Explosion-proof motor

Abstract

The utility model belongs to the technical field of motors, and particularly relates to an explosion-proof motor, which comprises a casing. The machine covers are arranged at the two ends of the machine shell, and heat dissipation structures are arranged on the machine covers; the rotor is arranged in the machine shell and is connected with the machine cover; and the stator is arranged in the machine shell, is positioned on the outer side of the rotor and is connected with the machine cover.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to an explosion-proof motor. Background Art

[0002] An electric motor (commonly known as a "motor") is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It is divided into electric motors (symbol M) and generators (symbol G).

[0003] Existing motors, especially high-power motors, are prone to malfunction or even explosion due to internal high temperatures after long-term use. Therefore, we have specially designed an explosion-proof motor. Utility Model Content

[0004] The purpose of this utility model is to provide an explosion-proof motor to solve the above-mentioned technical problems, so as to achieve the effect of easy maintenance.

[0005] In view of this, the present invention provides an explosion-proof motor, comprising:

[0006] chassis;

[0007] The machine cover is arranged at both ends of the housing and is provided with a heat dissipation structure;

[0008] The rotor is arranged in the casing and connected to the cover;

[0009] The stator is arranged in the casing and outside the rotor, and the stator is connected to the cover.

[0010] In the above technical solution, further, the housing includes:

[0011] outer shell;

[0012] inner shell;

[0013] A support frame body, the support frame body connects the outer shell and the inner shell, and the support frame body extends toward the inner side of the inner shell to form a connection surface, and a first connection hole is provided on the connection surface;

[0014] A protective cavity is formed between the outer shell and the inner shell.

[0015] In the above technical solution, further, the cover includes:

[0016] The main body is connected to both ends of the casing and closes the protective cavity between the outer shell and the inner shell. The main body is provided with a second connection hole corresponding to the first connection hole;

[0017] The boss is arranged on the inner end surface of the body, and a reserved groove is provided on the boss, and an axial hole is provided on the end surface of the reserved groove;

[0018] An assembly frame body is arranged on the outside of the boss, a slot is formed between the assembly frame body and the boss, and the stator is connected to the slot;

[0019] Wherein, a matching groove is provided on the outer side wall of the assembly frame body corresponding to the support frame body.

[0020] In the above technical solution, further, the heat dissipation structure includes:

[0021] A fan, the fan is connected to the rotor;

[0022] The bearing is arranged in the reserved groove and connected to the outer wall of the fan;

[0023] Among them, a limiting protrusion is set in the reserved groove corresponding to the bearing.

[0024] In the above technical solution, further comprising:

[0025] A fixing member is arranged on the reserved groove and abuts against the bearing, and an edge is arranged on the inner side of the fixing member to abut against the bearing;

[0026] Wherein, a connecting ear is provided on the fixing piece, a third connecting hole is provided on the connecting ear, and a fourth connecting hole is correspondingly provided on the main body.

[0027] In the above technical solution, further comprising:

[0028] The rubber pads are arranged at both ends of the housing, the rubber pads seal the protective cavity, and openings are arranged corresponding to the first connecting holes.

[0029] In the above technical solution, further comprising:

[0030] The sinking groove is arranged on the outer end surface of the machine cover, and the second connecting hole is arranged in the sinking groove.

[0031] The beneficial effects of the present invention are as follows: the heat dissipation structure actively dissipates heat from the casing through the cover, thereby protecting the motor; at the same time, the motor can be maintained by removing the covers on both sides of the casing, and the rotor and stator are both connected to the covers, thereby facilitating assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural diagram of the utility model;

[0033] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0034] Figure 3 It is a schematic diagram of the casing of the utility model;

[0035] Figure 4 It is a schematic diagram of the cover of the utility model;

[0036] The markings in the figure are as follows: 1. Casing; 11. Outer shell; 12. Inner shell; 13. Support frame; 131. First connecting hole; 2. Cover; 21. Main body; 211. Second connecting hole; 212. Fourth connecting hole; 22. Boss; 221. Reserved groove; 2211. Limiting protrusion; 222. Shaft hole; 23. Assembly frame; 231. Slot; 3. Rotor; 4. Stator; 5. Heat dissipation structure; 51. Fan; 52. Bearing; 6. Fixing part; 61. Connecting ear; 611. Third connecting hole; 62. Edge; 7. Rubber pad; 8. Sink. DETAILED DESCRIPTION

[0037] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0038] Example 1:

[0039] This embodiment provides an explosion-proof motor, comprising:

[0040] Housing 1;

[0041] The cover 2 is provided at both ends of the housing 1 and has a heat dissipation structure 5;

[0042] The rotor 3 is disposed in the housing 1 and connected to the cover 2;

[0043] The stator 4 is arranged in the casing 1 and outside the rotor 3 . The stator 4 is connected to the cover 2 .

