CN216564756U - Direct current motor with uniform speed control mechanism - Google Patents
Direct current motor with uniform speed control mechanism Download PDFInfo
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- CN216564756U CN216564756U CN202121110744.0U CN202121110744U CN216564756U CN 216564756 U CN216564756 U CN 216564756U CN 202121110744 U CN202121110744 U CN 202121110744U CN 216564756 U CN216564756 U CN 216564756U
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- rear end
- ventilation pipe
- end cover
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Abstract
The utility model provides a direct current motor with a uniform speed control mechanism, which comprises: the stator is fixed on the inner wall of the shell; the rotor is sleeved on the rotating shaft, and the rotor and the rotating shaft are inserted between the stators; the rotating shaft penetrates through the connecting plate and is inserted into the rear end cover, and the rotating shaft is provided with a heat dissipation fan; the ventilation pipe is arranged on the left side surface of the connecting plate, and a ventilation hole is formed in the ventilation pipe; the connecting plate is arranged between the shell and the rear end cover, a convex ring is arranged on the right side surface of the connecting plate, a heat-conducting column is fixedly inserted on the connecting plate in an inserting mode, and the connecting plate comprises a groove part and an outer ring surface; the fixing structure is arranged at the joint of the connecting plate and the shell and the rear end cover and comprises an L-shaped block, a buffer spring, a clamping block and a hinged part. The utility model utilizes the connecting plate to directly conduct heat, changes the wind direction through the ventilation pipe, enhances the ventilation and heat dissipation effects and improves the heat dissipation efficiency.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a direct current motor with a uniform speed control mechanism.
Background
The direct current motor is a motor which converts direct current electric energy into mechanical energy, and is widely applied to electric dragging due to good speed regulation performance, and the motor generates a large amount of heat in the running process, such as heat generated by friction of a bearing, heat generated by resistance of a coil and heat generated by magnetic resistance of an iron core.
The current chinese patent with publication number CN212751958U discloses a dc motor with uniform speed control mechanism, which transfers heat to a heat dissipation rod by arranging a heat conduction block, the heat dissipation rod guides the heat out of the machine body for heat dissipation, but the heat conduction block is in indirect contact with a heating component, so the heat transfer effect is limited, and the problem of low heat dissipation efficiency exists.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a direct current motor with a uniform speed control mechanism is provided so as to solve the problems that a heat conduction block is indirectly contacted with a heating assembly, the heat transfer effect is limited, and the heat dissipation efficiency is low.
To achieve the above object, there is provided a dc motor having a uniform speed control mechanism, comprising:
the stator is fixed on the inner wall of the shell;
the rotor is sleeved on the rotating shaft, and the rotor and the rotating shaft are inserted between the stators;
the rotating shaft penetrates through the connecting plate and is inserted into the rear end cover, and the rotating shaft is provided with a heat dissipation fan;
the ventilation pipe is arranged on the left side surface of the connecting plate, and a ventilation hole is formed in the ventilation pipe;
the connecting plate is arranged between the shell and the rear end cover, a convex ring is arranged on the right side surface of the connecting plate, a heat-conducting column is fixedly inserted on the connecting plate in an inserting mode, and the connecting plate comprises a groove part and an outer ring surface;
the fixing structure is arranged at the joint of the connecting plate and the shell and the rear end cover and comprises an L-shaped block, a buffer spring, a clamping block and a hinged part.
Furthermore, radiating fins distributed in a radial mode are fixed on the outer side face of the shell, a slot is formed in the outer surface of the right end of the shell, and the interior of the shell is communicated with the interior of the rear end cover through the ventilation pipe.
Furthermore, the cross section of the ventilation pipe is in a long tubular shape with an arc triangle, one end of the ventilation pipe is connected with the connecting plate, the other end of the ventilation pipe is suspended, the ventilation pipe is inserted into a gap between the side faces of the adjacent stators, the length of the ventilation pipe is larger than that of the stators, and the ventilation holes are formed in the arc-shaped face of the ventilation pipe in a staggered mode.
Further, the connecting plate is discoid, the circumference edge of connecting plate is provided with annular groove portion, groove portion with the casing with the opening end looks adaptation of rear end cover.
