A stable three-phase asynchronous motor

Abstract

The utility model is applicable to the technical field of three-phase asynchronous motor technology, and provides a stable three-phase asynchronous motor, including a three-phase asynchronous motor body and a heat dissipation cover, the heat dissipation cover is arranged on the outer peripheral side surface of the three-phase asynchronous motor body, the outer peripheral side surface of the three-phase asynchronous motor body is provided with an arc groove, locking rods are symmetrically arranged in the arc groove, a locking assembly is arranged in the arc groove, two sleeves in a circular array are fixedly connected to the inside of the heat dissipation cover, and plug rods matching the locking rods are slidably inserted in the inside of the two sleeves. The device solves the problem that the heat dissipation cover is easy to loosen and the installation and disassembly are cumbersome, and the installation and disassembly of the heat dissipation cover is more convenient and quick through the coordinated use of the plug rod, the lock hole, the positioning hole and the locking assembly, and the stability and firmness of the heat dissipation cover after fixed installation are better, thereby improving the stability of the three-phase asynchronous motor body.

Description

Technical Field

[0001] The utility model relates to the technical field of three-phase asynchronous motors, and more specifically, to a stable three-phase asynchronous motor. Background Art

[0002] The three-phase asynchronous motor is a type of electric motor that is powered by a 380V three-phase AC power supply. Since the rotor and stator rotating magnetic fields of the three-phase asynchronous motor rotate in the same direction and at different speeds, there is a slip rate, so it is called a three-phase asynchronous motor.

[0003] At present, the heat dissipation cover on the three-phase asynchronous motor is generally connected by threaded connection or bolted connection. After long-term use, the heat dissipation cover is easy to loosen, and the installation and disassembly are cumbersome, thereby affecting the stability of the three-phase asynchronous motor and the convenience of installation and disassembly. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a stable three-phase asynchronous motor which, through the coordinated use of an insertion rod, a lock hole, a positioning hole and a locking assembly, makes the installation and disassembly of the heat dissipation cover more convenient and quick, and the stability and firmness of the heat dissipation cover after fixed installation are better, thereby improving the stability of the three-phase asynchronous motor body.

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

[0006] A stable three-phase asynchronous motor, comprising a three-phase asynchronous motor body and a heat dissipation cover, wherein the heat dissipation cover is arranged on the outer peripheral side surface of the three-phase asynchronous motor body, an arc-shaped groove is opened on the outer peripheral side surface of the three-phase asynchronous motor body, a locking rod is symmetrically arranged in the arc-shaped groove, a locking assembly is arranged in the arc-shaped groove, two sleeves in a circular array are fixedly connected to the inside of the heat dissipation cover, a plug rod matching the locking rod is slidably inserted in the inside of the two sleeves, a spring 2 is fixedly connected between the sleeve and the plug rod, and a supporting assembly is arranged on the outer peripheral side surface of the three-phase asynchronous motor body; the locking assembly comprises an arc-shaped sleeve fixedly connected in the arc-shaped groove, a movable plate is slidably inserted at both ends of the arc-shaped sleeve, a shift rod is fixedly connected to one side of the two movable plates, and ends of the two movable plates that are away from each other are fixedly connected to the end of the locking rod.

[0007] The utility model is further configured as follows: the ends of the arc-shaped sleeves that are far away from each other are each provided with a guide groove 1 that matches the movable plate, and a spring 1 is fixedly connected between the guide groove 1 and the movable plate.

[0008] The utility model is further configured as follows: one side of the three-phase asynchronous motor body is provided with two guide grooves 2 which match the two insertion rods and are in a circumferential array, and positioning holes which are connected with the arc groove are penetrated through the two guide grooves 2.

[0009] The utility model is further configured as follows: the peripheral side surfaces of the two inserting rods are both provided with locking holes matching with the locking rods.

[0010] The utility model is further configured as follows: a thread matching the heat dissipation cover is provided on the outer peripheral side of the three-phase asynchronous motor body.

[0011] The utility model is further configured as follows: the support assembly includes support plates symmetrically fixedly connected to the outer peripheral side surfaces of the three-phase asynchronous motor body, the bottoms of the two support plates are commonly fixedly connected to a base, and reinforcing ribs are fixedly connected between the opposite side surfaces of the two support plates and the top of the base.

