CN209844695U - Motor with low noise and good heat dissipation performance - Google Patents
Motor with low noise and good heat dissipation performance Download PDFInfo
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- CN209844695U CN209844695U CN201920916057.4U CN201920916057U CN209844695U CN 209844695 U CN209844695 U CN 209844695U CN 201920916057 U CN201920916057 U CN 201920916057U CN 209844695 U CN209844695 U CN 209844695U
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Abstract
The utility model discloses a motor that low noise and heat dispersion are good, set up and the fixed shell, the drive pivot pivoted rotor of placing the stator of inner wall and cover respectively and locate including cavity the top cap and the bottom at shell both ends, a plurality of recesses have been seted up to the shell inner wall, the shell is inside to have the hollow layer in first hollow layer and the second, form the space between the hollow layer in first hollow layer and the second, the inside packing in space has sound absorbing material, both sides all are provided with annular heat conduction piece about the shell is inside. The utility model discloses a be provided with the hollow layer in first hollow layer and the second, and put in the clearance between the hollow layer in first hollow layer and the second and inhale cotton or polyester fiber's sound absorbing material, the shell surface has a plurality of recesses simultaneously for the shell inner wall forms unsmooth structure of meeting, and the noise makes a round trip to reflect at the unsmooth shell surface that meets the structure setting, can the propagation energy of noise reduction.
Description
Technical Field
The utility model relates to the technical field of electric machines, in particular to motor that low noise and heat dispersion are good.
Background
The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. Its main effect is to produce driving torque, as the power supply with electrical apparatus or various machinery, and in the correlation technique, when the motor work, under the interact of the magnetic field between stator and the rotor, the rotor drives the main shaft and begins to rotate and to doing work outward, can send high frequency electromagnetic noise in this in-process motor inside, and high frequency noise can influence people's sense of hearing, even harmful to human health.
Therefore, it is necessary to provide a motor with low noise and good heat dissipation performance to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor that low noise and heat dispersion are good to solve the problem of the electromagnetic noise who proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a motor with low noise and good heat dissipation performance comprises a shell which is arranged in a hollow mode, a stator is fixedly arranged on the inner wall of the shell, a rotor driving a rotating shaft to rotate, and a top cover and a bottom cover which are respectively arranged at two ends of the shell in a covering mode, a plurality of grooves are formed in the inner wall of the shell, a first hollow layer and a second hollow layer are arranged in the shell, a gap is formed between the first hollow layer and the second hollow layer, sound absorbing materials are filled in the gap, annular heat conducting blocks are arranged on the upper side and the lower side of the inner part of the shell, a connecting ring block is arranged on one side of each annular heat conducting block, a plurality of fins for heat dissipation are fixedly welded on the upper side and the lower side of the connecting ring block in the vertical direction, a plurality of through holes are formed in the surface of the shell, a, the shell is fixedly connected with the bottom cover through the stud via the through hole and the threaded hole.
Preferably, the top cap middle part has seted up the shaft hole, pivot one end is passed the shaft hole and its surface adaptation cover is equipped with the gear sleeve.
Preferably, the sound absorption material is sound absorption cotton or polyester fiber.
Preferably, the middle part of the bottom cover is provided with a rotating shaft placing groove.
Preferably, the two sides of the top cover are provided with protruding blocks, and the surfaces of the protruding blocks are provided with connecting holes for mounting and fixing.
Preferably, the top cover is fixedly connected with the shell through a stud.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be provided with first hollow layer and second hollow layer, and place in the clearance between first hollow layer and the second hollow layer and inhale the sound absorbing material of sound cotton or polyester fiber, the shell surface has a plurality of recesses simultaneously, make the shell inner wall form the structure of unsmooth meeting, the noise is reflected back and forth on the shell surface that unsmooth meeting structure set up, the propagation energy of noise can be reduced, noise after the decay is after the separation of first hollow layer, again through the absorption of sound absorbing material in the clearance, the noise that does not absorb is again through the separation of second hollow layer, can reduce its transmission to external environment, can effectively prevent the high frequency noise that motor work produced from transmitting to external environment, thereby be favorable to noise pollution abatement;
2. the utility model discloses a be equipped with annular heat conduction piece and fin, the heat that motor work produced transmits annular heat conduction piece through the shell on, the heat again through annular heat conduction piece with link up the ring block and transmit for the fin, a plurality of fin has increased the area of contact with the air, can improve the radiating effect, and then can improve the life of motor.
Drawings
Fig. 1 is a schematic view of the overall front view section of the present invention.
Fig. 2 is a schematic view of the structure of the rotor and top cover connecting body of the present invention.
Fig. 3 is a schematic view of the bottom structure of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.
In the figure: the heat-conducting type gear box comprises a shell 1, a rotating shaft 2, a top cover 3, a bottom cover 4, a groove 5, a first hollow layer 6, a second hollow layer 7, a gap 8, an annular heat-conducting block 9, a connecting ring block 10, fins 11, through holes 12, a connecting part 13, threaded holes 14, a shaft hole 15, a gear sleeve 16, a placing groove 17, a protruding block 18 and a connecting hole 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a motor with low noise and good heat dissipation performance as shown in figures 1-4, which comprises a shell 1 which is arranged in a hollow way and the inner wall of which is fixedly provided with a stator, a rotor which drives a rotating shaft 2 to rotate, and a top cover 3 and a bottom cover 4 which are respectively covered at the two ends of the shell, wherein the inner wall of the shell 1 is provided with a plurality of grooves 5, the shell 1 is internally provided with a first hollow layer 6 and a second hollow layer 7, a gap 8 is formed between the first hollow layer 6 and the second hollow layer 7, the gap 8 is filled with sound absorbing materials, the upper side and the lower side in the shell 1 are both provided with annular heat conducting blocks 9, one side of each annular heat conducting block 9 is provided with a connecting ring block 10, the upper side and the lower side of the connecting ring block 10 are fixedly welded with a plurality of fins 11 for heat dissipation in the vertical direction, the surface of the shell, the surface of the connecting part 13 is provided with a plurality of threaded holes 14, the bottom of the shell 1 is matched with the connecting part 13 on the surface of the bottom cover 4, and the shell 1 and the bottom cover 4 are fixedly connected through studs and the threaded holes 12 and 14 and are fixedly connected through the studs, so that the assembly and the maintenance are convenient.
