High-bearing-capacity motor end cover

Abstract

The utility model relates to the field of motors, in particular to a high-bearing-capacity motor end cover which comprises a cover body, a guide sleeve and reinforcing ribs, a containing groove is coaxially formed in one side of the cover body, a mounting opening is coaxially formed in the groove bottom of the containing groove, a motor shaft extends out of the mounting opening, the guide sleeve is arranged on the periphery of the mounting opening, and the reinforcing ribs are arranged on the guide sleeve. The guide sleeve is coaxially and fixedly connected to the groove bottom of the containing groove, the guide sleeve is used for fixing a bearing, one end of the reinforcing rib is fixedly connected to the outer wall of the guide sleeve, and the reinforcing rib is fixedly connected to the groove bottom of the containing groove. The reinforcing ribs improve the connection strength of the cover body and the guide sleeve, so that the cover body and the guide sleeve are not easy to expand with heat and contract with cold, and the stability of the motor is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electric machines, in particular to a high-load electric machine end cover. BACKGROUND

[0002] The electric machine end cover is an important part of the electric machine, that is, the cover of the electric machine shell, which is usually installed at both ends of the electric machine to fix and support the electric machine shaft.

[0003] The electric machine end cover is usually made of metal or plastic, which has the characteristics of thermal expansion and contraction. The electric machine generates heat during operation, causing the temperature of the electric machine end cover to rise. When the electric machine stops or the ambient temperature changes, the temperature of the electric machine end cover will drop. This temperature change will cause the expansion or contraction of the material of the electric machine end cover.

[0004] The electric machine end cover is connected to the electric machine shaft through a bearing. When the electric machine end cover expands and contracts, the fit clearance between the bearing and the electric machine shaft may change due to thermal expansion and contraction, which may affect the stability of the electric machine, causing increased vibration and noise. CONTENT OF THE INVENTION

[0005] In order to improve the stability of the electric machine, the present application provides a high-load electric machine end cover.

[0006] The high-load electric machine end cover provided by the present application adopts the following technical solution:

[0007] A high-load electric machine end cover, comprising a cover body, a guide sleeve and a reinforcing rib, one side of the cover body is coaxially provided with a receiving groove, the groove bottom of the receiving groove is coaxially provided with a mounting port, the mounting port is used for the electric machine shaft to extend out, the guide sleeve is arranged on the outer periphery of the mounting port, the guide sleeve is fixedly connected to the groove bottom of the receiving groove coaxially, the guide sleeve is used for fixing the bearing, one end of the reinforcing rib is fixedly connected to the outer wall of the guide sleeve, and the reinforcing rib is fixedly connected to the groove bottom of the receiving groove.

[0008] By adopting the above technical solution, the reinforcing rib improves the connection strength of the cover body and the guide sleeve, so that the cover body and the guide sleeve are not prone to thermal expansion and contraction, and the stability of the electric machine is improved.

[0009] Preferably, a plurality of reinforcing ribs are provided, and the plurality of reinforcing ribs are uniformly and spacedly arranged around the axis of the guide sleeve.

[0010] By adopting the above technical solution, the plurality of reinforcing ribs are uniformly stressed, thermal expansion and contraction are reduced, and the stability of the electric machine is improved.

[0011] Preferably, a reinforcing ring is further included, the reinforcing ring is arranged on the outer periphery of the guide sleeve, the reinforcing ring is fixedly connected to the groove bottom of the receiving groove coaxially, and the reinforcing ring is fixedly connected to the plurality of reinforcing ribs.

[0012] By adopting the technical scheme, the reinforcing ring and the reinforcing rib are connected, the structural strength is further improved, the probability of being affected by thermal expansion and cold contraction is reduced, and the stability of the motor is improved.

[0013] Preferably, the end of the cover body away from the accommodating groove is provided with a placing groove, a connecting groove is coaxially arranged at the bottom of the placing groove, a connecting port is coaxially arranged at the bottom of the connecting groove, and the connecting port is communicated with the accommodating groove.

