Opening adopting device for fixing coil rotating shaft

Abstract

The utility model discloses an opening adopting device for fixing a coil rotating shaft, which comprises a shell, a mounting seat is arranged at one end of the shell, coil rotating shafts are arranged in the middle of the shell and the middle of the mounting seat, a conducting strip is fixedly connected to the outer side wall of each coil rotating shaft, and a locking ring is in threaded connection with the outer side wall of the mounting seat. A limiting frame is fixedly connected in the mounting seat, a carbon brush assembly is arranged in the limiting frame, the carbon brush assembly comprises a carbon brush main body and a limiting block, a spring is fixedly connected between the carbon brush main body and the limiting block, and clamping grooves are formed in the two sides of the end, close to the mounting seat, of the shell. According to the utility model, the shell, the mounting seat, the carbon brush assembly and the end cover are mutually matched, the independent mounting seat is arranged at the end part of the coil shell, and the carbon brush mounting assembly is pre-arranged in the mounting seat, so that not only is the disassembly and replacement convenient, but also the attachment of dust in the external environment can be effectively reduced, and meanwhile, the carbon brush can be conveniently protected; and damage caused by collision is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of coil rotating shafts, in particular to an opening adopting device for fixing a coil rotating shaft. Background Technique

[0002] The coil rotating shaft is an important component in a motor. The coil rotating shaft of the motor is generally powered by a carbon brush and fixed by a carbon brush holder, that is, the carbon brush is used to play the role of adopting the coil rotating shaft. However, after the coil rotating shaft is fixed by such a structure in the prior art, since the carbon brush is a wearing part, the carbon brush assembly will gradually wear with use. Therefore, after using for a period of time, the carbon brush needs to be replaced.

[0003] Currently, when replacing the carbon brush, most of them need to disassemble the entire carbon brush holder, and then the carbon brush can be replaced. In this way, it is more troublesome to use. Therefore, in recent years, a split carbon brush holder has gradually emerged. By providing several carbon brush holders near the rotating shaft, they can be disassembled and installed independently. However, the carbon brush holder and the carbon brush are always exposed to the external environment, and dust in the external environment is more likely to adhere. Dust and dirt will cover the surface of the carbon brush and the motor rotor, affecting their contact performance, and even causing heating, which is likely to accelerate the loss of the carbon brush.

[0004] Therefore, we propose to design an opening adopting device for fixing a coil rotating shaft. Content of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0006] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided by the utility model:

[0007] An opening adopting device for fixing a coil rotating shaft, including a housing. One end of the housing is provided with a mounting seat. Coil rotating shafts are provided in the middle of both the housing and the mounting seat. A conductive sheet is fixedly connected to the outer side wall of the coil rotating shaft. A locking ring is threadedly connected to the outer side wall of the mounting seat. A limiting frame is fixedly connected inside the mounting seat. A carbon brush assembly is arranged inside the limiting frame;

[0008] The carbon brush assembly includes a carbon brush body and a limiting block. A spring is fixedly connected between the carbon brush body and the limiting block.

[0009] As a preferred embodiment of the opening adoption device for fixing the coil rotating shaft of the present utility model, on both sides of one end of the outer shell close to the mounting seat, clamping grooves are provided. On one side of the locking ring close to the outer shell, clamping blocks are fixedly connected. The clamping blocks are arranged in one-to-one correspondence with the clamping grooves in a clamping manner. When the locking ring is tightened outside the mounting seat, the end can just snap the clamping blocks into the clamping grooves to lock the locking ring and prevent the locking ring from easily rotating and loosening during use.

[0010] As a preferred embodiment of the opening adoption device for fixing the coil rotating shaft of the present utility model, on one side of the carbon brush body close to the coil rotating shaft, it is arc-shaped. The arc surface of the carbon brush body is smoothly attached to the outer side wall of the conductive sheet. The arc-shaped carbon brush body can be more closely attached to the outer surface of the conductive sheet.

[0011] As a preferred embodiment of the opening adoption device for fixing the coil rotating shaft of the present utility model, both the carbon brush body and the limiting block are slidably connected to the inner wall of the limiting frame, which is convenient for limiting the installation position and direction of the carbon brush body.

