is sleeved on the gear shaft of the motor transmission gear 6, the shock absorber 9 is of a cylindrical sleeve structure, and the bottom end of the shock absorber 9 can rotatably abut against the surface of the motor transmission gear 6; the upper shell is arranged above the bottom shell 1, and an output shaft hole is formed in the upper shell corresponding to a gear shaft of the sleeve gear 4; a direct current power supply is arranged in the bottom shell 1 and is electrically connected with the motor 7 through the switch 3. As shown in fig. 1 to 3, the utility model discloses a DC gear motor with noise reduction mechanism is through setting up cylindrical sleeve structure's bumper shock absorber 9 on motor drive gear 6's gear shaft to make the bottom of bumper shock absorber 9 can the pivoted support in motor drive gear 6's surface, make it can be when motor 7 operates, restricted motor drive gear 6 at the ascending removal of gear shaft side, because of motor drive gear's the pine of rocking takes off and produces the noise when avoiding meshing transmission between motor drive gear 6 and the motor shaft gear, realize the noise reduction effect. The utility model discloses a DC gear motor with noise reduction mechanism simple structure, simple to operate can effectively reduce the rocking amplitude of gear when the operation, and the noise abatement makes the motor noise reduction when the operation, simultaneously, keep one between bumper shock absorber 9 and the motor drive gear and can wind gear shaft pivoted contact distance, can not appear too compressing tightly the motor drive gear and cause the motor drive gear can not the pivoted condition, can guarantee the normal work effect of motor. In addition, the cylindrical sleeve structure can make the bumper shock absorber 9 have good shrink nature, reduces the hard cooperation between it and each part, more can protect the surface of each part not receive wearing and tearing, and then has ensured the quality of product, has promoted user's satisfaction.
As described above, in the preferred embodiment of the DC gear motor with noise reduction mechanism of the present invention, the outer side surface of the cylindrical sleeve of the damper 9 is provided with the ring-shaped baffle 10 above the shaft gear 8 of the motor 7. As shown in fig. 3, gear lubricant is easy to splash and run off when the motor 7 is running, so that an operator needs to frequently refuel, working process is seriously delayed, and production resources are wasted; moreover, the lubricating oil that splashes still can be sprayed to outside operational environment, pollutes operational environment, seriously influences operating personnel's operation, ring baffle 10 can cover motor drive gear and motor shaft gear top, blocks splashing of lubricating oil, moreover, when being stained with lubricating oil on ring baffle 10, lubricating oil can also flow back to between the gear to the effectual effective utilization who guarantees lubricating oil makes the utility model discloses a DC gear motor more has market competition.
In the DC gear motor with noise reduction mechanism according to the present invention, in the preferred embodiment, the diameter of the ring-shaped baffle 10 is larger than the diameter of the motor transmission gear 6. In this embodiment, the area of the annular baffle 10 is enlarged to completely cover the upper portion of the motor transmission gear 6, so that the blocking effect of the annular baffle 10 on the splashing of the gear lubricating oil when the motor 7 operates can be enhanced, the situation that the operation of the motor 7 is affected because the lubricating oil still splashes around due to too small blocking area is prevented, and the use comprehensiveness and practicability of the shock absorber 9 can be further improved.
As mentioned above, in the preferred embodiment of the DC gear motor with noise reduction mechanism of the present invention, the damper 9 is a silica gel damper, and the hardness of the silica gel damper is 35 degrees. The elastic deformation of silica gel material is big, and elastic modulus is little, can make bumper shock absorber 9 realize better shock attenuation effect, and in addition, the soft texture of its self can avoid bumper shock absorber 9 and motor drive gear 6 or the medial surface of epitheca to take place the condition that the friction caused the two wearing and tearing, can protect the integrality of each part, more accords with the needs in market. The hardness of the silica gel shock absorber 9 is 35 degrees, and can be adjusted by proportioning design, so that the shock absorber 9 can meet the requirements of rigidity and strength in different directions.
