CN211046647U - End cover shell sealing mechanism of motor - Google Patents

Abstract

The utility model discloses an end cover shell sealing mechanism of motor, including shell, linking bridge and terminal box, the shell front end is equipped with perpendicular installed part, and is provided with the linking bridge in the shell to the linking bridge other end is connected with the inner shell, install the motor in the inner shell, and the inner shell rear end outside is equipped with the heat pipe, the shell rear end is equipped with radiator fan, and the shell front end is equipped with flange seal to flange seal front end is connected with the end cover, the wire casing has all been seted up to shell and inner shell upper end, and is equipped with the terminal box on the shell, the terminal box lower extreme is equipped with seal pressing plate. This end cover shell sealing mechanism of motor through the connection of coupling groove and flange, has strengthened the leakproofness of end cover and the sealed kneck of flange, is greater than the thickness that seal gasket can just be placed to coupling groove's length through the flange, also is convenient for sealing mechanism's installation when improving the leakproofness.

Description

End cover shell sealing mechanism of motor

Technical Field

The utility model relates to the technical field of motors, specifically be an end cover shell sealing mechanism of motor.

Background

The asynchronous motor has the advantages of simple structure, convenient manufacture, use and maintenance, reliable operation, smaller quality, lower cost and the like, and is mainly and widely applied to most of industrial and agricultural production machinery such as driving machine tools, water pumps, blowers, compressors, hoisting and winding equipment, mining machinery, light industrial machinery, agricultural and sideline product processing machinery and the like, household appliances, medical appliances and the like.

However, in most existing motors, a sealing ring is added at the end of a shaft, and the motor spindle is generally made of medium carbon structural steel with hard texture, so that the sealing ring cannot be well matched with the motor spindle, and the sealing contact surface is not consistent and an air gap is increased, which further affects the sealing degree of the motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an end cover shell sealing mechanism of motor to propose very big probably to cause sealing contact surface to be incoherent and the air gap increases in solving above-mentioned background art, and then cause the problem of influence to the sealed degree of motor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an end cover shell sealing mechanism of motor, includes shell, linking bridge and terminal box, the shell front end is equipped with perpendicular installed part, and is provided with the linking bridge in the shell to the linking bridge other end is connected with the inner shell, install the motor in the inner shell, and the inner shell rear end outside is equipped with the heat pipe, the shell rear end is equipped with radiator fan, and the shell front end is equipped with flange seal to flange seal front end is connected with the end cover, the wire casing has all been seted up to shell and inner shell upper end, and is equipped with the terminal box on the shell, the terminal box lower extreme is equipped with seal clamp plate, and the seal clamp plate upper end is connected with the clamp plate sealing washer, the through-hole has been seted up to the end cover middle-end, and end cover rear end surface has seted up annular mount pad and connecting groove from outside to.

Preferably, the shell is provided with 2 vertical installation parts at the upper end and the lower end of the shell symmetrically, and the shell is movably installed with the end cover through the vertical installation parts.

Preferably, the outer sides of the inner shells are symmetrically provided with connecting supports which are in a trapezoidal structure and are arranged in an annular mode.

Preferably, the inner shell is made of an aluminum alloy material, and the inner shell and the heat conduction pipe are of an integrated structure.

Preferably, the surface of the rear end of the end cover is provided with 3 annular mounting seats at equal intervals, and the annular mounting seats are connected with the mounting cavity through screw threads.

Preferably, the connecting groove is movably connected with the flange, and the length of the flange is greater than that of the connecting groove.

Compared with the prior art, the beneficial effects of the utility model are that: the end cover shell sealing mechanism of the motor,

1. the sealing performance at the sealing interface of the end cover and the flange is enhanced by the connection of the connecting groove and the flange, the thickness of a sealing gasket can be just set by the length of the flange which is greater than the length of the connecting groove, and the sealing performance is improved while the installation of a sealing mechanism is facilitated;

2. through the good heat conductivity of the inner shell, the heat conduction pipe filled with the cooling liquid can dissipate heat of the inner shell, and the heat is discharged out of the outer shell by the rear heat dissipation fan, so that the damage of an inner rotor caused by overheating of the motor is prevented, and the service life of the motor is prolonged;

3. through being connected of a plurality of annular mount pads and installation cavity, make the fixed laminating more between end cover and the flange seal, prevent that the infiltration of dust, liquid and gas from leading to rustting and influencing sealed effect.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the front view structure of the end cap of the present invention;

FIG. 3 is a rear view of the inner shell of the present invention;

fig. 4 is a schematic view of the flange seal front view structure of the present invention.

