Motor bearing end cover fixing device

Through the matching design of the rotary plate, casing and wedge-shaped top rod, the problem of unstable fixing of the end cap of the motor bearing is solved, and the stable fixing and sealing effect is achieved, extending the service life of the motor.

CN223093589UActive Publication Date: 2025-07-11JINHUA HONGHAO MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202421490353.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-07-11
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing motor bearing end cover fixing method is prone to loosening and falling off, affecting the service life of the motor.

Method used

The threaded connection between the rotary plate and the sleeve is adopted, the sliding connection between the moving plate and the sleeve is used, and the rotation connection between the hinged rod and the wedge-shaped top rod is used to drive the movement of the moving plate. The wedge-shaped top rod and the stopper cooperate to clamp and fix the rod.

Benefits of technology

It realizes stable fixation of the end cap of the motor bearing, simple structure, easy to use, can be fast fixed and sealed, and extends the service life of the motor.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223093589U_ABST
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Abstract

The utility model belongs to the technical field of motors, particularly relates to a motor bearing end cover fixing device, and aims to solve the problems that an existing motor bearing end cover is not good enough in fixing effect, is easy to loosen and fall off after being used for a long time, affects the service life of a whole motor, and is not convenient to install due to the adoption of screw fixing and riveting fixing modes. According to the technical scheme, the motor bearing end cover fixing device comprises a machine body, a cover plate is arranged on one side of the machine body, a clamping mechanism is arranged on the cover plate, an output shaft is arranged on one side of the machine body, and a threaded sleeve is fixedly installed on one side of the cover plate; the outer side of the threaded sleeve is in threaded connection with a rotating plate, and the clamping mechanism is in transmission connection with the rotating plate. The bearing end cover is simple in structure and convenient to use, the bearing end cover and the motor can be fixed quickly and conveniently, meanwhile, the bearing end cover and the motor can be placed in a sealed mode, and people can use the bearing end cover and the motor conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a fixing device for a motor bearing end cover. Background Art

[0002] Motor end cover: It is the cover of the motor housing. Generally, it is divided into a front cover and a rear cover, which are used to fix and support the motor rotating shaft. Generally speaking, the whole motor is fixed by the front and rear end covers of the motor through the rotating shaft. The materials of the motor end cover are generally metals, including aluminum, aluminum casting, cold stamping steel, plastic, bakelite, etc. Generally, different materials are selected according to different types of motors. For example, most automobile motors are made of cold stamping steel, and large motors use die-casting technology.

[0003] The fixing effect of the existing motor bearing end cover is not good enough. The fixing methods of using screws and riveting are simple to install, but they are prone to looseness and fall off after a long time of use, affecting the service life of the whole motor and making it inconvenient to fix the motor bearing end cover effectively for a long time. Content of the Utility Model

[0004] The purpose of the utility model is to solve the shortcomings that the fixing effect of the existing motor bearing end cover is not good enough. The fixing methods of using screws and riveting are simple to install, but they are prone to looseness and fall off after a long time of use, affecting the service life of the whole motor and making it inconvenient to fix the motor bearing end cover effectively for a long time, and to propose a fixing device for a motor bearing end cover.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A fixing device for a motor bearing end cover, including a machine body, a cover plate is arranged on one side of the machine body, a clamping mechanism is arranged on the cover plate, an output shaft is arranged on one side of the machine body, a threaded sleeve is fixedly installed on one side of the cover plate, a rotating plate is threadedly connected to the outside of the threaded sleeve, the clamping mechanism is in transmission connection with the rotating plate, a sealing gasket is installed on the left side of the cover plate, and the sealing gasket cooperates with the machine body.

[0007] Preferably, the clamping mechanism includes a plurality of clamping rods, the plurality of clamping rods are fixedly installed on the outside of the machine body, a plurality of positioning holes are formed in the cover plate, a blocking block is fixedly installed at one end of the clamping rod, and the blocking block penetrates through the positioning hole.

[0008] Preferably, a plurality of fixing seats are fixedly installed on one side of the cover plate, fixing holes are formed in the fixing seats, a wedge-shaped ejector rod is slidably connected to the inner wall of the fixing hole, and the wedge-shaped ejector rod cooperates with the corresponding blocking block.

[0009] Preferably, a notch is formed at one end of the wedge-shaped ejector rod, and the notch cooperates with the clamping rod.

