Three-phase asynchronous motor with explosion-proof structure

Abstract

The utility model relates to the technical field of three-phase asynchronous motors, and discloses a three-phase asynchronous motor with an explosion-proof structure, which comprises a base and a motor body, the top end of the base is fixedly connected with a supporting seat, the top end of the supporting seat is fixedly connected with the motor body, one side of the motor body is provided with a front cover, and the other side of the motor body is provided with a rear cover. The other side of the motor body is provided with a rear cover, the inner walls of the motor body, the front cover and the rear cover are fixedly connected with an explosion-proof plate, and the outer wall of the explosion-proof plate is fixedly connected with an explosion-proof net. According to the three-phase asynchronous motor with the explosion-proof structure, the front cover, the motor body, the explosion-proof plate, the explosion-proof net and the rear cover are arranged, the explosion-proof plate is attached to the inner walls of the front cover, the rear cover and the motor body, the first layer of explosion-proof protection is carried out, the explosion-proof performance can be enhanced through the internal explosion-proof net, and the explosion-proof performance is improved through double explosion-proof protection. Therefore, the explosion-proof effect is better, and the problem that explosion-proof is inconvenient is solved.

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 with a flameproof structure. Background Art

[0002] The three-phase asynchronous motor is a type of induction motor. Since the rotor and stator rotating magnetic fields of the three-phase asynchronous motor rotate in the same direction but at different speeds, there is a slip rate, so it is called a three-phase asynchronous motor. The three-phase asynchronous motor is mostly used in industrial production, transportation, household appliances, etc.

[0003] According to the design of the existing three-phase asynchronous motor with a flameproof structure, there is no explosion-proof structure inside the casing, resulting in poor single-layer explosion-proof effect of the casing when an accident occurs. Therefore, it is not applicable and its structure needs to be improved.

[0004] Now, a new type of ideological and political education teaching device that is easy to disassemble and install is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a three-phase asynchronous motor with a flameproof structure to solve the problem of being inconvenient for explosion-proof in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-phase asynchronous motor with an explosion-proof structure, comprising a base and a motor body, the top of the base is fixedly connected to a support seat, the top of the support seat is fixedly connected to the motor body, a front cover is installed on one side of the motor body, and a rear cover is installed on the other side of the motor body, the inner walls of the motor body, the front cover and the rear cover are fixedly connected to explosion-proof plates, and the outer walls of the explosion-proof plates are fixedly connected to explosion-proof nets.

[0007] Preferably, the shapes of the explosion-proof plate are respectively the same as those of the motor body, the protective cover and the rear cover.

[0008] Preferably, a first fixing seat is fixedly connected to both sides of the top of the base, a second fixing seat is fixedly connected to the front end of the top of the base, the first fixing seat, the second fixing seat and the top of the motor body are fixedly connected to a connecting seat, and the first fixing seat is in an inverted "concave" shape.

[0009] Preferably, two groups of the second fixing seats are provided, and the second fixing seats are symmetrically distributed at the front end and the rear end of the top of the base.

[0010] Preferably, a shaft is provided inside one side of the motor body, a protective cover is fixedly connected to one side of the front cover, absorbent cotton is fixedly connected inside the protective cover, a reserved channel is provided on one side of the top of the protective cover, and the reserved channel is connected to the inside of the absorbent cotton.

[0011] Preferably, a sealing plug is movably connected to the top of the reserved channel, a reserved opening is provided on one side of the protective cover, a hinge seat is fixedly connected to one side of the protective cover, and a dust cover is movably hinged between the hinge seats.

[0012] Preferably, the absorbent cotton is aligned with the position of the shaft, and the absorbent cotton is wrapped around the outside of the shaft.

[0013] Preferably, the dust cover matches the position of the reserved opening, and the diameter of the dust cover is larger than the diameter of the reserved opening.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the three-phase asynchronous motor with a flameproof structure not only realizes the enhancement of the explosion-proof performance, realizes the convenience of hanging and installation, is more stable, and has the functions of lubrication and dustproof;

[0015] (1) A front cover, a motor body, an explosion-proof plate, an explosion-proof net and a rear cover are provided, the explosion-proof plate is fixedly connected to the inner walls of the motor body, the front cover and the rear cover, the explosion-proof net is fixedly connected to the outer wall of the explosion-proof plate, and the shape of the explosion-proof plate is the same as the shape of the motor body, the protective cover and the rear cover, respectively. The explosion-proof plate can be fitted with the inner walls of the front cover, the rear cover and the motor body to provide the first layer of explosion-proof protection, and the explosion-proof performance can be enhanced by the internal explosion-proof net. The double explosion-proof protection can achieve a better explosion-proof effect;