Furthermore, the outer ring surface is located on the outer sides of the casing and the rear end cover, limiting holes are symmetrically formed in the outer ring surface, and the limiting holes correspond to the slots.
Furthermore, be provided with two rings of bulge loops on the connecting plate, two rings be formed with the annular channel between the bulge loop, install the filter screen in the annular channel, the filter screen covers on the ventilation pipe, the bulge loop with between the pivot evenly be fixed with the heat conduction post on the connecting plate.
Furthermore, an inclined hole is formed in the outer side face of the rear end cover, a slot is formed in the outer surface of the left end of the rear end cover, and the slot in the casing and the slot in the rear end cover are distributed in pairs.
Furthermore, the top end of the L-shaped block is connected with the clamping block through the hinged portion, the bottom end of the L-shaped block penetrates through the limiting hole to enter the slot, a buffer spring is installed in the slot, and the bottom end of the L-shaped block is tightly abutted to the buffer spring.
The direct current motor with the uniform speed control mechanism has the advantages that the wind direction of the direct current motor is changed by the connecting plate and the ventilating pipe, the air flowability of the heating component accessory is improved, the heat dissipation efficiency is improved, heat on the rotating shaft and the machine body is directly conducted out through the connecting plate, the heat dissipation condition of the heating component is optimized, the fixing structure is used for safety rotation, the problem that a bolt structure is easy to loosen when the motor runs is avoided, and the product quality is guaranteed.
Drawings
FIG. 1 is a schematic front view of a cross-sectional structure according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along the line A-A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along the plane B-B of FIG. 1 according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a fixing structure according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. a stator; 3. a rotor; 4. a rotating shaft; 5. a vent pipe; 6. a connecting plate; 7. a heat dissipation fan; 8. a rear end cap; 9. a fixed structure; 11. a heat sink; 12. a slot; 51. a vent hole; 61. a groove part; 62. an outer annular surface; 63. filtering with a screen; 64. a heat-conducting column; 65. a limiting hole; 66. a convex ring; 81. an inclined hole; 91. an L-shaped block; 92. a buffer spring; 93. a clamping block; 94. a hinge portion.
Detailed Description
The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a dc motor having a uniform speed control mechanism, including: the air conditioner comprises a machine shell 1, a ventilation pipe 5, a connecting plate 6 and a fixing structure 9.
Specifically, the stator 2 is fixed on the inner wall of the casing 1;
the rotor 3 is sleeved on the rotating shaft 4, and the rotor 3 and the rotating shaft 4 are inserted between the stators 2;
the rotating shaft 4 penetrates through the connecting plate 6 and is inserted into the rear end cover 8, and the rotating shaft 4 is provided with a heat dissipation fan 7;
the ventilation pipe 5 is arranged on the left side surface of the connecting plate 6, and a ventilation hole 51 is formed in the ventilation pipe 5;
the connecting plate 6 is arranged between the machine shell 1 and the rear end cover 8, a convex ring 66 is arranged on the right side surface of the connecting plate 6, a heat-conducting column 64 is fixedly inserted on the connecting plate 6 in an inserting mode, and the connecting plate 6 comprises a groove part 61 and an outer ring surface 62;
and the fixing structure 9 is arranged at the joint of the connecting plate 6 and the shell 1 and the rear end cover 8, and the fixing structure 9 comprises an L-shaped block 91, a buffer spring 92, a clamping block 93 and a hinge part 94.
