Three-groove direct current iron core motor stator assembly
By designing the inverted structure and heat dissipation block in the DC motor stator assembly, the problem of untimely heat discharge of the stator is solved, the heat dissipation effect and service life are improved, and the stability of the outer shell is enhanced.
Patent Information
- Application Number
- CN202420855940.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The stator in a DC motor will generate a large amount of heat during use and cannot be discharged in time, which will affect its service life.
A three-slot DC iron core motor stator assembly is designed. The outer wall of the outer shell has an inward structure, and the inner wall is equipped with grooves and heat dissipation blocks. The heat from the iron core seat, iron core rod and winding coil is discharged in time through the heat dissipation block.
It improves the heat dissipation effect, extends the service life of the iron core seat, iron core rod, iron core cover and winding coil, and enhances the firmness of the outer shell.
Smart Images

Figure CN222638232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of direct current motors, in particular to a three-slot direct current iron core motor stator component. Background Art
[0002] A DC motor is a rotating motor that can convert DC electrical energy into mechanical energy (DC motor) or convert mechanical energy into DC electrical energy (DC generator); it is a motor that can realize the mutual conversion between DC electrical energy and mechanical energy.
[0003] Currently, a DC motor is provided with a stator and a rotor. The stator is arranged on the inner wall of the motor housing. Since the stator is composed of an iron core, a winding and other structures, a large amount of heat will be generated during use. The motor housing has a certain thickness, which affects the heat dissipation of the iron core and the winding, and affects the service life of the stator. Improvements are needed. Utility Model Content
[0004] The utility model aims to provide a three-slot DC iron core motor stator assembly to solve the problem in the background art that the DC motor stator generates large heat which cannot be discharged in time when working.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-slot DC iron core motor stator assembly, comprising an outer shell, the outer wall of the outer shell is a recessed structure, the inner wall of the outer shell is provided with a groove, a heat sink is fixedly connected to the inside of the groove, an iron core seat is fixedly connected to the inner wall of the outer shell, an iron core rod is arranged on the iron core seat, a winding coil is wound around the outer wall of the iron core rod, an iron core cover is connected to one end of the iron core rod, the iron core cover is attached to one end of the winding coil, and a through hole is provided on the iron core seat.
[0006] Preferably, the outer wall of the outer shell is provided with a heat dissipation groove, and the outer shell is integrally connected with the heat dissipation groove.
[0007] Preferably, the heat dissipation grooves are distributed in a circular shape with equal intervals about the outer wall of the housing, and support bars are provided in the intervals between the heat dissipation grooves.
[0008] Preferably, the core seat is integrally connected to the core rod, and a threaded hole is provided at one end of the core rod.
[0009] Preferably, one end of the core cover is fixedly connected to a connecting rod, and the connecting rod is threadedly connected to the core rod.
[0010] Preferably, a plurality of heat dissipation blocks are distributed in a circular shape with equal intervals about the inner wall of the shell, and the positions of the core seat and the heat dissipation blocks correspond to each other.
[0011] Preferably, the core seat is fixedly connected to the outer wall of the shell by screws.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] (1) The device can improve the heat dissipation effect and timely discharge most of the heat generated by the core seat, core rod, core cover and winding coil, thereby ensuring the service life of the core seat, core rod, core cover and winding coil.
[0014] (2) The device arranges the outer wall of the shell to be an inward-recessed structure, and installs a heat sink at a position corresponding to the inward-recessed position of the inner wall of the shell and the outer wall of the shell. The heat sink corresponds to the position of the core seat. Thus, when the core seat, winding coil, core rod and core cover generate heat, most of the heat can be quickly discharged, thereby improving the heat dissipation efficiency and ensuring the service life of the core seat, winding coil, core rod and core cover.
[0015] (3) The device can support the heat dissipation grooves by arranging support bars in the heat dissipation groove spacing of the outer wall of the outer shell, thereby improving the firmness of the outer shell without affecting the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of a stator assembly of a three-slot DC iron core motor of the utility model;
[0017] Figure 2 The utility model is a three-slot DC iron core motor stator assembly Figure 1 Enlarged view of point A in the middle;
[0018] Figure 3 This is a front view of the connection between the core seat and the core rod of a stator assembly of a three-slot DC core motor of the utility model;
[0019] Figure 4 The utility model is a top view of the connection between the iron core cover and the connecting rod of the stator assembly of a three-slot DC iron core motor.