[0012] As a preferred embodiment of the opening adoption device for fixing the coil rotating shaft of the present utility model, on one end of the outer side of the limiting block away from the center of the outer shell, a bevel edge is provided. When installing, the spring needs to be compressed so that the carbon brush body can always be attached to the outside of the conductive sheet. When the locking ring is screwed later, it fits with the bevel edge, and it is convenient to simultaneously squeeze the limiting block during rotation, so that the spring is compressed.

[0013] As a preferred embodiment of the opening adoption device for fixing the coil rotating shaft of the present utility model, four limiting frames are provided. The four limiting frames are evenly distributed on the circumferential side of the inner wall of the mounting seat. The cross-section of the limiting frame is rectangular, and the directions of the limiting frames all face the axis of the coil rotating shaft, which is convenient for determining the installation position of the carbon brush body.

[0014] As a preferred embodiment of the opening adoption device for fixing the coil rotating shaft of the present utility model, on the side of the mounting seat away from the outer shell, a end cover is threadedly connected. The end cover is made of glass, which is convenient for checking the fitting condition of the internal conductive sheet and the carbon brush body, and at the same time, the end cover can be removed for maintenance.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] Through the mutual cooperation among the outer shell, the mounting seat, the carbon brush assembly and the end cover, the present utility model has an independent mounting seat opened at the end of the coil outer shell, and a carbon brush mounting component is preset in the mounting seat. It is not only convenient for disassembly and replacement, but also can effectively reduce the adhesion of dust in the external environment, and at the same time, it is convenient to protect the carbon brush from being damaged by collision. Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0018] Figure 1 Is a perspective view of an opening device for fixing a coil rotating shaft of the present utility model;

[0019] Figure 2 Is a structural schematic diagram of an opening device for fixing a coil rotating shaft of the present utility model;

[0020] Figure 3 Is a cross-sectional structural schematic diagram of the mounting base of an opening device for fixing a coil rotating shaft of the present utility model;

[0021] Figure 4 Is a structural schematic diagram of the carbon brush assembly of an opening device for fixing a coil rotating shaft of the present utility model.

[0022] Legend: 1. Housing; 2. Mounting base; 3. Coil rotating shaft; 4. Locking ring; 5. Card slot; 6. Card block; 7. Limiting frame; 8. Carbon brush assembly; 801. Carbon brush body; 802. Limiting block; 803. Spring; 9. Conductive sheet; 10. Hypotenuse; 11. End cover. Detailed embodiments

[0023] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be made in conjunction with the drawings.

[0024] Secondly, the present utility model will be described in detail in conjunction with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0025] In order to make the purpose, technical solutions, and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail in conjunction with the drawings.

[0026] Please refer to Figures 1-4, the utility model provides an opening device for fixing a coil rotating shaft, which includes a housing 1. One end of the housing 1 is provided with a mounting seat 2. A end cover 11 is threadedly connected to the side of the mounting seat 2 away from the housing 1. The end cover 11 is made of glass, which is convenient for checking the fitting condition of the internal conductive sheet 9 and the carbon brush body 801. At the same time, the end cover 11 can be removed for maintenance.

[0027] Coil rotating shafts 3 are provided in the middle of both the housing 1 and the mounting seat 2. A conductive sheet 9 is fixedly connected to the outer side wall of the coil rotating shaft 3. A locking ring 4 is threadedly connected to the outer side wall of the mounting seat 2. Slots 5 are opened on both sides of one end of the housing 1 close to the mounting seat 2. A clamping block 6 is fixedly connected to the side of the locking ring 4 close to the housing 1. The clamping blocks 6 and the slots 5 are arranged in a one-to-one correspondence and are engaged. When the locking ring 4 is tightened outside the mounting seat 2, the end can just snap the clamping block 6 into the slot 5 to lock the locking ring 4 and prevent the locking ring 4 from easily rotating and loosening during use.

[0028] A limiting frame 7 is fixedly connected inside the mounting seat 2. There are four limiting frames 7, and the four limiting frames 7 are evenly distributed on the circumferential side of the inner wall of the mounting seat 2. The cross section of the limiting frame 7 is rectangular, and the directions of the limiting frames 7 all face the axis of the coil rotating shaft 3, which is convenient for determining the installation position of the carbon brush body 801.

[0029] A carbon brush assembly 8 is arranged inside the limiting frame 7.

