Motor commutator

Abstract

The utility model provides a motor commutator, which belongs to the technical field of motor commutators and comprises a motor converter body, a mounting plate is arranged on the upper side of the motor converter body, six bolts are in threaded connection in the mounting plate, and a simple fixing mechanism is adopted when a sound insulation layer, a heat insulation layer and a dust cover are mounted at the bottom of a fixing disc. Firstly, six first clamping blocks are inserted into four square connecting sleeves, after insertion, an operator can rotate a limiting ring to drive four second clamping blocks to move, the four second clamping blocks are clamped into limiting openings and the first clamping blocks, limiting of the first clamping blocks is achieved, then four screws are installed in second threaded holes through a tool, the screws are rotated to extend threads to the second clamping blocks, and the first clamping blocks are clamped into the first clamping blocks. In this way, the second clamping block can stably support the six L-shaped limiting blocks, and the stability and reliability of the whole structure are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor commutators, and in particular relates to a motor commutator. Background Art

[0002] The motor commutator, also known as the commutator, is a key component in the motor. It is mainly used to change the direction of the current during the operation of the motor to achieve the normal operation and steering of the motor. The role of the commutator in the motor is very important, and its performance and reliability directly affect the overall performance and life of the motor.

[0003] The authorization publication number "CN218887750U" records a motor commutator, including: a motor commutator body, which has a prefabricated through hole, and a commutator segment assembly is installed on the outer side of the lower end of the motor commutator body, and a hook portion is integrally installed on the outer side of the upper end of the commutator segment assembly; a first prefabricated groove, which is opened inside the outer side of the commutator segment assembly, and a mounting groove is opened on the outer side of the lower wall end of the motor commutator body, and a mounting protrusion is fixedly installed on the outer side end of the connecting block; a positioning bar, which is fixedly installed on the inner side end of the commutator segment assembly, and the outer side of the positioning bar close to the central axis of the motor commutator body is connected to a positioning groove opened inside the connecting block. The motor commutator has a good positioning function when installing the commutator segment body, which is convenient for improving the accuracy of the installation of the commutator segment body, and can also improve the connection strength between the motor commutator body and the commutator segment body.

[0004] The above patent has a good positioning function when installing the commutator segment body, which is convenient for improving the installation accuracy of the commutator segment body, and can also improve the connection strength between the motor commutator body and the commutator segment body. However, the above patent has certain shortcomings when used. The commutator will generate noise in the process of changing the direction of current. If the noise is not effectively controlled, it will not only affect the stable operation of the motor, but may also cause interference to the surrounding operators. In addition, the commutator surface lacks protective measures, and dust and dirt are easily accumulated, which brings inconvenience to subsequent cleaning work. Therefore, reducing noise and improving the protective measures of the commutator are the key to improving the motor operating efficiency and maintaining the working environment. Utility Model Content

[0005] The purpose of the utility model is to provide a motor commutator, aiming to solve the problem that the commutator in the prior art generates noise in the process of changing the direction of current. If the noise is not effectively controlled, it will not only affect the stable operation of the motor, but also may cause interference to the surrounding operators. In addition, the commutator surface lacks protective measures, and dust and dirt are easily accumulated, which brings inconvenience to subsequent cleaning work. Therefore, reducing noise and improving the protective measures of the commutator are key issues in improving the operating efficiency of the motor and maintaining the working environment.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A motor commutator, comprising:

[0008] A motor converter body, wherein a mounting plate is provided on the upper side of the motor converter body, six bolts are threadedly connected to the mounting plate, and six first threaded holes are provided on the top of the motor converter body, and the six bolts are respectively threadedly connected to the six first threaded holes;

[0009] A fixing plate, the fixing plate being fixedly connected to a circumferential surface of the mounting plate;

[0010] A connecting cover plate, wherein the connecting cover plate is fixedly connected to the top of the fixing plate;

[0011] A square connecting sleeve, wherein four of the square connecting sleeves are provided, and the four square connecting sleeves are all fixedly connected to the top end of the fixing plate; and

[0012] A first clamping block, wherein six first clamping blocks are provided, and the six first clamping blocks are all arranged on the lower side of the fixed plate;

[0013] The sound insulation mechanism is provided with two groups, and the two groups of the sound insulation mechanism are both arranged on the lower side of the fixed plate, and the two groups of the sound insulation mechanism are used to reduce the noise generated by the motor converter body.

