Brushless motor rotating shaft structure

Abstract

The utility model discloses a brushless motor rotating shaft structure, which comprises a brushless motor assembly and a connection fixing assembly, the connection fixing assembly is arranged at the top of the brushless motor assembly, and the brushless motor assembly comprises a brushless motor main body and a rotating shaft body. The connection fixing assembly comprises an external thread, a positioning seat, a threaded frame, a flange plate, a clamping seat, a moving groove, a first spring, a fixing disc, a positioning column, a fixing groove, a cylindrical seat, an internal thread, a first sliding groove, a first sliding block, a clamping rod, a second sliding groove, a second spring, a second sliding block and a fixing rod. The rotating shaft body rotates in an inner cavity of the brushless motor body through a bearing. The brushless motor rotating shaft structure provided by the utility model has the advantages of convenient connection and firm fixation, and solves the problems of long operation time and poor connection effect during connection caused by the fact that a rotating shaft of a brushless motor in the prior art cannot be connected with members with different joints during use.

Description

TECHNICAL FIELD

[0001] The utility model relates to brushless motor rotating shaft technical field, concretely relates to a brushless motor rotating shaft structure. BACKGROUND

[0002] The brushless DC motor is composed of a motor main body and a driver, and is a typical mechatronic product. Since the brushless DC motor operates in a self-control mode, it does not need to add a starting winding to the rotor like a synchronous motor under heavy load starting of frequency conversion speed regulation, and it also does not produce oscillation and step-out when the load suddenly changes. The permanent magnet of the small and medium capacity brushless DC motor is now mostly made of high magnetic energy level rare earth neodymium iron boron material, so the volume of the rare earth permanent magnet brushless motor is reduced by one frame size compared with the same capacity three-phase asynchronous motor.

[0003] The rotating shaft is connected with the shell through a bearing and bears the rotating support of the rotor assembly, and the diameter design affects the rotation stability and load capacity. In daily life, such as range hood, air conditioner and washing machine, etc. Life appliances cannot do without the use of brushless motor. The brushless motor of the prior art cannot be connected with components of different joints during use, which leads to a long operation time during connection and poor connection effect. Therefore, a brushless motor rotating shaft structure is urgently needed to overcome the above defects. UTILITY MODEL CONTENTS

[0004] The utility model discloses a brushless motor rotating shaft structure, has the advantages of convenient connection and firm fixing, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a brushless motor rotating shaft structure, including brushless motor assembly and link fixed assembly, the link fixed assembly sets up at the top of brushless motor assembly, the brushless motor assembly includes brushless motor main body and rotating shaft body, the link fixed assembly includes external thread, positioning seat, thread frame, flange, clamping seat, moving groove, first spring, fixed disc, positioning column, fixed groove, cylindrical seat, internal thread, first sliding slot, first sliding block, clamping rod, second sliding slot, second spring, second sliding block and fixed rod.

[0006] Further, the rotating shaft body rotates in the inner chamber of the brushless motor main body through the bearing, the flange is sleeved on the surface of the cylindrical seat, the external thread is opened on the surface of the cylindrical seat, and the internal thread is opened on the inner surface of the cylindrical seat.

[0007] Further, the positioning seat is uniformly installed on the surface of the cylindrical seat, the thread frame rotates in the inside of the positioning seat through the thread, the clamping seat is fixedly installed at the bottom of the cylindrical seat, and the clamping rod is fixedly installed on both sides of the bottom of the flange.

[0008] Further, the second sliding slot is arranged in the inner part of the clamping rod, the second sliding block is slidably arranged in the inner part of the second sliding slot, the second spring is fixedly arranged in the inner cavity of the second sliding slot and located at the top of the second sliding block, and the outer side of the second sliding block is fixedly arranged with the fixed rod.

[0009] Further, the moving slots are arranged on both sides of the inner cavity of the clamping seat, the top of the rotating shaft body penetrates into the inner cavity of the clamping seat, the positioning column is arranged in the inner cavity of the moving slot, and the fixed disc is fixedly arranged on the side relatively far away from the positioning column.

[0010] Further, the fixed disc is fixedly arranged with two first springs on the side relatively close to the positioning column, the first spring is fixedly connected with the surface of the clamping seat on the side relatively close to the positioning column, the first sliding slot is arranged in the inner part of the positioning column, and the first sliding block is slidably arranged in the inner cavity of the first sliding slot.

[0011] Further, the two sides of the first sliding block are fixedly connected with the inner cavity of the moving slot, the fixed slot is arranged in the inner part of the rotating shaft body, the side relatively close to the positioning column penetrates into the inner part of the rotating shaft body through the fixed slot, and the outer side of the fixed disc is in contact with the inner side of the fixed rod.