When the dustproof fan is used, the rotating shaft 4 rotates to drive the heat dissipation fan 7 to rotate, air blown out by the heat dissipation fan 7 enters the interior of the machine shell 1 through the vent pipe 5, the vent hole 51 in the vent pipe 5 is aligned with the structures of the stator 2 and the rotor 3, the flowing direction of the wind power is changed, and the air flow near the heating assembly is accelerated, so that the heat dissipation effect is achieved, the inclined hole 81 communicated with the external environment is formed in the rear end cover 8, the machine shell 1 and the rear end cover 8 are separated by the connecting plate 6, the filter screen 63 is covered on the connecting plate 6, dust is prevented from entering the machine shell 1, the dustproof function is achieved, and when the filter screen 63 is disassembled, only the rear end cover 8 is needed to avoid affecting the interior of the machine shell 1;
the opening end of the casing 1 or the rear end cover 8 is inserted into the slot 12 of the connecting plate 6, the limiting hole 65 of the connecting plate 6 corresponds to the slot 12 on the casing, the L-shaped block 91 is downwards inserted into the limiting hole 65 and the slot 12 according to the designated direction, the buffer spring 92 pushes the L-shaped block 91 to tightly abut against the slot 12, and finally the clamping block 93 is turned over to lock the position of the L-shaped block 91, so that the fixing function is realized.
In this embodiment, as shown in fig. 1, radiating fins 11 that are radially distributed are fixed on the outer side surface of casing 1, slot 12 has been seted up on the right-hand end surface of casing 1, the inside of casing 1 communicates the inside of rear end cap 8 through ventilation pipe 5, inclined hole 81 has been seted up on the outer side surface of rear end cap 8, slot 12 has been seted up on the left end surface of rear end cap 8, slot 12 on the casing 1 and slot 12 on the rear end cap 8 distribute in pairs, utilize ventilation pipe 5 to carry out gas exchange between casing 1 and the rear end cap 8, rear end cap 8 carries out gas exchange through inclined hole 81 with external environment, and inclined hole 81 helps dustproof effect.
In this embodiment, as shown in fig. 1 and 2, the cross section of the ventilation pipe 5 is in the shape of a long pipe with an arc triangle, one end of the ventilation pipe 5 is connected with the connecting plate 6, the other end of the ventilation pipe 5 is suspended, the ventilation pipe 5 is inserted into a gap on the side surface of the adjacent stator 2, the length of the ventilation pipe 5 is greater than that of the stator 2, the ventilation holes 51 are arranged on the arc surface of the ventilation pipe 5 in a staggered manner, three arc surfaces of the ventilation pipe 5 face the stator 2 and the rotor 3 respectively, the ventilation holes 51 are formed in the arc surfaces, when wind flows through the ventilation pipe 5, the wind blows to the heating component from the ventilation holes 51, and the heat dissipation effect is improved.
In this embodiment, connecting plate 6 is discoid, and the circumference edge of connecting plate 6 is provided with annular groove portion 61, and groove portion 61 and casing 1 and rear end cap 8's opening end looks adaptation, and casing 1 and rear end cap 8 are connected respectively to the both sides face of connecting plate 6, installs rotor 3 and heat dissipation fan 7 respectively in the pivot 4 of connecting plate 6 both sides, the management of being convenient for overhauls.
In this embodiment, outer anchor ring 62 is located the outside of casing 1 and rear end cover 8, spacing hole 65 has been seted up to the symmetry on outer anchor ring 62, spacing hole 65 is corresponding with slot 12, be provided with two rings of bulge loop 66 on the connecting plate 6, be formed with the annular groove between two rings of bulge loop 66, install filter screen 63 in the annular groove, filter screen 63 covers on ventilation pipe 5, evenly be fixed with heat conduction post 64 on the connecting plate 6 between bulge loop 66 and the pivot 4, connecting plate 6 suit is on pivot 4, the heat conduction that conveniently produces pivot 4 goes out, it is inside to utilize filter screen 63 to prevent that the dust from getting into casing 1, filter screen 63 withholds between bulge loop 66, convenient dismantlement.
