Fastening device for wire outlet plate
By injecting an O-shaped copper ring into the hollow cylinder of the outlet wire row to clamp the enameled wire, the problems of large copper volume, complex process and enameled wire expansion and contraction in the PIN structure of the permanent magnet synchronous motor outlet wire are solved, achieving a low-cost and efficient fastening effect.
Patent Information
- Application Number
- CN202422918614.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The existing permanent magnet synchronous motor's output PIN structure has problems such as high copper usage, complicated process steps and high cost. In addition, the direct enameled wire lead-out structure causes the motor's external enameled wire to easily expand and contract under stress, resulting in different lengths and the internal enameled wire to easily break.
An O-shaped copper ring is embedded in the hollow cylinder of the outlet wire bar, and the enameled wire is clamped by injection molding, which simplifies the process steps and reduces costs, while solving the problem of enameled wire expansion and contraction under stress.
The process steps are simplified, costs are reduced, the expansion and contraction problem of the motor's external enameled wire is effectively avoided, and the product qualification rate is improved.
Smart Images
Figure CN223451714U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wire-out plate technical field, specifically, relate to a wire-out plate fastening device. BACKGROUND
[0002] The wire-out PIN structure of permanent magnet synchronous motor is often two kinds, the first kind is that the internal stage enameled wire is guided to the winding by resistance welding with copper bar, the second kind is that the enamelated wire is directly led out from the inside by the wire-out row of injection molding part. The copper bar structure is relative to the enameled wire direct lead-out structure, and the copper amount is more, the process step is complicated, and the cost is higher. However, the structure of enameled wire direct lead-out, the enameled wire outside the motor is easy to stretch up and down under stress, leading to the problems of three-phase or six-phase enameled wire of different lengths, not meeting the tolerance range, internal enameled wire breaking, etc. There is no effective solution to the above problems at home and abroad.
[0003] In view of the above problems, the utility model provides a wire-out plate fastening device to solve the above problems. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a wire-out plate fastening device, which is used to solve the problems of the existing wire-out PIN structure guided by resistance welding with copper bar to the winding, more copper amount, complicated process steps and high cost, and the enameled wire directly led out from the inside by the wire-out row of injection molding part, the enameled wire outside the motor is easy to stretch up and down under stress, leading to the problems of three-phase or six-phase enameled wire of different lengths, not meeting the tolerance range, internal enameled wire breaking, etc.
[0005] The utility model is realized as follows:
[0006] A wire-out plate fastening device, comprising an O-shaped copper ring, an enameled wire and a wire-out row, a plurality of hollow cylinders are fixedly installed on one side of the wire-out row, a through groove is arranged in the middle of the hollow cylinder, the O-shaped copper ring is fixedly installed in the through groove, and the O-shaped copper ring is embedded in the inside of the through groove; the enameled wire extends from one end of the hollow cylinder to the other end and penetrates through the O-shaped copper ring.
[0007] Preferably, the hollow cylinder is a conical structure.
[0008] Preferably, the hollow cylinder is provided with six.
[0009] Preferably, the middle part of the O-shaped copper ring in the length direction is pressed on the enameled wire.
[0010] Preferably, the O-shaped copper ring is prepared by injection molding.
[0011] Preferably, after the outlet row assembly is fixed with the stator, the enameled wire is led out from the hollow cylinder of the outlet row, and then pressure is applied to the two ends of the O-shaped copper ring to clamp and press on the enameled wire.
[0012] The beneficial effects of the utility model relative to the prior art are:
[0013] 1. The utility model discloses a fastening device for outlet board, through the structure that O-shaped copper ring clamping enameled wire is set in the hollow cylinder of outlet row, simple process steps, low in cost, effectively avoid the current outlet PIN structure through copper resistance welding and guide current to the winding, more copper, complicated process steps, higher cost, meanwhile, the O-shaped copper ring is embedded in the inside of the outlet row, the middle part of the length direction of the O-shaped copper ring is pressed on the enameled wire, effectively solve the problem that the six-phase enameled wire of motor external force expansion, long and short, reduce the unqualified rate of motor. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should be understood, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings.