[0016] (2) By providing a first fixing seat and a second fixing seat connecting seat, the first fixing seat is fixedly connected to both sides of the top of the base, the front end of the top of the base is fixedly connected to the second fixing seat, the first fixing seat, the second fixing seat and the top of the motor body are fixedly connected to the connecting seat, and the first fixing seat is in an inverted "concave" shape. When the motor is suspended and installed, the hook can be fixed to the connecting seat respectively, so that the front, back, left and right sides of the motor are more stable, not easy to shake, and the force is more evenly applied;

[0017] (3) A protective cover, a shaft, absorbent cotton, a reserved opening, a dust cover, a hinged seat, a reserved channel, and a sealing plug are provided. The reserved channel in the protective cover can be used to inject lubricating oil into the absorbent cotton. The dust cover is opened, and the external connecting shaft is connected to the shaft. When the shaft rotates, it passes through the absorbent cotton. The oil absorbed in the absorbent cotton can wipe the shaft, making its rotation smoother. When not in use, the dust cover can be flipped down and clamped on the outside of the reserved opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 It is a side view structural diagram of the connection method between the first fixing seat and the connecting seat of the utility model;

[0020] Figure 3 This is a side view structural diagram of the connection method between the explosion-proof plate and the rear cover of the utility model;

[0021] Figure 4 It is a side structural schematic diagram of the connection mode between the dust cover and the protective cover of the utility model.

[0022] In the figure: 1. base; 2. first fixed seat; 3. second fixed seat; 4. motor body; 5. front cover; 6. protective cover; 7. shaft; 8. absorbent cotton; 9. reserved opening; 10. dust cover; 11. hinged seat; 12. reserved channel; 13. sealing plug; 14. explosion-proof plate; 15. explosion-proof net; 16. connecting seat; 17. rear cover; 18. supporting seat. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1: Please refer to Figure 1-4 A three-phase asynchronous motor with an explosion-proof structure comprises a base 1 and a motor body 4, a support base 18 is fixedly connected to the top of the base 1, a motor body 4 is fixedly connected to the top of the support base 18, a front cover 5 is installed on one side of the motor body 4, a rear cover 17 is installed on the other side of the motor body 4, an explosion-proof plate 14 is fixedly connected to the inner walls of the motor body 4, the front cover 5 and the rear cover 17, and an explosion-proof net 15 is fixedly connected to the outer wall of the explosion-proof plate 14;

[0025] The shapes of the explosion-proof plate 14 are respectively the same as those of the motor body 4, the protective cover 6 and the rear cover 17;

[0026] Specifically, Figure 1 and Figure 3 As shown, the explosion-proof plate 14 is fitted with the front cover 5, the rear cover 17 and the inner wall of the motor body 4 to provide the first layer of explosion-proof protection, and the internal explosion-proof net 15 can enhance the explosion-proof performance. The double explosion-proof protection can provide a better explosion-proof effect.

[0027] Embodiment 2: The first fixing seat 2 is fixedly connected to both sides of the top of the base 1, the front end of the top of the base 1 is fixedly connected to the second fixing seat 3, the top of the first fixing seat 2, the second fixing seat 3 and the motor body 4 are fixedly connected to the connecting seat 16, and the first fixing seat 2 is in an inverted "concave" shape;

[0028] Two groups of second fixing seats 3 are provided, and the second fixing seats 3 are symmetrically distributed at the front end and the rear end of the top of the base 1;

[0029] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, when the motor is suspended and installed, the hooks can be fixed to the connecting seats 16 respectively, so that it is more stable in front, back, left and right directions, not easy to shake, and the force is more even.

