CN110336411B - Direct current motor with inside multilayer anticreep structure - Google Patents
Direct current motor with inside multilayer anticreep structure Download PDFInfo
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- CN110336411B CN110336411B CN201811008378.0A CN201811008378A CN110336411B CN 110336411 B CN110336411 B CN 110336411B CN 201811008378 A CN201811008378 A CN 201811008378A CN 110336411 B CN110336411 B CN 110336411B
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- outer ring
- shell
- wall
- direct current
- current motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a direct current motor with an internal multilayer anti-creeping structure, which comprises a shell, a threaded column and a pulley, wherein a first outer ring and a second outer ring are installed on the inner wall of the shell, the threaded column is installed on the outer wall of the shell, the pulley is installed on a sliding rod, a fixed column is fixed on the outer wall of an inner cylinder and is mutually connected with the inner wall of the shell, a positioning block is mutually connected with a stator, the shell is mutually connected with a function groove, the function groove is arranged on a fan cover, and a porous plate and an isolation layer are fixed on the inner wall of the fan cover. This direct current motor with inside multilayer anticreep structure adopts neotype structural design for this device not only can the slightly different stator of mounting dimension, improves the holistic suitability of device, has carried out anticreep through multilayer structure moreover and has handled, makes direct current motor can not leak electricity at the during operation, has both guaranteed the result of use of device, has also guaranteed user's safety.
Description
Technical Field
The invention relates to the technical field of direct current motors, in particular to a direct current motor with an internal multilayer anti-creeping structure.
Background
The direct current motor is a motor which converts electric energy into mechanical energy, uses direct current, is commonly used in a plurality of fields in production and life, and is applied to various machines or equipment such as mine windlasses, hotel high-speed elevators, planing machines, electric locomotives, diesel locomotives, urban electric trains and the like.
With the continuous application of the dc motor in production and life, the conventional dc motor can only be installed with a stator of a single size due to unreasonable structural design, and leakage is likely to occur during use, so that it is urgently needed to design a dc motor with an internal multi-layer anti-leakage structure.
Disclosure of Invention
The invention aims to provide a direct current motor with an internal multilayer anti-leakage structure, which aims to solve the problem that the structure design is unreasonable, only a stator with a single size can be installed, and the leakage is easy to occur in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a direct current motor with an internal multilayer anti-creeping structure comprises a shell, a threaded column and pulleys, wherein a first outer ring and a second outer ring are installed on the inner wall of the shell, the first outer ring and the second outer ring are connected with an inner gear, the inner gear is fixed at the bottom end of an installation shaft, the installation shaft is connected with the shell, an outer gear is fixed at the top end of the installation shaft, the threaded column is installed on the outer wall of the shell, a nut and an extrusion block are installed on the threaded column, a first supporting leg is installed at the bottom end of the first outer ring, the first supporting leg is connected with a first bottom window, a first bottom window is arranged at the bottom end of the shell, a second supporting leg is installed at the bottom end of the second outer ring, the second supporting leg is connected with a second bottom window, the second bottom window is arranged at the bottom end of the shell, and lugs are installed on the inner walls of the first outer ring and the second outer ring, the pulley is installed on the slide bar, and installs spring and locating piece on the slide bar to slide bar and through-hole interconnect, the through-hole is seted up on the inner tube simultaneously, spring and the outer wall interconnect of inner tube, be fixed with the fixed column on the outer wall of inner tube, and fixed column and the inner wall interconnect of shell, the lug is when rotatory, and when the arc arch on the lug extrudeed the pulley, the pulley drives the slide bar and slides to the direction of stator in the through-hole, and the locating piece also follows the slide bar motion to extrude fixedly to the outside of stator, and install the rotor in the stator, shell and function groove interconnect, and the function groove is seted up and is covered at the fan to be fixed with perforated plate and isolation layer on the fan lid inner wall.
Preferably, the first outer ring and the second outer ring are both made of ceramic materials, the first outer ring and the second outer ring are both in sliding connection with the shell, and the first outer ring and the second outer ring are distributed in parallel.
Preferably, the first outer ring and the second outer ring are both in meshed connection with the inner gear, and the inner gear and the outer gear are distributed in parallel.