[0030] The carbon brush assembly 8 includes a carbon brush body 801 and a limiting block 802. Both the carbon brush body 801 and the limiting block 802 are slidably connected to the inner wall of the limiting frame 7, which is convenient for limiting the installation position and direction of the carbon brush body 801. The side of the carbon brush body 801 close to the coil rotating shaft 3 is arc-shaped, and the arc surface of the carbon brush body 801 is smoothly attached to the outer side wall of the conductive sheet 9. The arc-shaped carbon brush body 801 can be more closely attached to the outer surface of the conductive sheet 9.

[0031] A spring 803 is fixedly connected between the carbon brush body 801 and the limiting block 802. An inclined side 10 is provided at one end of the outer side of the limiting block 802 away from the center of the housing 1. During installation, the spring 803 needs to be compressed so that the carbon brush body 801 can always be attached to the outside of the conductive sheet 9. When the locking ring 4 is subsequently screwed, it fits with the inclined side 10, and it is convenient to simultaneously press the limiting block 802 during rotation, so that the spring 803 is compressed.

[0032] During use, the carbon brush body 801 is connected to an external power supply, and the conductive sheet 9 is electrically connected to the coil inside the housing 1. At this time, under the action of the spring 803, the carbon brush body 801 is always in contact with the conductive sheet 9, and friction is generated when the conductive sheet 9 rotates, causing wear and tear of the carbon brush body 801.

[0033] Since the carbon brush body 801 is located in the limit frame 7 and is protected by the external end cover 11, it can reduce the attachment of dust in the external environment to the surface of the carbon brush, thereby reducing wear and facilitating the extension of the service life of the carbon brush.

[0034] During use, the staff can view the wear condition of the carbon brush body 801 through the transparent end cover 11 at any time, which is convenient for replacement.

[0035] When the carbon brush needs to be replaced, only need to turn the locking ring 4 to disengage it from the mounting seat 2. At this time, the limit block 802 in the limit frame 7 pops out together with the carbon brush body 801 under the action of the spring 803. The carbon brush body 801 includes a carbon brush and a carbon brush fixing seat. At this time, the carbon brush can be pulled out from its corresponding fixing seat for replacement. By turning the locking ring 4 and squeezing the limit block 802, the replaced carbon brush can be reattached to the surface of the conductive sheet 9.

[0036] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An opening device for fixing a coil shaft, comprising a housing (1), characterized in that: A mounting seat (2) is provided at one end of the housing (1), a coil shaft (3) is provided in the middle of the housing (1) and the mounting seat (2), a conductive sheet (9) is fixedly connected to the outer wall of the coil shaft (3), a locking ring (4) is threadedly connected to the outer wall of the mounting seat (2), a limiting frame (7) is fixedly connected inside the mounting seat (2), and a carbon brush assembly (8) is provided inside the limiting frame (7); The carbon brush assembly (8) comprises a carbon brush body (801) and a limit block (802), and a spring (803) is fixedly connected between the carbon brush body (801) and the limit block (802).

2. The coil shaft fixing opening adopting device according to claim 1, characterized in that: The housing (1) has slots (5) on both sides of one end close to the mounting seat (2), and a clamping block (6) is fixedly connected to one side of the locking ring (4) close to the housing (1), and the clamping block (6) is arranged in a one-to-one correspondence with the slots (5).

3. The coil shaft fixing opening adopting device according to claim 1, characterized in that: The carbon brush body (801) is arranged in an arc shape on one side close to the coil shaft (3), and the arc surface of the carbon brush body (801) is smoothly fitted with the outer side wall of the conductive sheet (9).

4. The coil shaft fixing opening adopting device according to claim 1, characterized in that: The carbon brush body (801) and the limiting block (802) are both slidably connected to the inner wall of the limiting frame (7).

5. The coil shaft fixing opening adopting device according to claim 1, characterized in that: A bevel (10) is provided at one end of the outer side of the limit block (802) away from the center of the housing (1).

6. The coil shaft fixing opening adopting device according to claim 1, characterized in that: Four limiting frames (7) are provided, and the four limiting frames (7) are evenly distributed around the inner wall of the mounting seat (2).

7. The coil shaft fixing opening adopting device according to claim 1, characterized in that: An end cover (11) is threadedly connected to a side of the mounting seat (2) away from the housing (1).

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