In the above-mentioned DC gear motor with noise reduction mechanism of the present invention, in a preferred embodiment, the transmission gear set 5 includes a first transmission gear 51, a second transmission gear 52, a third transmission gear 53 and a fourth transmission gear 54, the first transmission gear 51 is engaged with the sleeve gear 4, the second transmission gear 52 is engaged with the first transmission gear 51, the third transmission gear 53 is engaged with the second transmission gear 52, the fourth transmission gear 54 is engaged with the third transmission gear 53, and the motor transmission gear 6 is engaged with the fourth transmission gear 54. Fig. 1 shows, through the meshing transmission in proper order of sleeve gear 4, first drive gear 51, second drive gear 52, third drive gear 53, fourth drive gear 54 and motor drive gear 6 in the drive slot 2, can ensure operating personnel to the subdivision control of motor 7 rotational speed, improve the rotation precision of motor 7, make the utility model discloses a DC gear motor with noise reduction mechanism can realize the work effect of transmission moment of torsion and change speed.
In the DC gear motor with noise reduction mechanism according to the present invention, in the preferred embodiment, the bottom case 1 is provided with the electrode contact 11 and/or the DC socket 12 electrically connected to the motor 7. As shown in fig. 1 and 2, the utility model discloses a DC gear motor with noise reduction mechanism can pass through 11 installation batteries of electrode contact as the power, also can be the form of connecting the female seat 12 direct access power of DC and provide moving electric power for motor 7, of course, possess above-mentioned two kinds of charge forms simultaneously and can make DC gear motor's result of use reach the best, both can provide working power supply for the motor at direct use battery or access outside DC power supply, also can connect outside power supply through the female seat of DC and provide electric energy simultaneously, charge for the rechargeable battery who installs between the motor contact, thereby can prevent to have external power supply or battery electric quantity not enough to take out the condition emergence of charging influence work efficiency under certain scene, make DC gear motor's use more convenient, the suitability is stronger, more can satisfy the needs of operation.
As described above the present invention discloses a DC gear motor with noise reduction mechanism, in the preferred embodiment of the present invention, a fixing cover is disposed above the driving groove 2, and the fixing cover corresponds to each gear shaft is disposed with a fixing cover output shaft hole. The fixed cover can be matched with the upper cover to ensure the stability of the operation of each component in the driving groove 2, the structure of each component is prevented from being loosened under the influence of internal operation or external operation, and meanwhile, the vibration noise generated when the motor 7 can be further isolated from vibrating protects the working environment.
In the DC gear motor with noise reduction mechanism according to the present invention, in the preferred embodiment, the rated rotation speed of the motor 7 is not lower than 5000 rpm. Rated revolution of motor 7 is higher, and produced vibration and noise are all great during the rotation, consequently, adopt the utility model discloses a bumper shock absorber 9 can make motor drive gear 6 and shaft gear 8 remain stable when motor 7 operates, reduces the noise of rotation, and then more can guarantee the performance and the operating quality of product.
As described above the utility model discloses a DC gear motor with noise reduction mechanism to the embodiment of a preferred of it is the example, then the utility model discloses a set up cylindrical sleeve structure's bumper shock absorber 9 on motor drive gear 6's gear shaft to make the bottom of bumper shock absorber 9 can the pivoted support in motor drive gear 6's surface, make it can be when motor 7 operates, restricted motor drive gear 6 and moved in the gear shaft direction, because motor drive gear's the pine of rocking takes off and produce the noise when avoiding meshing transmission between motor drive gear 6 and the motor shaft gear, realize the noise reduction effect. The utility model discloses a DC gear motor with noise reduction mechanism simple structure, simple to operate can effectively reduce the rocking amplitude of gear when the operation, and the noise abatement makes the motor noise reduction when the operation, simultaneously, keep one between bumper shock absorber 9 and the motor drive gear and can wind gear shaft pivoted contact distance, can not appear too compressing tightly the motor drive gear and cause the motor drive gear can not the pivoted condition, can guarantee the normal work effect of motor. In addition, the cylindrical sleeve structure can make the bumper shock absorber 9 have good shrink nature, reduces the hard cooperation between it and each part, more can protect the surface of each part not receive wearing and tearing, and then has ensured the quality of product, has promoted user's satisfaction. Further, an annular baffle plate 10 is arranged on the outer side surface of the cylindrical sleeve of the shock absorber 9 above the shaft gear 8 of the motor 7, and the diameter of the annular baffle plate 10 is larger than that of the motor transmission gear 6. Gear lubricating oil is easy to splash and run off when the motor 7 runs, so that operators need to frequently oil, working processes are seriously lagged, and production resources are wasted; moreover, the lubricating