Enameled wire breakage-proof injection wrapping stator

Abstract

The utility model discloses an enamelled wire fracture prevention injection package stator comprising a PCB, two sides of the PCB are provided with clamping holes, the PCB is connected with a skeleton through the clamping holes, the periphery of the skeleton is connected with a silicon steel ring, the skeleton is wound with a plurality of groups of enamelled wires, the skeleton is fixedly connected with an installation lug between adjacent enamelled wires, and the installation lug is internally provided with a PIN needle. The PCB is provided with a plurality of through holes matched with the PINs, the lower ends of the PINs penetrate out of the through holes and extend to the position below the PCB, the enameled wire is wound around the upper ends of the PINs, and the lower ends of the PINs are welded in the through holes. The mounting lugs are arranged on the periphery of the framework, the PINs are inserted into the mounting lugs, the PINs are located between every two adjacent enameled wires, winding of the enameled wires is facilitated, the lower ends of the PINs penetrate out of the PCB, the enameled wires are wound on the upper portions of the PINs, no enameled wire exists at the end where the PCB is welded, and the risk that the enameled wires at the welding roots of the PINs are broken is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field, concretely is a kind of enameled wire fracture prevention of shooting package stator. BACKGROUND

[0002] Fan is mainly used for cooling, and it has stator and rotor. Figure 5 As shown in the schematic diagram of the existing shooting package stator, the upper end of the PIN needle extends outside the framework, the root of the PIN needle is welded to the PCB board, and the PIN needle is located on the central axis of the corresponding enameled wire. This architecture can cause the enameled wire to break at the welding root of the PIN needle, resulting in the failure of the fan function. SUMMARY

[0003] To solve the problem of the enameled wire breaking at the welding root of the PIN needle mentioned in the background art, the utility model provides a shooting package stator to prevent enameled wire from breaking.

[0004] To solve the above technical problems, the utility model provides the following technical scheme:

[0005] A shooting package stator to prevent enameled wire from breaking includes a PCB board, two sides of the PCB board are provided with clamping holes, and a framework is connected through the clamping holes. A silicon steel ring is connected to the periphery of the framework. A plurality of groups of enameled wires are wound on the framework. Mounting ears are fixedly connected between adjacent enameled wires on the framework. PIN needles are installed in the mounting ears. A plurality of through holes matching the PIN needles are formed on the PCB board. The lower ends of the PIN needles pass through the through holes and extend below the PCB board. The enameled wires are wound around the upper ends of the PIN needles. The lower ends of the PIN needles are welded in the through holes.

[0006] Preferably, the framework includes a sleeve, a first groove is formed on the inner wall of the sleeve, a plurality of square tubes are fixedly connected to the outer wall of the sleeve and communicate with the first groove, arc-shaped plates are connected to the outer ends of the square tubes, an opening is formed in the center of the arc-shaped plate and communicates with the square tube, a second groove is formed on the outer wall of the arc-shaped plate, a positioning rod aligned with the opening is fixedly connected in the second groove, and the enameled wires are wound around the square tubes. The lower ends of two opposite arc-shaped plates are connected to clamping blocks, and the clamping blocks are welded in the clamping holes.

[0007] Preferably, the silicon steel ring includes a one-piece sleeve, connecting blocks and arc-shaped blocks. The sleeve is clamped in the first groove. The connecting blocks correspond to the sleeves one by one, and are located in the corresponding sleeves. The arc-shaped blocks are clamped in the second groove. Positioning holes are formed in the arc-shaped blocks, and the positioning rods are inserted into the positioning holes.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] By setting mounting lug on the periphery of the framework, the PIN needle is inserted into the mounting lug, so that the PIN needle is located between two adjacent enameled wires, the winding of the enameled wire is facilitated, and the lower end of the PIN needle is penetrated by the PCB plate, the enameled wire is wound on the upper part of the PIN needle, and the enameled wire is not welded on the end of the PCB plate, so that the risk of enameled wire breakage at the root of the PIN needle welding is effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structural schematic view of the utility model;

[0011] Figure 2 It is a schematic view of the framework;

[0012] Figure 3 It is a schematic view of the silicon steel ring;

[0013] Figure 4 It is a schematic view of the PCB plate;

[0014] Figure 5 It is a schematic view of the existing enameled stator;

[0015] In the drawing: 1-PCB plate, 2-framework, 201-sleeve, 202-first recess, 203-square tube, 204-arc plate, 205-opening, 206-second recess, 207-positioning rod, 208-clamping block, 3-silicon steel ring, 301-sleeve ring, 302-connection block, 303-arc block, 304-positioning hole, 4-enameled wire, 5-mounting lug, 6-PIN needle, 7-clamping hole, 8-through hole. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Embodiment 1

[0018] Please refer to Figures 1-4The application discloses a kind of enameled wire breakage-resistant enameled wire stator, including PCB board 1, two sides on PCB board 1 are equipped with clamping hole 7, and are connected with framework 2 by clamping hole 7, the periphery of framework 2 is connected with silicon steel ring 3, multiple groups of enameled wire 4 are wound on framework 2, mounting lug 5 is fixedly connected between adjacent enameled wire on framework 2, PIN pin 6 is installed in mounting lug 5, multiple through holes matched with PIN pin 6 are formed in PCB board 1, the lower end of PIN pin 6 is passed through through hole 8 and extends to the lower side of PCB board 1, enameled wire 4 is wound on the upper end of PIN pin 6, and the lower end of PIN pin 6 is welded in the through hole 8 of PCB board 1.

