Silicone carbon powder spacer sleeve rear support

Abstract

The utility model provides a kind of rear support with silica gel carbon powder spacer, including motor, the motor includes rear support, the left and right sides of the rear support are all inserted with carbon brush, the opposite side of two the carbon brush is all sleeved with blocking spacer, the outer part of two the blocking spacer far from the opposite side of carbon brush is respectively detachably connected with the left and right ends of rear support, first baffle completes the installation of blocking spacer outside carbon brush by assembly hole, the partition gap of second baffle is set, can be by second baffle, the assembly of second baffle on rear support is completed, compared with the blocking spacer structure of existing, effective insulating wrap layer is formed on the inside and outside of rear support, need not be assembled simultaneously with carbon brush assembly on motor product, can be adjusted according to the use needs and product technical requirements of customer, improve the motor production flexibility of the blocking spacer product of configuration, simplify the assembly mode of motor product, improve the production efficiency of motor product.

Description

Technical Field

[0001] This utility model mainly relates to the field of toner blocking spacer technology, specifically to a rear support with a silicone toner spacer. Background Technology

[0002] After a period of operation, toner adheres to the surface of the brush holder, forming a pressure-resistant path between the brush and the support feet of the rear bracket, which can lead to motor failure. To address this, a silicone toner spacer can be designed. When installed on the rear bracket of the motor, the protruding structure of the silicone toner spacer forms a groove with the support feet of the rear bracket. This groove can break the pressure-resistant path formed by toner adhering to the surface of the brush holder, preventing pressure breakdown between the brush and the support feet of the rear bracket after the motor has been running for a period of time.

[0003] An existing patent (publication number: CN220527778U) discloses a high-voltage breakdown resistant support structure, including a motor support. Two metal carbon brush boxes are symmetrically arranged on the top of the motor support. An insulating carbon brush sleeve is provided at one end of each metal carbon brush box away from the center of the motor support. An insulating isolation sleeve is fitted onto the outer side of each insulating carbon brush sleeve. The side of the insulating isolation sleeve away from the center of the motor support is fitted onto the insulating carbon brush sleeve. The protrusion on the insulating isolation sleeve is designed to be close to the point where toner is generated, forming a discontinuous plane on the surface of the insulating carbon brush sleeve. This prevents continuous distribution of toner on the surface of the insulating carbon brush sleeve, physically breaking the conductive path formed by toner adhesion, thus preventing high-voltage breakdown and solving the problem of high-voltage breakdown caused by conductive paths formed by toner distribution in existing equipment.

[0004] The assembly of the toner blocking sleeve requires synchronous assembly with the carbon brush assembly onto the rear bracket of the motor. This method is inconvenient during assembly. Therefore, the inventors proposed a rear bracket with a silicone toner blocking sleeve, which improves the structure of the toner blocking sleeve. The toner blocking sleeve can be assembled on the outside of the rear bracket and the carbon brush holder. The improved toner blocking sleeve no longer needs to be synchronously assembled with the carbon brush assembly, effectively improving the production flexibility of motor product assembly and increasing production efficiency. Utility Model Content

[0005] 1. Technical problem solved by the utility model: This utility model provides a rear bracket with a silicone toner spacer, which solves the technical problem that existing toner blocking spacers and carbon brush assemblies need to be assembled simultaneously, resulting in inconvenient production and assembly.

[0006] 2. Technical Solution: To achieve the above objectives, the technical solution provided by this utility model is as follows: a rear bracket with silicone carbon powder spacers, including a motor, the motor including a rear bracket, carbon brushes being inserted into both the left and right sides of the rear bracket, blocking spacers being sleeved on the opposite sides of the two carbon brushes, and the outer sides of the two blocking spacers away from the opposite sides of the carbon brushes being detachably connected to the left and right ends of the rear bracket respectively.

[0007] Furthermore, the blocking sleeve includes a first baffle and a second baffle, and a spacer groove is divided between the first baffle and the second baffle to block the conductive path of the toner.

[0008] The material of the blocking sleeve is preferably rubber as the main material.

[0009] Furthermore, the first baffle is fixedly provided with an assembly hole for the carbon brush in the middle, the middle of the first baffle is sleeved with the outside of the carbon brush, and the outer side of the first baffle facing the rear bracket is fixedly connected with the outer side of the second baffle.

