CN220510866U - Dustproof effectual DC brushless motor - Google Patents
Dustproof effectual DC brushless motor Download PDFInfo
- Publication number
- CN220510866U CN220510866U CN202321733096.3U CN202321733096U CN220510866U CN 220510866 U CN220510866 U CN 220510866U CN 202321733096 U CN202321733096 U CN 202321733096U CN 220510866 U CN220510866 U CN 220510866U
- Authority
- CN
- China
- Prior art keywords
- brushless
- wall
- motor
- rear shell
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 description 22
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a direct current brushless motor with good dustproof effect, which comprises a brushless unit, wherein one end of the brushless unit is provided with a rear shell, a first mounting ring is fixedly arranged on the outer wall of the rear shell and positioned at one end of the rear shell, a second mounting ring is correspondingly arranged on the outer wall of the brushless unit, a positioning column is fixedly arranged on the outer wall of the first mounting ring, a positioning hole is correspondingly formed in the outer wall of the second mounting ring, the positioning columns are all positioned in the positioning hole, fastening nuts are respectively arranged on the positioning columns and positioned on one side surface of the second mounting ring, the fastening nuts are respectively in threaded installation with the positioning columns, a sealing ring is fixedly arranged at one end of the rear shell, a sealing groove is correspondingly formed in the outer wall of the brushless unit, the sealing ring is positioned in the sealing groove, a dustproof sealing gasket is arranged between the rear shell and the brushless unit, and the sealing property of a joint between the brushless unit and the rear shell can be increased by arranging the sealing rings, the sealing grooves and the dustproof sealing gasket.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a direct current brushless motor with good dustproof effect.
Background
The DC brushless motor is a novel electromechanical integrated micro motor combining motor technology and electronic technology, and is the most promising motor. Brushless dc motors are used in a wide variety of applications, such as automotive, tool, industrial control, automation, and aerospace, among others. The direct current brushless motor has the advantages of high efficiency and small volume, but the joint of the end cover and the motor body of the traditional direct current brushless motor is not sealed, dust is easy to enter from a gap, and the service life of the motor is influenced; and one end of the motor is usually provided with a heat dissipation hole so as to facilitate the heat dissipation of the DC brushless motor, but the structure easily causes external dust to enter the motor from the heat dissipation hole, so that the use effect of the motor is poor.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a direct current brushless motor with good dustproof effect, so as to solve the technical problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dustproof effectual direct current brushless motor, includes brushless unit, the one end of brushless unit is equipped with back casing, just be located the fixed first installation circle that is equipped with of one end on the outer wall of back casing, correspond on the outer wall of brushless unit and be equipped with the second installation circle, fixed the being equipped with the reference column on the outer wall of first installation circle, the reference column is provided with a plurality of and becomes the circumference and arrange, the locating hole has been seted up to the correspondence on the outer wall of second installation circle, the reference column all is located the inside of locating hole, the fastening nut that all is equipped with on the reference column and is located a side of second installation circle, the fastening nut all with reference column screw thread installation, the fixed sealing washer that is equipped with of one end of back casing, the seal groove has been seted up to the correspondence on the outer wall of brushless unit, the sealing washer is located the inside of seal groove, be equipped with dustproof sealing washer between back casing and the brushless unit, the inside of back casing is equipped with the installing frame, the inside and the both ends that are located the both ends respectively fixedly and are equipped with first dust screen and second dust screen.
Preferably, the fixed slider that is equipped with on the outer wall of installing frame, the spout has been seted up correspondingly on the inner wall of back casing, slider and spout slidable mounting, fixed barrel that is equipped with on the outer wall of back casing, barrel and spout intercommunication, the inside slip of barrel is equipped with the connecting pin, the jack has been seted up on the outer wall of slider, the one end of connecting pin is located the inside of jack, is convenient for dismantle and install the installing frame.
In a further preferred embodiment, the other end of the cylinder is fixedly provided with a compression spring, the other end of the connecting pin penetrates through the cylinder and is fixedly provided with a circular block, one end of the compression spring is fixedly connected with the inner wall of the circular block, and one end of the connecting pin is conveniently led into the jack.
In a further preferred embodiment, the other end of the rear housing is fixedly provided with a threaded sleeve, a threaded ring is arranged in the threaded sleeve, the threaded ring is in threaded installation with the threaded sleeve, a rear end cover is fixedly arranged on one side surface of the threaded ring, and a heat dissipation hole is formed in the outer wall of the rear end cover, so that the rear end cover is convenient to install.
