Novel bearing pressing device

Abstract

According to the novel bearing pressing device, a motor shaft sequentially penetrates through a motor rotor, a first bearing pressing plate and a motor end cover, a motor bearing is placed in a bearing chamber, the outer side of the bearing chamber is of a threaded structure, an annular groove is formed in the first bearing pressing plate, an internal thread is arranged on the inner wall of the annular groove, and the first bearing pressing plate is rotated, so that the motor bearing is tightly pressed. The first bearing pressing plate is fixed on the bearing chamber under the action of the thread structure, at the moment, the boss can act on an outer ring of the motor bearing and can play a role in fastening and axially positioning the motor bearing, the first bearing pressing plate is in threaded connection with the bearing chamber, assembly investment is reduced, installation is convenient, working hours are saved, and the bearing chamber is simple in structure and convenient to use. And the thread structure is adjustable.

Description

Technical Field

[0001] The utility model relates to the technical field of a first bearing pressing plate of a motor, in particular to a novel bearing pressing device. Background Art

[0002] The motor's first bearing pressure plate structure involves multiple components and details, and its main purpose is to fix the bearing and provide necessary support and adjustment functions;

[0003] The existing motor bearing pressure plate and the motor end cover are fixed with screws. Because they are located between the end cover and the rotor, the space is small, the screw installation operation is inconvenient, the work time is long, and there is a risk of the screw falling off; the pressure plate and the bearing outer ring are uncontrollable. Figure 1 . Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a novel bearing pressing device.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new bearing clamping device, comprising a motor end cover, a motor shaft, a motor rotor, a motor bearing and a first bearing pressure plate, wherein the motor shaft passes through the motor rotor, the first bearing pressure plate and the motor end cover in sequence, a bearing chamber is fixedly provided in the middle part of the motor end cover, the motor bearing is placed inside the bearing chamber, the outer side of the bearing chamber is a threaded structure, an annular groove is provided on the first bearing pressure plate, an internal thread is provided on the inner wall of the annular groove, the bearing chamber can be inserted into the interior of the annular groove and cooperate with the internal thread on the inner wall of the annular groove, a boss is fixedly provided on the inner ring of the first bearing pressure plate, and the boss can limit the outer ring of the motor bearing.

[0008] Furthermore, the present invention has been improved in that the boss is an annular structure.

[0009] Furthermore, the present invention is improved in that the bearing chamber and the motor end cover are an integrated structure.

[0010] Furthermore, the present invention is improved in that the first bearing pressure plate is made of stainless steel.

[0011] (3) Beneficial effects

[0012] Compared with the prior art, the present invention provides a new bearing pressing device with the following features:

[0013] Beneficial effects:

[0014] The new type bearing pressing device, rotating the first bearing pressing plate, through the action of the screw structure, makes the first bearing pressing plate fixed on the bearing chamber, at this time the boss can act on the outer ring of the motor bearing, can play the role of fastening and axial positioning the motor bearing, the structure makes the first bearing pressing plate and the bearing chamber adopt the threaded connection, reduces the component investment, is convenient when installing, saves the working hours, and the screw structure is adjustable, can effectively control the cooperation degree of the first bearing pressing plate and the outer ring of the motor bearing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of prior art product;

[0016] Figure 2 It is the sectional view of the utility model;

[0017] Figure 3 It is the structural schematic diagram of the first bearing pressing plate in the utility model;

[0018] Figure 4 It is the structural schematic diagram of the motor end cover in the utility model

[0019] In the drawing: 1, motor end cover;2, motor shaft;3, motor rotor;4, motor bearing;5, first bearing pressing plate;6, bearing chamber;7, annular groove;8, boss;9, second bearing pressing plate;10, mounting screw. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model discloses a new type bearing pressing device, including motor end cover 1, motor shaft 2, motor rotor 3, motor bearing and first bearing pressing plate 5, motor shaft 2 passes through motor rotor 3, first bearing pressing plate 5 and motor end cover 1 in proper order, the middle part of motor end cover 1 is fixedly arranged bearing chamber 6, and motor bearing is placed in the inside of bearing chamber 6, and the outside of bearing chamber 6 is threaded structure, the annular groove 7 is equipped on first bearing pressing plate 5, the inner wall of annular groove 7 is equipped with internal thread, bearing chamber 6 can be inserted into the inside of annular groove 7 and is matched with the internal thread on the inner wall of annular groove 7, and the inner ring of first bearing pressing plate 5 is fixedly arranged boss 8, and boss 8 can limit the outer ring of motor bearing;

[0022] Place the motor bearing inside the bearing chamber 6, so that the motor shaft 2 passes through the motor rotor 3, the first bearing pressure plate 5 and the motor end cover 1 in sequence, and then rotate the first bearing pressure plate 5. Through the action of the threaded structure, the first bearing pressure plate 5 is fixed on the bearing chamber 6. At this time, the boss 8 can act on the outer ring of the motor bearing, which can tighten and axially position the motor bearing. This structure enables the first bearing pressure plate 5 and the bearing chamber 6 to be threadedly connected, reducing component investment, facilitating installation, saving labor hours, and the threaded structure is adjustable, which can effectively control the degree of fit between the first bearing pressure plate 5 and the outer ring of the motor bearing.

[0023] Furthermore, the boss 8 is an annular structure.

[0024] Furthermore, the bearing chamber 6 and the motor end cover 1 are an integrated structure.

[0025] Furthermore, the first bearing pressure plate 5 is made of stainless steel, which has the advantages of high hardness and strong corrosion resistance.

[0026] In the description herein, it should be noted that relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

Claims

1. A new bearing pressing device, characterized by: The motor comprises a motor end cover (1), a motor shaft (2), a motor rotor (3), a motor bearing and a first bearing pressure plate (5), wherein the motor shaft (2) passes through the motor rotor (3), the first bearing pressure plate (5) and the motor end cover (1) in sequence, a bearing chamber (6) is fixedly provided in the middle part of the motor end cover (1), the motor bearing is placed inside the bearing chamber (6), the outer side of the bearing chamber (6) is a threaded structure, an annular groove (7) is provided on the first bearing pressure plate (5), an inner wall of the annular groove (7) is provided with an internal thread, the bearing chamber (6) can be inserted into the inner wall of the annular groove (7) and matched with the internal thread on the inner wall of the annular groove (7), a boss (8) is fixedly provided on the inner ring of the first bearing pressure plate (5), and the boss (8) can limit the outer ring of the motor bearing.

2. A new bearing pressing device according to claim 1, characterized in that: The boss (8) is an annular structure.

3. A new bearing pressing device according to claim 2, characterized in that: The bearing chamber (6) and the motor end cover (1) are an integrated structure.

4. A new bearing pressing device according to claim 3, characterized in that: The first bearing pressure plate (5) is made of stainless steel.

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