Lead baffle outgoing structure and motor thereof
By introducing an arc-shaped lead wire baffle structure into the motor, the problem of loose lead wire connection between the terminal block and the controller was solved, achieving better insulation.
Patent Information
- Application Number
- CN202520410992.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
In existing encapsulated motors, the lead connection between the terminals and the controller lacks constraint, resulting in loosening and poor insulation.
A lead wire baffle structure was designed, including an arc-shaped lead wire baffle body and several lead wire outlet holes. The lead wire baffle fits tightly with the injection-molded stator of the motor to constrain the motor leads and enhance the insulation effect.
It effectively prevents the lead wires from coming loose, enhances the insulation strength of the solder joints at the terminals, and improves the overall insulation performance of the motor.
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Figure CN223912360U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lead baffle wire outlet structure and motor thereof. BACKGROUND
[0002] The existing plastic package motor in the market is generally composed of an injection molded stator, a rotor assembly, a controller and a rear end cover. The injection molded stator is composed of a stator assembly, a terminal and a terminal cover plate. The terminal cover plate is used to fix and clamp the terminal and support the controller.
[0003] Since there is no constraint component or structure to constrain and fix the lead connection between the existing terminal and the controller, the terminal soldering position is prone to loosening, and the insulation effect is poor. SUMMARY
[0004] The utility model discloses a kind of lead baffle wire outlet structure and motor thereof, solve the technical problem that the lead connection between the existing terminal and the controller in prior art has no constraint component or structure to constrain and fix, terminal soldering position is prone to loosening, and the insulation effect is poor.
[0005] The technical scheme of the utility model is realized as follows:
[0006] The utility model provides a kind of lead baffle wire outlet structure, it is characterized by including lead baffle body, lead baffle body is arc, the inner wall surface of lead baffle body is equipped with opening, lead baffle body is equipped with several lead holes that can be used for motor lead to pass through near opening, several lead holes are communicated with opening.
[0007] The outer wall surface of the above-mentioned lead baffle body protrudes several convex parts.
[0008] The bottom surface of the above-mentioned lead baffle body and several convex parts is excavated with the recess that is communicated.
[0009] A motor, comprising a lead baffle body, a rotating shaft, a rotor assembly, a plastic encapsulation stator, a front end cover and a rear end cover, the plastic encapsulation stator comprising a plastic encapsulation body, a stator core, an end insulation and a coil winding, the plastic encapsulation body integrally injection-molding the stator core, the end insulation and the coil winding, a cavity for mounting the rotor assembly being formed in the plastic encapsulation stator, the top and bottom of the plastic encapsulation body being provided with an upper port and a lower port, the front end cover being injection-molded at the upper port, the rear end cover being mounted on the lower port and covering the lower port, the rotating shaft and the rotor assembly being mounted and connected together, the plastic encapsulation stator being sleeved outside the rotor assembly, the two ends of the rotating shaft being respectively supported on bearings of the front end cover and the rear end cover, characterized in that the lead baffle body is the lead baffle outlet structure as described above, the plastic encapsulation body is provided with a mounting groove at the edge of the lower port, the lead baffle body is mounted in the mounting groove, an insulation end plate is mounted on the end insulation, a plurality of terminal connectors are mounted on the end insulation, one end of each of the terminal connectors is electrically connected with the coil winding, the other end of each of the terminal connectors extends out from the bottom of the mounting groove of the plastic encapsulation body through the insulation end plate and is electrically connected with a motor lead, and the motor lead extends out from a lead outlet hole of the lead baffle body.
[0010] The edge of the mounting groove is provided with a plurality of notches, the outer wall surface of the lead baffle body is provided with a plurality of convex portions, and when the lead baffle body is mounted in the mounting groove, the convex portions are embedded in the notches.
[0011] The insulation end plate is respectively provided with a first mounting bushing and a second mounting bushing, the end of each of the first mounting bushing and the second mounting bushing is provided with a first mounting hole and a second mounting hole, and the end of each of the first mounting bushing and the second mounting bushing is exposed outside the plastic encapsulation body.