In a further preferred embodiment, the diameters of the threaded sleeve and the rear end cover are equal, and the connecting part of the threaded sleeve and the rear end cover is provided with a clamp at the upper end and the lower end, so that the connecting part of the rear end cover and the threaded sleeve is conveniently shielded.
In a further preferred aspect, the two ends of the clamp are fixedly provided with fixing blocks, the fixing blocks are provided with threaded holes, and fixing screws are arranged in the threaded holes so as to facilitate the disassembly of the clamp.
In a further preferred embodiment, one end of the fixing screw is fixedly provided with a square block, so that the fixing screw is convenient to detach and install.
Compared with the prior art, the utility model provides the direct current brushless motor with good dustproof effect, which has the following beneficial effects:
according to the utility model, the first mounting ring, the second mounting ring, the positioning column, the positioning hole, the fastening nut, the sealing ring, the sealing groove and the dustproof sealing gasket are arranged, so that a user can insert the positioning column on the rear shell into the positioning hole on the brushless unit and fix the positioning column on the rear shell through the fastening nut, at the moment, the sealing ring on the rear shell enters the sealing groove on the brushless unit, so that the joint of the positioning column and the sealing groove is kept sealed, and the dustproof sealing gasket is arranged, so that the sealing effect is better, and dust is prevented from entering;
according to the utility model, the mounting frame, the first dust screen, the second dust screen, the sliding block, the sliding groove, the cylinder body, the connecting pin, the jack, the compression spring and the round block are arranged in the rear shell, so that dust entering the rear shell can be blocked by the first dust screen and the second dust screen, the dust can be prevented from entering the brushless unit, the service life of the brushless unit is influenced, and a user can pull the round block outwards to separate the connecting pin from the jack, so that the mounting frame is conveniently taken out, and the first dust screen and the second dust screen are conveniently cleaned;
according to the utility model, the screw sleeve, the screw ring, the rear end cover, the clamp, the fixing block and the fixing screw are arranged, so that a user can install the clamp at the joint of the rear end cover and the screw sleeve through the fixing screw, a better dustproof effect is achieved, and the fixing screw can be conveniently detached and installed by the user through the square block.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a brushless DC motor with good dustproof effect in the utility model;
FIG. 2 is a partial schematic view of the area A of FIG. 1 according to the present utility model;
FIG. 3 is an exploded view of the installation of the brushless unit, rear housing, fastening nut and dust gasket of the present utility model;
FIG. 4 is an exploded view of the installation of the mounting frame, the first dust screen and the second dust screen of the present utility model;
fig. 5 is a schematic view of the location of the fixing blocks and threaded holes on the clamp according to the present utility model.
In the figure: 1. a brushless unit; 2. a rear housing; 3. a first mounting ring; 4. a second mounting ring; 5. positioning columns; 6. positioning holes; 7. a fastening nut; 8. a seal ring; 9. sealing grooves; 10. a dust-proof gasket; 11. a mounting frame; 12. a first dust screen; 13. a second dust screen; 14. a slide block; 15. a chute; 16. a cylinder; 17. a connecting pin; 18. a jack; 19. a compression spring; 20. a circular block; 21. a thread sleeve; 22. a thread ring; 23. a rear end cover; 24. a heat radiation hole; 25. a clamp; 26. a fixed block; 27. a threaded hole; 28. a fixing screw; 29. square blocks.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-5, a brushless direct current motor with good dustproof effect comprises a brushless unit 1, one end of the brushless unit 1 is provided with a rear shell 2, a first mounting ring 3 is fixedly arranged on the outer wall of the rear shell 2 and positioned at one end, a second mounting ring 4 is correspondingly arranged on the outer wall of the brushless unit 1, a positioning column 5 is fixedly arranged on the outer wall of the first mounting ring 3, a plurality of positioning holes 6 are correspondingly arranged on the outer wall of the second mounting ring 4, the positioning columns 5 are all positioned in the positioning holes 6, fastening nuts 7 are respectively arranged on one side surface of the positioning columns 5 and positioned on the second mounting ring 4, the fastening nuts 7 are respectively and spirally installed with the positioning columns 5, a sealing ring 8 is fixedly arranged at one end of the rear shell 2, a sealing groove 9 is correspondingly arranged on the outer wall of the brushless unit 1, a dustproof sealing gasket 10 is arranged between the rear shell 2 and the brushless unit 1, a mounting frame 11 is arranged in the outer wall of the rear shell 2, and a first dustproof net 12 and a second dustproof net 13 are respectively and fixedly arranged at two ends of the mounting frame 11.
