CN216872982U

CN216872982U - High leakproofness motor end cover die casting

Info

Publication number: CN216872982U
Application number: CN202220153409.7U
Authority: CN
Inventors: 姚建宏; 吴晓红; 苏建峰; 姚烨煜
Original assignee: Wuxi Fujiate Machinery Co ltd
Current assignee: Wuxi Fujiate Machinery Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-01
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to the technical field of motor end cover components, and discloses a high-sealing-performance motor end cover die casting which comprises a machine shell, wherein an end cover is fixedly arranged at one end of the machine shell, a bearing cover is fixedly arranged at one side of the end cover, an installation plate is welded at the other side of the end cover, the size of the inner wall of the installation plate corresponds to that of the inner wall of the end cover, and a bearing groove is formed in the side surface of the end cover. This high leakproofness motor end cover die casting is through setting up radiating block and heat-conducting plate, it is outside to utilize logical groove to extend the radiating block to the end cover, the rethread increases the quantity of radiating block, and then make the heat radiating area of heat-conducting plate strengthen, conveniently give off and go out the heat that the motor is inside to produce, because the radiating block distributes around the output shaft, when the output shaft is rotatory, utilize the wind pressure that the output shaft rotation energy produced, can further accelerate the radiating efficiency of radiating block, reach the purpose that the end cover motor possesses the radiating effect.

Description

High leakproofness motor end cover die casting

Technical Field

The utility model relates to the technical field of motor end cover parts, in particular to a high-sealing-performance motor end cover die casting.

Background

The motor end cover die casting is an important component of a motor, the quality of the die casting directly influences the service life of the motor, and the cost performance of the excellent motor end cover die casting is more important at the present time when the die casting can be industrially produced in a large scale.

In different fields, the motor function that uses respectively differs, in the place that most are close to the water source and the place that the dust is more, the leakproofness of motor itself all is the important factor of deciding its life-span, but current big many motors can produce a large amount of heats in the use, if use the leakproofness end cover will lead to the inside too much heat of motor can't give off, and then burn out the circuit, and current big many motors are when the bearing of installation output shaft and end cover contact department, all need fix the end cover earlier, the bearing of installation this moment can be because there is slight skew error between end cover itself and the output shaft, and lead to the skew to appear in the fixed position of bearing installation, need long-time running-in just to make the bearing fixed, but long-time running-in also can lead to the bearing wearing and tearing to appear simultaneously, and then influence the leakproofness between end cover and the output shaft.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a high-sealing motor end cover die casting which has the advantages of good heat dissipation effect and bearing abrasion reduction, and solves the problems that excessive heat in a motor cannot be dissipated to burn out a circuit and fine offset errors exist between an end cover and an output shaft to influence the installation of a bearing due to the fact that most of existing sealing end covers.

The utility model provides the following technical scheme: the utility model provides a high leakproofness motor end cover die casting, includes the casing, the one end fixed mounting of casing has the end cover, one side fixed mounting of end cover has the bearing cap, the opposite side welding of end cover has the mounting panel, and the size of mounting panel inner wall is corresponding with the size of end cover inner wall, the dead slot has been seted up to the side of end cover, the side of end cover inner wall is provided with the heat-conducting plate, one side of heat-conducting plate is provided with the second rubber pad, the heat-conducting plate has the mounting through the overlap joint of second rubber pad, one side welding that the end cover was kept away from to the mounting panel has the sealing ring, the side of sealing ring is provided with the card strip.

Preferably, the inner wall of the end cover is provided with an embedded shell, the size of the inner wall of the embedded shell is matched with that of the inner wall of the bearing groove, and the position of the embedded shell corresponds to that of the bearing cover.

Preferably, the side of the embedded shell is provided with a convex ring, the surface of the embedded shell is movably sleeved with a first rubber pad, and the embedded shell is in lap joint with the heat-conducting plate through the first rubber pad.