[0012] The rear end cover is provided with a plurality of third mounting holes, the plurality of third mounting holes correspond to the plurality of first mounting holes one by one, a screw is locked and connected through the third mounting hole and the first mounting hole, so that the rear end cover is fixed on the lower port and covers the lower port.
[0013] The controller is mounted on the bottom of the plastic encapsulation body, the motor controller comprises a control box and a control circuit board mounted in the control box, the control box is provided with a plurality of fourth mounting holes, the fourth mounting holes correspond to the second mounting holes one by one, a screw is locked and connected through the fourth mounting hole and the second mounting hole, so that the control box is fixed on the plastic encapsulation body.
[0014] A sealing ring is arranged between the control box and the plastic encapsulation body, and the sealing ring is arranged at the outer edge of the plastic encapsulation body and covers the plurality of convex portions of the outer wall surface of the lead baffle body.
[0015] Compared with the prior art, the utility model has the following advantages:
[0016] 1. A lead baffle wire-out structure, comprising a lead baffle body, the lead baffle body being arc-shaped, an inner wall surface of the lead baffle body being provided with an opening, the lead baffle body being provided near the opening with a plurality of lead-out holes through which motor leads can pass, the plurality of lead-out holes being in communication with the opening, the motor leads being constrained by the lead baffle wire-out structure, the lead baffle wire-out structure being tightly fitted with an injection molded stator of a motor, and playing a role of protecting and constraining the leads and enhancing the insulation strength of a terminal wire bonding site.
[0017] 2. Other advantages of the present application are described in detail in the embodiment part of the specification. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 a perspective view provided for the first embodiment of the present application;
[0019] Figure 2 another angle perspective view provided for the first embodiment of the present application;
[0020] Figure 3 a perspective view provided for the second embodiment of the present application;
[0021] Figure 4 an exploded view of a motor and a controller provided for the second embodiment of the present application;
[0022] Figure 5 a partial exploded view provided for the second embodiment of the present application;
[0023] Figure 6 a partial structure schematic view provided for the second embodiment of the present application;
[0024] Figure 7 an exploded view of a motor provided for the second embodiment of the present application;
[0025] Figure 8 a front view provided for the second embodiment of the present application;
[0026] Figure 9 a Figure 8 sectional view along A-A. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.
[0028] Embodiment one:
[0029] As Figures 1 to 2 shown, the embodiment provides a lead baffle wire-out structure, characterized in that: comprising a lead baffle body 1, the lead baffle body 1 is arc-shaped, the inner wall surface of the lead baffle body 1 is provided with an opening 11, the lead baffle body 1 is provided with a plurality of lead-out holes 12 near the opening 11 for motor lead wires to pass through, the plurality of lead-out holes 12 are communicated with the opening 11, the motor lead wires are constrained through the lead baffle wire-out structure, the lead baffle wire-out structure is closely matched with the injection molded stator of the motor, plays the role of protection, constraint of lead wires, and enhancement of terminal welding position insulation strength.
[0030] The outer wall surface of the above-mentioned lead baffle body 1 is provided with a plurality of convex parts 13, which facilitates installation and cooperation with the motor, and the structure arrangement is reasonable.
[0031] The bottom surface of the above-mentioned lead baffle body 1 and the plurality of convex parts 13 is provided with a communicating groove 14, which saves cost.