[0014] As a preferred solution of the utility model, one set of the sound insulation mechanism includes:

[0015] A dust cover, the dust cover is fixedly connected to the bottom end of the fixed plate;

[0016] A sound insulation layer, the sound insulation layer is fixedly connected to the bottom end of the fixed plate;

[0017] A heat insulation layer, wherein the heat insulation layer is fixedly connected to the bottom end of the fixed plate;

[0018] The limiting mechanism is arranged on the upper side of the fixed plate, and is used to limit the six first clamping blocks.

[0019] As a preferred solution of the utility model, the limiting mechanism includes:

[0020] Limiting openings, four of which are provided, and the four limiting openings are respectively opened at the ends away from each other of four square connecting sleeves;

[0021] An L-shaped limiting groove, wherein the L-shaped limiting groove is opened at the top of the plastic sticker;

[0022] An L-shaped limiting block, wherein the L-shaped limiting block is slidably connected in the L-shaped limiting groove;

[0023] A limiting ring, the limiting ring being fixedly connected to the top end of the L-shaped limiting block;

[0024] The second clamping block is provided with four second clamping blocks, the four second clamping blocks are all fixedly connected to the circumferential surface of the limiting ring, and the four second clamping blocks are movably clamped in the four limiting openings respectively.

[0025] As a preferred solution of the utility model, two threaded holes are provided at the bottom end of the fixing plate, two threaded rods are threadedly connected in the two threaded holes, and a limiting rod is fixedly connected to the circumferential surface of the two threaded rods.

[0026] As a preferred solution of the utility model, four plastic stickers are fixedly connected to the top end of the connecting cover plate.

[0027] As a preferred solution of the utility model, the diameter of the connecting cover plate is 79.09 mm, the radius of the plastic sticker is 29.17 mm, and the height of the motor converter body is 94.16 mm.

[0028] Compared with the prior art, the beneficial effects of the utility model are:

[0029] 1. In this solution, the motor converter body may generate noise when the current direction changes. In order to reduce the noise, a sound insulation layer is used in the design, which can effectively absorb the noise generated by the motor converter body. In addition, the heat insulation layer is designed to prevent sparks from flying when the brush material and the commutator material do not match, protect the safety of the operator and the normal operation of the equipment, and introduce the dust cover to prevent external dust from entering the motor converter body, which is convenient for cleaning and reduces the difficulty of cleaning. When installing the sound insulation layer, the heat insulation layer and the dust cover to the bottom of the fixed plate, a simple fixing mechanism is adopted. First, the six first card blocks are inserted into the four square connecting sleeves. After insertion, the operator can rotate the limit ring to drive the four second card blocks to move so that they are stuck in the limit port and the first card block to achieve the limit of the first card block. Then, use a tool to install four screws in the second threaded hole, and rotate the screws to extend the thread to the second card block to achieve the limit of the second card block. In this way, the second card block can firmly support the six L-shaped limit blocks to ensure the stability and reliability of the entire structure.

[0030] 2. In this solution, the function of the two limit rods is to expand the tension of the bandage so that it can be tightly stretched on the surface of the fixed plate. In this way, when the bandage needs to be removed, the operator only needs to rotate the two threaded rods to loosen the bandage. Once the threaded rods are removed, the bandage will automatically relax, making the process of removing the bandage more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0032] Figure 1 It is a three-dimensional diagram of the utility model;

[0033] Figure 2 This is an exploded stereogram from the first perspective of the present invention;

[0034] Figure 3 This is a cutaway stereogram of the utility model from a first viewing angle;

[0035] Figure 4 For the utility model Figure 3 A local enlarged view of point A;

[0036] Figure 5 This is a dimension survey map of the utility model.

