Motor sealing structure

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a motor sealing structure, which comprises a casing, a cavity is arranged in the casing, connecting grooves are arranged at two ends of the cavity, and the connecting grooves are connected with a cover. The sealing sleeves are arranged at the two ends of the machine shell and matched with the connecting grooves in a limiting mode, and the machine cover is connected with the connecting grooves to fix the sealing sleeves.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field especially relates to a motor sealing structure. BACKGROUND

[0002] Motor (commonly known as "motor") refers to the electromagnetic device according to electromagnetic induction law realizes electric energy conversion or transmission. Divided into motor (symbol is M) and generator (symbol is G).

[0003] The existing motor often encounters various harsh use environment in the use process, especially if it is outdoor use under rainy weather, rainwater penetration is easy to appear, which causes great security risk to the use of motor, wherefore we specially design a motor sealing structure. UTILITY MODEL CONTENTS

[0004] The utility model discloses a motor sealing structure, which can help to ensure safe use.

[0005] Therefore, the utility model provides a motor sealing structure, which comprises:

[0006] A machine shell is provided with a cavity, and connecting grooves are arranged at both ends of the cavity.

[0007] A sealing sleeve is arranged at both ends of the machine shell and is limitedly matched on the connecting grooves.

[0008] In the above technical scheme, further, the sealing sleeve comprises:

[0009] A body is provided with a second shaft hole, and a following edge is formed on the body.

[0010] A boss is arranged on the inner side end face of the body, and a stator slot is arranged on the boss.

[0011] The following edge is connected to the inner side of the connecting groove.

[0012] In the above technical scheme, further, the utility model also comprises:

[0013] A bearing is arranged on the body.

[0014] The outer side end face of the body is formed with a concave cavity, and the end face of the concave cavity is formed with a mounting table.

[0015] The following edge is arranged on the outer side of the concave cavity.

[0016] In the above technical scheme, further, the utility model also comprises:

[0017] The deformation groove is arranged on the mounting table and penetrates into the mounting cavity.

[0018] In the above technical solution, further comprising:

[0019] The hoop is arranged on the mounting table and has a through hole corresponding to the second shaft hole.

[0020] In the above technical solution, further comprising:

[0021] The limiting protrusion is arranged on the connecting groove, the cover is located outside the limiting protrusion, and the sealing sleeve is located inside the limiting protrusion.

[0022] The connecting groove outside the limiting protrusion is provided with a first thread, the connecting groove outside the limiting protrusion is a smooth surface, and cooperates with the edge.

[0023] In the above technical solution, further comprising:

[0024] The second thread is arranged on the mounting table and located on a section below the deformation groove, and the hoop is threadedly connected with the mounting table.

[0025] In the above technical solution, further comprising:

[0026] The heat dissipation fin is arranged on the outer wall surface of the shell.

[0027] The utility model discloses a beneficial effect is: good sealing performance can effectively ensure that the motor can work normally under the effect of bad environment, and the sealing sleeve, shell and cover assembly structure compact and reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the structure schematic diagram of the utility model;

[0029] Figure 2 It is the internal structure schematic diagram of the utility model;

[0030] Figure 3 It is the local schematic diagram of the utility model;

[0031] Figure 4 It is the sealing sleeve assembly explosion drawing of the utility model;

[0032] The mark in the drawing is: 1, shell; 11, cavity; 12, connecting groove; 2, cover; 21, first shaft hole; 3, sealing sleeve; 31, body; 311, second shaft hole; 312, recess; 313, mounting table; 3131, mounting cavity; 3132, deformation groove; 32, boss; 321, stator slot; 4, bearing; 5, hoop; 51, through hole; 6, limiting protrusion; 7, heat dissipation fin; DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art belong to the scope of protection of the present application.

[0034] Embodiment 1

[0035] The embodiment provides a motor sealing structure, comprising:

[0036] A shell 1 is provided with a cavity 11 inside, the cavity 11 is provided with a connecting groove 12 at both ends, the connecting groove 12 is connected with a machine cover 2, and the machine cover 2 is provided with a first shaft hole 21;

[0037] A sealing sleeve 3 is arranged at both ends of the shell 1 and is limitedly matched on the connecting groove 12, and the machine cover 2 is connected with the connecting groove 12 to fix the sealing sleeve 3.