Preferably, the inner sides of the first outer ring and the second outer ring are respectively and uniformly distributed with 3 convex blocks, and one side of each convex block, which is close to the pulley, is provided with an arc-shaped bulge.
Preferably, the external gear is in meshed connection with the extrusion block, the extrusion block is welded on the threaded column, and the threaded column is in sliding connection with the shell.
Preferably, the positioning blocks are steel plate-shaped structures coated with insulating paint on the surfaces, and 3 positioning blocks are uniformly distributed on the inner sides of the first outer ring and the second outer ring respectively.
Preferably, the inner cylinder is a hollow cylindrical structure made of ceramic materials, through holes are uniformly formed in the side wall of the inner cylinder, and the through holes are in sliding connection with the sliding rod.
Preferably, the function groove is connected with the shell in a clamping manner, the surface of the function groove is covered with alkali-free glass fiber cloth, the diameter of the shell is smaller than that of the fan cover, and meanwhile, a porous plate made of ceramic materials and an isolation layer made of porous impregnated fiber cloth are fixed on the inner wall of the fan cover.
Compared with the prior art, the invention has the beneficial effects that: this direct current motor with inside multilayer anticreep structure adopts neotype structural design for this device not only can the slightly different stator of mounting dimension, improves the holistic suitability of device, has carried out anticreep through multilayer structure moreover and has handled, makes direct current motor can not leak electricity at the during operation, has both guaranteed the result of use of device, has also guaranteed user's safety.
1. The first outer ring, the second outer ring, the inner gear, the mounting shaft, the outer gear, the thread column, the nut and the extrusion block are matched with each other to work, stators with different sizes can be fixed, and the thread column, the nut and the extrusion block can also fix the stators through the outer gear and the inner gear after the stators are fixed through a structure connected with the first outer ring and the second outer ring;
2. the convex block, the pulley, the sliding rod, the spring, the positioning block, the inner cylinder and the fixing column can fix the stator under the driving of the driving structure, and the stator is separated from the shell by using an insulating material, so that the stator, the rotor and a circuit connected with the stator and the rotor are prevented from electric leakage, and safety accidents are avoided;
3. the structure that function groove, fan lid, perforated plate and isolation layer are constituteed for the fan lid of metal material can be connected with the stable block of casing, and function groove, perforated plate and isolation layer are guaranteeing to connect under stable and the heat dissipation normal condition, when having avoided inside emergence electric leakage, the electric current conducts away through the fan lid.
Drawings
FIG. 1 is a schematic front view of a cross-sectional structure of a first bottom window according to the present invention;
FIG. 2 is a schematic front view of a second bottom window according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 5 is a bottom view of the housing of the present invention;
FIG. 6 is a schematic cross-sectional view of a first outer ring of the present invention;
fig. 7 is a schematic front sectional view of the fan cover according to the present invention.
In the figure: 1. a housing; 2. a first outer ring; 3. a second outer ring; 4. an internal gear; 5. installing a shaft; 6. an outer gear; 7. a threaded post; 8. a nut; 9. extruding the block; 10. a first support leg; 11. a first bottom window; 12. a second support leg; 13. a second bottom window; 14. a bump; 15. a pulley; 16. a slide bar; 17. a spring; 18. positioning blocks; 19. a through hole; 20. an inner barrel; 21. fixing a column; 22. a stator; 23. a rotor; 24. a functional groove; 25. a fan cover; 26. a perforated plate; 27. an isolation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a direct current motor with an internal multi-layer anti-creeping structure comprises a shell 1, a first outer ring 2, a second outer ring 3, an inner gear 4, a mounting shaft 5, an outer gear 6, a threaded column 7, a nut 8, an extrusion block 9, a first support leg 10, a first bottom window 11, a second support leg 12, a second bottom window 13, a convex block 14, a pulley 15, a sliding rod 16, a spring 17, a positioning block 18, a through hole 19, an inner cylinder 20, a fixing column 21, a stator 22, a rotor 23, a functional groove 24, a fan cover 25, a porous plate 26 and an isolation layer 27, wherein the first outer ring 2 and the second outer ring 3 are mounted on the inner wall of the shell 1, the first outer ring 2 and the second outer ring 3 are connected with the inner gear 4, the inner gear 4 is fixed at the bottom end of the mounting shaft 5 is connected with the shell 1, the outer gear 6 is fixed at the top end of the mounting shaft 5, the threaded column 7 is mounted on, and the threaded column 7 is provided with a nut 8 and an extrusion