Size-adjustable insulating frame for motor

Abstract

The utility model discloses a size-adjustable insulating frame for a motor, which comprises a motor fixing frame, the top of the motor fixing frame is fixedly connected with a machine base, the inner wall of the front end of the machine base is fixedly connected with a bearing fixing shaft, the machine base comprises a machine base main body, the front end of the machine base main body is fixedly connected with a front end cover, and the front end cover is fixedly connected with a bearing fixing shaft. The bearing fixing shaft comprises a fixing shaft shell, the outer wall of the fixing shaft shell is movably connected to the inner wall of the front end cover, a plurality of adapting blocks are fixedly connected to the inner wall of the fixing shaft shell, each adapting block comprises an adapting block body, one side of each adapting block body is fixedly connected to the inner wall of the fixing shaft shell, and the other side of each adapting block body is fixedly connected to the inner wall of the fixing shaft shell. A sliding block is slidably connected to the side, away from the fixing shaft shell, of the inner wall of each adaptation block body, and by arranging the adaptation blocks, when a bearing of a rotor iron core needs to be stabilized, the multiple adaptation blocks fixed to the inner wall of the fixing shaft shell automatically adapt to the inner wall of the fixing shaft shell according to the size of the bearing and stabilize the bearing to the inner wall of the fixing shaft shell.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating frames for motors, in particular to an insulating frame for motors with adjustable size. Background Art

[0002] An electric motor (commonly known as a "motor") is an electromagnetic device that realizes the conversion or transmission of electrical energy based on the law of electromagnetic induction. It is divided into electric motors (symbolized by M) and generators (symbolized by G). The stator winding of an ordinary asynchronous motor is connected to the AC power grid, and the rotor winding does not need to be connected to other power sources. Therefore, it has the advantages of simple structure, convenient manufacturing, use and maintenance, reliable operation, small mass and low cost. Asynchronous motors have higher operating efficiency and better working characteristics. They run at a near constant speed from no-load to full-load, and can meet the transmission requirements of most industrial and agricultural production machinery. Asynchronous motors are also easy to derive into various protection types to meet the needs of different environmental conditions. When the asynchronous motor is running, it must absorb reactive excitation power from the power grid, which deteriorates the power factor of the power grid;

[0003] According to the patent document: CN209184343U, an insulating frame for a motor stator and a motor stator are provided, which include a frame body for mounting the stator, the outer end surface of the frame body is circumferentially configured with a plurality of terminals, the terminal is axially provided with a plug hole, the plug hole is used to insert a conductive pin, the stator includes a stator winding, the winding of the stator winding and the motor lead wire are welded together through the conductive pin; the outer side surface of each terminal is configured with a slot opening outward, the motor lead wire is inserted into the slot. The utility model can avoid the use of connecting plates or terminals, reduce the cost of the motor; increase the tensile strength of the motor lead wire, effectively reduce the defective rate of the motor lead wire being pulled off, and improve the quality of the motor.

[0004] When assembling the motor, the rotor core is installed inside the insulating frame or the base, and then the rotor bearing and shaft extend out of the base through the front end cover. The bearing is usually adapted and stabilized by the front end cover, but the front end cover of the base cannot be adjusted according to the size of the rotor core of different models, and cannot be adapted to different models of rotor cores. Utility Model Content

[0005] The utility model aims to provide an insulating frame for a motor with adjustable size, so as to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: an insulating frame for a motor with adjustable size, comprising a motor fixing frame, the top of the motor fixing frame is fixedly connected to a base, and the front inner wall of the base is fixedly connected to a bearing fixing shaft;

[0007] The machine base comprises a machine base body, and a front end cover is fixedly connected to the front end of the machine base body;

[0008] The bearing fixed shaft comprises a fixed shaft housing, the outer wall of the fixed shaft housing is movably connected to the inner wall of the front end cover, and the inner wall of the fixed shaft housing is fixedly connected with a plurality of adapting blocks.

[0009] Preferably, the adaptation block includes an adaptation block main body, one side of the adaptation block main body is fixedly connected to the inner wall of the fixed shaft housing, a side of the inner wall of the adaptation block main body away from the fixed shaft housing is slidably connected with a slider, a side of the slider close to the adaptation block main body is fixedly connected with a spring, and a side of the spring away from the slider is fixedly connected to a side of the inner wall of the adaptation block main body away from the slider.

[0010] Preferably, the inner wall of one side of the sliding block away from the adaption block body is rotatably connected to a rotating block, and one end of the rotating block away from the sliding block is fixedly connected to a limiting block.

[0011] Preferably, the side of the limit block close to the rotating block is fixedly connected to a second spring, the side of the second spring away from the limit block is fixedly connected to a bottom block, and the side of the bottom block away from the limit block is fixedly connected to the inner wall of the fixed shaft housing.