[0012] As the above-mentioned technology is adopted, the beneficial effects of the present application are as follows:

[0013] The connecting component is fixedly connected with the rotating shaft body through the clamping seat, the fixed disc and the fixed rod, and the rotating shaft body is connected with the connecting component through the flange plate or the threaded connection, so that the rotating shaft body can be connected with different connecting components, the operation time is shortened, and the connection effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the present application;

[0015] Figure 2 It is another perspective structural schematic view of the present application;

[0016] Figure 3 The utility model discloses Figure 2 Partial close -up drawing at A in middle;

[0017] Figure 4 The utility model discloses The utility model discloses

[0018] The utility model discloses Figure 5 The utility model discloses Figure 4 Partial close -up drawing at B in middle.

[0019] In the drawing: 1, brushless motor assembly;11, brushless motor main body;12, rotating shaft body;2, link fixed component;21, outer thread;22, positioning seat;23, threaded frame;24, flange plate;25, clamping seat;26, moving groove;27, first spring;28, fixed disc;29, positioning column;291, fixed groove;292, cylindrical seat;293, inner thread;294, first sliding slot;295, first sliding block;296, clamping rod;297, second sliding slot;298, second spring;299, second sliding block;210, fixed rod. Specific implementation

[0020] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the following will combine the drawings in the utility model embodiment to clearly and completely describe the technical scheme in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0021] The utility model provides Figures 1-5 As shown in a kind of brushless motor rotating shaft structure, including brushless motor assembly 1 and link fixed component 2, the link fixed component 2 is arranged at the top of brushless motor assembly 1, the brushless motor assembly 1 includes brushless motor main body 11 and rotating shaft body 12, the link fixed component 2 includes outer thread 21, positioning seat 22, threaded frame 23, flange plate 24, clamping seat 25, moving groove 26, first spring 27, fixed disc 28, positioning column 29, fixed groove 291, cylindrical seat 292, inner thread 293, first sliding slot 294, first sliding block 295, clamping rod 296, second sliding slot 297, second spring 298, second sliding block 299 and fixed rod 210;

[0022] More specifically, by setting the adapter fixing assembly 2, the brushless motor assembly 1 is conveniently and stably connected with the connecting object. When connecting, first place the clamping seat 25 on the surface of the rotating shaft body 12, then loosen the first spring 27, and under the action of the first spring 27, the fixing disc 28 drives the positioning column 29 to penetrate into the inside of the rotating shaft body 12 through the fixing groove 291, thereby fixing the connection between the rotating shaft body 12 and the clamping seat 25. After fixing, loosen the fixing rod 210, and under the action of the second spring 298, the second sliding block 299 drives the fixing rod 210 to move downward, thereby fixing the outside of the fixing disc 28, ensuring the stability between the rotating shaft body 12 and the clamping seat 25. When connecting through the flange plate 24, the bolt can be inserted into the inside of the flange plate 24 and fixed with the connecting object. When connecting through threads, the inner thread 293 or the outer thread 21 can be used for connection. After connection, rotate the threaded frame 23, and the threaded frame 23 penetrates into the inside of the connecting object, further fixing it to make the connection stable, having the advantages of convenient connection and firm fixing.

[0023] In some embodiments, the rotating shaft body 12 rotates in the inner cavity of the brushless motor body 11 through a bearing, the flange plate 24 is sleeved on the surface of the cylindrical seat 292, the outer thread 21 is opened on the surface of the cylindrical seat 292, and the inner thread 293 is opened on the inner surface of the cylindrical seat 292. More specifically, the flange plate 24, the inner thread 293 and the outer thread 21 are provided to facilitate the connection of the rotating shaft body 12 with the component.

[0024] In some embodiments, the positioning seat 22 is uniformly installed on the surface of the cylindrical seat 292, the threaded frame 23 rotates in the inside of the positioning seat 22 through threads, the clamping seat 25 is fixedly installed at the bottom of the cylindrical seat 292, and the clamping rods 296 are fixedly installed on both sides of the bottom of the flange plate 24. More specifically, the positioning seat 22 is provided to limit the threaded frame 23, and the clamping seat 25 is provided to accommodate the rotating shaft body 12.

[0025] In some embodiments, the second sliding groove 297 is opened in the inside of the clamping rod 296, the second sliding block 299 slides in the inside of the second sliding groove 297, the second spring 298 is fixedly installed in the inner cavity of the second sliding groove 297 and located at the top of the second sliding block 299, and the fixing rod 210 is fixedly installed on the outside of the second sliding block 299. More specifically, the second sliding groove 297 is provided to limit the second sliding block 299, preventing the second sliding block 299 from shaking during movement, and the second sliding block 299 is provided to limit the fixing rod 210, preventing the fixing rod 210 from shaking during movement.

[0026] In some embodiments, the moving grooves 26 are arranged on both sides of the inner cavity of the card seat 25, the top of the rotating shaft body 12 penetrates into the inner cavity of the card seat 25, the positioning column 29 is arranged in the inner cavity of the moving groove 26, and the side relatively far away from the positioning column 29 is fixedly installed with the fixed disc 28. More specifically, the outer side of the fixed disc 28 is limited by the fixed rod 210, and the second sliding block 299 is reset by the second spring 298.