In this embodiment, a sliding block 14 is fixedly arranged on the outer wall of the installation frame 11, a sliding groove 15 is correspondingly formed in the inner wall of the rear housing 2, the sliding block 14 and the sliding groove 15 are slidably installed, a cylinder 16 is fixedly arranged on the outer wall of the rear housing 2, the cylinder 16 is communicated with the sliding groove 15, a connecting pin 17 is slidably arranged in the cylinder 16, an insertion hole 18 is formed in the outer wall of the sliding block 14, one end of the connecting pin 17 is located in the insertion hole 18, and a user can fix the installation frame 11 through the connecting pin 17.
In this embodiment, the other end of the cylinder 16 is fixedly provided with a compression spring 19, the other end of the connecting pin 17 passes through the cylinder 16 and is fixedly provided with a circular block 20, one end of the compression spring 19 is fixedly connected with the inner wall of the circular block 20, and one end of the connecting pin 17 can be pushed into the jack 18 by utilizing the self action of the compression spring 19.
In this embodiment, the other end of the rear housing 2 is fixedly provided with a thread bush 21, a thread ring 22 is arranged in the thread bush 21, the thread ring 22 is in threaded installation with the thread bush 21, a rear end cover 23 is fixedly arranged on one side surface of the thread ring 22, a heat dissipation hole 24 is formed in the outer wall of the rear end cover 23, and a user can detach and install the rear end cover 23 through the cooperation of the thread ring 22 and the thread bush 21.
In this embodiment, the diameters of the thread bush 21 and the rear end cover 23 are equal, and the connection part of the thread bush 21 and the rear end cover 23 is provided with the clamp 25 at the upper end and the lower end, so that the connection part of the thread bush 21 and the rear end cover 23 can be shielded to prevent dust from entering.
In this embodiment, fixed blocks 26 are fixedly arranged at two ends of the clamp 25, threaded holes 27 are formed in the fixed blocks 26, and fixing screws 28 are arranged in the threaded holes 27, so that the clamp 25 can be detached and fixed.
In this embodiment, one end of the fixing screw 28 is fixedly provided with a square block 29, and a user can easily detach the fixing screw 28 through the square block 29.
Examples
In summary, when in use, the user can insert the reference column 5 on the rear housing 2 into the positioning hole 6 on the brushless unit 1 and fix the two through the fastening nut 7, at this time, the sealing ring 8 on the rear housing 2 can enter into the sealing groove 9 on the brushless unit 1 so as to keep the connection between the two sealing grooves, and the sealing effect is better through setting the dustproof sealing gasket 10, so as to prevent dust from entering, and the first dustproof net 12 and the second dustproof net 13 are also arranged in the rear housing 2, so as to block the dust entering into the rear housing 2, so as to prevent the dust from entering into the brushless unit 1, thereby affecting the service life of the device, and the user can also pull the round block 20 outwards to make the connecting pin 17 separate from the jack 18, so as to conveniently take out the mounting frame 11, so as to clean the first dustproof net 12 and the second dustproof net 13, and the user can also install the rear end cover 23 through the thread ring 22 and the thread bush 21, and further set up the whole device at the connection between the two dustproof nets 25, so as to have better dustproof effect.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a dustproof effectual direct current brushless motor, includes brushless unit (1), its characterized in that: the utility model discloses a dustproof dust-proof device, including brushless unit (1), including back casing (2), locating column (5), sealing washer (8), sealing washer (6) have been seted up to the one end of brushless unit (1), locating column (5) are equipped with back casing (2), just lie in one end on the outer wall of back casing (2) and fixedly be equipped with first installation circle (3), corresponding second installation circle (4) are equipped with second installation circle (4) on the outer wall of brushless unit (1), locating hole (6) have been seted up to the correspondence on the outer wall of second installation circle (4), locating column (5) all lie in the inside of locating hole (6), just be located one side of second installation circle (4) on reference column (5) and all be equipped with fastening nut (7), fastening nut (7) all with reference column (5) threaded mounting, the one end of back casing (2) is fixed and is equipped with sealing washer (8), corresponding on the outer wall of brushless unit (1) has been seted up seal groove (9), sealing washer (8) are located the inside of seal groove (9), be equipped with between back casing (2) and brushless unit (1) and be equipped with dust-proof net (11) and two ends (11) respectively, dust-proof net (11) are located both ends of dust-proof device (12).