[0014] By adopting the technical scheme, the valve can be conveniently installed according to the user's demand, and the user can conveniently use it.

[0015] Preferably, the placing groove forms a protrusion in the accommodating groove, and the two ends of the protrusion abut against the outer wall of the guide sleeve and the inner wall of the reinforcing ring, respectively.

[0016] By adopting the technical scheme, the protrusion improves the structural strength of the motor end cover as a whole, and improves the stability of the motor.

[0017] Preferably, the installation ring is fixedly connected to the end of the cover body away from the accommodating groove, the installation ring is arranged at the outer periphery of the installation port, the installation ring is coaxially arranged with the installation port, and the installation ring is oppositely arranged with the reinforcing ring.

[0018] By adopting the technical scheme, the installation ring is oppositely arranged with the reinforcing ring, the connecting strength of the reinforcing ring and the cover body is improved, and the stability of the motor is improved.

[0019] Preferably, the heat dissipation fin is fixedly connected to the end of the cover body away from the accommodating groove, and the heat dissipation fin is arranged at the outer periphery of the installation ring.

[0020] By adopting the technical scheme, heat dissipation is facilitated, thermal expansion and cold contraction are reduced, and the stability of the motor is improved.

[0021] Preferably, the fixing block is fixedly connected to the outer wall of the guide sleeve and the reinforcing rib.

[0022] By adopting the technical scheme, the fixing block improves the contact area of the guide sleeve and the cover body, and improves the stability of the motor.

[0023] Preferably, the thickness of the reinforcing rib decreases away from the guide sleeve.

[0024] By adopting the technical scheme, material waste is reduced, and production is facilitated.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] 1. The reinforcing rib improves the connecting strength of the cover body and the guide sleeve, so that the cover body and the guide sleeve are not prone to thermal expansion and cold contraction, and the stability of the motor is improved.

[0027] 2. The reinforcing ring is connected with the reinforcing rib, further improves the structural strength, reduces the probability of being affected by thermal expansion and cold contraction, and improves the stability of the motor.

[0028] 3. The protrusion improves the overall structural strength of the motor end cover and improves the stability of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a schematic diagram of the overall structure of a high-load motor end cover.

[0030] Figure 2 is a schematic diagram of the overall structure of a high-load motor end cover, mainly used to show the guide sleeve, reinforcing rib, fixing block and reinforcing ring.

[0031] Figure 3 is a schematic diagram of the internal structure of a high-load motor end cover after being cut open.

[0032] BRIEF DESCRIPTION OF DRAWINGS: 1, cover body; 11, containing groove; 111, mounting port; 12, fixing ring; 121, fixing port; 13, placing groove; 131, connecting groove; 132, connecting port; 133, protrusion; 2, guide sleeve; 3, reinforcing rib; 4, fixing block; 5, reinforcing ring; 6, mounting ring; 7, cooling fin; 8, connecting ring. DETAILED DESCRIPTION

[0033] The following will be combined with the Figures 1-3 The application is further described in detail.

[0034] The application discloses a high-load motor end cover. Referring to Figure 1 and Figure 2 , the high-load motor end cover comprises a cover body 1, a guide sleeve 2, a reinforcing rib 3, a fixing block 4, a reinforcing ring 5, a mounting ring 6, a cooling fin 7 and a connecting ring 8.

[0035] One side of the cover body 1 is coaxially provided with a containing groove 11, the diameter of the containing groove 11 increases away from the groove bottom of the containing groove 11, the edge of the cover body 1 extends outward and is folded to form a fixing ring 12, the fixing ring 12 is parallel to the groove bottom of the containing groove 11, the fixing ring 12 is provided with fixing ports 121, the axis of the fixing ports 121 is perpendicular to the fixing ring 12, the fixing ports 121 penetrate the fixing ring 12 along the axis, the fixing ports 121 are twelve, the twelve fixing ports 121 are uniformly and spacedly arranged around the axis of the fixing ring 12, and the fixing ports 121 are used for the bolts to pass through.

