CN217216174U - Low-noise direct current motor - Google Patents
Low-noise direct current motor Download PDFInfo
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- CN217216174U CN217216174U CN202220122029.7U CN202220122029U CN217216174U CN 217216174 U CN217216174 U CN 217216174U CN 202220122029 U CN202220122029 U CN 202220122029U CN 217216174 U CN217216174 U CN 217216174U
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- end cover
- shell
- rear end
- low noise
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Abstract
The utility model discloses a low noise direct current motor, include: casing, front end housing and rear end cap, the both ends of casing are located respectively to front end housing and rear end cap, are equipped with the holder in the casing, and the holder includes fixed block and splice bar, and the splice bar is located between two adjacent fixed blocks, and on the inner wall of casing was located to the fixed block, wear to be equipped with on the fixed block and fall the post of making an uproar, the front end housing cooperation rear end cap blockked to fall the post of making an uproar and break away from the fixed block. The utility model relates to a novelty, the structure is firm, moves the low noise, and the post installation of making an uproar falls is stable, uses reliably.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to a low noise direct current motor.
Background
The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy or convert mechanical energy into dc electrical energy, and can convert dc electrical energy and mechanical energy into each other.
The existing direct current motor has the following defects in the using process: due to friction between the bearing and the rotating shaft, vibration of the shell and the like, great noise can be generated, sound pollution is formed, and the surrounding environment is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solves the above-mentioned technical problem that exists among the prior art, provides a low noise direct current motor, and the modern design, the structure is firm, moves the low noise, and the post installation of making an uproar falls, uses reliably.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a low noise dc motor comprising: casing, front end housing and rear end cap, the both ends of casing, its characterized in that are located respectively to front end housing and rear end cap: the casing is internally provided with a retainer, the retainer comprises fixing blocks and connecting ribs, the connecting ribs are arranged between every two adjacent fixing blocks, the fixing blocks are arranged on the inner wall of the casing, noise reduction columns are arranged on the fixing blocks in a penetrating mode, and the front end cover is matched with the rear end cover to block the noise reduction columns to be separated from the fixing blocks. This motor modern design, the structure is firm, and the operation low noise falls the post installation of making an uproar stably, uses reliably.
Furthermore, the shell, the front end cover and the rear end cover are connected through the mounting screw rod, the two ends of the mounting screw rod are connected with the fastening nuts, the fastening nuts block the front end cover, the rear end cover and the shell from being separated, the shell can be detached from the front end cover and the rear end cover, the motor element inside the shell is convenient to overhaul, the noise reduction column is convenient to mount and replace, and convenience is improved.
Furthermore, be equipped with first ear seat on the front end housing, be equipped with the second ear seat on the rear end cap, be equipped with fixed ear seat on the casing, the installation screw rod passes first ear seat, fixed ear seat, second ear seat, location assembly, the simple operation, can't take place radially to rotate between front end housing, casing, the rear end cap three, connect reliably, the structure is firm.
Furthermore, the front end cover is provided with a first positioning ring corresponding to the inner hole of the shell, so that the front end cover is quickly installed and positioned on the shell, the butt joint difficulty is reduced, the contact area of the front end cover and the shell is increased, and the connection is more reliable; first retaining ring cooperation rear end cap blocks to fall and makes an uproar the post and break away from the fixed block, has improved the practicality of first retaining ring.
Furthermore, a second positioning ring corresponding to the inner hole of the shell is arranged on the rear end cover, so that the rear end cover is quickly installed and positioned on the shell, the butt joint difficulty is reduced, the contact area of the rear end cover and the shell is increased, and the connection is more reliable; the second holding ring cooperates with the first holding ring to block the noise reduction column from separating from the fixed block, so that the practicability of the second holding ring is improved.
Further, the support is symmetrically distributed on the shell, the support is provided with the installation through holes, the through-nail fixing is convenient, the installation is convenient, the placement is stable, and the reliability is high.
Furthermore, the shell is provided with the radiating aluminum fins, so that the radiating efficiency of the shell is improved, heat is radiated outwards, and the influence on use caused by accumulation of internal heat is avoided.
Furthermore, the shell is provided with a ventilation groove, heat generated during the working of the motor is dissipated outwards through the ventilation groove distributed in the circumferential direction, the heat dissipation area is large, and the heat dissipation efficiency is high.
Furthermore, the front end cover is provided with a heat dissipation through hole, so that ventilation inside and outside the shell is facilitated, axial ventilation and heat dissipation are realized, and the heat dissipation efficiency is improved.