[0038] The embodiment can be seen that a motor sealing structure comprises a shell 1 and a sealing sleeve 3;

[0039] The shell 1 is formed with a cavity 11 inside for mounting a rotor and a stator, the cavity 11 is formed with a connecting groove 12 at both ends, the connecting groove 12 is connected with a machine cover 2, the machine cover 2 is connected with the shell 1 to close the cavity 11, and further, the machine cover 2 is formed with a first shaft hole 21 for connecting the rotor;

[0040] The sealing sleeve 3 is arranged at both ends of the cavity 11 and is connected on the connecting groove 12, and the machine cover 2 is tightly abutted on the inner side end face of the connecting groove 12 when being connected with the shell 1, so that the connection of the sealing sleeve 3 is stable;

[0041] The sealing performance is good, which can effectively ensure that the motor can work normally in a harsh environment, and the assembly structure of the sealing sleeve 3, the shell 1 and the machine cover 2 is compact and reasonable.

[0042] Embodiment 2

[0043] The embodiment provides a motor sealing structure, in addition to comprising the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0044] The sealing sleeve 3 comprises:

[0045] A body 31 is provided with a second shaft hole 311, and the body 31 is formed with a side along;

[0046] A boss 32 is arranged on the inner side end face of the body 31, and the boss 32 is provided with a stator groove 321;

[0047] The edge connection is inside the connecting groove 12.

[0048] As can be seen from the embodiment, the sealing sleeve 3 comprises the body 31 and the boss 32, and the sealing sleeve 3 is integrally injection molded by a sealing material;

[0049] The second shaft hole 311 is formed on the body 31 for connecting the rotor, and the edge is formed on the periphery of the body 31 and is limited and matched together with the connecting groove 12, the boss 32 is formed on the inner side end face of the body 31, and the stator slot 321 is formed on the boss 32, and the two ends of the stator are connected in the stator slot 321, and then fixed in the cavity 11;

[0050] The cover 2 abuts against the sealing sleeve 3, and the sealing sleeve 3 is fastened and connected on the connecting groove 12 through the limited relationship between the edge and the connecting groove 12, and then helps to improve the sealing performance.

[0051] Embodiment 3:

[0052] The embodiment provides a motor sealing structure, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0053] The bearing 4 is arranged on the body 31;

[0054] The outer side end face of the body 31 is formed with the recess 312, and the mounting table 313 is formed on the end face of the recess 312, and the mounting cavity 3131 is formed in the mounting table 313, and the bearing 4 is arranged in the mounting cavity 3131;

[0055] The edge is outside the recess 312.

[0056] As can be seen from the embodiment, the outer side end face of the body 31 is formed with the recess 312, and the mounting table 313 is formed on the end face of the recess 312, and the second shaft hole 311 is formed on the mounting table 313, and the mounting cavity 3131 is formed in the inner side of the mounting table 313 and is concentric with the second shaft hole 311, and the bearing 4 is installed in the mounting cavity 3131, and the bearing 4 is arranged in the mounting table 313 and cooperates with the rotor, which helps to reduce the wear between the rotor and the body 31, and then helps to prolong the service life of the sealing sleeve 3, and then improves the working effect of the motor in harsh environment.

[0057] Embodiment 4:

[0058] The embodiment provides a motor sealing structure, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0059] The deformation groove 3132 is arranged on the mounting table 313 and penetrates into the mounting cavity 3131.

[0060] The embodiment can be seen that the deformation groove 3132 is formed on the mounting table 313 and penetrates into the mounting cavity 3131. The deformation groove 3132 is arranged to facilitate the connection of the bearing 4 to the mounting cavity 3131, thereby facilitating assembly.

[0061] Embodiment 5:

[0062] The embodiment provides a motor sealing structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0063] The sleeve 5 is arranged on the mounting table 313 and is provided with a through hole 51 corresponding to the second shaft hole 311.

[0064] The embodiment can be seen that the sleeve 5 is arranged on the mounting table 313, and then the bearing 4 is connected and reinforced with the rotor in the working process, thereby preventing the bearing 4 from being thrown out during rotation.

[0065] Embodiment 6:

[0066] The embodiment provides a motor sealing structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0067] The limiting protrusion 6 is arranged on the connecting groove 12, the cover 2 is arranged outside the limiting protrusion 6, and the sealing sleeve 3 is arranged inside the limiting protrusion 6.

[0068] The first thread is arranged on the connecting groove 12 outside the limiting protrusion 6, the connecting groove 12 outside the limiting protrusion 6 is a smooth surface, and is matched with the edge.