[0037] In the figure: 1. motor converter body; 2. first threaded hole; 201. bolt; 3. mounting plate; 4. fixing plate; 5. limit opening; 6. square connecting sleeve; 7. first clamping block; 8. dust cover; 9. second threaded hole; 10. connecting cover plate; 11. plastic sticker; 12. limit ring; 13. second clamping block; 14. sound insulation layer; 15. heat insulation layer; 16. L-shaped limit groove; 17. L-shaped limit block; 18. limit rod; 19. threaded rod; 20. screw. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] Example 1

[0040] See also Figure 1-Figure 5 , the utility model provides the following technical solutions:

[0041] A motor commutator, comprising:

[0042] The motor converter body 1 has a mounting plate 3 on the upper side thereof, six bolts 201 are threadedly connected to the mounting plate 3, and six first threaded holes 2 are formed on the top of the motor converter body 1, and the six bolts 201 are threadedly connected to the six first threaded holes 2 respectively;

[0043] A fixing plate 4, the fixing plate 4 is fixedly connected to the circumferential surface of the mounting plate 3;

[0044] A connecting cover plate 10, wherein the connecting cover plate 10 is fixedly connected to the top of the fixing plate 4;

[0045] A square connecting sleeve 6, wherein four square connecting sleeves 6 are provided, and the four square connecting sleeves 6 are all fixedly connected to the top of the fixing plate 4; and

[0046] A first clamping block 7, six of which are arranged on the lower side of the fixed plate 4;

[0047] Sound insulation mechanism: two groups of sound insulation mechanisms are provided, and both groups of sound insulation mechanisms are arranged on the lower side of the fixing plate 4 , and the two groups of sound insulation mechanisms are used to reduce the noise generated by the motor converter body 1 .

[0048] In a specific embodiment of the utility model, the fixing plate 4 and the mounting plate 3 are integrally formed, and the mounting plate 3 can be firmly fixed on the top of the motor converter body 1 through the threaded cooperation of the bolt 201 and the first threaded hole 2. The two groups of sound insulation mechanisms are respectively distributed on the left and right sides of the bottom of the fixing plate 4. The two groups of sound insulation mechanisms are used to soundproof the motor converter body 1 in between, so as to reduce the noise generated by the motor converter body 1 in the process of changing the direction of current, so as not to affect the surrounding operators. Four plastic stickers 11 are fixed to the top of the connecting cover plate 10 by bonding. The four plastic stickers 11 themselves carry warning information. The four plastic stickers 11 are used to warn personnel. The L-shaped limit block 17 matches the L-shaped limit groove 16. The heat insulation layer 15 is used to prevent sparks from splashing. The material of the heat insulation layer 15 can be selected from materials such as fireproof cloth. The material of the sound insulation layer 14 can be selected from rock wool, glass wool, ultra-fine glass wool, etc. These materials have good sound absorption performance, and the outer dust cover 8 is used to prevent outer dust from falling into the outer surface of the motor converter body 1. The tops of the four square connecting sleeves 6 are all opened There are four second threaded holes 9, in which four screws 20 are respectively threadedly connected. The four screws 20 are respectively threaded in the four second clamping blocks 13, so that the four screws 20 can tightly limit the four second clamping blocks 13. At the same time, the four second clamping blocks 13 are respectively used to limit the six first clamping blocks 7. When the four second clamping blocks 13 are inserted into the four limiting openings 5, the four second clamping blocks 13 will also be inserted into the six first clamping blocks 7 at the same time. The two limiting rods 18 are used to protect the outer sides of the two dust covers 8. When transporting the dust cover 8, it is often necessary to wrap it with a strap, and it is extremely inconvenient to remove the strap on the surface of the dust cover 8 later. Therefore, by quickly removing the two limit rods 18, the plastic strap wrapped around the surface of the dust cover 8 can be quickly removed. When not in use, only the two threaded rods 19 need to be removed from the two threaded holes. It should be noted that the specific model of the motor converter body 1 to be used is selected by the relevant technical personnel familiar with this field, and the above-mentioned motor converter body 1, etc. belong to the prior art and will not be elaborated in this scheme.

[0049] For details, please refer to Figure 1-Figure 5 , where a set of sound insulation mechanisms includes:

[0050] A dust cover 8, the dust cover 8 is fixedly connected to the bottom end of the fixed plate 4;

[0051] A sound insulation layer 14, the sound insulation layer 14 is fixedly connected to the bottom end of the fixed plate 4;

[0052] A heat insulation layer 15, the heat insulation layer 15 is fixedly connected to the bottom end of the fixed plate 4;

[0053] The limiting mechanism is arranged on the upper side of the fixed plate 4 , and is used to limit the six first clamping blocks 7 .