Preferably, the inner wall of the end cover is welded with a positioning ring, and the position of the positioning ring corresponds to the position of the outer edge of the heat conducting plate.

Preferably, the diameter of the outer edge of the second rubber pad is matched with the diameter of the inner wall of the end cover, the inner wall of the end cover is provided with threads, and the end cover is in threaded connection with the fixing piece through the threads.

Preferably, a through groove is formed in the side face of the end cover, a radiating block is inserted into the inner wall of the through groove, and the radiating block is welded on the surface of the heat conducting plate.

Preferably, the heat dissipation block and the heat conduction plate are made of aluminum oxide, and silicone grease is smeared on one side, far away from the heat dissipation block, of the heat conduction plate.

Preferably, a sealing groove is formed in one side, close to the mounting plate, of the machine shell, a limiting strip is arranged on the inner wall of the sealing groove, and the position of the limiting strip corresponds to the position of the clamping strip.

Compared with the prior art, the utility model has the following beneficial effects:

1. this high leakproofness motor end cover die casting, through setting up radiating block and heat-conducting plate, it is outside to utilize logical groove to extend the radiating block to the end cover, the rethread increases the quantity of radiating block, and then make the heat radiating area of heat-conducting plate strengthen, conveniently give off and go out the heat that the motor is inside to produce, because the radiating block distributes around the output shaft, when the output shaft is rotatory, utilize the wind pressure that the output shaft rotation energy produced, can further accelerate the radiating efficiency of radiating block, reach the purpose that the end cover motor possesses the radiating effect.

2. This high leakproofness motor end cover die casting, through setting up bearing cap and sealing ring respectively, when the installation motor end cover, at first can utilize the card strip of sealing ring side to connect the end cover in the one end of casing, then install the bearing again, make the bearing when sealing the gap between output shaft and the end cover, can carry out slight adjustment, increased the degree of agreeing with after the bearing installation, and then reduce the degree of wear of bearing during operation, further increased the life of motor.

Drawings

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

FIG. 2 is a schematic side sectional view of the end cap of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a disassembled structure of the end cap of the present invention;

FIG. 5 is a schematic view of the structure of the clamping joint for mounting the end cap according to the present invention.

In the figure: 1. a housing; 2. an end cap; 3. mounting a plate; 4. a bearing cap; 5. a heat dissipating block; 6. a bearing groove; 7. an embedded shell; 8. a heat conducting plate; 9. a first rubber pad; 10. a seal ring; 11. clamping the strip; 12. a positioning ring; 13. a second rubber pad; 14. a fixing member; 15. a through groove; 16. a sealing groove; 17. and (5) a limiting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a high-sealing motor end cover die casting comprises a machine shell 1, an end cover 2 is fixedly mounted at one end of the machine shell 1, a bearing cover 4 is fixedly mounted at one side of the end cover 2, a mounting plate 3 is welded at the other side of the end cover 2, the size of the inner wall of the mounting plate 3 corresponds to that of the inner wall of the end cover 2, a bearing groove 6 is formed in the side surface of the end cover 2, a heat conduction plate 8 is arranged on the side surface of the inner wall of the end cover 2, a second rubber pad 13 is arranged at one side of the heat conduction plate 8, a fixing piece 14 is lapped on the heat conduction plate 8 through the second rubber pad 13, a sealing ring 10 is welded at one side of the mounting plate 3, which is far away from the end cover 2, and a clamping strip 11 is arranged at the side surface of the sealing ring 10.

Specifically, the inner wall of the end cover 2 is provided with an embedded shell 7, the size of the inner wall of the embedded shell 7 is matched with that of the inner wall of the bearing groove 6, and the position of the embedded shell 7 corresponds to that of the bearing cover 4.

In this embodiment, set up embedded shell 7 through the inner wall at end cover 2 and stabilize the bearing bottom, make the bearing cup joint can directly coincide with logical groove 15 inner wall when the output shaft surface, avoid the bearing to drop from the end cover inboard, conveniently right the output shaft, and then increased the efficiency of motor installation.