[0010] Furthermore, the second baffle extends to the outer side of the rear bracket and has a partition gap, and the middle part of the second baffle covers the inner and outer walls of the rear bracket.

[0011] Furthermore, the motor includes an output shaft, and from top to bottom, an inner rotor fan blade, an end plate, a commutator, and an outer fan blade are fixedly mounted on the outer side of the output shaft. The commutator is located between the opposite sides of the two carbon brushes, and the outer fan blade is located outside the rear bracket. The bottom of the output shaft is movably connected to the middle of the rear bracket via a bearing.

[0012] Furthermore, a rotor core is fixedly mounted on the bottom of the end plate.

[0013] Furthermore, the motor includes a front bracket, the middle of which is movably connected to the top of the output shaft via a bearing, and screws are provided on both the left and right sides of the bottom of the front bracket, with the bottom of the screws threadedly connected to the top of the rear bracket.

[0014] 3. Beneficial effects: Compared with the prior art, the technical solution provided by this utility model has the following advantages: This utility model provides a rear bracket with a silicone carbon powder spacer. The first baffle completes the installation of the spacer outside the carbon brush through the assembly hole. The second baffle has a partition gap and can be installed on the rear bracket by bending the second baffle. Compared with the existing spacer structure, the rear bracket is covered with an effective insulating wrapping layer on the inner and outer sides. It does not need to be assembled on the motor product at the same time as the carbon brush assembly. It can be adjusted according to the customer's usage needs and product technical requirements, improving the production flexibility of motors equipped with this spacer, simplifying the assembly method of motor products, and improving the production efficiency of motor products. The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0015] Figure 1 This is a perspective view of the motor structure of this utility model; Figure 2 This is a front sectional view of the motor structure of this utility model; Figure 3 This utility model has a three-dimensional output shaft structure. Figure 1 ; Figure 4 This utility model has a three-dimensional output shaft structure. Figure 2 ; Figure 5 This utility model is a three-dimensional rear support structure. Figure 1 ; Figure 6 This utility model is a three-dimensional rear support structure. Figure 2 ; Figure 7 This is a perspective view of the silicone carbon powder spacer structure of this utility model.

[0016] Figure label: 1-Rear bracket; 2-Carbon brush; 3-Blocking septum; 4-First baffle; 41-Assembly hole; 5-Second baffle; 51-Partition gap; 6-Gap; 7-Output shaft; 71-Inner rotor fan blade; 72-End plate; 73-Commutator; 74-External fan blade; 75-Rotor core; 8-Front bracket; 81-Screw. Detailed Implementation

[0017] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0018] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element; the terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] See attached document Figure 1-7 This utility model provides a rear bracket with silicone carbon powder spacers, including a motor. The motor includes a rear bracket 1. Carbon brushes 2 are inserted into both the left and right sides of the rear bracket 1. Blocking spacers 3 are sleeved on the opposite sides of the two carbon brushes 2. The outer sides of the two blocking spacers 3 away from the opposite sides of the carbon brushes 2 are detachably connected to the left and right ends of the rear bracket 1, respectively.

[0021] The blocking sleeve 3 covers the carbon brush 2 and the rear support 1. Through the physical structure of the blocking sleeve 3, it effectively blocks the conductive path formed by the carbon powder between the rear support 1 and the carbon brush 2, preventing the motor product from experiencing voltage breakdown during use and effectively improving the service life of the motor product.

[0022] In this embodiment, the blocking sleeve 3 includes a first baffle 4 and a second baffle 5. A spacer groove 6 is divided between the first baffle 4 and the second baffle 5 to block the conductive path of the carbon powder. The middle part of the first baffle 4 is fixedly provided with an assembly hole 41 that matches the carbon brush 2. The middle part of the first baffle 4 is sleeved with the outside of the carbon brush 2. The outer side of the first baffle 4 facing the rear support 1 is fixedly connected with the outer side of the second baffle 5. The second baffle 5 extends to the outer side of the rear support 1 and has a partition gap 51. The middle part of the second baffle 5 forms a cover with the inner wall and the outer wall of the rear support 1.