[0012] The advantages of the utility model are:

[0013] The coordinated use of the insert rod, the lock hole, the positioning hole and the locking assembly makes the installation and removal of the heat dissipation cover more convenient and quick, and the stability and firmness of the heat dissipation cover after fixed installation are better, thereby improving the stability of the three-phase asynchronous motor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the connection between the three-phase asynchronous motor body and the supporting assembly in the utility model.

[0016] Figure 3 for Figure 5 Schematic diagram of the axial side three-dimensional structure.

[0017] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the locking component in the utility model.

[0019] Figure 6 It is a three-dimensional structural schematic diagram of the heat dissipation cover in the utility model.

[0020] Figure 7 It is a schematic diagram of the cross-sectional plan structure of the locking component.

[0021] Figure 8 It is a schematic diagram of the cross-sectional plan structure of the connection between the sleeve, the insert rod and the spring 2 in the utility model.

[0022] Fig. 9 for Figure 3 Schematic diagram of the side plan structure.

[0023] In the figure: 1. three-phase asynchronous motor body; 2. heat dissipation cover; 3. arc groove; 4. arc sleeve; 5. extension rod; 6. locking rod; 7. lever; 8. guide groove 1; 9. spring 1; 10. sleeve; 11. plug rod; 12. lock hole; 13. spring 2; 14. guide groove 2; 15. thread; 16. positioning hole; 17. base; 18. support plate; 19. reinforcing rib; 20. locking assembly; 21. support assembly. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0027] Embodiment 1

[0028] See also Figure 1-9 , the utility model provides the following technical solutions:

[0029] Specifically, it refers to a stable three-phase asynchronous motor, including a three-phase asynchronous motor body 1 and a heat dissipation cover 2. The heat dissipation cover 2 is arranged on the outer peripheral side of the three-phase asynchronous motor body 1. The outer peripheral side of the three-phase asynchronous motor body 1 is provided with a thread 15 matching the heat dissipation cover 2. The outer peripheral side of the three-phase asynchronous motor body 1 is provided with an arc groove 3. Locking rods 6 are symmetrically arranged in the arc groove 3. A locking assembly 20 is arranged in the arc groove 3. The locking assembly 20 includes an arc sleeve 4 fixedly connected in the arc groove 3. Both ends of the arc sleeve 4 are slidably inserted with moving plates 5. One side of the two moving plates 5 is fixedly connected with a lever 7. The ends of the two moving plates 5 that are far away from each other are fixedly connected to the ends of the locking rod 6. The ends of the arc sleeve 4 that are far away from each other are fixedly connected. A guide groove 8 matching the movable plate 5 is provided on each part, a spring 9 is fixedly connected between the guide groove 8 and the movable plate 5, two sleeves 10 in a circular array are fixedly connected to the inside of the heat dissipation cover 2, and plug rods 11 matching the locking rod 6 are slidably inserted into the inside of the two sleeves 10, and a spring 13 is fixedly connected between the sleeve 10 and the plug rod 11, one side of the three-phase asynchronous motor body 1 is provided with two guide grooves 2 14 matching the two plug rods 11 and in a circular array, and positioning holes 16 connected to the arc groove 3 are penetrated in the two guide grooves 2 14, and locking holes 12 matching the locking rod 6 are provided on the peripheral side surfaces of the two plug rods 11, and a support assembly 21 is provided on the outer peripheral side surface of the three-phase asynchronous motor body 1.

[0030] The specific application of this embodiment is as follows: pull the lever 7 inward to drive the lever 7, the movable plate 5 and the locking rod 6 to rotate in the direction of approaching each other, release the lever 7, and drive the movable plate 5 and the locking rod 6 to rotate in the direction of moving away from each other under the elastic force of the spring 1 9, provide power for the rotation of the locking rod 6, align the insertion rod 11 on the heat dissipation cover 2 with the right inner end surface of the guide groove 2 14, then rotate the locking rod 6 in the direction of approaching, and then rotate the heat dissipation cover 2 so that the heat dissipation cover 2 is threadedly connected to the outer wall of the three-phase asynchronous motor body 1. During the rotation of the heat dissipation cover 2, the insertion rod 12 is driven along the guide groove 2 14 At the same time, under the elastic force of the second spring 13, it moves into the positioning hole 16 and extends into the arc groove 3, and finally releases the push-open 7. Under the elastic force of the spring 1 9, the locking rod 6 rotates in the direction away from each other. At this time, the locking rod 6 rotates into the locking hole 12 on the plug rod 11, thereby quickly completing the fixation of the heat dissipation cover 14. Through the coordinated use of the plug rod 11, the locking hole 12, the positioning hole 16 and the locking assembly 21, the installation and disassembly of the heat dissipation cover 2 is more convenient and quick, and the stability and firmness of the heat dissipation cover 2 after fixed installation are better, thereby improving the stability of the three-phase asynchronous motor body 1.

[0031] Embodiment 2

[0032] See also Figure 1-9The second embodiment makes the following improvements on the basis of the first embodiment. Specifically, the support assembly 21 includes support plates 18 symmetrically fixedly connected to the outer peripheral side of the three-phase asynchronous motor body 1, the bottoms of the two support plates 18 are commonly fixedly connected to the base 17, and reinforcing ribs 19 are fixedly connected between the opposite side surfaces of the two support plates 18 and the top of the base 17.

[0033] A specific application of this embodiment is: by providing the support assembly 21 , the stability of the three-phase asynchronous motor body 1 is improved, wherein the provision of the reinforcing ribs 19 increases the stability and firmness of the support plate 18 .

[0034] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0037] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A stable three-phase asynchronous motor, comprising a three-phase asynchronous motor body (1) and a heat dissipation cover (2), wherein the heat dissipation cover (2) is arranged on the outer peripheral side of the three-phase asynchronous motor body (1), and is characterized in that: An arc-shaped groove (3) is provided on the outer peripheral side surface of the three-phase asynchronous motor body (1), a locking rod (6) is symmetrically arranged in the arc-shaped groove (3), a locking assembly (20) is arranged in the arc-shaped groove (3), two sleeves (10) in a circular array are fixedly connected to the inside of the heat dissipation cover (2), and a plug rod (11) matching the locking rod (6) is slidably inserted in the inside of the two sleeves (10), a spring 2 (13) is fixedly connected between the sleeve (10) and the plug rod (11), and a support assembly (21) is arranged on the outer peripheral side surface of the three-phase asynchronous motor body (1); The locking assembly (20) comprises an arc-shaped sleeve (4) fixedly connected in the arc-shaped groove (3), movable plates (5) are slidably inserted at both ends of the arc-shaped sleeve (4), one side of the two movable plates (5) is fixedly connected to a lever (7), and the ends of the two movable plates (5) that are separated from each other are fixedly connected to the end of the locking rod (6).

2. A stable three-phase asynchronous motor according to claim 1, characterized in that: The ends of the arc-shaped sleeve (4) that are separated from each other are each provided with a guide groove (8) that matches the movable plate (5), and a spring (9) is fixedly connected between the guide groove (8) and the movable plate (5).

3. A stable three-phase asynchronous motor according to claim 2, characterized in that: One side of the three-phase asynchronous motor body (1) is provided with two guide grooves (14) matching the two insertion rods (11) and arranged in a circular array, and positioning holes (16) communicating with the arc groove (3) are provided through the two guide grooves (14).

4. A stable three-phase asynchronous motor according to claim 3, characterized in that: The circumferential sides of the two insertion rods (11) are each provided with a locking hole (12) matching the locking rod (6).

5. A stable three-phase asynchronous motor according to claim 4, characterized in that: The outer peripheral side surface of the three-phase asynchronous motor body (1) is provided with a thread (15) matching the heat dissipation cover (2).

6. A stable three-phase asynchronous motor according to claim 5, characterized in that: The support assembly (21) comprises a support plate (18) symmetrically fixedly connected to the outer peripheral side surface of the three-phase asynchronous motor body (1), the bottoms of the two support plates (18) being fixedly connected to a base (17), and reinforcing ribs (19) being fixedly connected between opposite side surfaces of the two support plates (18) and the top of the base (17).

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