Specifically, the side of embedded shell 7 is provided with the bulge loop, and embedded shell 7's surface activity has cup jointed first rubber pad 9, and embedded shell 7 passes through first rubber pad 9 and heat-conducting plate 8 overlap joint.

In this embodiment, increase the leakproofness of heat-conducting plate 8 and embedded shell 7 overlap joint through setting up the bulge loop, can make things convenient for first rubber pad 9 to cup joint and stabilize at embedded shell 7 surface simultaneously, avoid first rubber pad 9 to appear the slope and lead to the condition appearance in heat-conducting plate 8 and embedded shell 7 junction gap to appear.

Specifically, the inner wall of the end cover 2 is welded with a positioning ring 12, and the position of the positioning ring 12 corresponds to the position of the outer edge of the heat conducting plate 8.

In this embodiment, the slip direction when utilizing holding ring 12 to cup joint heat-conducting plate 8 is spacing, makes the protruding ring department of heat-conducting plate 8 and embedded shell 7 that can be steady carry out the overlap joint, utilizes holding ring 12 and heat-conducting plate 8's outer edge department to constitute the plane simultaneously, makes things convenient for second rubber pad 13 to seal up the gap of heat-conducting plate 8.

Specifically, the diameter of the outer edge of the second rubber pad 13 is matched with the diameter of the inner wall of the end cover 2, the inner wall of the end cover 2 is provided with threads, and the end cover 2 is in threaded connection with the fixing piece 14 through the threads.

In this embodiment, by arranging the fixing member 14, the fixing member 14 is screwed with the inner wall of the end cover 2 to push the second rubber pad 13 to move, so that the second rubber pad 13 is tightly attached to the positioning ring 12 and the heat conducting plate 8, thereby achieving the sealing effect.

Specifically, the side of the end cover 2 is provided with a through groove 15, the inner wall of the through groove 15 is inserted with the radiating block 5, and the radiating block 5 is welded on the surface of the heat conducting plate 8.

In this embodiment, through setting up logical groove 15 and making the radiating block 5 can extend to 2 outsides of end cover, the rethread increases the quantity of radiating block 5, and then makes the heat radiating area of heat-conducting plate 8 strengthen, conveniently gives off the heat that the motor is inside to produce and goes out, because radiating block 5 distributes around the output shaft, when the output shaft is rotatory, utilizes the wind pressure that the rotatory ability of output shaft produced, can further accelerate the radiating efficiency of radiating block 5.

Specifically, the heat dissipation block 5 and the heat conduction plate 8 are made of aluminum oxide, and silicone grease is coated on one side of the heat conduction plate 8 far away from the heat dissipation block 5.

In this embodiment, alumina is an insulating material that has higher heat conductivity, compares in the better material of other heat conductivities, and the low price of alumina, and the stable performance, the heat dissipation effect that plays that can be fine, and silicone grease is paintd to the rethread, has further increased the heat absorption performance of heat-conducting plate 8, makes end cover 2 have good radiating effect.

Specifically, a sealing groove 16 is formed in one side of the casing 1 close to the mounting plate 3, a limiting strip 17 is arranged on the inner wall of the sealing groove 16, and the position of the limiting strip 17 corresponds to the position of the clamping strip 11.

In this embodiment, casing 1 and mounting panel 3 when the installation, can be earlier through spacing 17 and the crisscross joint of card strip 11, carry out preliminary fixed, then install the bearing again, make the bearing can carry out slight adjustment, increased the degree of agreeing with after the bearing installation, later reuse bolt carries out final fixed with mounting panel 3 and casing 1, under the circumstances that guarantees that some parts can increase life, has ensured end cover 2's leakproofness simultaneously.