In this embodiment, as shown in fig. 4, the top end of the L-shaped block 91 is connected to the fixture block 93 through the hinge portion 94, the bottom end of the L-shaped block 91 penetrates through the limiting hole 65 and enters the slot 12, the buffer spring 92 is installed in the slot 12, the bottom end of the L-shaped block 91 is abutted to the buffer spring 92, the L-shaped block 91 is clamped in the slot 12, a bolt structure is avoided, the buffer spring 92 can effectively buffer the vibration generated by the motor in the motor operation process, and the fixing structure 9 is prevented from being loosened.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A direct current motor having a uniform speed control mechanism, comprising:
the stator (2) is fixed on the inner wall of the shell (1);
the rotor (3) is sleeved on the rotating shaft (4), and the rotor (3) and the rotating shaft (4) are inserted between the stators (2);
the rotating shaft (4) penetrates through the connecting plate (6) and is inserted into the rear end cover (8), and the rotating shaft (4) is provided with a heat dissipation fan (7);
the ventilation pipe (5) is arranged on the left side surface of the connecting plate (6), and a ventilation hole (51) is formed in the ventilation pipe (5);
the connecting plate (6) is arranged between the machine shell (1) and the rear end cover (8), a convex ring (66) is arranged on the right side face of the connecting plate (6), a heat-conducting column (64) is fixedly inserted on the connecting plate (6), and the connecting plate (6) comprises a groove part (61) and an outer annular surface (62);
the fixing structure (9) is arranged at the joint of the connecting plate (6) and the shell (1) and the rear end cover (8), and the fixing structure (9) comprises an L-shaped block (91), a buffer spring (92), a clamping block (93) and a hinge part (94).
2. The direct current motor with the uniform speed control mechanism is characterized in that radiating fins (11) distributed in a radial shape are fixed on the outer side face of the machine shell (1), a slot (12) is formed in the outer surface of the right end of the machine shell (1), and the interior of the machine shell (1) is communicated with the interior of the rear end cover (8) through the ventilation pipe (5).
3. The direct current motor with the uniform speed control mechanism is characterized in that the ventilation pipe (5) is in a long pipe shape with an arc-triangle-shaped cross section, one end of the ventilation pipe (5) is connected with the connecting plate (6), the other end of the ventilation pipe (5) is suspended, the ventilation pipe (5) is inserted into a side gap of the adjacent stator (2), the length of the ventilation pipe (5) is larger than that of the stator (2), and the ventilation holes (51) are arranged on the arc-shaped surface of the ventilation pipe (5) in a staggered mode.
4. The direct current motor with the uniform speed control mechanism according to claim 1, wherein the connecting plate (6) is in a shape of a disk, a circular groove portion (61) is provided at a circumferential edge of the connecting plate (6), and the groove portion (61) is matched with an opening end of the casing (1) and the rear end cover (8).
5. The direct current motor with the uniform speed control mechanism according to claim 4, wherein the outer ring surface (62) is located outside the casing (1) and the rear end cover (8), the outer ring surface (62) is symmetrically provided with limiting holes (65), and the limiting holes (65) correspond to the slots (12).
6. The direct current motor with the uniform speed control mechanism is characterized in that two circles of convex rings (66) are arranged on the connecting plate (6), an annular groove is formed between the two circles of convex rings (66), a filter screen (63) is installed in the annular groove, the filter screen (63) covers the ventilation pipe (5), and heat conduction columns (64) are uniformly fixed on the connecting plate (6) between the convex rings (66) and the rotating shaft (4).
7. The direct current motor with the uniform speed control mechanism according to claim 1, wherein an inclined hole (81) is formed on an outer side surface of the rear end cover (8), a slot (12) is formed on an outer surface of a left end of the rear end cover (8), and the slot (12) on the casing (1) and the slot (12) on the rear end cover (8) are distributed in pairs.
8. The direct current motor with the uniform speed control mechanism according to claim 1, wherein the top end of the L-shaped block (91) is connected with the clamping block (93) through the hinge portion (94), the bottom end of the L-shaped block (91) passes through the limiting hole (65) and enters the slot (12), a buffer spring (92) is installed in the slot (12), and the bottom end of the L-shaped block (91) is abutted against the buffer spring (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121110744.0U CN216564756U (en) | 2021-05-24 | 2021-05-24 | Direct current motor with uniform speed control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121110744.0U CN216564756U (en) | 2021-05-24 | 2021-05-24 | Direct current motor with uniform speed control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216564756U true CN216564756U (en) | 2022-05-17 |
Family
ID=81536339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121110744.0U Active CN216564756U (en) | 2021-05-24 | 2021-05-24 | Direct current motor with uniform speed control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216564756U (en) |
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2021
- 2021-05-24 CN CN202121110744.0U patent/CN216564756U/en active Active
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