[0019] By setting mounting lug 5 on the periphery of framework 2, PIN pin 6 is inserted into mounting lug 5, so that PIN pin 6 is located between the adjacent two enameled wires 4, the winding of enameled wire 4 is facilitated, the lower end of PIN pin 6 is passed through PCB board 1, enameled wire 4 is wound on the upper part of PIN pin 6, and PIN pin 6 is welded to the end of PCB board 1 without enameled wire, so that the risk of broken enameled wire at the root of PIN pin 6 is effectively solved.

[0020] Embodiment 2

[0021] On the basis of embodiment 1, the framework 2 includes a sleeve 201, the inner wall of the sleeve 201 is provided with a first recess 202, the outer wall of the sleeve 201 is fixedly connected with multiple square tubes 203 in communication with the first recess, the outer end of the square tube 203 is connected with an arc-shaped plate 204, the center of the arc-shaped plate 204 is provided with an opening 205 in communication with the square tube, the outer wall of the arc-shaped plate 204 is provided with a second recess 206, the second recess 206 is fixedly connected with a positioning rod 207 aligned with the opening, and the enameled wire 4 is wound on the square tube 203, wherein the lower end of two opposite arc-shaped plates 204 is connected with a clamping block 208, and the clamping block 208 is welded in the clamping hole of the PCB board 1. The silicon steel ring 3 includes an integrally formed sleeve ring 301, a connecting block 302 and an arc-shaped block 303, the sleeve ring 301 is clamped in the first recess 202, the connecting block 302 corresponds to the sleeve 201 one by one, and the connecting block 302 is located in the corresponding sleeve 201, the arc-shaped block 303 is clamped in the second recess 206, and the arc-shaped block 303 is provided with a positioning hole 304, and the positioning rod 207 is inserted in the positioning hole 304.

[0022] The sleeve ring 301 at the inner end of the silicon steel ring is clamped in the first recess 202, the connecting block 302 is located in the square tube 203, and the arc-shaped block 303 is clamped in the second recess 206, and the positioning rod 207 is inserted in the positioning hole 304, so that the stability of the connection between the silicon steel ring 3 and the framework 2 is improved, and the silicon steel ring is prevented from deviating, shaking or falling off.

[0023] It is to be understood that the terms "including", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0024] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A shot-molded stator for preventing enameled wire breakage, characterized in that: The PCB board (1) has slots (7) on both sides and a frame (2) is connected through the slots. A silicon steel ring (3) is connected to the periphery of the frame (2). Multiple sets of enameled wires (4) are wound on the frame (2). Mounting ears (5) are fixedly connected between adjacent enameled wires on the frame (2). PIN pins (6) are installed in the mounting ears (5). Multiple through holes (8) matching the PIN pins (6) are opened on the PCB board (1). The lower end of the PIN pin (6) passes through the through hole and extends to the bottom of the PCB board (1). The enameled wires (4) are wound around the upper end of the PIN pins (6). The lower end of the PIN pins (6) is soldered into the through hole of the PCB board (1).

2. The injection-molded stator for preventing enameled wire breakage according to claim 1, characterized in that: The frame (2) includes a sleeve (201), the inner wall of the sleeve (201) is provided with a first groove (202), the outer wall of the sleeve (201) is fixedly connected with a plurality of square tubes (203) communicating with the first groove, the outer end of the square tube (203) is connected with an arc plate (204), the center of the arc plate (204) is provided with an opening (205) communicating with the square tube, the outer wall of the arc plate (204) is provided with a second groove (206), the second groove (206) is fixedly connected with a positioning rod (207) aligned with the opening, the enameled wire (4) is wound on the square tube (203), and the lower ends of two opposite arc plates (204) are connected with a locking block (208), the locking block (208) is welded to the locking hole of the PCB board (1).

3. A stator for preventing enameled wire breakage according to claim 2, characterized in that: The silicon steel ring (3) includes an integrally formed collar (301), a connecting block (302) and an arc-shaped block (303). The collar (301) is fitted in the first groove (202). The connecting block (302) corresponds one-to-one with the sleeve (201) and the connecting block (302) is located in the corresponding sleeve (201). The arc-shaped block (303) is fitted in the second groove (206). A positioning hole (304) is provided on the arc-shaped block (303) and a positioning rod (207) is inserted into the positioning hole (304).

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