[0032] Embodiment two:
[0033] As Figures 1 to 9 shown, a motor comprises a lead baffle body 1, a rotating shaft 2, a rotor assembly 3, a plastic encapsulated stator 4, a front end cover 5 and a rear end cover 6, the plastic encapsulated stator 4 comprises a plastic encapsulated body 41, a stator core 42, an end insulation 43 and a coil winding 44, the plastic encapsulated body 41 integrally injection molds the stator core 42, the end insulation 43 and the coil winding 44, the plastic encapsulated stator 4 forms a cavity 40 in the middle for installing the rotor assembly 3, the top and bottom of the plastic encapsulated body 41 are provided with an upper port 411 and a lower port 412, the front end cover 5 is injection molded at the upper port 411, the rear end cover 6 is installed on the lower port 412 and covers the lower port 412, the rotating shaft 2 and the rotor assembly 3 are installed and connected together, the plastic encapsulated stator 4 is sleeved outside the rotor assembly 3, the two ends of the rotating shaft 2 are respectively supported on the bearings of the front end cover 5 and the rear end cover 6, and the motor is characterized in that: the lead baffle body 1 is the lead baffle wire-out structure described in embodiment one, the plastic encapsulated body 41 is provided with a mounting groove 413 at the edge of the lower port 412, the lead baffle body 1 is installed in the mounting groove 413, an insulation end plate 430 is installed on the end insulation, a plurality of terminal connectors 45 are installed on the end insulation 43, one end of each of the plurality of terminal connectors 45 is electrically connected with the coil winding 44, the other end of each of the plurality of terminal connectors 45 passes through the insulation end plate 430, extends out from the bottom of the mounting groove 413 of the plastic encapsulated body 41 and is electrically connected with a motor lead wire respectively, the motor lead wire passes out from the lead-out hole 12 of the lead baffle body 1, the motor lead wire is constrained through the lead baffle wire-out structure, the lead baffle wire-out structure is closely matched with the injection molded stator of the motor, plays the role of protection, constraint of lead wires, and enhancement of terminal welding position insulation strength.
[0034] The edges of the mounting groove 413 are provided with a plurality of notches 414, and the outer wall surface of the lead baffle body 1 protrudes a plurality of protrusions 13, when the lead baffle body 1 is mounted in the mounting groove 413, the protrusions 13 are embedded in the notches 414, the mounting structure is reasonable in arrangement, and the positioning effect is good.
[0035] The insulating end plate 430 is provided with a first mounting bushing 431 and a second mounting bushing 432, respectively, and the end portions of the first mounting bushing 431 and the second mounting bushing 432 are provided with a first mounting hole 4311 and a second mounting hole 4321, respectively.
[0036] The rear end cover 6 is provided with a plurality of third mounting holes 61, and the plurality of third mounting holes 61 correspond to the plurality of first mounting holes 4311 one by one, and are locked and connected by screws passing through the third mounting holes 61 and the first mounting holes 4311, so that the rear end cover 6 is fixed on the lower port 412 and covers the lower port 412, and the mounting structure is reasonable in arrangement.
[0037] The controller 7 is further arranged, the controller 7 is mounted at the bottom of the plastic package body 41, the motor controller 7 comprises a control box 71 and a control circuit board 72 mounted in the control box 71, and the control box 71 is provided with a plurality of fourth mounting holes 711 corresponding to the second mounting holes 4321 one by one, and is locked and connected by screws passing through the fourth mounting holes 711 and the second mounting holes 4321, so that the control box 71 is fixed on the plastic package body 41.
[0038] The control box 711 and the plastic package body 41 are provided with a sealing ring 8, the sealing ring 8 is arranged at the outer edge of the plastic package body and covers the plurality of protrusions 13 protruding from the outer wall surface of the lead baffle body 1, the lead baffle outlet structure is flush with the plastic package body 41, and a plane is formed for mounting the sealing ring between the single machine and the controller, and the structure is reasonable in arrangement.
[0039] The above embodiments are preferred embodiments of the present application, but the embodiments of the present application are not limited thereto, and any changes, modifications, substitutions, combinations and simplifications made without departing from the spirit and principles of the present application are equivalent replacement modes, and are all included in the protection scope of the present application.
Claims
1. A lead wire baffle outlet structure, characterized in that: Includes a lead wire baffle body (1), which is arc-shaped. The inner wall of the lead wire baffle body (1) is provided with an opening (11). Near the opening (11), the lead wire baffle body (1) is provided with several lead wire outlet holes (12) through which motor leads can pass. The several lead wire outlet holes (12) are connected to the opening (11).
