CN217508445U - Novel direct current motor - Google Patents
Novel direct current motor Download PDFInfo
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- CN217508445U CN217508445U CN202220666216.1U CN202220666216U CN217508445U CN 217508445 U CN217508445 U CN 217508445U CN 202220666216 U CN202220666216 U CN 202220666216U CN 217508445 U CN217508445 U CN 217508445U
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Abstract
The utility model relates to a direct current machine equipment technical field especially relates to a novel direct current machine, include: the motor comprises a machine shell, a rotor assembly and a stator assembly, wherein the rotor assembly and the stator assembly are respectively arranged in the machine shell; the flat surfaces are formed on two sides of the shell respectively, a plurality of vent holes are formed in the flat surfaces in a strip shape, and circular arcs are formed at the edges of the vent holes. The invention aims to provide a novel direct current motor, which leads the air inside and outside the shell to be communicated through the vent holes, destroys the working environment of the rotor assembly sealed in the shell, achieves the effect of avoiding the vibration of the motor caused by the vortex flow of the air in the shell, reduces the production process and the cost of the motor by adopting a simple mode, and achieves the purpose of improving the production efficiency; the rotor assembly is rotated through the ventilation holes to drive air to pass through the two sides of the machine shell to form convection, so that the heat accumulation of the air in the machine shell is avoided, and the purpose of avoiding the heating of the motor caused by long running time and high speed of the motor is achieved.
Description
Technical Field
The utility model relates to a direct current motor technical field especially relates to a novel direct current motor.
Background
At abundant material civilization in-process, the general application of motor is in each field, current low pressure DC motor includes stator module and rotor subassembly, when the rotor subassembly high-speed operation under the power supply of low pressure DC voltage, the motor is inside to generate heat seriously, operational environment because of the rotor subassembly seals, can't accomplish effective quick heat dissipation, lead to the motor life shorter, simultaneously because rotor subassembly motor cavity inclosed air is because of the vortex flow when the rotor subassembly is high-speed rotatory, to causing the whole great vibration that produces of motor, need adopt improvement rotor subassembly balance standard and concentricity to eliminate the vibration, so cause the short problem of motor manufacturing cost height and motor life.
Therefore, the existing motor is improved, the production process is reduced, and the problems of strong vibration and serious heating generated in the running process of the motor are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel direct current motor, adopt the utility model provides a technical scheme keeps the original structure of motor, and simple and easy mode improves the radiating effect of motor and reduces the vibration of motor, satisfies the quick convenient production demand of motor and improves motor life's purpose.
In order to achieve the purpose of the invention, the utility model provides a novel direct current motor, which comprises a machine shell, a rotor component and a stator component, wherein the rotor component and the stator component are respectively arranged in the machine shell; the flat surfaces are formed on two sides of the shell respectively, a plurality of vent holes are formed in the flat surfaces in a strip shape, and circular arcs are formed at the edges of the vent holes.
Preferably, the area of the vent hole is 20% -32% of the area of the flat surface.
Preferably, the length-width ratio of the vent hole is 2.4-3.6.
Preferably, the distance between the flat surfaces is 52% -80% of the outer diameter of the casing.
Preferably, the device further comprises an end cover which covers one end of the casing to enable the casing to form a closed state.
Preferably, the vent hole is covered with a dust cover.
By last, use the utility model provides a novel direct current motor can obtain following beneficial effect:
1. the air inside and outside the shell is communicated through the vent holes, the closed working environment of the rotor assembly in the shell is damaged, the effect of avoiding the vibration of the motor caused by the vortex flow of the air in the shell is achieved, meanwhile, the arc is formed at the edge of the vent holes, the strength of the shell is increased, and the problem of structural vibration effect caused by the high-speed rotation of the rotor assembly is further avoided; the production process and cost of the motor are reduced in a simple mode, and the purpose of improving the production efficiency is achieved.
2. The rotor assembly is rotated through the ventilation holes to drive air to pass through the two sides of the machine shell to form convection, so that the heat accumulation of the air in the machine shell is avoided, and the purpose of avoiding the heating of the motor caused by long running time and high speed of the motor is achieved.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.
