Commutator press-in angle testing fixture for vehicle blower motor

By designing a commutator pressing angle gauge for automotive blower motors, the quality problems caused by commutator pressing angle were solved, the product qualification rate was improved, and production risks were reduced.

CN223992581UActive Publication Date: 2026-03-13四川富生汽车零部件有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Poor commutator insertion angle in automotive blower motors leads to a decline in product quality, and existing technologies lack effective inspection tools to ensure product qualification rates.

Method used

Design a commutator insertion angle gauge for automotive blower motors, including a base plate, a commutator placement fixture, a rotor core placement fixture, and a leveling assembly. The angle and level of the commutator and rotor core are confirmed by a leveling table and a probe to ensure that they meet the design requirements.

Benefits of technology

This inspection tool can effectively reduce the quality risks caused by the commutator insertion angle, improve the product qualification rate, and ensure the quality of automotive blower motors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a commutator press-in angle testing fixture for a vehicle blower motor, and relates to the technical field of vehicle blower motors. The device comprises a bottom plate and a flatness measuring assembly, one side of the upper surface of the bottom plate is fixedly connected with a commutator placing jig, the middle part of the upper surface of the commutator placing jig is provided with a matching groove, and one side of the upper surface of the bottom plate is fixedly connected with a rotor core placing jig. According to the utility model, the commutator placing jig, the rotor core placing jig and the flatness measuring assembly are arranged, a semi-finished rotor is placed on the commutator press-in angle testing fixture, a commutator is aligned with a matching groove of the commutator placing jig or a rotor core is aligned with a placing groove of the rotor core placing jig, the semi-finished rotor core is pushed, and the flatness measuring assembly is arranged on the commutator press-in angle testing fixture. Whether the rotor core semi-finished product is qualified or not is judged by observing whether the rotor core semi-finished product does reciprocating rectilinear motion on the commutator placing jig and the rotor core placing jig, the quality risk caused by the commutator press-in angle is reduced, and the testing fixture is simple in structure and low in production cost.
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Description

Technical Field

[0001] This utility model belongs to the technical field of automotive blower motors, and in particular relates to a commutator pressing angle gauge for automotive blower motors. Background Technology

[0002] The blower has an air intake or inlet and an air exhaust or outlet, which are connected to hoses on other components.

[0003] The commutator insertion angle of automotive blower motors can lead to malfunctions during operation, resulting in a lower final product yield. Therefore, it is necessary to design a commutator insertion angle gauge for automotive blower motors to prevent product defects caused by commutator insertion angle, reduce the quality risks associated with this angle, and ensure the quality of automotive blower motors. Utility Model Content

[0004] The purpose of this utility model is to provide a commutator insertion angle gauge for automotive blower motors, which solves the problem of reducing the quality risks caused by the commutator insertion angle and ensuring the quality of automotive blower motors.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a commutator insertion angle gauge for an automotive blower motor, comprising a base plate and a leveling assembly. A commutator placement fixture is fixedly connected to one side of the upper surface of the base plate. A mating groove is provided in the middle of the upper surface of the commutator placement fixture. A rotor core placement fixture is fixedly connected to one side of the upper surface of the base plate. The rotor core placement fixture is disposed on one side of the commutator placement fixture. A placement groove is formed on the surface of the rotor core placement fixture, and the placement groove is aligned with the mating groove. In the above structure, the commutator insertion angle is determined according to the automotive blower motor product drawings, then the commutator placement fixture is designed according to the commutator insertion angle, and finally the rotor core placement fixture is designed according to the commutator placement fixture.

[0007] A slide rail is provided on one side of the upper surface of the commutator placement fixture. The slide rail is located on one side of the mating groove. The leveling component includes a leveling gauge and a slider. The slider is located inside the slide rail and slides with it. A connecting rod is fixedly connected to the top of the slider. The connecting rod is located on the outside of the slide rail. A fixing rod is fixedly connected to one end of the connecting rod.

[0008] The leveling gauge is fixedly connected to one end of the fixed rod. A connecting shell is fixedly connected to the bottom of the leveling gauge. A leveling rod is installed inside the leveling gauge. One end of the leveling rod is located inside the connecting shell and slides with it. A probe is fixedly connected to one end of the leveling rod. The probe is located on the outside of the connecting shell and directly above the mating groove.

[0009] The fixing rod is parallel to the commutator placement fixture, and the probe is perpendicular to the commutator placement fixture.

[0010] This utility model has the following beneficial effects:

[0011] This invention utilizes a commutator placement fixture, a rotor core placement fixture, and a leveling assembly. The semi-finished rotor is placed onto these fixtures, aligning the commutator with its mating slot. A probe is then adjusted to contact the commutator's axial surface, and the leveling gauge probe is observed. The connecting rod and fixing rod are moved along a slide rail, allowing the probe to slide on the commutator's axial surface. The leveling gauge probe is then observed to confirm the commutator's levelness. The rotor core is then aligned with the placement slot in the rotor core placement fixture. The semi-finished rotor is then pushed, and its reciprocating linear motion on the commutator and rotor core placement fixtures is observed to determine its quality. This reduces quality risks associated with the commutator's insertion angle, ensuring the quality of automotive blower motors. This inspection fixture has a simple structure and low production cost.

[0012] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the three-dimensional assembly structure of this utility model;

[0015] Figure 2 for Figure 1 A magnified view of region A in the middle.