[0012] Preferably, the motor fixing frame includes two fixing legs, and the front and rear sides of the tops of the two fixing legs are respectively fixedly connected with connecting frames, and the tops of the two connecting frames are fixedly connected to the outer wall of the base body.

[0013] Preferably, the inner wall of the fixed leg is rotatably connected to a bidirectional threaded rod, and one end of the bidirectional threaded rod penetrates the outer wall of the fixed leg and is fixedly connected to a turning handle.

[0014] Preferably, transmission blocks are threadedly connected to the left and right sides of the outer wall of the bidirectional threaded rod respectively, and the two transmission blocks are fixedly connected to the fixing frame limit blocks on one side away from the fixed leg, and the two fixing frame limit blocks extend to the outer wall of the fixed leg.

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

[0016] 1. By setting the adaptation blocks, when the bearing of the rotor core needs to be stabilized, several adaptation blocks fixed to the inner wall of the fixed shaft housing automatically adapt according to the size of the bearing and stabilize it on the inner wall of the fixed shaft housing;

[0017] 2. By setting a fixed frame limit block, when fixing is required, since the fixing groove opened at the fixed position does not fit with the fixed leg, the fixed frame limit block is moved to align with the fixing groove opened at the fixed position, and it can be fixed with the help of other tools, which solves the problem of having to re-groove according to the position of the fixed frame limit block for fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the base of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the bearing fixing shaft of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the adaptable block of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the motor fixing frame of the utility model.

[0023] In the figure: 1. motor fixing frame; 11. fixing leg; 12. connecting frame; 13. turning handle; 14. bidirectional threaded rod; 15. transmission block; 16. fixing frame limit block; 2. machine base; 21. machine base body; 22. front end cover; 3. bearing fixing shaft; 31. fixing shaft housing; 32. adaptation block; 321. adaptation block body; 322. sliding block; 323. turning block; 324. limit block; 325. spring; 326. second spring; 327. bottom block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 The utility model provides a technical solution: an insulating frame for a motor with adjustable size, the top of a motor fixing frame 1 is fixedly connected with a base 2, a front end inner wall of the base 2 is fixedly connected with a bearing fixing shaft 3, the bearing fixing shaft 3 is fixed to the top of the motor fixing frame 1, the bearing fixing shaft 3 is installed through the motor fixing frame 1 at some positions where the motor fixing frame 1 needs to be installed, the motor fixing frame 1 can ensure that the installation position remains unchanged according to the hole opened at the position of installing the base 2, and at the same time adjust the two sides of the motor fixing frame 1 to adapt to the opened east, the bearing fixing shaft 3 can automatically use the size of the bearing according to the bearing of the rotor core.

[0026] See also Figure 2 , Figure 3 , Figure 4 The machine base 2 includes a machine base body 21, the front end of the machine base body 21 is fixedly connected to the front end cover 22, the bearing fixed shaft 3 includes a fixed shaft housing 31, the outer wall of the fixed shaft housing 31 is movably connected to the inner wall of the front end cover 22, the inner wall of the fixed shaft housing 31 is fixedly connected to a plurality of adapting blocks 32, the adapting block 32 includes an adapting block body 321, one side of the adapting block body 321 is fixedly connected to the inner wall of the fixed shaft housing 31, a slider 322 is slidably connected to the side of the inner wall of the adapting block body 321 away from the fixed shaft housing 31, a spring 325 is fixedly connected to the side of the slider 322 close to the adapting block body 321, the side of the spring 325 away from the slider 322 is fixedly connected to the side of the inner wall of the adapting block body 321 away from the slider 322, and the inner wall of the slider 322 away from the adapting block body 321 is rotatably connected to a rotating block The cam 326 is fixedly connected to the side of the limit block 324 close to the swivel block 323, and the side of the limit block 324 close to the swivel block 323 is fixedly connected to the second spring 326. The side of the second spring 326 away from the limit block 324 is fixedly connected to the bottom block 327. The side of the bottom block 327 away from the limit block 324 is fixedly connected to the inner wall of the fixed shaft housing 31. When it is necessary to stabilize the bearing of the rotor core, the rotor core is inserted into the inner wall of the fixed shaft housing 31, and the rotor core moves the limit block 324 to rotate through the swivel block 323 so that one side of the limit block 324 sticks to the outer wall of the bearing, and drives the swivel block 323 to push the slider 322 toward the inner wall of the adaptable block body 321 through the large bar of the bearing to push the compression spring 325. When the bearing is small, the slider 322 is reset by the spring 325 to push the limit block 324 to the outer wall of the rotating shaft.