[0054] In this embodiment: the dust cover 8 in the sound insulation mechanism is used to block the dust on the outside to prevent dust from falling into the outer surface of the motor converter body 1, so that it is more convenient for subsequent personnel to clean the outer surface of the motor converter body 1, and the thermal insulation layer 15 can prevent the improper selection of the brush material and the commutator material from causing premature wear of the brush or excessive sparks when the brush material does not match the commutator material. The thermal insulation layer 15 blocks the sparks to prevent sparks from splashing and affecting the construction of surrounding operators.

[0055] For details, please refer to Figure 1-Figure 4 , the limiting mechanism includes:

[0056] Limit openings 5, four of which are provided, and the four limit openings 5 ​​are respectively opened at the ends away from each other of four square connecting sleeves 6;

[0057] An L-shaped limiting groove 16, which is formed at the top of the plastic sticker 11;

[0058] An L-shaped limit block 17, which is slidably connected to the L-shaped limit groove 16;

[0059] A limiting ring 12, the limiting ring 12 is fixedly connected to the top of the L-shaped limiting block 17;

[0060] The second clamping block 13 is provided with four second clamping blocks 13 , and the four second clamping blocks 13 are all fixedly connected to the circumferential surface of the limiting ring 12 , and the four second clamping blocks 13 are movably clamped in the four limiting openings 5 ​​.

[0061] In this embodiment: the six first clamping blocks 7 are movably clamped in the four square connecting sleeves 6, the four square connecting sleeves 6 and the fixed plate 4 are connected to each other, the limiting openings 5 ​​in the limiting mechanism match the shapes of the second clamping blocks 13, and the four limiting openings 5 ​​and the four second clamping blocks 13 cooperate, so that the four second clamping blocks 13 can be stably clamped in the four limiting openings 5, thereby limiting the six first clamping blocks 7 clamped in the four limiting openings 5, so that it is more convenient to fix the six first clamping blocks 7.

[0062] For details, please refer to Figure 2 Two threaded holes are provided at the bottom end of the fixing plate 4 , and two threaded rods 19 are threadedly connected in the two threaded holes. The circumferential surfaces of the two threaded rods 19 are fixedly connected to the limiting rods 18 .

[0063] In this embodiment: the pitches between the two threaded holes and the two threaded rods 19 match, and the two limit rods 18 are used to expand the bandage that needs to be wrapped around the surface of the fixed plate 4. When removing the bandage later, the personnel only need to rotate the two threaded rods 19. After the threaded rods 19 are removed, the bandage will become loose, which makes it more convenient to remove the bandage.

[0064] For details, please refer to Figure 1-Figure 5 Four plastic stickers 11 are fixedly connected to the top of the connecting cover plate 10 .

[0065] In this embodiment, four plastic stickers 11 are fixed to the top of the connecting cover plate 10 by bonding, and the four plastic stickers 11 are used to warn people who want to touch the motor converter body 1.

[0066] For details, please refer to Figure 1-Figure 3 The diameter of the connecting cover plate 10 is 79.09 mm, the radius of the plastic sticker 11 is 29.17 mm, and the height of the motor converter body 1 is 94.16 mm.

[0067] In this embodiment, by calculating the diameter and radius of the connecting cover plate 10 and the plastic sticker 11 , it will be more convenient for personnel to subsequently replace the accessories of the connecting cover plate 10 and the plastic sticker 11 .