block 9, the bottom end of the first outer ring 2 is provided with a first supporting leg 10, the first supporting leg 10 is connected with a first bottom window 11, the first bottom window 11 is arranged at the bottom end of the shell 1, the bottom end of the second outer ring 3 is provided with a second supporting leg 12, the second supporting leg 12 is connected with a second bottom window 13, the second bottom window 13 is arranged at the bottom end of the shell 1, the inner walls of the first outer ring 2 and the second outer ring 3 are both provided with a lug 14, a pulley 15 is arranged on a sliding rod 16, a spring 17 and a positioning block 18 are arranged on the sliding rod 16, the sliding rod 16 is connected with a through hole 19, the through hole 19 is arranged on the inner cylinder 20, the spring 17 is connected with the outer wall of the inner cylinder 20, a fixed column 21 is fixed on the outer wall of the inner cylinder 20, the fixed column 21 is connected with the inner wall of the shell 1, when the, when the arc-shaped bulge on the bump 14 extrudes the pulley 15, the pulley 15 drives the sliding rod 16 to slide in the through hole 19 towards the stator 22, the positioning block 18 also moves along with the sliding rod 16 and extrudes and fixes the outer side of the stator 22, the rotor 23 is installed in the stator 22, the shell 1 is connected with the functional groove 24, the functional groove 24 is arranged on the fan cover 25, and the porous plate 26 and the isolation layer 27 are fixed on the inner wall of the fan cover 25.
In this example, the first outer ring 2 and the second outer ring 3 are both made of ceramic materials, the first outer ring 2 and the second outer ring 3 are both connected with the housing 1 in a sliding manner, and the first outer ring 2 and the second outer ring 3 are distributed in parallel, and the structural design enables the first outer ring 2 and the second outer ring 3 not to be conductive and to freely rotate and slide in a groove formed in the inner wall of the housing 1;
the first outer ring 2 and the second outer ring 3 are both in meshed connection with the inner gear 4, and the inner gear 4 and the outer gear 6 are distributed in parallel, the structural design enables the outer gear 6 to drive the inner gear 4 to rotate through the mounting shaft 5 when the outer gear 6 rotates, and the inner gear 4 can stably drive the first outer ring 2 and the second outer ring 3 to perform opposite-direction rotary sliding on the inner wall of the shell 1 by utilizing meshed connection relation when the inner gear 4 rotates;
3 bumps 14 are uniformly distributed on the inner sides of the first outer ring 2 and the second outer ring 3 respectively, and arc-shaped bulges are arranged on one sides of the bumps 14 close to the pulleys 15, so that the bumps 14 can extrude the pulleys 15 through the arc-shaped bulges when rotating in opposite directions along with the first outer ring 2 and the second outer ring 3 respectively;
the external gear 6 is in meshed connection with the extrusion block 9, the extrusion block 9 is welded on the threaded column 7, the threaded column 7 is in sliding connection with the shell 1, the nut 8 can control whether the threaded column 7 can slide on the outer surface of the shell 1 or not through the structural design, and when the extrusion block 9 is in contact with the external gear 6, the external gear 6 can be clamped through the meshed connection relation, so that the external gear 6 and a structure connected with the external gear 6 are fixed;
the positioning blocks 18 are steel plate-shaped structures with surfaces coated with insulating paint, 3 positioning blocks 18 are uniformly distributed on the inner sides of the first outer ring 2 and the second outer ring 3 respectively, and the positioning blocks 18 can stably fix the stator 22 and prevent leakage current generated by the stator 22 or the rotor 23 from being transmitted outwards due to the structural design of the positioning blocks 18;
the inner cylinder 20 is a hollow cylindrical structure made of ceramic materials, through holes 19 are uniformly formed in the side wall of the inner cylinder 20, the through holes 19 are in sliding connection with the sliding rod 16, the inner cylinder 20 can isolate the internal electric environment from the shell 1, and when the pulley 15 is extruded by the arc-shaped protrusions on the bumps 14, the pulley 15 can drive the sliding rod 16 to slide in the through holes 19 towards the stator 22;
The working principle is as follows: when the device is assembled, firstly, the fan cover 25 in the figure 1 is clamped on the shell 1 through the functional groove 24, and the fan cover 25 and the shell 1 can be isolated by the isolating layer 27 made of alkali-free glass fiber cloth and porous impregnated fiber cloth which are covered on the surface of the functional groove 24, so that the anti-creeping effect is achieved;