In the figure: 1. a housing; 2. a vertical mounting member; 3. connecting a bracket; 4. an inner shell; 5. a motor; 6. a heat conducting pipe; 7. a heat radiation fan; 8. sealing a flange; 9. an end cap; 10. a wire slot; 11. a junction box; 12. sealing the pressure plate; 13. a pressure plate sealing ring; 14. a through hole; 15. a connecting groove; 16. an annular mounting seat; 17. a mounting cavity; 18. a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sealing mechanism of an end cover shell of a motor comprises a shell 1, a connecting bracket 3 and a junction box 11, wherein the front end of the shell 1 is provided with a vertical mounting part 2, the connecting bracket 3 is arranged in the shell 1, the other end of the connecting bracket 3 is connected with an inner shell 4, a motor 5 is arranged in the inner shell 4, the outer side of the rear end of the inner shell 4 is provided with a heat conducting pipe 6, the rear end of the outer shell 1 is provided with a heat radiating fan 7, the front end of the outer shell 1 is provided with a flange seal 8, the front end of the flange seal 8 is connected with an end cover 9, the upper ends of the outer shell 1 and the inner shell 4 are both provided with a wire groove 10, the upper end of the shell 1 is provided with a junction box 11, the lower end of the junction box 11 is provided with a sealing pressure plate 12, the upper end of the sealing pressure plate 12 is connected with a pressure plate sealing ring 13, the middle end of the end cover 9 is provided with a through hole 14, and the back end surface of the end cover 9 is provided with an annular mounting seat 16 and a connecting groove 15 from outside to inside, and the front end surface of the flange seal 8 is provided with a mounting cavity 17 and a flange 18 from outside to inside.

2 vertical mounting pieces 2 are symmetrically arranged at the upper end and the lower end of the shell 1, the shell 1 is movably mounted with an end cover 9 through the vertical mounting pieces 2, the end cover 9 and the shell 1 are connected with each other through the vertical mounting pieces 2, the flange seal 8 at the rear end of the end cover 9 is clamped conveniently, and meanwhile, a sealing gasket is conveniently mounted between the end cover 9 and the flange seal 8, so that the assembly and disassembly are simple, and the sealing performance of the front end connection of the shell 1 is also ensured;

the connecting supports 3 are symmetrically arranged on the outer side of the inner shell 4, the connecting supports 3 are in a trapezoidal structure and are arranged annularly, the connecting stability of the inner shell 4 and the outer shell 1 is enhanced through the connecting supports 3, the main supporting function is provided for the inner shell 4, the inner shell and the outer shell are matched with each other through the shape structure and the arrangement, and the arrangement of lines is not influenced;

the inner shell 4 is made of aluminum alloy, the inner shell 4 and the heat conduction pipe 6 are of an integrated structure, the heat conduction pipe 6 filled with cooling liquid can dissipate heat of the inner shell 4 through good heat conductivity of the inner shell 4, and heat energy is discharged out of the outer shell 1 through the rear heat dissipation fan 7, so that damage to an inner rotor caused by overheating of the motor is prevented, and the service life of the motor is prolonged;

3 annular mounting seats 16 are arranged on the surface of the rear end of the end cover 9 at equal intervals, the annular mounting seats 16 are in threaded connection with the mounting cavity 17, and the end cover 9 is fixed to the flange seal 8 more closely by the connection of the annular mounting seats 16 and the mounting cavity 17, so that the sealing effect is prevented from being affected by rusting caused by the infiltration of dust, liquid and gas;

the connecting groove 15 is movably connected with the flange 18, the length of the flange 18 is larger than that of the connecting groove 15, the sealing performance of the interface between the end cover 9 and the flange seal 8 is enhanced through the connection of the connecting groove 15 and the flange 18, the thickness of a sealing gasket can be just placed through the length of the flange 18 larger than that of the connecting groove 15, and the sealing performance is improved while the sealing mechanism is convenient to install.

