Motor stator outgoing line size testing fixture

Abstract

The utility model discloses a motor stator outgoing line size testing fixture, comprising a testing fixture block, the inner side of the testing fixture block is a positioning binding surface, the positioning binding surface is provided with a positioning structure, and one side of the top of the testing fixture block close to the positioning binding surface is provided with an outgoing line avoiding structure. A terminal positioning structure is arranged on one side, far away from the positioning binding surface, of the outgoing line avoiding groove, of the top of the checking fixture block; the motor stator leading-out wire size detection tool can quickly judge whether the size of the leading-out wire of the stator to be detected is qualified or not only after being positioned and placed at the terminal iron core of the motor stator, and is high in detection speed, high in efficiency and accurate in detection.

Description

Technical Field

[0001] The utility model relates to the technical field of size gauges, and more specifically to a size gauge for motor stator lead wires. Background Art

[0002] At present, the inspection of motor stator lead wires is usually done by manual measurement by inspectors. The accuracy of the inspection data depends on the inspectors' technical level and the reliability of the manual measurement method. There is a high possibility of measurement distortion or inaccurate measurement, which can easily lead to batch failures and batch delayed delivery, and it is impossible to effectively control the dimensional measurement. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a motor stator lead wire size gauge, which only needs to be positioned at the terminal core of the motor stator to quickly determine whether the size of the stator lead wire to be tested is qualified, with fast detection speed, high efficiency and accurate detection.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A motor stator lead wire size gauge comprises a gauge block, wherein the inner side of the gauge block is a positioning fitting surface, and a positioning structure is arranged on the positioning fitting surface, a lead wire avoidance structure is arranged on the top of the gauge block close to the positioning fitting surface, and a terminal positioning structure is arranged on the top of the gauge block on the side of the lead wire avoidance groove away from the positioning fitting surface.

[0006] Further, the terminal positioning structure is a plurality of terminal positioning holes.

[0007] Further, the lead wire avoidance structure is a lead wire avoidance groove.

[0008] Further, the positioning structure includes a contoured step and a plurality of core positioning keys, wherein the contoured step is located in the middle of the positioning fitting surface, and the plurality of core positioning keys are located in the lower part of the positioning fitting surface.

[0009] Furthermore, the positioning and fitting surface is a curved surface.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model provides a check fixture block, and provides a terminal positioning hole, a lead wire avoidance groove, a contoured ladder and a plurality of core positioning keys on the check fixture block. When performing inspection, the inspector only needs to place the check fixture on the stator core, insert the core positioning key on the check fixture into the marking groove on the core, and then visually observe whether the center hole of the stator terminal is aligned with the corresponding hole on the check fixture, so as to judge whether the size of the stator lead wire to be inspected is qualified. The inspection speed is fast, the efficiency is high, and the inspection is accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0013] Figure 1 This is a schematic diagram of the structure of the motor stator lead wire size inspection tool;

[0014] Figure 2 This is a top view of the motor stator lead wire size inspection fixture.

[0015] The markings in the figure are: 1. Gauge block; 2. Terminal positioning hole; 3. Lead wire avoidance groove; 4. Positioning fitting surface; 5. Contour step; 6. Core positioning key. DETAILED DESCRIPTION

[0016] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0017] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0018] A motor stator lead wire size inspection tool, such as Figure 1-2 As shown, it includes a gauge block 1, the inner side of the gauge block 1 is a positioning fitting surface 4, and a positioning structure is arranged on the positioning fitting surface 4, a lead wire avoidance structure is arranged on the top of the gauge block 1 close to the positioning fitting surface 4, and a terminal positioning structure is arranged on the top of the gauge block 1 on the side of the lead wire avoidance groove 3 away from the positioning fitting surface 4.

[0019] Preferably, in this embodiment, the terminal positioning structure is a plurality of terminal positioning holes 2;

[0020] Specifically, by setting the terminal positioning structure as the terminal positioning hole 2, after the positioning fitting surface 4 of the inspection fixture block 1 is positioned and matched with the terminal core, it is only necessary to visually observe whether the center hole of the stator terminal is aligned with the corresponding hole on the inspection fixture to determine whether the length and spacing dimensions of the stator lead wire to be inspected are qualified.

[0021] Preferably, in this embodiment, three terminal positioning holes 2 are provided.

[0022] Preferably, in this embodiment, the lead-out wire avoidance structure is a lead-out wire avoidance groove 3;

[0023] Specifically, during the actual production of the stator, the lead wire of the end winding may be located at a lower position, and the upper size of the gauge is close to the winding, so the lead wire located at the lower position may interfere with the gauge. The specially designed lead wire avoidance slot 3 leaves this part of the volume empty, perfectly solving the possible interference problem.

[0024] In this embodiment, the positioning structure preferably includes a contoured step 5 and a plurality of core positioning keys 6, the contoured step 5 is located in the middle of the positioning fitting surface 4, and the plurality of core positioning keys 6 are located in the lower part of the positioning fitting surface 4;

[0025] Specifically, positioning is achieved by setting a contoured step 5 to cooperate with the stator core. The contoured step 5 can achieve radial positioning and axial fixation by having its lower part fit the side surface of the core and its middle part placed on the end surface of the core. At the same time, a core positioning key 6 is provided, through which the core positioning key 6 and the marking groove on the side surface of the core can be engaged with each other to achieve the effect of angle positioning.

[0026] Preferably, in this embodiment, three core positioning keys 6 are provided.

[0027] Preferably in this embodiment, the positioning and fitting surface 4 is a curved surface.

[0028] Working principle and advantages:

[0029] The utility model provides a check fixture block 1, and provides a terminal positioning hole 2, a lead wire avoidance groove 3, a contoured step 5 and a plurality of core positioning keys 6 on the check fixture block 1. When inspecting, the inspector only needs to place the check fixture on the stator core, insert the core positioning key 6 on the check fixture into the marking groove on the core, and then visually observe whether the center hole of the stator terminal is aligned with the corresponding hole on the check fixture, so as to judge whether the size of the stator lead wire to be inspected is qualified. The inspection speed is fast, the efficiency is high, and the inspection is accurate.

[0030] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A motor stator lead wire size gauge, characterized by: It comprises a gauge block, the inner side of which is a positioning fitting surface, and a positioning structure is arranged on the positioning fitting surface, a lead wire avoidance structure is arranged on the top of the gauge block close to the positioning fitting surface, and a terminal positioning structure is arranged on the top of the gauge block at a side of the lead wire avoidance groove away from the positioning fitting surface.

2. The motor stator lead wire size gauge according to claim 1, characterized in that: The terminal positioning structure is a plurality of terminal positioning holes.

3. The motor stator lead wire size gauge according to claim 1, characterized in that: The lead-out wire avoidance structure is a lead-out wire avoidance groove.

4. The motor stator lead wire size gauge according to claim 1, characterized in that: The positioning structure comprises a contoured step and a plurality of core positioning keys, wherein the contoured step is located in the middle of the positioning fitting surface, and the plurality of core positioning keys are located in the lower part of the positioning fitting surface.

5. The motor stator lead wire size gauge according to claim 1, characterized in that: The positioning and fitting surface is a curved surface.

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