Furthermore, the rear end cover is provided with a vent hole, so that ventilation inside and outside the shell is facilitated, axial ventilation and heat dissipation are realized, the front and the rear are communicated, and the heat dissipation efficiency is higher.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
the retainer has a stable and reliable structure, the connecting ribs connect the fixing blocks into a whole, the overall stability is improved, and the connecting ribs are fixedly connected with the inner wall of the shell, so that the mounting firmness of the retainer is improved; the number of the retainers is increased, so that the internal structural strength of the shell can be enhanced, and the shell is pressure-resistant, impact-resistant and not easy to deform; the fixed block supports, is spacing to falling the post of making an uproar, and each falls the post mutual independence of making an uproar, does not influence each other, uses reliably.
The second positioning ring on the rear end cover is matched with the first positioning ring on the front end cover to block the noise reduction column from separating from the fixed block, so that the mounting stability of the noise reduction column is improved, and the practicability of the first positioning ring and the second positioning ring is improved; the shell can be detached from the front end cover and the rear end cover, so that the motor element inside the shell can be conveniently overhauled, the noise reduction column can be conveniently installed and replaced, and convenience is improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of a low-noise dc motor according to the present invention;
FIG. 2 is a schematic structural view of the connection between the housing and the retainer of the present invention;
fig. 3 is a schematic structural view of the middle front end cap of the present invention;
fig. 4 is a schematic structural view of the middle rear end cover of the present invention.
In the figure: 1-a shell; 2-front end cover; 3-rear end cap; 4-support; 5, installing a through hole; 6-radiating aluminum fins; 7-a ventilation slot; 8-heat dissipation through holes; 9-a vent hole; 10-a cage; 11-fixing block; 12-connecting ribs; 13-a noise reducing post; 14-mounting a screw rod; 15-fastening a nut; 16-a first ear mount; 17-a second ear mount; 18-a first positioning ring; 19-a second positioning ring; 20-fixing the ear seat.
Detailed Description
As shown in fig. 1 to fig. 4, for the present invention, a low noise dc motor includes: casing 1, front end housing 2 and rear end housing 3, the both ends of casing 1 are located respectively to front end housing 2 and rear end housing 3, and the last symmetric distribution of casing 1 has support 4, is equipped with installation through-hole 5 on the support 4, and the drift of being convenient for is fixed, and the installation is convenient, places steadily, and the reliability is high. Be equipped with heat dissipation aluminium fin 6 on casing 1, improved casing 1's radiating efficiency for the heat outwards gives off, avoids inside heat to pile up and influence the use. The ventilation slots 7 are circumferentially distributed on the shell 1, heat generated during the working of the motor is emitted outwards through the ventilation slots 7 circumferentially distributed, the heat dissipation area is large, and the heat dissipation efficiency is high. The front end cover 2 is provided with a heat dissipation through hole 8, so that air circulation inside and outside the shell 1 is facilitated, axial ventilation and heat dissipation are realized, and the heat dissipation efficiency is improved. The rear end cover 3 is provided with the vent holes 9, so that air circulation inside and outside the shell 1 is facilitated, axial ventilation and heat dissipation are realized, the front and the rear are communicated, and the heat dissipation efficiency is higher.
Be equipped with holder 10 in the casing 1, holder 10 includes fixed block 11 and splice bar 12, and on the inner wall of casing 1 was located to fixed block 11, splice bar 12 located between two adjacent fixed blocks 11, the structure was firm reliable, connects each fixed block 11 adult, has improved holistic stability, and the installation fastness of holder 10 has been improved to splice bar 12 fixed connection casing 1's inner wall. By increasing the number of the holders 10, the internal structural strength of the housing 1 can be enhanced, and the housing is resistant to pressure and impact and is not easily deformed. The noise reduction columns 13 penetrate through the fixed block 11, the noise reduction columns 13 can be made of sound absorption cotton or damping rubber, the damping rubber is made of one of polyacrylate, polyurethane, epoxy resin, butyl rubber or nitrile rubber, the cost is low, the noise reduction columns 13 distributed in the circumferential direction absorb and block noise sound waves generated when the motor operates, the noise reduction range is wide, and the noise reduction effect is good; each noise reduction column 13 is independent from each other, does not influence each other, and is reliable in use.