[0069] The embodiment can be seen that the limiting protrusion 6 is formed on the connecting groove 12, the end surface of the connecting groove 12 inside the limiting protrusion 6 is a smooth surface, is used for matching the edge of the sealing sleeve 3, and the limiting protrusion 6 is arranged on the end surface of the edge of the sealing sleeve 3, thereby limiting the sealing sleeve 3. The connecting groove 12 outside the limiting protrusion 6 is formed with the first thread, is used for connecting and fixing with the shell 1, the cover 2 is connected with the first thread on the connecting groove 12 and is arranged on the outer end surface of the limiting protrusion 6, and the cover 2 does not directly contact the sealing sleeve 3, thereby preventing the cover 2 from damaging the sealing sleeve 3 during the connection of the cover 2 and the shell 1.

[0070] Embodiment 7:

[0071] The embodiment provides a motor sealing structure, in addition to comprising the technical scheme of the above embodiment, further has the following technical features.

[0072] The second thread is arranged on the mounting table 313 and is arranged on a section below the deformation groove 3132, and the sleeve 5 is threadedly connected with the mounting table 313.

[0073] The embodiment can be seen that the second thread is arranged on the mounting table 313, and the corresponding thread is arranged on the sleeve 5 to connect the second thread, thereby helping to improve the connection strength between the sleeve 5 and the mounting table 313, and thereby improving the connection strength of the bearing 4.

[0074] Embodiment 8:

[0075] The embodiment provides a motor sealing structure, in addition to the technical solutions of the above-mentioned embodiments, further having the following technical features.

[0076] The heat dissipation fins 7 are arranged on the outer side wall surface of the shell 1.

[0077] The embodiment can be seen that the heat dissipation fins 7 are arranged on the outer side wall surface of the shell 1, which helps to dissipate heat when the motor is working.

[0078] The embodiments of the present application are described above in combination with the drawings, and the embodiments and features in the embodiments in the present application can be combined with each other without conflict, the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims, all of which belong to the protection of the present application.

Claims

1. A motor sealing structure, characterized in that, include: The housing (1) has a cavity (11) inside, and connecting grooves (12) are provided at both ends of the cavity (11). The connecting grooves (12) are connected to the cover (2), and the cover (2) has a first shaft hole (21). The sealing sleeve (3) is set at both ends of the housing (1) and is limited and fitted on the connecting groove (12). The cover (2) is connected to the connecting groove (12) to fix the sealing sleeve (3).

2. The motor sealing structure according to claim 1, characterized in that, The sealing sleeve (3) includes: The body (31) is provided with a second shaft hole (311) and the body (31) is formed with an edge; A boss (32) is provided on the inner end face of the body (31), and a stator groove (321) is provided on the boss (32); The edge connection is located inside the connecting groove (12).

3. The motor sealing structure according to claim 2, characterized in that, it further... include: The bearing (4) is mounted on the body (31); The outer end face of the main body (31) is formed with a cavity (312), and a mounting platform (313) is formed on the end face of the cavity (312). A mounting cavity (3131) is formed inside the mounting platform (313), and the bearing (4) is disposed inside the mounting cavity (3131). The edge is located outside the concave cavity (312).

4. The motor sealing structure according to claim 3, characterized in that, it further includes... include: Deformation groove (3132) is provided on the mounting platform (313) and extends into the mounting cavity (3131).

5. The motor sealing structure according to claim 4, characterized in that, it further includes... include: The sleeve (5) is set on the mounting platform (313) and has a through hole (51) corresponding to the second shaft hole (311).

6. The motor sealing structure according to claim 5, characterized in that, it further... include: The limiting protrusion (6) is provided on the connecting groove (12), the machine cover (2) abuts against the outside of the limiting protrusion (6), and the sealing sleeve (3) is located inside the limiting protrusion (6). The connecting groove (12) located outside the limiting protrusion (6) is provided with a first thread. The connecting groove (12) located outside the limiting protrusion (6) is a smooth surface and is matched with the edge.

7. The motor sealing structure according to claim 6, characterized in that, it further... include: The second thread is provided on the mounting platform (313) and on a section below the deformation groove (3132), and the sleeve (5) is threadedly connected to the mounting platform (313).

8. The motor sealing structure according to claim 7, characterized in that, it further... include: Heat dissipation fins (7) are disposed on the outer wall surface of the housing (1).

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