oil that splashes still can be sprayed to outside operational environment, pollutes operational environment, seriously influences operating personnel's operation, ring baffle 10 can cover motor drive gear and motor shaft gear top, blocks splashing of lubricating oil, moreover, when being stained with lubricating oil on ring baffle 10, lubricating oil can also flow back to between the gear to the effectual effective utilization who guarantees lubricating oil makes the utility model discloses a DC gear motor more has market competition. The area of the annular baffle 10 is enlarged, so that the annular baffle 10 can completely cover the upper part of the motor transmission gear 6, the blocking effect of the annular baffle 10 on splashing of gear lubricating oil when the motor 7 operates can be enhanced, the situation that the operation of the motor 7 is affected because the lubricating oil still splashes everywhere due to the fact that the blocking area is too small is prevented, and the use comprehensiveness and the practicability of the shock absorber 9 can be further improved. Furthermore, the damper 9 is a silica gel damper, and the hardness of the silica gel damper is 35 degrees. The elastic deformation of silica gel material is big, and elastic modulus is little, can make bumper shock absorber 9 realize better shock attenuation effect, and in addition, the soft texture of its self can avoid bumper shock absorber 9 and motor drive gear 6 or the medial surface of epitheca to take place the condition that the friction caused the two wearing and tearing, can protect the integrality of each part, more accords with the needs in market. The hardness of the silica gel shock absorber 9 is 35 degrees, and can be adjusted by proportioning design, so that the shock absorber 9 can meet the requirements of rigidity and strength in different directions.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (8)
1. A DC gear motor with a noise reduction mechanism is characterized by comprising a bottom shell and an upper shell which are matched with each other, wherein a driving groove is formed in the bottom shell, a gear fixing seat and a motor fixing seat are arranged in the driving groove, and a switch is arranged on the side wall of the driving groove; the motor transmission gear is a reversing gear, the sleeve gear is meshed with the transmission gear set, the transmission gear set is meshed with the motor transmission gear, the sleeve gear, the transmission gear set and the motor transmission gear are all fixedly arranged on the gear fixing seat through a gear shaft, a motor is arranged in the motor fixing seat, a shaft gear of the motor is meshed with the motor transmission gear, a shock absorber is sleeved on the gear shaft of the motor transmission gear, the shock absorber is of a cylindrical sleeve structure, and the bottom end of the shock absorber can rotatably abut against the surface of the motor transmission gear; the upper shell is arranged above the bottom shell, and an output shaft hole is formed in the upper shell corresponding to a gear shaft of the sleeve gear; and a direct current power supply is arranged in the bottom shell and is electrically connected with the motor through the switch.
2. The DC gear motor with a noise reduction mechanism according to claim 1, wherein an outer side surface of the cylindrical sleeve of the damper is provided with an annular baffle above a shaft gear of the motor.
3. The DC gear motor with a noise reducing mechanism according to claim 2, wherein a diameter of the ring shaped baffle is larger than a diameter of the motor driving gear.
4. The DC gear motor with a noise reducing mechanism according to claim 3, wherein the damper is a silicone damper having a hardness of 35 degrees.
5. A DC gear motor with a noise reducing mechanism according to claim 4, wherein the transmission gear set comprises a first transmission gear, a second transmission gear, a third transmission gear and a fourth transmission gear, the first transmission gear is engaged with the sleeve gear, the second transmission gear is engaged with the first transmission gear, the third transmission gear is engaged with the second transmission gear, the fourth transmission gear is engaged with the third transmission gear, and the motor transmission gear is engaged with the fourth transmission gear.
6. The DC gear motor with noise reduction mechanism of claim 5, wherein the bottom case is provided with an electrode contact and/or a DC female socket electrically connected to the motor.
7. The DC gear motor with noise reduction mechanism according to claim 6, wherein a fixing cover is provided above said driving groove, and a fixing cover output shaft hole is provided in said fixing cover corresponding to each of said gear shafts.
8. A DC gear motor with a noise reducing mechanism according to claim 7, wherein the rated rotation speed of the motor is not lower than 5000 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039093.3U CN210509462U (en) | 2019-07-05 | 2019-07-05 | DC gear motor with noise reduction mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921039093.3U CN210509462U (en) | 2019-07-05 | 2019-07-05 | DC gear motor with noise reduction mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509462U true CN210509462U (en) | 2020-05-12 |
Family
ID=70581332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921039093.3U Active CN210509462U (en) | 2019-07-05 | 2019-07-05 | DC gear motor with noise reduction mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509462U (en) |
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2019
- 2019-07-05 CN CN201921039093.3U patent/CN210509462U/en active Active
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