[0068] Working principle and use process of the utility model: The motor converter body 1 may generate noise when the current direction changes. In order to reduce this noise, a sound insulation layer 14 is used, which can effectively absorb the noise generated by the motor converter body 1. In addition, when the brush material does not match the commutator material, it may cause premature wear of the brush or generate excessive sparks. The design purpose of the heat insulation layer 15 is to block these sparks and prevent them from splashing, thereby protecting the safety of surrounding operators and the normal operation of the equipment. The introduction of the dust cover 8 is to prevent external dust from entering the motor converter body 1, which makes it more convenient to clean the outer surface of the motor converter body 1 and reduces the difficulty of subsequent cleaning work. After installing the sound insulation layer 14, the heat insulation layer 15 and the dust cover 8 to When fixing the bottom of the plate 4, a simple fixing mechanism is designed. First, the six first clamping blocks 7 are respectively inserted into the four square connecting sleeves 6. When the first clamping blocks 7 are fully inserted, the operator can rotate the limiting ring 12. The limiting ring 12 will drive the four second clamping blocks 13 to move, so that they are respectively inserted into the four limiting openings 5 ​​and the six first clamping blocks 7, so as to limit the first clamping blocks 7. Next, four screws 20 are respectively installed in the four second threaded holes 9 using tools. Then, the operator can rotate the four screws 20 so that the threads of the screws 20 extend into the four second clamping blocks 13, so as to finally limit the second clamping blocks 13. In this way, the second clamping blocks 13 can firmly support the six L-shaped limiting blocks 17, thereby ensuring the stability and reliability of the entire structure.

[0069] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A motor commutator, characterized in that: include: A motor converter body (1), wherein a mounting plate (3) is provided on the upper side of the motor converter body (1), six bolts (201) are internally threadedly connected to the mounting plate (3), and six first threaded holes (2) are provided at the top end of the motor converter body (1), and the six bolts (201) are respectively threadedly connected to the six first threaded holes (2); A fixing plate (4), wherein the fixing plate (4) is fixedly connected to the circumferential surface of the mounting plate (3); A connecting cover plate (10), wherein the connecting cover plate (10) is fixedly connected to the top end of the fixing plate (4); A square connecting sleeve (6), wherein four square connecting sleeves (6) are provided, and the four square connecting sleeves (6) are all fixedly connected to the top end of the fixing plate (4); and A first clamping block (7), wherein six first clamping blocks (7) are provided, and the six first clamping blocks (7) are all arranged on the lower side of the fixed plate (4); A sound insulation mechanism, wherein two groups of the sound insulation mechanism are provided, and both groups of the sound insulation mechanism are arranged on the lower side of the fixing plate (4), and the two groups of the sound insulation mechanism are used to reduce the noise generated by the motor converter body (1).

2. A motor commutator according to claim 1, characterized in that: One set of the sound insulation mechanisms includes: A dust cover (8), wherein the dust cover (8) is fixedly connected to the bottom end of the fixed plate (4); A sound insulation layer (14), wherein the sound insulation layer (14) is fixedly connected to the bottom end of the fixed plate (4); A heat insulating layer (15), wherein the heat insulating layer (15) is fixedly connected to the bottom end of the fixed plate (4); A limiting mechanism, wherein the limiting mechanism is arranged on the upper side of the fixed plate (4), and the limiting mechanism is used to limit the six first clamping blocks (7).

3. A motor commutator according to claim 2, characterized in that: The limiting mechanism comprises: Limit openings (5), wherein four limit openings (5) are provided, and the four limit openings (5) are respectively opened at the ends away from each other of four square connecting sleeves (6); An L-shaped limiting groove (16), wherein the L-shaped limiting groove (16) is formed at the top of the plastic sticker (11); An L-shaped limiting block (17), wherein the L-shaped limiting block (17) is slidably connected in the L-shaped limiting groove (16); A limiting ring (12), wherein the limiting ring (12) is fixedly connected to the top end of the L-shaped limiting block (17); The second clamping block (13) is provided with four second clamping blocks (13), and the four second clamping blocks (13) are all fixedly connected to the circumferential surface of the limiting ring (12), and the four second clamping blocks (13) are respectively movably clamped in the four limiting openings (5).

4. A motor commutator according to claim 3, characterized in that: Two threaded holes are formed at the bottom end of the fixing plate (4), two threaded rods (19) are threadedly connected in the two threaded holes, and the circumferential surfaces of the two threaded rods (19) are fixedly connected to the limiting rods (18).

5. A motor commutator according to claim 4, characterized in that: Four plastic stickers (11) are fixedly connected to the top of the connecting cover plate (10).

6. A motor commutator according to claim 5, characterized in that: The diameter of the connecting cover plate (10) is 79.09 mm, the radius of the plastic sticker (11) is 29.17 mm, and the height of the motor converter body (1) is 94.16 mm.

Images