[0027] In some embodiments, the side relatively close to the fixed disc 28 is fixedly installed with two first springs 27, the side relatively close to the first spring 27 is fixedly connected with the surface of the card seat 25, the first sliding groove 294 is arranged in the inner side of the positioning column 29, and the first sliding block 295 slides in the inner cavity of the first sliding groove 294. More specifically, the first sliding block 295 is limited by the first sliding groove 294, and the positioning column 29 is limited by the first sliding block 295, so that the positioning column 29 is prevented from shaking during movement.

[0028] In some embodiments, the two sides of the first sliding block 295 are fixedly connected with the inner cavity of the moving groove 26, the fixed groove 291 is arranged in the inner side of the rotating shaft body 12, the side relatively close to the positioning column 29 penetrates into the inner side of the rotating shaft body 12 through the fixed groove 291, and the outer side of the fixed disc 28 is in contact with the inner side of the fixed rod 210. More specifically, the inner side of the positioning column 29 is limited by the fixed groove 291, so that the inner side of the rotating shaft body 12 is indirectly fixed.

[0029] Working principle:

[0030] Step one: when connecting, first place the card seat 25 on the surface of the rotating shaft body 12, then loosen the first spring 27, and under the action of the first spring 27, the fixed disc 28 drives the positioning column 29 to penetrate into the inner side of the rotating shaft body 12 through the fixed groove 291, so as to fix the connection between the rotating shaft body 12 and the card seat 25. After fixing, loosen the fixed rod 210, and under the action of the second spring 298, the second sliding block 299 drives the fixed rod 210 to move downward, so as to fix the outer side of the fixed disc 28 and ensure the stability between the rotating shaft body 12 and the card seat 25.

[0031] Step two: when the flange plate 24 needs to be connected, the bolt can be inserted into the inner side of the flange plate 24 and fixed with the connected object. When connected by threads, the inner thread 293 or the outer thread 21 can be used for connection. After connection, the threaded frame 23 penetrates into the inner side of the connected object, further fixes it, and has the advantages of convenient connection and firm fixation.

[0032] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacements or changes within the technical range disclosed by the present application, which should be encompassed within the protection scope of the present application.

[0033] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A brushless motor shaft structure, characterized in that: The assembly includes a brushless motor assembly (1) and a connecting and fixing assembly (2). The connecting and fixing assembly (2) is located on the top of the brushless motor assembly (1). The brushless motor assembly (1) includes a brushless motor body (11) and a rotating shaft body (12). The connecting and fixing assembly (2) includes an external thread (21), a positioning seat (22), a threaded bracket (23), a flange (24), a retaining seat (25), a moving groove (26), a first spring (27), a fixing plate (28), a positioning post (29), a fixing groove (291), a cylindrical seat (292), an internal thread (293), a first sliding groove (294), a first slider (295), a retaining rod (296), a second sliding groove (297), a second spring (298), a second slider (299), and a fixing rod (210).

2. The brushless motor shaft structure according to claim 1, characterized in that: The rotating shaft body (12) rotates within the inner cavity of the brushless motor body (11) via a bearing. The flange (24) is fitted onto the surface of the cylindrical seat (292). The external thread (21) is formed on the surface of the cylindrical seat (292), and the internal thread (293) is formed on the inner surface of the cylindrical seat (292).

3. The brushless motor shaft structure according to claim 1, characterized in that: The positioning seat (22) is evenly installed on the surface of the column seat (292), the threaded bracket (23) rotates inside the positioning seat (22) by the thread, the card seat (25) is fixedly installed at the bottom of the column seat (292), and the card rod (296) is fixedly installed on both sides of the bottom of the flange (24).

4. The brushless motor shaft structure according to claim 1, characterized in that: The second slide groove (297) is opened inside the lever (296), the second slider (299) slides inside the second slide groove (297), the second spring (298) is fixedly installed in the inner cavity of the second slide groove (297) and at the top of the second slider (299), and a fixing rod (210) is fixedly installed on the outer side of the second slider (299).

5. The brushless motor shaft structure according to claim 1, characterized in that: The moving slots (26) are all opened on both sides of the inner cavity of the card seat (25). The top of the rotating shaft body (12) extends through the inner cavity of the card seat (25). The positioning post (29) is set in the inner cavity of the moving slot (26). A fixing plate (28) is fixedly installed on the side of the positioning post (29) that is relatively far away from it.

6. The brushless motor shaft structure according to claim 1, characterized in that: Two first springs (27) are fixedly installed on the relatively close side of the fixed plate (28). The relatively close side of the first springs (27) is fixedly connected to the surface of the card seat (25). The first slide groove (294) is opened inside the positioning post (29). The first slider (295) slides in the inner cavity of the first slide groove (294).

7. The brushless motor shaft structure according to claim 1, characterized in that: The first slider (295) is fixedly connected to the inner cavity of the moving groove (26) on both sides. The fixed groove (291) is opened inside the rotating shaft body (12). The relatively close side of the positioning column (29) passes through the fixed groove (291) into the interior of the rotating shaft body (12). The outer side of the fixed plate (28) is in contact with the inner side of the fixed rod (210).

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