[0030] Embodiment 3: A shaft 7 is provided inside one side of the motor body 4, a protective cover 6 is fixedly connected to one side of the front cover 5, an absorbent cotton 8 is fixedly connected inside the protective cover 6, a reserved channel 12 is provided on one side of the top of the protective cover 6, and the reserved channel 12 is connected to the inside of the absorbent cotton 8;

[0031] The top of the reserved channel 12 is movably connected with a sealing plug 13, one side of the protective cover 6 is provided with a reserved opening 9, one side of the protective cover 6 is fixedly connected with a hinge seat 11, and a dust cover 10 is movably hinged between the hinge seats 11;

[0032] The absorbent cotton 8 is aligned with the shaft 7, and the absorbent cotton 8 is wrapped around the outside of the shaft 7;

[0033] The dust cover 10 is aligned with the reserved opening 9, and the diameter of the dust cover 10 is greater than the diameter of the reserved opening 9;

[0034] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the lubricating oil can be injected into the absorbent cotton 8 by utilizing the reserved channel 12 in the protective cover 6, the dust cover 10 is opened, and the external connecting shaft is connected to the shaft body 7. The shaft body 7 will pass through the absorbent cotton 8 when rotating. The oil absorbed in the absorbent cotton 8 can wipe the shaft body 7 to make its rotation smoother. When not in use, the dust cover 10 can be flipped down and clamped on the outside of the reserved opening 9.

[0035] Working principle: When the utility model is in use, first, when the motor is suspended and installed, the hooks can be fixed to the connecting seat 16 respectively to make it more stable in front, back, left and right directions, not easy to shake, and the force is more even. Afterwards, the lubricating oil can be injected into the absorbent cotton 8 by using the reserved channel 12 in the protective cover 6, and the dust cover 10 is opened to connect the external connecting shaft to the shaft body 7. The shaft body 7 will pass through the absorbent cotton 8 when rotating. The oil absorbed in the absorbent cotton 8 can wipe the shaft body 7 to make its rotation smoother. When not in use, the dust cover 10 can be flipped down and clamped on the outside of the reserved opening 9. Finally, the explosion-proof plate 14 is fitted with the inner wall of the front cover 5, the rear cover 17 and the motor body 4 to provide the first layer of explosion-proof protection. The explosion-proof performance can be enhanced by the internal explosion-proof net 15. The double explosion-proof protection can make the explosion-proof effect better.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A three-phase asynchronous motor with a flameproof structure, comprising a base (1) and a motor body (4), characterized in that: The top of the base (1) is fixedly connected to a support seat (18), the top of the support seat (18) is fixedly connected to a motor body (4), a front cover (5) is installed on one side of the motor body (4), and a rear cover (17) is installed on the other side of the motor body (4), the inner walls of the motor body (4), the front cover (5) and the rear cover (17) are fixedly connected to an explosion-proof plate (14), and the outer wall of the explosion-proof plate (14) is fixedly connected to an explosion-proof net (15).

2. The three-phase asynchronous motor with a flameproof structure according to claim 1, characterized in that: The shapes of the explosion-proof plate (14) are respectively the same as those of the motor body (4), the protective cover (6) and the rear cover (17).

3. The three-phase asynchronous motor with a flameproof structure according to claim 1, characterized in that: The first fixing seat (2) is fixedly connected to both sides of the top of the base (1), the front end of the top of the base (1) is fixedly connected to the second fixing seat (3), the first fixing seat (2), the second fixing seat (3) and the top of the motor body (4) are fixedly connected to a connecting seat (16), and the first fixing seat (2) is in an inverted "concave" shape.

4. The three-phase asynchronous motor with a flameproof structure according to claim 3 is characterized in that: Two groups of the second fixing seats (3) are provided, and the second fixing seats (3) are symmetrically distributed at the front end and the rear end of the top of the base (1).

5. The three-phase asynchronous motor with a flameproof structure according to claim 1, characterized in that: A shaft (7) is provided inside one side of the motor body (4); a protective cover (6) is fixedly connected to one side of the front cover (5); absorbent cotton (8) is fixedly connected inside the protective cover (6); a reserved channel (12) is provided on one side of the top of the protective cover (6); and the reserved channel (12) is connected to the inside of the absorbent cotton (8).

6. The three-phase asynchronous motor with a flameproof structure according to claim 5, characterized in that: The top end of the reserved channel (12) is movably connected to a sealing plug (13), one side of the protective cover (6) is provided with a reserved opening (9), one side of the protective cover (6) is fixedly connected to a hinge seat (11), and a dust cover (10) is movably hinged between the hinge seats (11).

7. The three-phase asynchronous motor with a flameproof structure according to claim 5, characterized in that: The absorbent cotton (8) is aligned with the position of the shaft (7), and the absorbent cotton (8) is wrapped around the outside of the shaft (7).

8. The three-phase asynchronous motor with a flameproof structure according to claim 6, characterized in that: The dust cover (10) is aligned with the position of the reserved opening (9), and the diameter of the dust cover (10) is greater than the diameter of the reserved opening (9).

Images