The shell 1, the front end cover 2 and the rear end cover 3 are connected through an installation screw 14, the front end cover 2 is provided with a first ear seat 16, the rear end cover 3 is provided with a second ear seat 17, the shell 1 is provided with a fixed ear seat 20, the installation screw 14 penetrates through the first ear seat 16, the fixed ear seat 20 and the second ear seat 17, two ends of the installation screw 14 are connected with fastening nuts 15, the two fastening nuts 15 are respectively attached to the first ear seat 16 and the second ear seat 17, the front end cover 2 and the rear end cover 3 are clamped in a wrapping mode, the front end cover 2 and the rear end cover 3 are prevented from being separated from the shell 1, positioning and assembly are convenient and fast to operate, the front end cover 2, the shell 1 and the rear end cover 3 cannot rotate radially, connection is reliable, and the structure is stable; realize that casing 1 can be dismantled with front end housing 2, rear end housing 3, be convenient for overhaul the inside electrical components of casing 1, also be convenient for install, change and fall post 13 of making an uproar, improved the convenience.
The front end cover 2 is provided with the first positioning ring 18 corresponding to the inner hole of the shell 1, so that the front end cover 2 can be quickly installed and positioned on the shell 1, the butt joint difficulty is reduced, the contact area of the front end cover and the shell is increased, and the connection is more reliable. The rear end cover 3 is provided with a second positioning ring 19 corresponding to the inner hole of the shell 1, so that the rear end cover 3 can be quickly installed and positioned on the shell 1, the butt joint difficulty is reduced, the contact area of the rear end cover and the shell is increased, and the connection is more reliable. The second positioning ring 19 and the first positioning ring 18 are respectively attached to two ends of the noise reduction column 13, and the noise reduction column 13 is blocked to be separated from the fixed block 11, so that the installation stability of the noise reduction column 13 is improved, and the practicability of the first positioning ring 18 and the second positioning ring 19 is improved.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (10)
1. A low noise dc motor comprising:
the shell, the front end cover and the rear end cover are respectively arranged at two ends of the shell,
the method is characterized in that:
the novel anti-noise casing is characterized in that a retainer is arranged in the casing and comprises fixing blocks and connecting ribs, the connecting ribs are arranged between every two adjacent fixing blocks, the fixing blocks are arranged on the inner wall of the casing, noise-reducing columns are arranged on the fixing blocks in a penetrating mode, and the front end cover is matched with the rear end cover to block the noise-reducing columns to be separated from the fixing blocks.
2. A low noise dc motor according to claim 1, wherein: the shell, the front end cover with connect through the installation screw rod between the rear end cap, the both ends of installation screw rod all are connected with fastening nut, fastening nut blocks the front end cover rear end cover with the shell separation.
3. A low noise dc motor according to claim 2, wherein: the front end cover is provided with a first ear seat, the rear end cover is provided with a second ear seat, the shell is provided with a fixed ear seat, and the mounting screw penetrates through the first ear seat, the fixed ear seat and the second ear seat.
4. A low noise dc motor according to claim 1, wherein: the front end cover is provided with a first positioning ring corresponding to the inner hole of the shell, and the first positioning ring is matched with the rear end cover to block the noise reduction column from being separated from the fixed block.
5. A low noise DC motor according to claim 4, characterized in that: and a second positioning ring corresponding to the inner hole of the shell is arranged on the rear end cover, and the second positioning ring is matched with the first positioning ring to block the noise reduction column from being separated from the fixed block.
6. A low noise dc motor according to claim 1, wherein: the shell is symmetrically provided with supports, and the supports are provided with mounting through holes.
7. A low noise dc motor according to claim 1, wherein: and the shell is provided with radiating aluminum fins.
8. A low noise dc motor according to claim 1, wherein: the shell is provided with a ventilation groove.
9. A low noise dc motor according to claim 1, wherein: and the front end cover is provided with a heat dissipation through hole.
10. A low noise dc motor according to claim 1, wherein: and the rear end cover is provided with a vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220122029.7U CN217216174U (en) | 2022-01-18 | 2022-01-18 | Low-noise direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220122029.7U CN217216174U (en) | 2022-01-18 | 2022-01-18 | Low-noise direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217216174U true CN217216174U (en) | 2022-08-16 |
Family
ID=82792136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220122029.7U Active CN217216174U (en) | 2022-01-18 | 2022-01-18 | Low-noise direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217216174U (en) |
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2022
- 2022-01-18 CN CN202220122029.7U patent/CN217216174U/en active Active
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