Fig. 1 is a first perspective view of a novel dc motor according to an embodiment of the present invention;
fig. 2 is a sectional view of the novel dc motor according to the embodiment of the present invention;
fig. 3 is a schematic perspective view of a novel dc motor according to an embodiment of the present invention;
in the figure: 1 chassis, 11 rotor components, 12 stator components, 2 flat surfaces, 3 ventilation holes, 31 circular arcs, 4 end covers and 32 dust covers.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Current low pressure direct current motor includes stator and rotor, when the rotor high-speed when operating under the low pressure direct voltage power supply, the motor is inside to generate heat seriously, because of rotor operational environment seals, can't accomplish effective quick heat dissipation, lead to the motor life-span shorter, simultaneously because when the rotor is high-speed rotatory, the inclosed air of motor inner chamber is because of vortex flow, to causing the whole great vibration that produces of motor, need adopt and improve rotor subassembly balance standard and concentricity, so cause the short problem of motor manufacturing cost height and motor life.
In order to solve the above technical problem, this embodiment provides a novel dc motor, and specific structural features are as follows:
referring to fig. 1-3, the novel dc motor provided in this embodiment includes a casing 1, a rotor assembly 11 and a stator assembly 12 respectively disposed in the casing 1, flat surfaces 2 respectively formed at two sides of the casing 1, and a plurality of strip-shaped ventilation holes 3 formed in the flat surfaces 2; the edge of the vent hole 3 is formed with a circular arc 31.
Specifically, in order to rotate the motor, a rotor assembly 11 and a stator assembly 12 are arranged in a machine shell 1, so that the rotor assembly 11 realizes the rotating function of the motor under the action of current, in order to facilitate processing and improve the heat dissipation of the machine shell 1, flat surfaces 2 are formed on two sides of the machine shell 1, in order to simultaneously and respectively provide a strip-shaped vent hole 3 on each flat surface 2, air inside and outside the machine shell 1 is communicated through the vent hole 3, the closed working environment of the rotor assembly 11 in the machine shell 1 is damaged, the effect of avoiding the vibration of the motor caused by the vortex flow of the air in the machine shell 1 is achieved, meanwhile, an arc 31 is formed at the edge of the vent hole 3, the strength between the vent hole and the machine shell 1 is increased, and the problem of structural vibration effect caused by the high-speed operation of the rotor assembly 11 is further reduced; the vibration is eliminated by adopting a simple mode without adopting a procedure of improving the balance standard and concentricity of the rotor assembly 11, the production process and cost of the motor are reduced, and the aim of improving the production efficiency is fulfilled; meanwhile, through the vent holes 3, the rotor assembly 11 rotates to drive air to pass through the vent holes 3 from the two sides of the machine shell 1 to form convection, heat inside the machine shell 1 is taken away, heat accumulation of air inside the machine shell 1 is avoided, the purpose of avoiding heating of the motor due to long running time and high speed of the motor is achieved, and the effects of prolonging the running time of the motor, prolonging the service life of the motor and improving the running speed of the motor are achieved.
It can be understood that, in order to avoid the influence of a plurality of vent holes 3 on the strength of the chassis 1, the number of vent holes 3 can be reduced, and as shown in fig. 1, one vent hole 3 is adopted to reduce the influence of the opening of the vent hole 3 on the strength of the chassis 1.
For aesthetic reasons, as shown in fig. 1, the circular arcs 31 are respectively located at both ends of the ventilation holes 3, so that the ventilation holes 3 have an elliptical structure, and the ventilation area is uniformly distributed toward the rotor assembly 11.
Further, in order to improve the ventilation effect of the ventilation holes 3, the area of the ventilation holes 3 is 30% of the area of the flat surface 2, and in order to improve the air convection and enhance the strength of the casing 1, the length-width ratio of the ventilation holes 3 is 3: 1.
