Three-phase asynchronous motor capable of improving assembly stability

Abstract

The utility model discloses a three-phase asynchronous motor capable of improving assembly stability, which comprises a shell, a rear end cover and a mounting sleeve, and is characterized in that a base is fixed below the shell; a first limiting mechanism is arranged at the right end of the rear end cover and comprises limiting blocks and a mounting rod, the limiting blocks are distributed on the inner side of the rear end cover at equal angles, and the longitudinal section of each limiting block is of an L-shaped structure; and the mounting sleeve is integrally arranged on the right side of the shell, a second limiting mechanism is arranged in the mounting sleeve and comprises limiting frames, supporting springs and positioning blocks, and the limiting frames are distributed in the mounting sleeve at equal angles. The left end clamping groove of the shell is connected with a rear end cover, and a ventilation net is fixed in the left side of the rear end cover. According to the three-phase asynchronous motor capable of improving the assembly stability, parts can be conveniently limited and then installed, the assembly stability is improved, the three-phase asynchronous motor has a dustproof effect, dust can be prevented from entering the motor, and normal operation of the internal parts is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of three-phase asynchronous motors, in particular to a three-phase asynchronous motor capable of improving assembly stability. Background Art

[0002] AC asynchronous motors include three-phase asynchronous motors and single-phase asynchronous motors. Three-phase asynchronous motors are generally composed of rotors, coils and stator cores. They are widely popular in the market due to their simple structure and low price. There are many kinds of three-phase asynchronous motors on the market, but there are still some disadvantages.

[0003] If it is not convenient to limit the parts before installation, the stability during assembly will be insufficient, and dust will easily enter the interior, affecting the normal operation of internal parts. Therefore, we propose a three-phase asynchronous motor that can improve assembly stability in order to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a three-phase asynchronous motor with improved assembly stability, so as to solve the problems raised in the above-mentioned background technology that the current three-phase asynchronous motor is inconvenient to limit the parts before installation, the stability during assembly is insufficient, and dust easily enters the interior, affecting the normal operation of the internal parts.

[0005] To achieve the above object, the utility model provides the following technical solution: a three-phase asynchronous motor capable of improving assembly stability, comprising:

[0006] A housing, wherein a base is fixed below the housing;

[0007] Also includes:

[0008] A rear end cover, wherein a first limiting mechanism is disposed at the right end of the rear end cover, including a limiting block and a mounting rod, wherein the limiting blocks are distributed at equal angles on the inner side of the rear end cover, and the longitudinal section of the limiting blocks is an "L"-shaped structure;

[0009] The mounting sleeve is integrally arranged on the right side of the shell, and a second limiting mechanism is arranged inside the mounting sleeve, including a limiting frame, a supporting spring and a positioning block, and the limiting frames are distributed at equal angles inside the mounting sleeve.

[0010] Preferably, the left end slot of the shell is connected to the rear end cover, and a breathable net is fixed inside the left side of the rear end cover.

[0011] Preferably, an activated carbon sponge is tightly attached to the right side of the breathable net, and an outer slot of the activated carbon sponge is connected to a fixing plate, wherein the fixing plate is fixed at an equal angle in the rear end cover.

[0012] Preferably, a limiting block is fixed inside the right side of the rear end cover, and the limiting block is connected to the housing slot, and the insides of the housing and the limiting block are both threadedly connected with a mounting rod.

[0013] Preferably, a stator is integrated inside the housing, and an insulating layer is connected to an internal slot of the stator. A baffle is tightly fitted on the outer side of the insulating layer, and the baffle is fixed on the stator.

[0014] Preferably, the internal slot of the mounting sleeve is slidably connected to the limit frame, and a support spring is installed inside the limit frame, a positioning block is fixed to the inner end of the support spring, and the positioning block is connected to the bearing slot.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model can improve the three-phase asynchronous motor with stable assembly, facilitate the installation of parts after limiting the position, improve the stability during assembly, and has a dustproof effect, which can prevent dust from entering the interior and ensure the normal operation of internal parts;

[0016] 1. A housing, a limit block and a limit block are provided, and a first limit mechanism is formed by combining the limit block and the mounting rod. The limit block is connected to the housing slot, and the housing and the limit block are both threadedly connected to the mounting rod, so that the parts can be easily installed after being limited, thereby improving the stability during assembly;

[0017] 2. A limit frame, a support spring and a positioning block are provided. The second limit mechanism is formed by the combination of the limit frame, the support spring and the positioning block. The positioning block is connected to the bearing slot, which is convenient for limiting the parts before installation and improving the stability during assembly;

[0018] 3. A breathable net, a fixing plate and an activated carbon sponge are provided. The activated carbon sponge is tightly attached to the right side of the breathable net. The outer slot of the activated carbon sponge is connected to the fixing plate. The activated carbon sponge has a dustproof effect, which can prevent dust from entering the interior and ensure the normal operation of internal parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0021] Figure 3 This is a schematic diagram of the side cross-sectional structure of the stator and the insulation layer connection of the utility model;

[0022] Figure 4 It is a schematic diagram of the side cross-sectional structure of the first limiting mechanism of the utility model;

[0023] Figure 5 It is a schematic diagram of the side cross-sectional structure of the second limiting mechanism of the utility model;

[0024] Figure 6 It is a schematic diagram of the side cross-sectional structure of the connection between the fixed plate and the activated carbon sponge of the utility model.

[0025] In the figure: 1. outer shell; 2. rear end cover; 3. breathable net; 4. limit block; 5. mounting rod; 6. stator; 7. insulating layer; 8. baffle; 9. base; 10. mounting sleeve; 11. limit frame; 12. support spring; 13. bearing; 14. positioning block; 15. fixing plate; 16. activated carbon sponge. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-6 The utility model provides a technical solution: a three-phase asynchronous motor capable of improving assembly stability, comprising: a housing 1, a rear end cover 2, a breathable net 3, a limit block 4, a mounting rod 5, a stator 6, an insulating layer 7, a baffle 8, a base 9, a mounting sleeve 10, a limit frame 11, a support spring 12, a bearing 13, a positioning block 14, a fixing plate 15 and an activated carbon sponge 16;

[0028] First, as attached Figure 1 As shown in , the insulating layer 7 and the coil are installed in the wire slot of the stator 6, and then the coil is arranged and tied, and the rotor is installed inside the stator 6, and then the bearing 13 is installed on the rotor, and then the limiting block 4 and the mounting rod 5 are combined to form a first limiting mechanism to install the rear end cover 2, and the limiting frame 11, the support spring 12 and the positioning block 14 are combined to form a second limiting mechanism to install the mounting sleeve 10 and the bearing 13, and then the base 9 fixed under the housing 1 is installed on the device;

[0029] As attached Figure 3 As shown in , the insulating layer 7 is connected to the wire slot of the stator 6, so that the outer end of the insulating layer 7 and the baffle 8 are closely fitted, and the baffle 8 fixed on the stator 6 has a limiting effect on the insulating layer 7, and the insulating layer 7 has an insulating effect on the coil;

[0030] As attached Figure 1 , Attachment Figure 2 and attached Figure 4As shown in the figure, the rear end cover 2 is installed on the left side of the housing 1, so that the rear end cover 2 and the housing 1 are connected by a slot, and the rear end cover 2 is rotated so that the limit block 4 fixed at an equal angle inside the rear end cover 2 is connected to the housing 1 slot. The limit block 4 with an "L"-shaped longitudinal section ensures the stability of the connection between the rear end cover 2 and the housing 1, and then the mounting rod 5 is threadedly connected to the housing 1 and the limit block 4 to fix the rear end cover 2 on the housing 1. As shown in the figure, Figure 4 and attached Figure 6 As shown in , the right side of the air-permeable net 3 is tightly fitted with an activated carbon sponge 16, which can prevent dust from entering the rear end cover 2 from the air-permeable net 3. When the activated carbon sponge 16 needs to be cleaned or replaced, the rear end cover 2 is removed, and then the activated carbon sponge 16 is taken out, so that the activated carbon sponge 16 is separated from the connection with the card slot of the fixed plate 15, and a new activated carbon sponge 16 is installed on the inner side of the fixed plate 15, so that the activated carbon sponge 16 is connected to the card slot of the fixed plate 15, and the left side of the activated carbon sponge 16 is tightly fitted with the right side of the air-permeable net 3;

[0031] As attached Figure 1 , Attachment Figure 2 and attached Figure 5 As shown in the figure, the bearing 13 is installed on the rotating shaft of the rotor, the limit frame 11 is pulled outward to make the limit frame 11 slide on the installation sleeve 10 connected to the slot thereof, the support spring 12 installed inside it is compressed, and the position of the positioning block 14 fixed at the inner end of the limit frame 11 is adjusted. Then, the bearing 13 is placed in the installation sleeve 10, the limit frame 11 is loosened, and the elastic action of the support spring 12 pushes the limit frame 11 to reset. The positioning block 14 fixed at the inner end of the limit frame 11 is connected to the slot of the bearing 13, which limits the bearing 13, and then the bearing 13 is fixed to the housing 1 with bolts.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A three-phase asynchronous motor capable of improving assembly stability, comprising: A housing (1), wherein a base (9) is fixed below the housing (1); It is characterized by further comprising: A rear end cover (2), wherein a first limiting mechanism is provided at the right end of the rear end cover (2), comprising a limiting block (4) and a mounting rod (5), wherein the limiting blocks (4) are distributed at equal angles on the inner side of the rear end cover (2), and the longitudinal section of the limiting blocks (4) is in an "L"-shaped structure; A mounting sleeve (10) is integrally arranged on the right side of the housing (1), and a second limiting mechanism is arranged inside the mounting sleeve (10), comprising a limiting frame (11), a supporting spring (12) and a positioning block (14), wherein the limiting frame (11) is distributed at equal angles inside the mounting sleeve (10).

2. A three-phase asynchronous motor capable of improving assembly stability according to claim 1, characterized in that: The left end slot of the housing (1) is connected to the rear end cover (2), and a breathable net (3) is fixed inside the left side of the rear end cover (2).

3. A three-phase asynchronous motor capable of improving assembly stability according to claim 2, characterized in that: An activated carbon sponge (16) is tightly attached to the right side of the air permeable net (3), and a fixing plate (15) is connected to the outer slot of the activated carbon sponge (16), wherein the fixing plate (15) is fixed at an equal angle in the rear end cover (2).

4. A three-phase asynchronous motor capable of improving assembly stability according to claim 1, characterized in that: A limiting block (4) is fixed inside the right side of the rear end cover (2), and the limiting block (4) is connected to the outer shell (1) by a slot, and the inner parts of the outer shell (1) and the limiting block (4) are both threadedly connected to a mounting rod (5).

5. A three-phase asynchronous motor capable of improving assembly stability according to claim 1, characterized in that: The stator (6) is integrally provided inside the housing (1), and the internal slot of the stator (6) is connected to an insulating layer (7), a baffle (8) is tightly fitted on the outside of the insulating layer (7), and the baffle (8) is fixed on the stator (6).

6. A three-phase asynchronous motor capable of improving assembly stability according to claim 1, characterized in that: The internal slot of the mounting sleeve (10) is slidably connected to the limit frame (11), and a support spring (12) is installed inside the limit frame (11). A positioning block (14) is fixed to the inner end of the support spring (12), and the positioning block (14) and the bearing (13) are connected by a slot.

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