[0044] As can be seen from this embodiment, an explosion-proof motor comprises a housing 1, a cover 2, a rotor 3 and a stator 4, wherein the stator 4 is a strong neodymium magnet;

[0045] The cover 2 is movably connected to both ends of the casing 1, and a heat dissipation structure 5 is provided on the cover 2. When in use, the heat dissipation structure 5 actively dissipates heat from the casing 1 through the cover 2, thereby protecting the motor. At the same time, the motor can be maintained by removing the covers 2 on both sides of the casing 1, and the rotor 3 and the stator 4 are both connected to the cover 2, which facilitates assembly.

[0046] Example 2:

[0047] This embodiment provides an explosion-proof motor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] The housing includes:

[0049] Outer shell 11;

[0050] Inner housing 12;

[0051] The support frame 13 connects the outer shell 11 and the inner shell 12, and the support frame 13 extends toward the inner side of the inner shell 12 to form a connecting surface, and a first connecting hole 131 is provided on the connecting surface;

[0052] A protective cavity is formed between the outer shell 11 and the inner shell 12 .

[0053] As can be seen from this embodiment, the housing includes an outer housing 11, an inner housing 12 and a support frame 13;

[0054] The outer shell 11 and the inner shell 12 are connected together by a support frame 13, and the support frame 13 extends inwardly of the inner shell 12 to form a connecting surface. The connecting surface is provided with a first connecting hole 131 for connecting the cover 2;

[0055] The housing is a double-layer design. When in use, the outer housing 11 can protect the inner housing 12, thereby extending the service life of the motor.

[0056] Example 3:

[0057] This embodiment provides an explosion-proof motor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0058] Cover 2 includes:

[0059] The body 21 is connected to both ends of the housing 1 and seals the protective cavity between the outer shell 11 and the inner shell 12. The body 21 is provided with a second connection hole 211 corresponding to the first connection hole 131;

[0060] The boss 22 is provided on the inner end surface of the body 21 and has a reserved groove 221 provided on the boss 22. The end surface of the reserved groove 221 has an axial hole 222 provided thereon.

[0061] The assembly frame 23 is arranged on the outside of the boss 22. A slot 231 is formed between the assembly frame 23 and the boss 22. The stator 4 is connected to the slot 231.

[0062] The outer wall surface of the assembly frame body 23 is provided with a matching groove corresponding to the support frame body 13 .

[0063] As can be seen from this embodiment, the cover 2 includes a body 21, a boss 22 and an assembly frame 23;

[0064] The body 21 is connected to both ends of the housing 1 and seals the protective cavity. The body 21 has a second connection hole 211 corresponding to the first connection hole 131. When in use, the body 21 is connected to the housing 1 by bolts connecting the second connection hole 211 and the first connection hole 131 in sequence.

[0065] The boss 22 is formed on one end face of the body 21 that fits onto the housing 1. A reserved groove 221 is formed on the boss 22, and an axial hole 222 is formed on the end face of the reserved groove 221. The output end of the rotor 3 fits into the reserved groove 221 through the axial hole 222.

[0066] The assembly frame 23 is formed on the end face of the main body 21 outside the boss 22, and a matching groove is formed on the assembly frame 23. When in use, the stator 4 is connected to the matching groove. Furthermore, a metal sheet that can be magnetically attracted is fixed inside the matching groove.

[0067] Example 4:

[0068] This embodiment provides an explosion-proof motor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0069] The heat dissipation structure 5 includes:

[0070] A fan 51 connected to the rotor 3;

[0071] The bearing 52 is disposed in the reserved groove 221 and connected to the outer wall of the fan 51;

[0072] A limiting protrusion 2211 is provided in the reserved groove 221 corresponding to the bearing 52 .

[0073] It can be seen from this embodiment that the heat dissipation structure 5 includes a fan 51 and a bearing 52, and a limiting protrusion 2211 is formed on the inner wall surface of the reserved groove 221 for fitting with the bearing 52 for installation;

[0074] The fan 51 is connected to the rotor 3 and is driven to rotate by the rotor 3. The bearing 52 is connected to the outside of the fan 51 and is fixed to the reserved groove 221. The bearing 52 firmly fits the fan 51 in the reserved groove 221. At the same time, the bearing 52 can reduce kinetic energy loss, thereby achieving good heat dissipation effect, helping to save energy consumption, and thus reducing usage costs.

[0075] Example 5:

[0076] This embodiment provides an explosion-proof motor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0077] The fixing member 6 is arranged on the reserved groove 221 and abuts against the bearing 52 , and an edge 62 is provided on the inner side of the fixing member 6 , and the edge 62 abuts against the bearing 52 ;

[0078] The fixing member 6 is provided with a connecting ear 61 , the connecting ear 61 is provided with a third connecting hole 611 , and the body 21 is correspondingly provided with a fourth connecting hole 212 .