[0010] Preferably, a moving plate is slidably connected to the outer side of the threaded sleeve. A plurality of hinge rods are rotatably connected to the moving plate. The hinge rods are rotatably connected to the corresponding wedge-shaped ejector rods, and the rotating plate is rotatably connected to the moving plate.

[0011] Preferably, an annular chute is formed on one side of the rotating plate. Two connecting blocks are slidably connected to the inner wall of the annular chute. The two connecting blocks are fixedly connected to the moving plate. A positioning groove is formed on the inner wall of the annular chute. A positioning block is fixedly installed on one side of the connecting block. The positioning block is slidably connected to the positioning groove.

[0012] Compared with the prior art, the advantages of the present utility model are as follows:

[0013] In this solution, due to the threaded connection between the rotating plate and the sleeve, the sliding connection between the moving plate and the sleeve, and the rotating connection between the hinge rod and the moving plate and the wedge-shaped ejector rod, the rotating rotating plate drives the moving plate to move, and then the wedge-shaped ejector rod and the stopper can be driven to clamp the clamping rod, so as to install and fix the cover plate.

[0014] The structure of the present utility model is simple and easy to use. It can facilitate the quick and convenient fixation between the bearing end cover and the motor, and at the same time, it can also be hermetically placed, which is convenient for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural view of a motor bearing end cover fixing device proposed by the present utility model;

[0016] Figure 2 is a schematic side view structural view of a motor bearing end cover fixing device proposed by the present utility model;

[0017] Figure 3 is a schematic view of part A of a motor bearing end cover fixing device proposed by the present utility model.

[0018] In the figure: 1, body; 2, cover plate; 3, sealing gasket; 4, clamping rod; 5, positioning hole; 6, stopper; 7, fixed seat; 8, fixing hole; 9, wedge-shaped ejector rod; 10, notch; 11, output shaft; 12, threaded sleeve; 13, moving plate; 14, hinge rod; 15, rotating plate; 16, annular chute; 17, connecting block; 18, positioning groove; 19, positioning block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present embodiment, rather than all of the embodiments.

[0020] Embodiment 1

[0021] Refer to Figures 1 - 3, a fixing device for the end cover of a motor bearing, comprising a body 1, a cover plate 2 is provided on one side of the body 1, a clamping mechanism is provided on the cover plate 2, an output shaft 11 is provided on one side of the body 1, a threaded sleeve 12 is fixedly installed on one side of the cover plate 2, a rotating plate 15 is threadedly connected to the outside of the threaded sleeve 12, the clamping mechanism is in transmission connection with the rotating plate 15, a sealing gasket 3 is installed on the left side of the cover plate 2, and the sealing gasket 3 cooperates with the body 1.

[0022] In this embodiment, the clamping mechanism includes a plurality of clamping rods 4, the plurality of clamping rods 4 are fixedly installed on the outside of the body 1, a plurality of positioning holes 5 are formed on the cover plate 2, a stop block 6 is fixedly installed at one end of the clamping rod 4, the stop block 6 penetrates through the positioning hole 5, a plurality of fixing seats 7 are fixedly installed on one side of the cover plate 2, a fixing hole 8 is formed on the fixing seat 7, a wedge-shaped ejector rod 9 is slidably connected to the inner wall of the fixing hole 8, the wedge-shaped ejector rod 9 cooperates with the corresponding stop block 6, a notch 10 is formed at one end of the wedge-shaped ejector rod 9, the notch 10 cooperates with the clamping rod 4, and the moving wedge-shaped ejector rod 9 moves to the lower side of the clamping rod 4 through the cooperation with the stop block 6, and then presses the clamping rod 4 through the stop block 6, so as to squeeze and fix between the cover plate 2 and the body 1.

[0023] In this embodiment, a moving plate 13 is slidably connected to the outside of the threaded sleeve 12, a plurality of hinge rods 14 are rotatably connected to the moving plate 13, the hinge rods 14 are rotatably connected to the corresponding wedge-shaped ejector rods 9, the rotating plate 15 is rotatably connected to the moving plate 13, an annular chute 16 is formed on one side of the rotating plate 15, two connecting blocks 17 are slidably connected to the inner wall of the annular chute 16, the two connecting blocks 17 are fixedly connected to the moving plate 13, a positioning groove 18 is formed on the inner wall of the annular chute 16, a positioning block 19 is fixedly installed on one side of the connecting block 17, and the positioning block 19 is slidably connected to the positioning groove 18. The sliding connection between the annular chute 16 and the connecting block 17 can stabilize the rotating state of the rotating plate 15, and the sliding connection between the positioning groove 18 and the positioning block 19 can position between the moving plate 13 and the rotating plate 15. Moreover, the rotating rotating plate 15 drives the moving plate 13 to move through the threaded connection of the threaded sleeve 12, and the moving plate 13 pushes the wedge-shaped ejector rod 9 to move through the hinge rod 14.