[0020] In the figure: 1. outer shell; 2. winding coil; 3. core cover; 4. heat dissipation groove; 5. core seat; 6. support bar; 7. heat dissipation block; 8. core rod; 9. connecting rod. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4The utility model provides a technical solution: a three-slot DC iron core motor stator assembly, including an outer shell 1, the outer wall of the outer shell 1 is a recessed structure, the outer wall of the outer shell 1 is provided with a heat dissipation groove 4, and the outer shell 1 is integrally connected with the heat dissipation groove 4; the heat dissipation grooves 4 are distributed in a circular ring shape with equal spacing about the outer wall of the outer shell 1, and support bars 6 are provided in the spacing of the heat dissipation grooves 4; this structure can improve the stability of the device when placed by providing the heat dissipation grooves 4 while facilitating the heat dissipation of the outer shell 1; the heat dissipation grooves 4 can be supported by providing the support bars 6 to improve the firmness of the device; a groove is provided on the inner wall of the outer shell 1, a heat dissipation block 7 is fixedly connected inside the groove, an iron core seat 5 is fixedly connected to the inner wall of the outer shell 1, the iron core seat 5 is integrally connected with the iron core rod 8, and a threaded hole is provided at one end of the iron core rod 8; this structure facilitates the connection of the winding coil 2 with the iron core seat 5 by providing the iron core rod 8 on the iron core seat 5; the iron core seat 5 is provided with The core rod 8 has a winding coil 2 wound around its outer wall, and one end of the core rod 8 is connected to a core cover 3, and one end of the core cover 3 is fixedly connected to a connecting rod 9, which is threadedly connected to the core rod 8; the core cover 3 of this structure can be quickly connected or disassembled with the core rod 8; it is convenient to connect or disassemble the winding coil 2 with the core rod 8; the core cover 3 is attached to one end of the winding coil 2, and a through hole is provided on the core seat 5; the indented structure of the outer wall of the outer shell 1 of the device corresponds to the position of the heat sink 7, which can reduce the thickness of the outer wall of the outer shell 1, thereby increasing the heat dissipation efficiency of the heat sink 7; there are multiple heat sinks 7 distributed in a circular shape with equal spacing about the inner wall of the outer shell 1, and the core seat 5 corresponds to the position of the heat sink 7; this structure can dissipate the heat generated at the core seat 5 in time by setting the heat sink 7, thereby improving the heat dissipation effect; the core seat 5 is fixedly connected to the outer wall of the outer shell 1 by screws; this structure is convenient for fixing and disassembling the core seat 5.
[0023] Working principle: When using the three-slot DC iron core motor stator assembly, first fix the heat sink 7 to the inner wall of the outer shell 1 with screws, then install the winding coil 2 on the core rod 8 of the core seat 5, then make the connecting rod 9 of the core cover 3 correspond to the position of the core rod 8, then rotate the core cover 3 to make the connecting rod 9 threadedly connected to the core rod 8, and during the rotation of the connecting rod 9, the core cover 3 approaches one end of the winding coil 2, so that the core cover 3 limits the winding coil 2, and then use screws to fix the core seat 5 to the inner wall of the outer shell 1, so that the core seat 5 corresponds to the position of the heat sink 7. In the process of using this device, when heat is generated at the winding coil 2 and the core seat 5, the heat is accelerated through the heat sink 7 to be discharged to the outer wall of the outer shell 1 under the action of the heat sink 7, thereby improving the heat dissipation effect of the device.
[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A three-slot DC iron core motor stator assembly, comprising an outer shell (1), characterized in that: The outer wall of the outer shell (1) is in a recessed structure, the inner wall of the outer shell (1) is provided with a groove, a heat sink (7) is fixedly connected to the inside of the groove, the inner wall of the outer shell (1) is fixedly connected to an iron core seat (5), an iron core rod (8) is arranged on the iron core seat (5), a winding coil (2) is wound around the outer wall of the iron core rod (8), one end of the iron core rod (8) is connected to an iron core cover (3), the iron core cover (3) is attached to one end of the winding coil (2), and a through hole is provided on the iron core seat (5).
2. A three-slot DC iron core motor stator assembly according to claim 1, characterized in that: The outer wall of the outer shell (1) is provided with a heat dissipation groove (4), and the outer shell (1) and the heat dissipation groove (4) are integrally connected.
3. A three-slot DC iron core motor stator assembly according to claim 2, characterized in that: The heat dissipation grooves (4) are distributed in a circular shape at equal intervals with respect to the outer wall of the outer shell (1), and support bars (6) are provided in the intervals between the heat dissipation grooves (4).
4. The three-slot DC iron core motor stator assembly according to claim 1, characterized in that: The core seat (5) is integrally connected to the core rod (8), and a threaded hole is provided at one end of the core rod (8).
5. The three-slot DC iron core motor stator assembly according to claim 1, characterized in that: One end of the core cover (3) is fixedly connected to a connecting rod (9), and the connecting rod (9) is threadedly connected to the core rod (8).
6. The three-slot DC iron core motor stator assembly according to claim 1, characterized in that: A plurality of heat dissipation blocks (7) are distributed in a circular shape at equal intervals about the inner wall of the outer shell (1), and the positions of the core seat (5) and the heat dissipation blocks (7) correspond to each other.
7. The three-slot DC iron core motor stator assembly according to claim 1, characterized in that: The core seat (5) is fixedly connected to the outer wall of the outer shell (1) by means of screws.