[0016] The attached diagram lists the components represented by each number as follows:

[0017] 1. Base plate; 2. Commuter placement fixture; 201. Mating groove; 202. Slide rail; 3. Rotor core placement fixture; 301. Placement groove; 4. Leveling assembly; 401. Leveling gauge; 402. Slider; 403. Connecting rod; 404. Fixing rod; 405. Connecting shell; 406. Probe. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Please see Figures 1-2 As shown, this utility model is a commutator insertion angle gauge for an automotive blower motor, including a base plate 1 and a leveling assembly 4. A commutator placement fixture 2 is fixedly connected to one side of the upper surface of the base plate 1. A mating groove 201 is provided in the middle of the upper surface of the commutator placement fixture 2. A rotor core placement fixture 3 is fixedly connected to one side of the upper surface of the base plate 1. The rotor core placement fixture 3 is disposed on one side of the commutator placement fixture 2. A placement groove 301 is opened on the surface of the rotor core placement fixture 3, and the placement groove 301 is aligned with the mating groove 201. In the above structure, the commutator insertion angle is determined according to the automotive blower motor product drawings. Then, the commutator placement fixture 2 is designed according to the commutator insertion angle, and the rotor core placement fixture 3 is designed according to the commutator placement fixture.

[0022] A slide rail 202 is provided on one side of the upper surface of the commutator placement fixture 2. The slide rail 202 is located on one side of the mating groove 201. The leveling component 4 includes a leveling gauge 401 and a slider 402. The slider 402 is located inside the slide rail 202 and slides with it. A connecting rod 403 is fixedly connected to the top of the slider 402. The connecting rod 403 is located on the outside of the slide rail 202. A fixing rod 404 is fixedly connected to one end of the connecting rod 403.

[0023] The leveling gauge 401 is fixedly connected to one end of the fixing rod 404. The bottom of the leveling gauge 401 is fixedly connected to the connecting shell 405. The leveling gauge 401 is installed inside the leveling gauge 401. One end of the leveling rod is set inside the connecting shell 405 and slides with it. One end of the leveling rod is fixedly connected to the probe 406. The probe 406 is set on the outside of the connecting shell 405 and is set directly above the mating groove 201.

[0024] The fixing rod 404 is parallel to the commutator placement fixture 2, and the probe 406 is perpendicular to the commutator placement fixture 2.

[0025] It should be further explained that, in actual use, the rotor semi-finished product is placed on the commutator placement fixture 2 and the rotor core placement fixture 3, aligning the commutator with the mating groove 201. Then, the probe 406 is adjusted to be in contact with the axial surface of the commutator, and the probe of the leveling gauge 401 is observed. Then, the connecting rod 403 and the fixing rod 404 are moved along the slide rail 202, allowing the probe 406 to slide on the axial surface of the commutator. The probe of the leveling gauge 401 is observed to confirm the levelness of the commutator. The rotor core is aligned with the placement groove 301 of the rotor core placement fixture 3, and then the rotor semi-finished product is pushed. The rotor core semi-finished product is observed to make reciprocating linear motion on the commutator placement fixture 2 and the rotor core placement fixture 3. If it makes reciprocating linear motion, it indicates that the rotor core semi-finished product is qualified; otherwise, if it does not make reciprocating linear motion, it indicates that the rotor core semi-finished product is unqualified.

[0026] In the description of this specification, references to terms such as "an embodiment," "example," and "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0027] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A commutator press-in angle gauge for a vehicle blower motor, comprising a base plate (1) and a measuring assembly (4), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a commutator placing jig (2), the upper surface of the commutator placing jig (2) is provided with a matching groove (201), the upper surface of the bottom plate (1) is fixedly connected with a rotor core placing jig (3), the rotor core placing jig (3) is arranged on one side of the commutator placing jig (2), the surface of the rotor core placing jig (3) is provided with a placing groove (301), and the placing groove (301) is aligned with the matching groove (201).

2. The commutator press-in angle gauge for a vehicle blower motor according to claim 1, wherein The upper surface of the commutator placing jig (2) is provided with a sliding rail (202), the sliding rail (202) is arranged on one side of the matching groove (201), the leveling assembly (4) comprises a leveling table (401) and a sliding block (402), the sliding block (402) is arranged in the sliding rail (202) and is in sliding fit with the sliding rail (202), the top end of the sliding block (402) is fixedly connected with a connecting rod (403), the connecting rod (403) is arranged outside the sliding rail (202), and one end of the connecting rod (403) is fixedly connected with a fixed rod (404).

3. The rectifier press-in angle gauge for a vehicle blower motor according to claim 2, wherein The leveling table (401) is fixedly connected with one end of the fixed rod (404), the bottom of the leveling table (401) is fixedly connected with a connecting shell (405), a leveling rod is mounted in the leveling table (401), one end of the leveling rod is arranged in the connecting shell (405) and is in sliding fit with the connecting shell (405), one end of the leveling rod is fixedly connected with a probe (406), the probe (406) is arranged outside the connecting shell (405), and the probe (406) is arranged directly above the matching groove (201).

4. The rectifier press-in angle gauge for a vehicle blower motor according to claim 3, characterized in that, The fixed rod (404) is in parallel with the commutator placing jig (2), and the probe (406) is perpendicular to the commutator placing jig (2).