Further, in the above technical scheme, the middle part of the top cover 3 is provided with a shaft hole 15, one end of the rotating shaft 2 penetrates through the shaft hole 15, and the surface of the rotating shaft is sleeved with a gear sleeve 16 in a matching manner;
further, in the above technical solution, the sound-absorbing material is sound-absorbing cotton or polyester fiber;
further, in the above technical solution, a placing groove 17 for the rotating shaft 2 is formed in the middle of the bottom cover 4;
furthermore, in the above technical solution, the top cover 3 has protruding blocks 18 at both sides thereof, and the surface of the protruding block 18 is provided with a connecting hole 19 for installation and fixation, so as to be conveniently fixed with the existing enclosure;
further, in the above technical solution, the top cover 3 is fixedly connected with the housing 1 through a stud.
This practical theory of operation:
referring to the attached drawings 1-4 of the specification, in the working process of the motor, the magnetic field interaction between the stator and the rotor can generate high-frequency electromagnetic noise, the surface of the shell 1 is provided with a plurality of grooves 5, so that the inner wall of the shell 1 can form a concave-convex connected structure, the noise is reflected back and forth on the surface of the shell 1 arranged in the concave-convex connected structure, the transmission energy of the noise can be reduced, the attenuated noise is blocked by the first hollow layer 6 and then absorbed by the sound-absorbing material in the gap, and the unabsorbed noise is blocked by the second hollow layer 7 again, so that the transmission to the external environment can be reduced, the high-frequency noise generated by the motor can be effectively prevented from being transmitted to the external environment, and the noise pollution can be reduced;
referring to the attached drawing 1 of the specification, by arranging the annular heat conducting block 9 and the fins 11, heat generated by the work of the motor is transmitted to the annular heat conducting block 9 through the shell 1, the heat is transmitted to the fins 11 through the annular heat conducting block 9 and the linking ring block 10, the contact area of the fins 11 with air is increased, the heat dissipation effect can be improved, and the service life of the motor can be prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a motor that low noise and heat dispersion are good, includes that cavity setting and inner wall are fixed places shell (1), drive pivot (2) pivoted rotor of stator and cover respectively and locate top cap (3) and bottom (4) at shell both ends, its characterized in that: the heat-radiating shell is characterized in that a plurality of grooves (5) are formed in the inner wall of the shell (1), a first hollow layer (6) and a second hollow layer (7) are arranged in the shell (1), a gap (8) is formed between the first hollow layer (6) and the second hollow layer (7), sound-absorbing materials are filled in the gap (8), annular heat-conducting blocks (9) are arranged on the upper side and the lower side of the interior of the shell (1), a linking ring block (10) is arranged on one side of each annular heat-conducting block (9), a plurality of fins (11) for heat radiation are fixedly welded on the upper side and the lower side of the linking ring block (10) in the vertical direction, a plurality of through holes (12) are formed in the surface of the shell (1), a connecting portion (13) is arranged on the surface of the bottom cover (4), a plurality of threaded holes (14) are formed in the surface of the connecting portion (13, the shell (1) is fixedly connected with the bottom cover (4) through a stud via a through hole (12) and a threaded hole (14).
2. The low-noise motor with good heat dissipation performance according to claim 1, characterized in that: shaft hole (15) have been seted up in top cap (3) middle part, pivot (2) one end is passed shaft hole (15) and its surface adaptation cover is equipped with gear sleeve (16).
3. The low-noise motor with good heat dissipation performance according to claim 1, characterized in that: the sound-absorbing material is sound-absorbing cotton or polyester fiber.
4. The low-noise motor with good heat dissipation performance according to claim 1, characterized in that: the middle part of the bottom cover (4) is provided with a rotating shaft (2) placing groove (17).
5. The low-noise motor with good heat dissipation performance according to claim 1, characterized in that: the two sides of the top cover (3) are provided with protruding blocks (18), and the surfaces of the protruding blocks (18) are provided with connecting holes (19) for mounting and fixing.
6. The low-noise motor with good heat dissipation performance according to claim 1, characterized in that: the top cover (3) is fixedly connected with the shell (1) through a stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916057.4U CN209844695U (en) | 2019-06-18 | 2019-06-18 | Motor with low noise and good heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916057.4U CN209844695U (en) | 2019-06-18 | 2019-06-18 | Motor with low noise and good heat dissipation performance |
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| Publication Number | Publication Date |
|---|---|
| CN209844695U true CN209844695U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920916057.4U Active CN209844695U (en) | 2019-06-18 | 2019-06-18 | Motor with low noise and good heat dissipation performance |
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| Country | Link |
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| CN (1) | CN209844695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116722699A (en) * | 2023-08-10 | 2023-09-08 | 大澳电器（江苏）有限公司 | Motor internal and external pressure balance system |
-
2019
- 2019-06-18 CN CN201920916057.4U patent/CN209844695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116722699A (en) * | 2023-08-10 | 2023-09-08 | 大澳电器（江苏）有限公司 | Motor internal and external pressure balance system |
| CN116722699B (en) * | 2023-08-10 | 2023-11-07 | 大澳电器（江苏）有限公司 | Motor internal and external pressure balance system |
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