Further, in order to improve the accumulation of heat in the motor, the distance between the flat surfaces 2 is smaller than the outer diameter of the machine shell 1, and the distance between the flat surfaces 2 is specifically 78% of the outer diameter of the machine shell 1, namely when the outer diameter of the machine shell is 15mm, the distance between the flat surfaces 2 is 11.7mm, so that the flat surfaces 2 are closer to the rotor assembly 11 in the machine shell 1, and under the ventilation effect of the ventilation holes 3, the rotor assembly 11 is in quick contact with convective air, thereby achieving the effect of improving heat dissipation; meanwhile, in order to improve the strength of the casing 1, the thickness of the flat surface 2 is greater than or equal to that of the casing 1, in order to facilitate processing and reduce cost, the thickness of the flat surface 2 is 120% of that of the casing 1, and the effect of improving the structural strength of the casing 1 is further achieved by increasing the thickness of the flat surface 2.
Further, in order to stabilize the output of the motor, as shown in fig. 2 and 3, an end cover 4 is attached to an end cover 4 of the housing 1, and the housing 1 is closed by the end cover 4, which is beneficial to the stable rotation of the rotor assembly 11 in the housing 1; it will be appreciated that an axial bore may also be provided in the end cap 4 to support rotation of the rotor assembly 11.
Further, in order to prevent the motor from operating, dust enters the casing 1, it is rotatory and cause the pollution damage of rotor assembly 11 to influence rotor assembly 11, as shown in fig. 3, cover the dust cover 32 on the ventilation hole 3, reach through the dust cover 32 and avoid the dust to enter the casing 1, reach dirt-proof effect, for convenience of processing, can be connected the edge of dust cover 32 with the lateral wall in ventilation hole 3, in other embodiments, can also cover the dust cover 32 on flat surface 2, cover ventilation hole 3 simultaneously, can realize the dustproof effect of dust cover 32 equally.
According to the novel direct current motor, the air inside and outside the machine shell 1 is communicated through the vent holes 3, the closed working environment of the rotor assembly 11 in the machine shell 1 is damaged, the effect of avoiding the vibration of the motor caused by the vortex flow of the air in the machine shell 1 is achieved, meanwhile, the arc 31 structure formed at the edges of the vent holes 3 increases the strength of the machine shell 1, and the problem of structural vibration effect caused by the high-speed rotation of the rotor assembly 11 is further avoided; the production process and cost of the motor are reduced by adopting a simple mode, and the aim of improving the production efficiency is fulfilled; make 11 rotatory drive air of rotor subassembly pass from casing 1 both sides through ventilation hole 3 and form the convection current, avoided the long-pending heat of 1 inside air of casing, reach and avoid motor operation duration process, speed to cause the purpose that the motor generates heat at the excessive speed, this novel structure is effective, makes the more convenient practicality of product.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (6)
1. A novel direct current motor is characterized in that: the motor comprises a machine shell, a rotor assembly and a stator assembly, wherein the rotor assembly and the stator assembly are respectively arranged in the machine shell; the flat surfaces are formed on two sides of the shell respectively, a plurality of vent holes are formed in the flat surfaces in a strip shape, and circular arcs are formed at the edges of the vent holes.
2. The novel direct current motor according to claim 1, characterized in that: the area of the vent hole is 20% -32% of the area of the flat surface.
3. The novel direct current motor according to claim 1, characterized in that: the length-width ratio of the vent holes is 2.4-3.6.
4. The novel direct current motor according to claim 1, characterized in that: the distance between the flat surfaces is 52% -80% of the outer diameter of the shell.
5. The novel direct current motor according to claim 1, characterized in that: the shell is provided with a shell body, and the shell body is provided with an end cover which covers one end of the shell body to enable the shell body to form a closed state.
6. The novel direct current motor according to claim 1, characterized in that: and the dust cover covers the vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220666216.1U CN217508445U (en) | 2022-03-25 | 2022-03-25 | Novel direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220666216.1U CN217508445U (en) | 2022-03-25 | 2022-03-25 | Novel direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217508445U true CN217508445U (en) | 2022-09-27 |
Family
ID=83348531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220666216.1U Active CN217508445U (en) | 2022-03-25 | 2022-03-25 | Novel direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217508445U (en) |
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2022
- 2022-03-25 CN CN202220666216.1U patent/CN217508445U/en active Active
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