Hollow shaft brake motor three-phase PIN fixing structure

Abstract

The utility model discloses a three-phase PIN fixing structure of a hollow shaft brake motor, which relates to the technical field of motor control and comprises an insulating mounting part, a left PIN, a right PIN and a middle PIN, and the left PIN, the right PIN and the middle PIN are all arranged at the top of the insulating mounting part. The insulating mounting part comprises a head part, a middle part and a bottom part which are fixedly connected, the left PIN, the right PIN and the middle PIN are fixedly arranged at the upper end of the head part, two strip-shaped openings are symmetrically formed in the middle part, and strip-shaped grooves are formed in the two sides of the middle part. According to the utility model, a conventional three-split whole-body cylindrical injection molding fixing structure is eliminated, and a head-integrated, middle-split and bottom-integrated fixing structure is adopted, so that the location degree of the PIN can be effectively improved, the later assembly is improved, the mass of a coating material is reduced, and the total weight of the motor is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of motor control, in particular to a three-phase PIN fixing structure of a hollow shaft brake motor. Background Art

[0002] Currently, the height of the three-phase pins in hollow-shaft brake motors is generally between 70 and 100 mm. These long pins make it difficult to maintain their relative position with the motor mounting holes during production and subsequent assembly, which in turn affects the automated assembly of the entire brake system. Therefore, a three-phase pin fixing structure for hollow-shaft brake motors is proposed. Utility Model Content

[0003] In view of the problems existing in the above-mentioned existing three-phase PIN fixing structure of the motor, the present utility model is proposed.

[0004] Therefore, the purpose of this utility model is to provide a three-phase PIN fixing structure of a hollow shaft brake motor to solve the problem of xxxx.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] A three-phase PIN fixing structure for a hollow shaft brake motor includes an insulating mounting portion, a left PIN needle, a right PIN needle and a middle PIN needle, wherein the left PIN needle, the right PIN needle and the middle PIN needle are all arranged at the top of the insulating mounting portion; the insulating mounting portion includes a fixedly connected head, a middle portion and a bottom portion, wherein the left PIN needle, the right PIN needle and the middle PIN needle are all fixedly arranged at the upper end of the head portion, and two strip-shaped openings are symmetrically provided inside the middle portion, and strip grooves are provided on both sides of the middle portion.

[0007] Preferably, the upper side walls of the head are both arranged with arc chamfers, and arc reinforcement ribs are arranged on both sides of the bottom.

[0008] Preferably, waist-shaped reinforcement parts are provided between the lower end and the head of the left PIN pin, between the lower end and the head of the right PIN pin, and between the lower end and the head of the middle PIN pin.

[0009] Furthermore, the lower end of the strip-shaped opening extends to the bottom.

[0010] Preferably, the insulating mounting portion is provided by integral injection molding.

[0011] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0012] The utility model adopts an integrated-split-integrated structure for the overall structure of the utility model, which can effectively improve the position of the PIN, thereby improving the later assembly and reducing the weight of the coating material.

[0013] The utility model provides a strip-shaped opening and a strip-shaped groove in the middle portion, so that the middle portion is designed to be lightweight, and the weight of the covering material is reduced while ensuring insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 for Figure 1 A top view of

[0017] Figure 3 for Figure 1 Schematic diagram of the upper partial structure of the middle insulation mounting part.

[0018] Description of reference numerals:

[0019] 1. Insulation mounting portion; 11. Head; 12. Middle portion; 121. Strip opening; 122. Strip groove; 13. Bottom portion; 2. Left PIN needle; 3. Right PIN needle; 4. Middle PIN needle; 5. Positioning reinforcement portion. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0021] The utility model provides Figure 1-2The three-phase PIN fixing structure of a hollow shaft brake motor shown in the figure includes an insulating mounting part 1, a left PIN needle 2, a right PIN needle 3 and a middle PIN needle 4. The left PIN needle 2, the right PIN needle 3 and the middle PIN needle 4 are all arranged at the top of the insulating mounting part 1. The insulating mounting part 1 includes a head 11, a middle part 12 and a bottom 13 that are fixedly connected. The insulating mounting part 1 adopts an integrated injection molding setting, so that the head 11, the middle part 12 and the bottom 13 are arranged as a whole. The left PIN needle 2, the right PIN needle 3 and the middle PIN needle 4 are all fixedly set at the upper end of the head 11. Two strip openings 121 are symmetrically provided inside the middle part 12. The lower end of the strip opening 121 extends to the position of the bottom 13, which can greatly reduce the material mass of the middle part 12 and the bottom 13, and strip grooves 122 are provided on both sides of the middle part 12. The strip grooves 122 can reduce the material mass on both sides of the middle part 12, thereby reducing the overall weight of the insulating mounting part 1 and ultimately reducing the total weight of the motor.

[0022] like Figure 1 The upper side walls of the head 11 are all equipped with arc chamfers to facilitate the later assembly with the opponent. Arc reinforcement ribs are provided on both sides of the bottom 13. The arc reinforcement ribs play a role in strengthening and reinforcing, ensuring that the position of the bottom 13 is accurate and does not deviate.

[0023] like Figure 1-3 A waist-shaped reinforcement part 5 is provided between the lower end of the left PIN needle 2 and the head 11, between the lower end of the right PIN needle 3 and the head 11, and between the lower end of the middle PIN needle 4 and the head 11, which wraps the lower ends of the left PIN needle 2, the right PIN needle 3 and the middle PIN needle 4 to ensure insulation and determine the relative position, while ensuring the position accuracy of the heads of the left PIN needle 2, the right PIN needle 3 and the middle PIN needle 4.

[0024] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A three-phase PIN fixing structure for a hollow shaft brake motor, comprising an insulating mounting portion (1), a left PIN pin (2), a right PIN pin (3) and a middle PIN pin (4), characterized in that: The left PIN needle (2), the right PIN needle (3) and the middle PIN needle (4) are all arranged on the top of the insulating mounting portion (1); The insulating mounting portion (1) comprises a head portion (11), a middle portion (12) and a bottom portion (13) which are fixedly connected. The left PIN needle (2), the right PIN needle (3) and the middle PIN needle (4) are all fixedly arranged at the upper end of the head portion (11). Two strip-shaped openings (121) are symmetrically provided inside the middle portion (12), and strip-shaped grooves (122) are provided on both sides of the middle portion (12).

2. The three-phase PIN fixing structure of the hollow shaft brake motor according to claim 1 is characterized in that: The upper side walls of the head (11) are both provided with arc-shaped chamfers, and arc reinforcement ribs are provided on both sides of the bottom (13).

3. The three-phase PIN fixing structure of the hollow shaft brake motor according to claim 1 is characterized in that: A waist-shaped reinforcement portion (5) is provided between the lower end of the left PIN needle (2) and the head (11), between the lower end of the right PIN needle (3) and the head (11), and between the lower end of the middle PIN needle (4) and the head (11).

4. The three-phase PIN fixing structure of the hollow shaft brake motor according to claim 1 is characterized in that: The lower end of the strip-shaped opening (121) extends to the position of the bottom (13).

5. The three-phase PIN fixing structure of the hollow shaft brake motor according to claim 1 is characterized in that: The insulating mounting portion (1) is provided by integral injection molding.

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