2. The brushless dc motor with good dustproof effect according to claim 1, wherein: the utility model discloses a sliding block type rear shell is characterized in that a sliding block (14) is fixedly arranged on the outer wall of the installation frame (11), a sliding groove (15) is correspondingly formed in the inner wall of the rear shell (2), the sliding block (14) is slidably mounted with the sliding groove (15), a cylinder body (16) is fixedly arranged on the outer wall of the rear shell (2), the cylinder body (16) is communicated with the sliding groove (15), a connecting pin (17) is slidably arranged in the cylinder body (16), a jack (18) is formed in the outer wall of the sliding block (14), and one end of the connecting pin (17) is located in the jack (18).
3. The brushless dc motor with good dustproof effect according to claim 2, wherein: the other end of the cylinder body (16) is fixedly provided with a compression spring (19), the other end of the connecting pin (17) penetrates through the cylinder body (16) and is fixedly provided with a round block (20), and one end of the compression spring (19) is fixedly connected with the inner wall of the round block (20).
4. The brushless dc motor with good dustproof effect according to claim 1, wherein: the novel heat-dissipating structure is characterized in that a thread sleeve (21) is fixedly arranged at the other end of the rear shell (2), a thread ring (22) is arranged in the thread sleeve (21), the thread ring (22) is in threaded installation with the thread sleeve (21), a rear end cover (23) is fixedly arranged on one side surface of the thread ring (22), and a heat-dissipating hole (24) is formed in the outer wall of the rear end cover (23).
5. The brushless dc motor with good dustproof effect according to claim 4, wherein: the diameter of the thread sleeve (21) is equal to that of the rear end cover (23), and the joint of the thread sleeve (21) and the rear end cover (23) is provided with a clamp (25) at the upper end and the lower end.
6. The dc brushless motor with good dustproof effect according to claim 5, wherein: the clamp is characterized in that fixing blocks (26) are fixedly arranged at two ends of the clamp (25), threaded holes (27) are formed in the fixing blocks (26), and fixing screws (28) are arranged in the threaded holes (27).
7. The dc brushless motor with good dustproof effect according to claim 6, wherein: one end of the fixing screw (28) is fixedly provided with a square block (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321733096.3U CN220510866U (en) | 2023-07-04 | 2023-07-04 | Dustproof effectual DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321733096.3U CN220510866U (en) | 2023-07-04 | 2023-07-04 | Dustproof effectual DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510866U true CN220510866U (en) | 2024-02-20 |
Family
ID=89871568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321733096.3U Active CN220510866U (en) | 2023-07-04 | 2023-07-04 | Dustproof effectual DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510866U (en) |
-
2023
- 2023-07-04 CN CN202321733096.3U patent/CN220510866U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220510866U (en) | Dustproof effectual DC brushless motor | |
| CN210835872U (en) | Novel computer dustproof device | |
| CN210074957U (en) | Dustproof fan housing of motor | |
| CN215663297U (en) | Vehicle speed sensor convenient to disassemble and assemble | |
| CN221201847U (en) | Switch cabinet heat dissipation assembly | |
| CN202302945U (en) | Spring pull buckle type LED (Light Emitting Diode) line lamp | |
| CN204462883U (en) | Multi-function protection device for transformer temperature controller | |
| CN112802407A (en) | Outdoor multifunctional front maintenance LED display screen module and LED display screen | |
| CN221058557U (en) | Elevator energy-saving control device | |
| CN214626615U (en) | Front end cover dustproof structure of stepping motor and stepping motor | |
| CN110785037B (en) | Motor controller shell with heat radiation structure | |
| CN219802908U (en) | Auxiliary heat dissipation device for position marker debugging equipment | |
| CN219933895U (en) | Rotatory screens projecting lamp | |
| CN220227755U (en) | Reverse gear casing | |
| CN220873478U (en) | Electronic double-channel double-output digital display diaphragm pressure switch | |
| CN220252534U (en) | Computer power supply mechanism convenient to installation and debugging | |
| CN219865268U (en) | Automobile front cover shell oil seal structure | |
| CN217347106U (en) | Printing roller for printing machine | |
| CN212183228U (en) | High-precision dustproof limiting device for middle motor | |
| CN210014264U (en) | Lamp holder for waterproof light projector | |
| CN217588803U (en) | Electronic relay with automatic power-off function | |
| CN210532695U (en) | Casing behind ultra-low temperature air source air heater | |
| CN219918566U (en) | Permanent magnet direct current motor | |
| CN213393784U (en) | Novel electromagnetic pulse valve | |
| CN220397809U (en) | Air conditioner indoor unit casing convenient to equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |