Built-in fan type variable frequency motor

Abstract

The utility model provides a built-in fan type variable frequency motor which comprises two sets of box bodies, four sets of fixing rings are arranged on the two sides of the outer walls of the two sets of box bodies, the four sets of fixing rings are distributed on the two sides of the outer walls of the two sets of box bodies in a rectangular shape, and the four sets of fixing rings and the interiors of the two sets of box bodies are in threaded connection with a plurality of sets of first bolts. Eight sets of supporting columns are fixedly connected into the two sets of box bodies, four sets of first semi-ring sleeves are fixedly connected to the top ends of the eight sets of supporting columns, four sets of second semi-ring sleeves are arranged at the top ends of the four sets of first semi-ring sleeves, and two sets of fan bodies are arranged between the four sets of second semi-ring sleeves and the four sets of first semi-ring sleeves; eight groups of second bolts are in threaded connection with the two sides of the interiors of the four groups of first semi-ring sleeves and the four groups of second semi-ring sleeves, each group of the interiors of the two groups of fan bodies is movably connected with one group of exhaust fans, and two groups of mounting grooves are formed in the joints of the two groups of box bodies and the two groups of fan bodies. According to the utility model, the fan body can be detached, so that a user can replace the fan body conveniently.

Description

Technical Field

[0001] The utility model relates to a built-in fan type variable frequency motor, belonging to the technical field of high-voltage variable frequency motors. Background Technique

[0002] Variable frequency motors can be used to drive various different machines, such as compressors, water pumps, crushers, cutting machine tools, transportation machinery and other equipment. When a variable frequency motor is working, heat generation will cause a reduction in service life. Therefore, it is necessary to install a built-in fan to dissipate heat from the variable frequency motor.

[0003] When the existing built-in fan type variable frequency motor is in use, when the fan fails and needs to be replaced, it is not convenient to disassemble it, which is not conducive to the use of users. Content of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a built-in fan type variable frequency motor to solve the problem that when the existing built-in fan type variable frequency motor is in use, when the fan fails and needs to be replaced, it is not convenient to disassemble it, which is not conducive to the use of users as mentioned in the above background technique.

[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a built-in fan type variable frequency motor, including two groups of boxes, four groups of fixing rings are arranged on both sides of the outer walls of the two groups of boxes, the four groups of fixing rings are distributed in a rectangular shape on both sides of the outer walls of the two groups of boxes, and a plurality of first bolts are threadedly connected between the four groups of fixing rings and the interiors of the two groups of boxes; eight groups of support columns are fixedly connected to the interiors of the two groups of boxes, the tops of the eight groups of support columns are fixedly connected with four groups of first half-ring sleeves, four groups of second half-ring sleeves are arranged on the tops of the four groups of first half-ring sleeves, and two groups of fan bodies are arranged between the four groups of second half-ring sleeves and the four groups of first half-ring sleeves; eight groups of second bolts are threadedly connected to the inner sides of the four groups of first half-ring sleeves and the four groups of second half-ring sleeves.

[0006] Furthermore, a group of exhaust fans are movably connected to each group of the interiors of the two groups of fan bodies, and two groups of installation slots are opened at the joints of the two groups of boxes and the two groups of fan bodies.

[0007] Furthermore, a group of first guide plates are fixedly connected to each group of the interiors of the two groups of boxes, and two groups of second guide plates are fixedly connected to one side of the interiors of the two groups of boxes close to the two groups of first guide plates.

[0008] Furthermore, two groups of air inlets are opened on one side of the two groups of boxes away from the two groups of installation slots, and a group of dust-proof nets are fixedly connected to each group of the interiors of the two groups of air inlets.

[0009] Furthermore, on one side of the outer wall of the four groups of the fixing rings, a housing is fixedly connected, and a motor body is arranged inside the housing.

[0010] Furthermore, on each side of the outer wall of the housing, a set of first openings are formed, and the two sets of first openings are linearly distributed on both sides of the outer wall of the housing.

[0011] Furthermore, at one end of the outer wall of the housing away from the two sets of first openings, two sets of second openings are formed, and the two sets of second openings are linearly distributed at one end of the outer wall of the housing away from the two sets of first openings.

[0012] The beneficial effects of the present utility model: Considering the problem that when the existing built-in fan type variable frequency motor is in use and the fan fails and needs to be replaced, it is not convenient to disassemble it, which is not conducive to the use of the user. By loosening the first bolt, the fixing ring is separated from the box body, the box body is taken out, and then by loosening the second bolt, the second half ring sleeve is separated from the first half ring sleeve, and the second half ring sleeve is taken out, so as to achieve the effect of disassembling the fan body and facilitating the user to replace it. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes and advantages of the present utility model will become more obvious:

[0014] Figure 1 It is a front view structural schematic diagram of a built-in fan type variable frequency motor of the present utility model.

[0015] Figure 2 It is a rear view structural schematic diagram of a built-in fan type variable frequency motor of the present utility model.

[0016] Figure 3 It is a sectional view structural schematic diagram of a built-in fan type variable frequency motor of the present utility model.

[0017] Figure 4 It is an exploded view structural schematic diagram of a built-in fan type variable frequency motor of the present utility model.

[0018] In the figure: 1, box body; 2, fixing ring; 3, first bolt; 4, support column; 5, first half ring sleeve; 6, fan body; 7, second half ring sleeve; 8, second bolt; 9, exhaust fan; 10, installation groove; 11, first guide plate; 12, second guide plate; 13, air inlet; 14, dust-proof net; 15, housing; 16, motor body; 17, first opening; 18, second opening. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] To make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] Please refer to Figures 1-4 , the present utility model provides a technical solution: an internal fan type variable frequency motor, including two groups of boxes 1, four groups of fixing rings 2 are arranged on both sides of the outer walls of the two groups of boxes 1, the four groups of fixing rings 2 are distributed in a rectangular shape on both sides of the outer walls of the two groups of boxes 1, and a plurality of first bolts 3 are threadedly connected inside the four groups of fixing rings 2 and the two groups of boxes 1. Eight groups of support columns 4 are fixedly connected inside the two groups of boxes 1, the tops of the eight groups of support columns 4 are fixedly connected with four groups of first half-ring sleeves 5, four groups of second half-ring sleeves 7 are arranged on the tops of the four groups of first half-ring sleeves 5, and two groups of fan bodies 6 are arranged between the four groups of second half-ring sleeves 7 and the four groups of first half-ring sleeves 5. Eight groups of second bolts 8 are threadedly connected to both sides inside the four groups of first half-ring sleeves 5 and the four groups of second half-ring sleeves 7.

[0021] Among them, the box 1 is for accommodating internal components and connecting the remaining components; among them, the fixing ring 2 is provided to drive the housing 15 to be connected to the box 1; among them, the first bolt 3 is provided to fixedly connect the fixing ring 2 and the box 1; among them, the support column 4 is for fixedly connecting the first half-ring sleeve 5; among them, the first half-ring sleeve 5 is provided for placing the fan body 6; among them, the fan body 6 is for discharging the heat inside the motor body 16 through internal components; among them, the second half-ring sleeve 7 is for cooperating with the first half-ring sleeve 5 to fix the fan body 6; among them, the second bolt 8 is for fixedly connecting the first half-ring sleeve 5 and the second half-ring sleeve 7.

[0022] One group of exhaust fans 9 is movably connected to each of the two groups of fan bodies 6, and two installation slots 10 are opened at the intersection of the two groups of boxes 1 and the two groups of fan bodies 6.

[0023] Among them, the exhaust fan 9 is for discharging the heat dissipated by the motor body 16 by rotation; among them, the installation slot 10 is opened for installing the fan body 6.

[0024] One group of first guide plates 11 is fixedly connected to each of the two groups of boxes 1, and two groups of second guide plates 12 are fixedly connected to one side of the two groups of boxes 1 close to the two groups of first guide plates 11.

[0025] Among them, the first guide plate 11 is provided for guiding the hot air brought out from the first opening 17; among them, the second guide plate 12 is provided for guiding the air entering from the air inlet 13.

[0026] On one side of the two groups of boxes 1 away from the two groups of installation grooves 10, two air inlets 13 are provided, and a dust-proof net 14 is fixedly connected to each group inside the two air inlets 13.

[0027] Among them, the air inlet 13 is provided to allow external air to enter the box 1; among them, the dust-proof net 14 is provided to intercept dust in the incoming air.

[0028] On one side of the outer wall of the four fixing rings 2, a housing 15 is fixedly connected, and a motor body 16 is arranged inside the housing 15.

[0029] Among them, the housing 15 is provided to protect the internal motor body 16 and connect other components; among them, the motor body 16 is used to drive various different machineries.

[0030] On each side of the outer wall of the housing 15, a first opening 17 is provided, and the two first openings 17 are linearly distributed on both sides of the outer wall of the housing 15.

[0031] Among them, the first opening 17 is provided to allow the hot air at the motor body 16 to enter the box 1.

[0032] At one end of the outer wall of the housing 15 away from the two first openings 17, two second openings 18 are provided, and the two second openings 18 are linearly distributed at one end of the outer wall of the housing 15 away from the two first openings 17.

[0033] Among them, the second opening 18 is provided to send the air entering from the air inlet 13 to the motor body 16.

[0034] Working principle: When using this built-in fan type variable frequency motor, the user starts the two fan bodies 6. The fan bodies 6 extract the air in the box 1 through the rotation of the exhaust fans 9 inside, so that the external air enters the box 1 through the air inlets 13. When the air passes through the dust-proof net 14, the dust inside is intercepted by it, and then it is guided by the second guide plate 12 and enters the motor body 16 inside the housing 15 through the second opening 18, and is mixed with the heat it emits to form hot air. Then, the hot air is extracted into the box 1 through the first opening 17 and is discharged by the fan body 6 under the guidance of the first guide plate 11, so that the air on both sides of the motor body 16 circulates and cools and dissipates heat from it.

[0035] After that, by loosening the first bolts 3, the fixing rings 2 are separated from the box 1, the box 1 is taken out, and then by loosening the second bolts 8, the second half ring sleeve 7 is separated from the first half ring sleeve 5, and the second half ring sleeve 7 is taken out, so as to achieve the effect of disassembling the fan body 6, which is convenient for the user to replace it.

[0036] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0037] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An internally fan - equipped variable - frequency motor, comprising two groups of boxes (1), characterized in that: On both sides of the outer walls of the two groups of the boxes (1), there are four groups of fixing rings (2). The four groups of the fixing rings (2) are rectangularly distributed on both sides of the outer walls of the two groups of the boxes (1). A plurality of first bolts (3) are threadedly connected between the four groups of the fixing rings (2) and the interiors of the two groups of the boxes (1). Eight groups of support columns (4) are fixedly connected to the interiors of the two groups of the boxes (1). The tops of the eight groups of the support columns (4) are fixedly connected to four groups of first half-ring sleeves (5). Four groups of second half-ring sleeves (7) are arranged at the tops of the four groups of the first half-ring sleeves (5). Two groups of fan bodies (6) are arranged between the four groups of the second half-ring sleeves (7) and the four groups of the first half-ring sleeves (5). Eight groups of second bolts (8) are threadedly connected to the inner sides of the four groups of the first half-ring sleeves (5) and the four groups of the second half-ring sleeves (7).

2. The built-in fan type variable frequency motor according to claim 1, characterized in that: One exhaust fan (9) is movably connected to each group inside the two groups of the fan bodies (6). Two installation grooves (10) are formed at the joints between the two groups of the boxes (1) and the two groups of the fan bodies (6).

3. The built-in fan type variable frequency motor according to claim 1, characterized in that: One first guide plate (11) is fixedly connected to each group inside the two groups of the boxes (1). Two second guide plates (12) are fixedly connected to the sides of the interiors of the two groups of the boxes (1) close to the two groups of the first guide plates (11).

4. The built-in fan type variable frequency motor according to claim 2, wherein: Two air inlets (13) are formed on the sides of the two groups of the boxes (1) away from the two groups of the installation grooves (10). One dust-proof net (14) is fixedly connected to each group inside the two air inlets (13).

5. The built-in fan type variable frequency motor according to claim 1, characterized in that: One side of the outer wall of the four groups of the fixing rings (2) is fixedly connected to a housing (15). A motor body (16) is arranged inside the housing (15).

6. The built-in fan type variable frequency motor according to claim 5, characterized in that: One first opening (17) is formed on each side of the outer wall of the housing (15). The two first openings (17) are linearly distributed on both sides of the outer wall of the housing (15).

7. The built-in fan type variable frequency motor according to claim 6, characterized in that: Two second openings (18) are formed at one end of the outer wall of the housing (15) away from the two first openings (17). The two second openings (18) are linearly distributed at one end of the outer wall of the housing (15) away from the two first openings (17).

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