2. The lead wire baffle outlet structure according to claim 1, characterized in that: The outer wall surface of the lead wire baffle body (1) has several protrusions (13).
3. The lead wire baffle outlet structure according to claim 2, characterized in that: The bottom surfaces of the lead wire baffle body (1) and several protrusions (13) are provided with interconnected grooves (14).
4. An electric motor, comprising a lead wire baffle body (1), a rotating shaft (2), a rotor assembly (3), a plastic-encapsulated stator (4), a front end cover (5), and a rear end cover (6), wherein the plastic-encapsulated stator (4) comprises a plastic encapsulation body (41), a stator core (42), end insulation (43), and a coil winding (44), wherein the plastic encapsulation body (41) injection molds the stator core (42), end insulation (43), and coil winding (44) into one piece, and a cavity (4) is formed in the middle of the plastic-encapsulated stator (4) for mounting the rotor assembly (3). 0), the top and bottom of the encapsulated body (41) are provided with an upper port (411) and a lower port (412), the front end cover (5) is injection molded at the upper port (411), the rear end cover (6) is installed on the lower port (412) and seals the lower port (412), the rotating shaft (2) and the rotor assembly (3) are installed and connected together, the encapsulated stator (4) is sleeved on the outside of the rotor assembly (3), and the two ends of the rotating shaft (2) are respectively supported on the bearings of the front end cover (5) and the bearings of the rear end cover (6), characterized in that: The lead wire baffle body (1) is the lead wire baffle outlet structure according to any one of claims 1 to 3. The encapsulated body (41) is provided with an installation groove (413) at the edge of the lower port (412). The lead wire baffle body (1) is installed in the installation groove (413). An insulating end plate (430) is installed on the end insulation (43). A plurality of terminals (45) are installed on the end insulation (43). One end of the plurality of terminals (45) is electrically connected to the coil winding (44) respectively, and the other end passes through the insulating end plate (430) and extends out from the bottom of the installation groove (413) of the encapsulated body (41) and is electrically connected to the motor lead wire respectively. The motor lead wire passes out from the lead wire outlet hole (12) of the lead wire baffle body (1).
5. The motor according to claim 4, characterized in that: The edge of the mounting groove (413) is provided with several notches (414), and the outer wall surface of the lead wire baffle body (1) protrudes with several protrusions (13). When the lead wire baffle body (1) is installed in the mounting groove (413), the protrusions (13) are embedded in the notches (414).
6. The motor according to claim 4, characterized in that: The insulating end plate (430) is provided with a first mounting bushing (431) and a second mounting bushing (432) protruding respectively. The ends of the first mounting bushing (431) and the second mounting bushing (432) are respectively provided with a first mounting hole (4311) and a second mounting hole (4321). The ends of the first mounting bushing (431) and the second mounting bushing (432) are exposed outside the plastic seal (41).
7. The motor according to claim 6, characterized in that: The rear end cover (6) is provided with several third mounting holes (61), which correspond one-to-one with several first mounting holes (4311). The screws pass through the third mounting holes (61) and lock them to the first mounting holes (4311), so that the rear end cover (6) is fixed on the lower port (412) and the lower port (412) is sealed.
8. The motor according to claim 7, characterized in that: It also includes a controller (7), which is installed at the bottom of the encapsulated body (41). The motor controller (7) includes a control box (71) and a control circuit board (72) installed inside the control box (71). The control box (71) is provided with several fourth mounting holes (711). The fourth mounting holes (711) correspond one-to-one with the second mounting holes (4321). The control box (71) is fixed on the encapsulated body (41) by screws passing through the fourth mounting holes (711) and locking them with the second mounting holes (4321).
9. The motor according to claim 8, characterized in that: A sealing ring (8) is provided between the control box (71) and the plastic encapsulation body (41). The sealing ring (8) is arranged at the outer edge of the plastic encapsulation body and covers the outer wall surface of the lead wire baffle body (1) with several protrusions (13).