The working principle is as follows: when the end cover outer shell sealing mechanism of the motor is used, firstly, the connecting support 3 is used for enhancing the connecting stability of the inner shell 4 and the outer shell 1, and the inner shell 4 is also provided with a main supporting function, the shape structure and the arrangement are used for enabling the inner shell 4 and the outer shell 1 to be mutually matched, the arrangement of lines is not influenced, the end cover 9 and the outer shell 1 are mutually connected through the vertical mounting piece 2, the flange seal 8 at the rear end of the end cover 9 is convenient to clamp, and the sealing gasket is also convenient to be arranged between the end cover 9 and the flange seal 8, so that the dismounting is simple, the sealing performance of the connection at the front end of the outer shell 1 is ensured, the fixing between the end cover 9 and the flange seal 8 is more fit through the connection of the plurality of annular mounting seats 16 and the mounting cavity 17, the sealing effect is prevented from being influenced by rusting caused by the infiltration of dust, liquid and gas, and the connection of the flange, the length of being greater than connecting groove 15 through flange 18 can just place seal gasket's thickness, through-hole 14 matches with the pivot, also be convenient for sealing mechanism's installation when improving the leakproofness, through the good heat conductivity of inner shell 4, heat pipe 6 that is equipped with the coolant liquid can dispel the heat to inner shell 4, and discharge shell 1 with heat energy by radiator fan 7 at rear, thereby prevent that motor 5 from overheated leading to inside rotor to damage, the life of motor 5 has been improved, compress tightly sealed clamp plate 12 and clamp plate sealing washer 13 through bolt-up, lead the wire through wire casing 10, sealed clamp plate 12 and clamp plate sealing washer 13 and terminal box 11 sealing connection, not only the leakproofness is good, still simple structure is convenient for the installation of sealed clamp plate 12 and clamp plate sealing washer 13 and terminal box 11, thereby whole practicality has been increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an end cover shell sealing mechanism of motor, includes shell (1), linking bridge (3) and terminal box (11), its characterized in that: the front end of the outer shell (1) is provided with a vertical mounting part (2), a connecting support (3) is arranged in the outer shell (1), the other end of the connecting support (3) is connected with an inner shell (4), a motor (5) is installed in the inner shell (4), a heat conducting pipe (6) is arranged on the outer side of the rear end of the inner shell (4), the rear end of the outer shell (1) is provided with a radiating fan (7), the front end of the outer shell (1) is provided with a flange seal (8), the front end of the flange seal (8) is connected with an end cover (9), wire grooves (10) are formed in the upper ends of the outer shell (1) and the inner shell (4), a junction box (11) is arranged at the upper end of the outer shell (1), a sealing pressing plate (12) is arranged at the lower end of the junction box (11), a pressing plate sealing ring (13) is connected to the upper end of the sealing plate (12), a through hole (14), the front end surface of the flange seal (8) is provided with a mounting cavity (17) and a flange (18) from outside to inside.

2. The end cap housing seal mechanism of an electric machine of claim 1, wherein: both ends symmetry is provided with 2 perpendicular installed parts (2) about shell (1), and shell (1) through perpendicular installed part (2) and end cover (9) movable mounting.

3. The end cap housing seal mechanism of an electric machine of claim 1, wherein: the outer side of the inner shell (4) is symmetrically provided with connecting supports (3), and the connecting supports (3) are in a trapezoidal structure and are arranged in an annular mode.

4. The end cap housing seal mechanism of an electric machine of claim 1, wherein: the inner shell (4) is made of aluminum alloy materials, and the inner shell (4) and the heat conduction pipe (6) are of an integrated structure.

5. The end cap housing seal mechanism of an electric machine of claim 1, wherein: the rear end surface of the end cover (9) is provided with 3 annular mounting seats (16) at equal intervals, and the annular mounting seats (16) are in threaded connection with the mounting cavity (17).

6. The end cap housing seal mechanism of an electric machine of claim 1, wherein: the connecting groove (15) is movably connected with the flange (18), and the length of the flange (18) is larger than that of the connecting groove (15).

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