[0023] The first baffle 4 and the second baffle 5 cooperate to form a gap 6, which effectively blocks the conductive path formed by carbon powder adhesion. The first baffle 4 completes the installation of the blocking sleeve 3 on the outside of the carbon brush 2 through the assembly hole 41. The second baffle 5 has a partition gap 51, which can be bent to complete the assembly of the second baffle 5 on the rear bracket 1. Compared with the existing blocking sleeve 3 structure, it forms an effective insulating wrapping layer on the inner and outer sides of the rear bracket 1. It does not need to be assembled on the motor product at the same time as the carbon brush 2 assembly. It can be adjusted according to the customer's usage needs and product technical requirements, which improves the production flexibility of motors equipped with this blocking sleeve 3, simplifies the assembly method of motor products, and improves the production efficiency of motor products.

[0024] In this embodiment, the motor includes an output shaft 7. From top to bottom, the outer side of the output shaft 7 is fixedly provided with an inner rotor fan blade 71, an end plate 72, a commutator 73, and an outer fan blade 74. The commutator 73 is located between the opposite sides of the two carbon brushes 2. The outer fan blade 74 is located outside the rear bracket 1. The bottom of the output shaft 7 is movably connected to the middle of the rear bracket 1 through a bearing. The bottom of the end plate 72 is fixedly provided with a rotor core 75.

[0025] The output shaft 7 serves as the core structural component, assembling components such as the rotor internal fan blade 71, commutator 73, external fan blade 74, and short plate, thus forming the basic structural design of the motor.

[0026] In this embodiment, the motor includes a front bracket 8, the middle part of which is movably connected to the top of the output shaft 7 via a bearing, and screws 81 are provided on both the left and right sides of the bottom of the front bracket 8, with the bottom of the screws 81 threadedly connected to the top of the rear bracket 1.

[0027] The front frame and rear bracket 1 are assembled with screws 81, and together with the external components of the output shaft 7, they form a complete motor product. By configuring the blocking sleeve 3, the material flow of the motor product is blocked from forming a conductive path due to carbon powder adhesion between the carbon brush 2 and the rear bracket 1.

[0028] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A rear support bracket with a silicone carbon powder spacer, comprising a motor, characterized in that: The motor includes a rear bracket (1), carbon brushes (2) are inserted into both the left and right sides of the rear bracket (1), and blocking sleeves (3) are sleeved on the opposite sides of the two carbon brushes (2). The outer sides of the two blocking sleeves (3) away from the opposite sides of the carbon brushes (2) are detachably connected to the left and right ends of the rear bracket (1).

2. The rear support with silicone carbon powder spacer according to claim 1, characterized in that: The blocking sleeve (3) includes a first baffle (4) and a second baffle (5), and there is a spacer groove (6) between the first baffle (4) and the second baffle (5) to block the conductive path of the toner.

3. The rear support with silicone carbon powder spacer according to claim 2, characterized in that: The first baffle (4) has a mounting hole (41) for cooperating with the carbon brush (2) fixed in the middle. The middle of the first baffle (4) is sleeved with the outside of the carbon brush (2). The outer side of the first baffle (4) facing the rear bracket (1) is fixedly connected to the outer side of the second baffle (5).

4. The rear support with silicone carbon powder spacer according to claim 2, characterized in that: The second baffle (5) extends to the outside of the rear bracket (1) and has a partition gap (51). The middle part of the second baffle (5) covers the inner and outer walls of the rear bracket (1).

5. The rear support with silicone carbon powder spacer according to claim 1, characterized in that: The motor includes an output shaft (7), and from top to bottom, the outer side of the output shaft (7) is fixed with an inner rotor fan blade (71), an end plate (72), a commutator (73) and an outer fan blade (74). The commutator (73) is located between the opposite sides of the two carbon brushes (2), and the outer fan blade (74) is located outside the rear bracket (1). The bottom of the output shaft (7) is movably connected to the middle part of the rear bracket (1) through a bearing.

6. The rear support with silicone carbon powder spacer according to claim 5, characterized in that: The bottom of the end plate (72) is fixed with a rotor core (75).

7. The rear support with silicone carbon powder spacer according to claim 1, characterized in that: The motor includes a front bracket (8), the middle part of which is movably connected to the top of the output shaft (7) via a bearing. Screws (81) are provided on both the left and right sides of the bottom of the front bracket (8), and the bottom of the screws (81) is threadedly connected to the top of the rear bracket (1).

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