The working principle is that when the end cover 2 is installed on the machine shell 1, the first rubber pad 9 is firstly sleeved on the surface of the embedded shell 7, the periphery of the first rubber pad 9 is pressed forcefully to ensure that the first rubber pad 9 is tightly attached to the convex ring on the surface of the embedded shell 7, then the radiating block 5 is aligned to the through groove 15, the heat conducting plate 8 is moved to drive the radiating block 5 to be inserted into the inner wall of the through groove 15, at the moment, the second rubber pad 13 is placed at the outer edge of the positioning ring 12 and the heat conducting plate 8, the fixing piece 14 is installed and screwed, so that the second rubber pad 13 seals the gap between the positioning ring 12 and the heat conducting plate 8, then the clamping strip 11 on the side surface of the end cover 2 is inserted into the sealing groove 16 at one end of the machine shell 1, the end base 2 is rotated to clamp the clamping strip 11 and the limiting strip 17 in a staggered mode, and further the end cover 2 is preliminarily fixed, at the moment, the bearing and the filler can be installed, so that the gap between the end cover 2 and the output shaft can be sealed, and then the bearing cover 4 is installed to be stable, after the bearing is installed, the end cover 2 is fixedly installed on the machine shell 1 by using bolts.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high leakproofness motor end cover die casting, includes casing (1), its characterized in that: the one end fixed mounting of casing (1) has end cover (2), one side fixed mounting of end cover (2) has bearing cap (4), the opposite side welding of end cover (2) has mounting panel (3), and the size of mounting panel (3) inner wall is corresponding with the size of end cover (2) inner wall, bearing groove (6) have been seted up to the side of end cover (2), the side of end cover (2) inner wall is provided with heat-conducting plate (8), one side of heat-conducting plate (8) is provided with second rubber pad (13), heat-conducting plate (8) have mounting (14) through second rubber pad (13) overlap joint, one side welding that end cover (2) were kept away from in mounting panel (3) has sealing ring (10), the side of sealing ring (10) is provided with card strip (11).

2. The die casting for the high-tightness motor end cover according to claim 1, wherein: the inner wall of the end cover (2) is provided with an embedded shell (7), the size of the inner wall of the embedded shell (7) is matched with that of the inner wall of the bearing groove (6), and the position of the embedded shell (7) corresponds to that of the bearing cover (4).

3. The die casting for the high-tightness motor end cover according to claim 2, wherein: the side of embedded shell (7) is provided with the bulge loop, and the surface activity of embedded shell (7) has cup jointed first rubber pad (9), embedded shell (7) are through first rubber pad (9) and heat-conducting plate (8) overlap joint.

4. The die casting for the high-tightness motor end cover according to claim 1, wherein: the inner wall welding of end cover (2) has holding ring (12), the position of holding ring (12) corresponds with the position of heat-conducting plate (8) outer edge.

5. The die casting for the high-tightness motor end cover according to claim 1, wherein: the diameter of the outer edge of the second rubber pad (13) is matched with the diameter of the inner wall of the end cover (2), the inner wall of the end cover (2) is provided with threads, and the end cover (2) is in threaded connection with the fixing piece (14) through the threads.

6. The die casting for the high-tightness motor end cover according to claim 1, wherein: a through groove (15) is formed in the side face of the end cover (2), a radiating block (5) is inserted into the inner wall of the through groove (15), and the radiating block (5) is welded on the surface of the heat conducting plate (8).

7. The die casting for the high-tightness motor end cover according to claim 6, wherein: the radiating block (5) and the heat conducting plate (8) are made of aluminum oxide, and silicone grease is coated on one side, far away from the radiating block (5), of the heat conducting plate (8).

8. The die casting for the high-tightness motor end cover according to claim 1, wherein: one side of the casing (1) close to the mounting plate (3) is provided with a sealing groove (16), the inner wall of the sealing groove (16) is provided with a limiting strip (17), and the position of the limiting strip (17) corresponds to the position of the clamping strip (11).