Novel pin
Through the design of the new pin, including the structure of the Z-shaped plate and the clamping plate, and the spot welding connection with the stator core, the problem of the copper pin structure not being conductive after the aging of the BMC injection molded stator is solved, and the stability and life of the motor are improved.
Patent Information
- Application Number
- CN202421284867.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-06
AI Technical Summary
In the prior art, the old copper needle structure cannot be turned on after the aging of the BMC injection molded stator, which affects the stability and life of the motor. Especially in extreme use environments, the motor's anti-electrocorrosion ability is insufficient.
采用新型插针,包括Z型板、卡板、连接板、斜板和安装板,通过点焊连接安装板与定子铁芯侧壁,并通过卡板与大端盖的贴合,确保定子铁芯与大端盖的导通稳定性。
It enhances the stability of the motor's anti-electrocorrosion function, improves the life of the motor, and solves the problem that the copper needle structure cannot be turned on after the aging of the BMC injection molded stator.
Smart Images

Figure CN222620197U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motors, in particular to a novel plug pin. Background Art
[0002] Against the backdrop of increasingly prominent energy and environmental issues, energy conservation, emission reduction and low-carbon living have become a global consensus. In recent years, under the guidance of national energy conservation and environmental protection policies and the promotion of energy conservation and people-benefiting subsidy policies, frequency conversion technology and clean heating methods have continued to develop. The release of the new version of "Energy Efficiency Limit Values and Energy Efficiency Grades for Room Air Conditioners" has accelerated the rapid clearance of low-efficiency products in my country's air-conditioning industry, the rapid improvement of energy efficiency levels and the popularization of frequency conversion products, which will also directly drive the development of air-conditioning in the market towards high efficiency, energy saving and environmental protection.
[0003] Under the market environment, the application scope of plastic-encapsulated brushless motors is becoming wider and wider, which in turn leads to higher requirements for the stability and life of the motors. At the same time, the operating environment of the motors is becoming more and more extreme, and the requirements for the life of the motor bearings are rapidly increasing. The motor's anti-electrolytic corrosion ability is gradually becoming more prominent. Utility Model Content
[0004] The utility model aims to solve the shortcomings of the prior art and provides a new type of plug pin.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A new type of pin, comprising:
[0007] The pin body comprises a Z-shaped plate, the upper end of which is fixedly connected to a card plate, the lower side wall of which is fixedly connected to a connecting plate, the side wall of which is close to the card plate is fixedly connected to an inclined plate, and the lower end of which is fixedly connected to a mounting plate.
[0008] Preferably, it also includes a large end cover, a BMC injection-molded stator and a stator core, the large end cover is connected to the BMC injection-molded stator by riveting, and the stator core is installed inside the BMC injection-molded stator.
[0009] Preferably, the pin body is located between the large end cover and the BMC injection-molded stator, the side wall of the mounting plate is spot-welded to the side wall of the stator core, and the top of the large end cover is fitted to the upper surface of the card plate.
[0010] Preferably, the Z-shaped plate, the clamping plate, the connecting plate, the inclined plate and the mounting plate are all made of metal materials.
[0011] The utility model has the following beneficial effects:
[0012] The side wall of the mounting plate is spot welded to the side wall of the stator core, and the clamping plate is connected to the top of the large end cover, so that the conduction stability between the stator core and the large end cover is increased, the stability of the motor's anti-electrocorrosion function is enhanced, the life of the motor is improved, and at the same time the problem of the old copper needle structure being unable to conduct due to the aging of the BMC injection molded stator is solved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of a new type of plug proposed by the utility model;
[0014] Figure 2 for Figure 1 A vertical cross-sectional structural schematic diagram of ;
[0015] Figure 3 for Figure 2 A schematic diagram of the structure of the connection between the middle pin body and the stator core;
[0016] Figure 4 for Figure 2 Schematic diagram of the structure of the middle pin body.
[0017] In the figure: 1. large end cover; 2. BMC injection molded stator; 3. stator core; 4. pin body; 41. Z-shaped plate; 42. clamping plate; 43. connecting plate; 44. inclined plate; 45. mounting plate. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] Reference Figure 1-4 A new type of plug includes a plug body 4, which includes a Z-shaped plate 41. A clamping plate 42 is fixedly connected to the upper end of the Z-shaped plate 41, a connecting plate 43 is fixedly connected to the lower side wall of the Z-shaped plate 41, an inclined plate 44 is fixedly connected to the side wall of the connecting plate 43 close to the clamping plate 42, and a mounting plate 45 is fixedly connected to the lower end of the inclined plate 44. The Z-shaped plate 41, the clamping plate 42, the connecting plate 43, the inclined plate 44 and the mounting plate 45 are all made of metal materials.
[0020] It comprises a large end cover 1 , a BMC injection-molded stator 2 and a stator core 3 . The large end cover 1 is connected to the BMC injection-molded stator 2 by riveting, and the stator core 3 is installed inside the BMC injection-molded stator 2 .
[0021] The pin body 4 is located between the large end cover 1 and the BMC injection molded stator 2 , the side wall of the mounting plate 45 is spot welded to the side wall of the stator core 3 , and the top of the large end cover 1 is fitted to the upper surface of the clamping plate 42 .
[0022] In the utility model, the side wall of the mounting plate 45 and the side wall of the stator core 3 are connected after spot welding, and the large end cover 1 will compress the clamping plate 42 to deform after being riveted into the BMC injection molded stator 2, thereby forming a conductive relationship, so that the conductive stability of the stator core 3 and the large end cover 1 is increased, the stability of the motor's anti-electrolytic corrosion function is enhanced, the life of the motor is improved, and at the same time the problem of the old copper needle structure being unable to be conductive caused by the aging of the BMC injection molded stator 2 is solved.
[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A new type of pin, characterized in that: include: The pin body (4) comprises a Z-shaped plate (41), the upper end of the Z-shaped plate (41) is fixedly connected to a clamping plate (42), a connecting plate (43) is fixedly connected below the side wall of the Z-shaped plate (41), a slanted plate (44) is fixedly connected to the side wall of the connecting plate (43) close to the clamping plate (42), and a mounting plate (45) is fixedly connected to the lower end of the slanted plate (44).
2. A new type of pin according to claim 1, characterized in that: It also comprises a large end cover (1), a BMC injection-molded stator (2) and a stator core (3), wherein the large end cover (1) and the BMC injection-molded stator (2) are connected by riveting, and the stator core (3) is installed inside the BMC injection-molded stator (2).
3. A new type of pin according to claim 2, characterized in that: The pin body (4) is located between the large end cover (1) and the BMC injection molded stator (2), the side wall of the mounting plate (45) is spot welded to the side wall of the stator core (3), and the top of the large end cover (1) is in contact with the upper surface of the clamping plate (42).
4. A novel plug pin according to claim 1, characterized in that: The Z-shaped plate (41), the clamping plate (42), the connecting plate (43), the inclined plate (44) and the mounting plate (45) are all made of metal materials.