subsequently, the stator 22 is inserted into the space between the positioning blocks 18, the rotor 23 is installed in the stator 22, the stator 22 and the rotor 23 in this example, and the circuit connecting structure are all the same as the structure of the Z-series dc motor, which is well known in the art and will not be described in detail herein, then the external gear 6 in fig. 6 is rotated, the external gear 6 rotates the internal gear 4 via the installation shaft 5, the internal gear 4 stably drives the first outer ring 2 and the second outer ring 3 to perform opposite rotational sliding on the inner wall of the housing 1 by using the meshing connection relationship when rotating, the lugs 14 squeeze the pulleys 15 by the arc-shaped protrusions when respectively following the opposite rotational movement of the first outer ring 2 and the second outer ring 3, and the lugs 14 installed inside the first outer ring 2 and the second outer ring 3 are also different in posture due to the opposite rotational directions of the first outer ring 2 and the second outer ring 3 as shown in fig. 1, therefore, when the bump 14 rotates and the arc-shaped bulge on the bump 14 extrudes the pulley 15, the pulley 15 drives the sliding rod 16 to slide in the through hole 19 towards the direction of the stator 22, and the positioning block 18 also moves along with the sliding rod 16 and extrudes and fixes the outer side of the stator 22;
meanwhile, the first supporting leg 10 and the second supporting leg 12 respectively rotate along with the first outer ring 2 and the second outer ring 3, and the angle between the first supporting leg 10 and the second supporting leg 12 and the horizontal plane is increased, so that the whole device is supported upwards and is far away from the ground, the first supporting leg 10 and the second supporting leg 12, which are made of rubber materials, of the horizontal part play a role of supporting and insulating isolation, because the sliding rod 16 and the positioning block 18 can move freely in a certain range, the device can fix the stator 22 with slightly different sizes, after all the positioning blocks 18 are tightly connected with the outer side of the stator 22, the nut 8 in the figure 4 is slightly unscrewed, so that the nut 8 does not extrude the outer side of the shell 1 any more, the threaded column 7 can slide freely in the groove formed in the outer side of the shell 1, the threaded column 7 carries the extrusion block 9 to be tightly contacted with the outer gear 6, and the meshing connection of the toothed structure between the outer gear 6 and the extrusion block 9, the nut 8 is screwed down, so that the nut 8 is in close contact with the outer wall of the shell 1 again, the threaded column 7 and the extrusion block 9 cannot move, the first outer ring 2, the second outer ring 3 and a structure connected with the first outer ring 2 and the second outer ring 3 are fixed, the whole device is lifted and kept away from the ground, the stator 22 and the rotor 23 are fixed in the inner cylinder 20 made of ceramic materials by the positioning block 18, the first outer ring 2 and the second outer ring 3 made of ceramic materials are added, the stator 22, the rotor 23 and a circuit connected with the stator 22 and the rotor 23 are isolated from the outside, and leakage is effectively prevented.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a direct current motor with inside multilayer anticreep structure, includes shell (1), screw thread post (7) and pulley (15), its characterized in that: install first outer ring (2) and second outer ring (3) on the inner wall of shell (1), and first outer ring (2) and second outer ring (3) all with internal gear (4) interconnect, and internal gear (4) are fixed in the bottom of installation axle (5), install axle (5) and shell (1) interconnect simultaneously, the top of installation axle (5) is fixed with external gear (6), threaded post (7) are installed on the outer wall of shell (1), and install nut (8) and extrusion piece (9) on threaded post (7), first supporting leg (10) is installed to the bottom of first outer ring (2), and first supporting leg (10) and first end window (11) interconnect to first end window (11) is seted up in the bottom of shell (1), second supporting leg (12) is installed to the bottom of second outer ring (3), and second supporting leg (12) and second end window (13) interconnect, and the second bottom window (13) is arranged at the bottom end of the shell (1), the inner walls of the first outer ring (2) and the second outer ring (3) are both provided with a convex block (14), the pulley (15) is arranged on a sliding rod (16), the sliding rod (16) is provided with a spring (17) and a positioning block (18), the sliding rod (16) is connected with a through hole (19), the through hole (19) is arranged on an inner cylinder (20), the spring (17) is connected with the outer wall of the inner cylinder (20), the outer wall of the inner cylinder (20) is fixed with a fixed column (21), the fixed column (21) is connected with the inner wall of the shell (1), when the convex block (14) rotates, an arc-shaped bulge on the convex block (14) extrudes the pulley (15), the pulley (15) drives the sliding rod (16) to slide in the through hole (19) towards the direction of the stator (22), the positioning block (18) also moves along with the sliding rod (16) and extrudes and fixes the outer side of the stator (22), a rotor (23) is installed in the stator (22), the shell (1) is connected with the functional groove (24), the functional groove (24) is formed in the fan cover (25), and a porous plate (26) and an isolation layer (27) are fixed on the inner wall of the fan cover (25).
2. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the first outer ring (2) and the second outer ring (3) are both made of ceramic materials, the first outer ring (2) and the second outer ring (3) are both in sliding connection with the shell (1), and the first outer ring (2) and the second outer ring (3) are distributed in parallel.
3. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the first outer ring (2) and the second outer ring (3) are in meshed connection with the inner gear (4), and the inner gear (4) and the outer gear (6) are distributed in parallel.
4. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the inner sides of the first outer ring (2) and the second outer ring (3) are respectively and uniformly distributed with 3 convex blocks (14), and one side of each convex block (14) close to the pulley (15) is provided with an arc-shaped bulge.
5. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the external gear (6) is in meshed connection with the extrusion block (9), the extrusion block (9) is welded on the threaded column (7), and the threaded column (7) is in sliding connection with the shell (1).
6. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the positioning blocks (18) are steel plate-shaped structures coated with insulating paint on the surfaces, and 3 positioning blocks (18) are uniformly distributed on the inner sides of the first outer ring (2) and the second outer ring (3) respectively.
7. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the inner cylinder (20) is a hollow cylindrical structure made of ceramic materials, through holes (19) are uniformly formed in the side wall of the inner cylinder (20), and the through holes (19) are in sliding connection with the sliding rods (16).
8. The direct current motor with an internal multi-layer anti-creeping structure according to claim 1, wherein: the functional groove (24) is connected with the shell (1) in a clamping mode, the surface of the functional groove (24) is covered with alkali-free glass fiber cloth, the diameter of the shell (1) is smaller than that of the fan cover (25), and meanwhile a porous plate (26) made of ceramic materials and an isolation layer (27) made of porous impregnated fiber cloth are fixed on the inner wall of the fan cover (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811008378.0A CN110336411B (en) | 2018-08-31 | 2018-08-31 | Direct current motor with inside multilayer anticreep structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008378.0A CN110336411B (en) | 2018-08-31 | 2018-08-31 | Direct current motor with inside multilayer anticreep structure |
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| Publication Number | Publication Date |
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| CN110336411A CN110336411A (en) | 2019-10-15 |
| CN110336411B true CN110336411B (en) | 2021-07-13 |
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| CN111106716B (en) * | 2020-03-05 | 2020-09-29 | 三门县点帆环保科技有限公司 | Electric leakage protection device for motor shell |
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| US20130031774A1 (en) * | 2004-05-13 | 2013-02-07 | Integral Technologies, Inc. | Low cost electrical motor components manufactured from conductive loaded resin-based materials |
| CN104901463B (en) * | 2015-05-20 | 2017-03-29 | 遵义天义利威机电有限责任公司 | A kind of electric motor end cap |
| CN206402018U (en) * | 2016-10-16 | 2017-08-11 | 揭阳市恒翔电器有限公司 | A kind of motor of new adjustable support |
| CN107716580A (en) * | 2017-11-08 | 2018-02-23 | 安徽盛达前亮铝业有限公司 | A kind of large thin-wall square tube extrusion die |
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