[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model discloses a fastening device for outlet board;
[0016] Figure 2 It is a front view structure schematic view of the utility model discloses a fastening device for outlet board;
[0017] Figure 3 It is a three-dimensional structure schematic view of O-shaped copper ring and enameled wire in the utility model discloses a fastening device for outlet board;
[0018] Figure 4 It is a front view structure schematic view of O-shaped copper ring and enameled wire of the utility model discloses a fastening device for outlet board.
[0019] In the drawing: 1, O-shaped copper ring;2, enameled wire;3, outlet row;4, hollow cylinder;5, through slot. DETAILED DESCRIPTION
[0020] It is to be first noted that in the various described embodiments identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained in the entire description is to be applied meaningfully to the identical components having identical reference numerals or identical component names. The chosen position indications in the description, for example, above, below, lateral, and the like, also refer to the directly described and shown figures and are to be applied meaningfully to the new position in the event of a change in position.
[0021] Embodiment I:
[0022] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0023] A fastening device for an outlet plate, comprising an O-shaped copper ring 1, an enameled wire 2 and an outlet row 3.
[0024] As Figure 1 shown, the outlet row 3 is fixedly installed with six hollow cylinders 4 of conical structure on one side, and the middle part of the hollow cylinder 4 is provided with a through slot 5.
[0025] As Figure 2 shown, the O-shaped copper ring 1 is injection molded in the hollow cylinder 4 of the outlet row 3, and the O-shaped copper ring 1 is embedded inside the through slot 5; the enameled wire 2 extends from one end to the other end of the hollow cylinder 4 and passes through the O-shaped copper ring 1.
[0026] As Figures 3-4 shown, the middle part of the O-shaped copper ring 1 in the length direction is pressed on the enameled wire 2.
[0027] As a preferred use of the utility model, after the outlet row 3 is assembled with the stator, the enameled wire 2 is led out from the winding through the hollow cylinder 4 of the outlet row 3, and then pressure is applied to both ends of the O-shaped copper ring 1 to clamp and press on the enameled wire 2.
[0028] The technical principle of the utility model is that:
[0029] The structure of injection molding the O-shaped copper ring 1 in the hollow cylinder 4 to clamp the enameled wire 2 is simple in process steps and low in cost, effectively avoids the existing outlet PIN structure which guides the current to the winding by resistance welding with the copper bar, uses more copper, is complicated in process steps and high in cost; at the same time, the O-shaped copper ring 1 is embedded inside the outlet row 3, the middle part of the O-shaped copper ring 1 in the length direction is pressed on the enameled wire 2, effectively solves the problems of stress expansion and contraction, and length difference of the six-phase enameled wire outside the motor, and reduces the unqualified rate of the motor.
[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fastening device for an outlet board, comprising an O-shaped copper ring (1), an enameled wire (2) and an outlet row (3); a plurality of hollow cylinders (4) are fixedly mounted on one side of the outlet row (3), and a through groove (5) is provided in the middle of the hollow cylinder (4); an O-shaped copper ring (1) is fixedly mounted in the through groove (5), and the O-shaped copper ring (1) is embedded in the through groove (5); the enameled wire (2) extends from one end of the hollow cylinder (4) to the other end and passes through the O-shaped copper ring (1).
2. A fastening device for an outlet plate according to claim 1, characterized in that: The hollow cylinder (4) is a cone-shaped structure.
3. A fastening device for an outlet plate according to claim 2, characterized in that: The number of the hollow cylinders (4) is 6.
4. A fastening device for an outlet plate according to claim 1, characterized in that: The middle portion of the O-shaped copper ring (1) in the length direction is pressed onto the enameled wire (2).
5. A fastening device for an outlet plate according to claim 4, characterized in that: After the stator is assembled with the outlet wire row (3), the enameled wire (2) is led out from the winding through the hollow cylinder (4) of the outlet wire row (3), and then pressure is applied to both ends of the O-shaped copper ring (1) to clamp and press it onto the enameled wire (2).
6. A fastening device for an outlet plate according to claim 1, characterized in that: The O-shaped copper ring is prepared by injection molding.