[0027] See also Figure 5 The motor fixing frame 1 includes two fixed legs 11, and the front and rear sides of the tops of the two fixed legs 11 are respectively fixedly connected with connecting frames 12, and the tops of the two connecting frames 12 are fixedly connected to the outer wall of the machine base body 21, and the inner wall of the fixed leg 11 is rotatably connected with a two-way threaded rod 14, one end of the two-way threaded rod 14 penetrates the outer wall of the fixed leg 11 and is fixedly connected with a turning handle 13, and the left and right sides of the outer wall of the two-way threaded rod 14 are respectively threadedly connected with a transmission block 15, and the two transmission blocks 15 are fixedly connected with a fixed frame limit block 16 on one side away from the fixed leg 11, and the two fixed frame limit blocks 16 extend to the outer wall of the fixed leg 11. When fixing is required, the fixing groove opened at the fixed position does not fit with the fixed leg 11, the turning handle 13 is rotated, and the turning handle 13 rotates the two-way threaded rod 14. After the two-way threaded rod 14 rotates, the transmission blocks 15 on both sides drive the fixed frame limit blocks 16 to move, and move to the fixed groove opened at the aligned fixed position, and it can be fixed with the help of other tools, which solves the problem of needing to re-groove according to the position of the fixed frame limit block 16 for fixing.

[0028] Working principle: When the bearing of the rotor core needs to be stabilized, the rotor core is inserted into the inner wall of the fixed shaft housing 31, and the rotor core moves the limit block 324 through the rotating block 323 to make one side of the limit block 324 stick to the outer wall of the bearing, and the large bar of the adaptable bearing drives the rotating block 323 to push the slider 322 toward the inner wall of the adaptable block body 321 to push the compression spring 325. When the bearing is small, the slider 322 is reset by the spring 325 to push the limit block 324 to the outer wall of the rotating shaft;

[0029] When fixation is required, because the fixing groove opened at the fixed position does not fit with the fixed leg 11, the handle 13 is turned, and the handle 13 rotates the bidirectional threaded rod 14. After the bidirectional threaded rod 14 is rotated, the transmission blocks 15 on both sides drive the fixing frame limit blocks 16 to move, and move them to align with the fixing groove opened at the fixed position, and then it can be fixed with the help of other tools, which solves the problem of having to re-groove according to the position of the fixing frame limit block 16 for fixation.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An insulating frame for a motor with adjustable size, comprising a motor fixing frame (1), characterized in that: The top of the motor fixing frame (1) is fixedly connected to a base (2), and the front inner wall of the base (2) is fixedly connected to a bearing fixing shaft (3); The machine base (2) comprises a machine base body (21), and a front end cover (22) is fixedly connected to the front end of the machine base body (21); The bearing fixed shaft (3) comprises a fixed shaft housing (31), the outer wall of the fixed shaft housing (31) is movably connected to the inner wall of the front end cover (22), and the inner wall of the fixed shaft housing (31) is fixedly connected to a plurality of adaption blocks (32).

2. The size-adjustable insulating frame for a motor according to claim 1, characterized in that: The adaptable block (32) comprises an adaptable block main body (321), one side of the adaptable block main body (321) is fixedly connected to the inner wall of the fixed shaft housing (31), a side of the inner wall of the adaptable block main body (321) away from the fixed shaft housing (31) is slidably connected to a slider (322), a side of the slider (322) close to the adaptable block main body (321) is fixedly connected to a spring (325), and a side of the spring (325) away from the slider (322) is fixedly connected to a side of the inner wall of the adaptable block main body (321) away from the slider (322).

3. The size-adjustable insulating frame for a motor according to claim 2, characterized in that: The inner wall of one side of the sliding block (322) away from the adapting block body (321) is rotatably connected to a rotating block (323), and one end of the rotating block (323) away from the sliding block (322) is fixedly connected to a limiting block (324).

4. The size-adjustable insulating frame for a motor according to claim 3, characterized in that: A second spring (326) is fixedly connected to a side of the limit block (324) close to the rotating block (323), a bottom block (327) is fixedly connected to a side of the second spring (326) away from the limit block (324), and a side of the bottom block (327) away from the limit block (324) is fixedly connected to an inner wall of the fixed shaft housing (31).

5. The size-adjustable insulating frame for a motor according to claim 1, characterized in that: The motor fixing frame (1) comprises two fixing legs (11), the tops of the two fixing legs (11) are respectively fixedly connected to connecting frames (12) at the front and rear sides thereof, and the tops of the two connecting frames (12) are fixedly connected to the outer wall of the base body (21).

6. The size-adjustable insulating frame for a motor according to claim 5, characterized in that: The inner wall of the fixed leg (11) is rotatably connected to a bidirectional threaded rod (14), and one end of the bidirectional threaded rod (14) penetrates the outer wall of the fixed leg (11) and is fixedly connected to a turning handle (13).

7. The size-adjustable insulating frame for a motor according to claim 6, characterized in that: Transmission blocks (15) are respectively threadedly connected to the left and right sides of the outer wall of the bidirectional threaded rod (14); the two transmission blocks (15) are fixedly connected to the fixing frame limit blocks (16) on the sides away from the fixing leg (11); and the two fixing frame limit blocks (16) extend to the outer wall of the fixing leg (11).

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