[0079] In this embodiment, it can be seen that a connecting ear 61 is formed on the fixing member 6, and a third connecting hole 611 is formed on the connecting ear 61;

[0080] Furthermore, the body 21 is provided with a fourth connection hole 212 corresponding to the third connection ear 61, and the fixing member 6 is connected to the third connection hole 611 and the fourth connection hole 212 in sequence by bolts;

[0081] Furthermore, an edge 62 is provided on the inner end face of the fixing member 6, which extends to the reserved groove 221 when the fixing member 6 is connected to the machine cover 2, and fastens the bearing 52 against the limiting protrusion 2211, thereby making the connection between the bearing 52 and the machine cover 2 stable.

[0082] Example 6:

[0083] This embodiment provides an explosion-proof motor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0084] The rubber pads 7 are arranged at both ends of the housing 1 . The rubber pads 7 seal the protective cavity and provide openings corresponding to the first connecting holes 131 .

[0085] It can be seen from this embodiment that the rubber pad 7 is provided to reduce the vibration generated by the casing 1 and the cover 2 during operation, thereby protecting the matching structure between the cover 2 and the casing 1 and helping to extend the service life.

[0086] Example 7:

[0087] This embodiment provides an explosion-proof motor, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0088] The sink 8 is provided on the outer end surface of the cover 2 , and the second connecting hole 211 is provided in the sink 8 .

[0089] It can be seen from this embodiment that by setting a recessed groove 8 on the machine cover 2 and setting the second connecting hole 211 in the recessed groove 8, the bolt will be located between the recessed groove 8 when connecting the first connecting hole 131 and the second connecting hole 211, and will be protected by the recessed groove 8.

[0090] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. An explosion-proof motor, characterized in that: include: Housing (1); A machine cover (2), wherein the machine cover (2) is arranged at both ends of the housing (1), and a heat dissipation structure (5) is provided on the machine cover (2); A rotor (3), wherein the rotor (3) is disposed in the housing (1) and connected to the cover (2); The stator (4) is arranged in the casing (1) and is located outside the rotor (3). The stator (4) is connected to the cover (2).

2. The explosion-proof motor according to claim 1, wherein the housing include: outer shell (11); Inner housing (12); A support frame (13), wherein the support frame (13) is connected to the outer shell (11) and the inner shell (12), and the support frame (13) extends toward the inner side of the inner shell (12) to form a connection surface, and a first connection hole (131) is provided on the connection surface; A protective cavity is formed between the outer shell (11) and the inner shell (12).

3. An explosion-proof motor according to claim 2, characterized in that: The cover (2) comprises: A body (21), the body (21) being connected to both ends of the casing (1) and sealing the protective cavity between the outer casing (11) and the inner casing (12), the body (21) being provided with a second connecting hole (211) corresponding to the first connecting hole (131); A boss (22), wherein the boss (22) is arranged on the inner end surface of the body (21), and a reserved groove (221) is provided on the boss (22), and an axis hole (222) is provided on the end surface of the reserved groove (221); An assembly frame (23), wherein the assembly frame (23) is arranged outside the boss (22), a slot (231) is formed between the assembly frame (23) and the boss (22), and the stator (4) is connected to the slot (231); Wherein, a matching groove is provided on the outer wall surface of the assembly frame (23) corresponding to the support frame (13), and the heat dissipation structure (5) is installed in the reserved groove (221).

4. The explosion-proof motor according to claim 3, characterized in that: The heat dissipation structure (5) comprises: a fan (51), wherein the fan (51) is connected to the rotor (3); A bearing (52), wherein the bearing (52) is disposed in the reserved groove (221) and connected to the outer wall of the fan (51); Wherein, a limiting protrusion (2211) is provided in the reserved groove (221) corresponding to the bearing (52).

5. The explosion-proof motor according to claim 4, characterized in that include: A fixing member (6), wherein the fixing member (6) is arranged on the reserved groove (221) and abuts against the bearing (52), and an edge (62) is arranged on the inner side of the fixing member (6), and the edge (62) abuts against the bearing (52); The fixing member (6) is provided with a connecting ear (61), the connecting ear (61) is provided with a third connecting hole (611), and the main body (21) is correspondingly provided with a fourth connecting hole (212).

6. The explosion-proof motor according to claim 5, characterized in that include: Rubber pads (7), the rubber pads (7) are arranged at both ends of the housing (1), the rubber pads (7) seal the protective cavity, and are provided with openings corresponding to the first connection holes (131).

7. The explosion-proof motor according to claim 6, characterized in that include: A sink (8), wherein the sink (8) is arranged on the outer end surface of the machine cover (2), and the second connecting hole (211) is arranged in the sink (8).

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