[0024] In this embodiment, during operation, the clamping rod 4 and the stopper 6 are passed through the positioning hole 5, and the stopper 6 is moved out of one side of the cover plate 2. Then, the rotating plate 15 is rotated. The rotating rotating plate 15 drives the moving plate 13 to move through the threaded connection of the threaded sleeve 12. The moving plate 13 pushes the wedge-shaped ejector rod 9 to move through the hinge rod 14. The sliding connection between the annular chute 16 and the connecting block 17 can stabilize the rotating state of the rotating plate 15, and the sliding connection between the positioning groove 18 and the positioning block 19 can thus position between the moving plate 13 and the rotating plate 15. The moving wedge-shaped ejector rod 9 cooperates with the stopper 6, and thus moves below the clamping rod 4 through the notch 10, and then presses the clamping rod 4 through the stopper 6, so as to squeeze and fix between the cover plate 2 and the machine body 1.

[0025] Embodiment 2

[0026] The difference between this embodiment and Embodiment 1 is that: an oil injection mechanism is provided on the threaded sleeve 12. The setting of the oil injection mechanism can lubricate the output shaft 11 and the threaded sleeve 12, and reduce the friction force when the output shaft 11 rotates. All the structures in this application can be selected for materials and lengths according to the actual use situation. The drawings are all schematic structural diagrams, and appropriate adjustments can be made to the specific actual dimensions.

[0027] As mentioned above, the above is only the preferred specific implementation manner of this embodiment, but the protection scope of this embodiment is not limited thereto. Any person skilled in the art within the technical scope disclosed in this embodiment, according to the technical solution of this embodiment and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of this embodiment.

Claims

1. A fixing device for the bearing end cover of a motor, comprising a machine body (1), characterized in that, One side of the body (1) is provided with a cover plate (2). A clamping mechanism is arranged on the cover plate (2). An output shaft (11) is arranged on one side of the body (1). A threaded sleeve (12) is fixedly installed on one side of the cover plate (2). A rotating plate (15) is threadedly connected to the outer side of the threaded sleeve (12). The clamping mechanism is in transmission connection with the rotating plate (15). A sealing gasket (3) is installed on the left side of the cover plate (2). The sealing gasket (3) cooperates with the body (1).

2. The fixing device for the motor bearing end cover according to claim 1, characterized in that, The clamping mechanism includes a plurality of clamping rods (4). The plurality of clamping rods (4) are fixedly installed on the outer side of the body (1). A plurality of positioning holes (5) are formed in the cover plate (2). A stop block (6) is fixedly installed at one end of the clamping rod (4). The stop block (6) penetrates through the positioning hole (5).

3. The fixing device for the motor bearing end cover according to claim 2, characterized in that, A plurality of fixing seats (7) are fixedly installed on one side of the cover plate (2). A fixing hole (8) is formed in the fixing seat (7). A wedge-shaped ejector rod (9) is slidably connected to the inner wall of the fixing hole (8). The wedge-shaped ejector rod (9) cooperates with the corresponding stop block (6).

4. A fixing device for the end cover of a motor bearing according to claim 3, characterized in that, A notch (10) is formed at one end of the wedge-shaped ejector rod (9). The notch (10) cooperates with the clamping rod (4).

5. A fixing device for a motor bearing end cover according to claim 4, characterized in that, A moving plate (13) is slidably connected to the outer side of the threaded sleeve (12). A plurality of hinge rods (14) are rotatably connected to the moving plate (13). The hinge rods (14) are rotatably connected to the corresponding wedge-shaped ejector rods (9). The rotating plate (15) is rotatably connected to the moving plate (13).

6. The fixing device for the motor bearing end cover according to claim 5, wherein An annular sliding groove (16) is formed on one side of the rotating plate (15). Two connecting blocks (17) are slidably connected to the inner wall of the annular sliding groove (16). The two connecting blocks (17) are fixedly connected to the moving plate (13). A positioning groove (18) is formed in the inner wall of the annular sliding groove (16). A positioning block (19) is fixedly installed on one side of the connecting block (17). The positioning block (19) is slidably connected to the positioning groove (18).