[0036] Referring to Figure 2The bottom of the accommodating groove 11 is coaxially provided with a mounting port 111 for the motor shaft to extend out, the guide sleeve 2 is arranged on the outer periphery of the mounting port 111, the guide sleeve 2 is coaxially fixedly connected to the bottom of the accommodating groove 11, and the guide sleeve 2 is used for fixing a bearing, and the bottom of the accommodating groove 11 is used for abutting the bearing.

[0037] One end of the reinforcing rib 3 is fixedly connected to the outer wall of the guide sleeve 2, the reinforcing rib 3 is fixedly connected to the bottom of the accommodating groove 11, the length direction of the reinforcing rib 3 is along the radial direction of the accommodating groove 11, the thickness of the reinforcing rib 3 decreases away from the guide sleeve 2, the reinforcing rib 3 is provided with a plurality of reinforcing ribs 3, the plurality of reinforcing ribs 3 are uniformly and spacedly arranged around the axis of the guide sleeve 2, in the application, the reinforcing rib 3 is provided with eight reinforcing ribs 3, and in other embodiments, the reinforcing rib 3 can also be provided with six reinforcing ribs 3, ten reinforcing ribs 3 or the like. The fixed block 4 is fixedly connected to the outer wall of the guide sleeve 2, the lower end of the fixed block 4 is fixedly connected to the reinforcing rib 3 and the bottom of the accommodating groove 11, in the embodiment, the fixed block 4 is provided with four fixed blocks 4, and the four fixed blocks 4 are uniformly and spacedly arranged around the axis of the guide sleeve 2. The reinforcing ring 5 is arranged on the outer periphery of the guide sleeve 2, the reinforcing ring 5 is coaxially fixedly connected to the bottom of the accommodating groove 11, and the reinforcing ring 5 is fixedly connected to the plurality of reinforcing ribs 3.

[0038] Referring to Figure 3 The end, away from the accommodating groove 11, of the cover body 1 is provided with a placing groove 13, the placing groove 13 is arranged on the outer periphery of the guide sleeve 2, the bottom of the placing groove 13 is coaxially provided with a connecting groove 131, the bottom of the connecting groove 131 is coaxially provided with a connecting port 132, the connecting port 132 is communicated with the accommodating groove 11, the placing groove 13 forms a protrusion 133 in the accommodating groove 11, and the two ends of the protrusion 133 abut against the outer wall of the guide sleeve 2 and the inner wall of the reinforcing ring 5 respectively.

[0039] Referring to Figure 1 and Figure 3 The mounting ring 6 is fixedly connected to the end, away from the accommodating groove 11, of the cover body 1, the mounting ring 6 is arranged on the outer periphery of the mounting port 111 and the placing groove 13, the mounting ring 6 is coaxially arranged with the mounting port 111, and the mounting ring 6 is oppositely arranged with the reinforcing ring 5. The heat dissipation fin 7 is fixedly connected to the end, away from the accommodating groove 11, of the cover body 1, the heat dissipation fin 7 is arranged on the outer periphery of the mounting ring 6, one end of the heat dissipation fin 7 is fixedly connected to the outer wall of the mounting ring 6, the other end of the heat dissipation fin 7 is fixedly connected to the fixed ring 12, and the heat dissipation fin 7 is provided with a plurality of heat dissipation fins 7, and the plurality of heat dissipation fins 7 are spacedly arranged around the axis of the mounting ring 6.

[0040] Referring to Figure 3 The connecting ring 8 is fixedly connected to the end, away from the accommodating groove 11, of the cover body 1, the connecting ring 8 is arranged on the inner periphery of the mounting ring 6, the connecting ring 8 is arranged on the outer periphery of the mounting port 111, the connecting ring 8 is coaxially arranged with the mounting port 111, the connecting ring 8 is oppositely arranged with the guide sleeve 2, and the outer diameter of the connecting ring 8 increases as approaching the end face of the cover body 1.

[0041] Referring to Figure 1and Figure 2 The cover body 1, the guide sleeve 2, the reinforcing rib 3, the fixing block 4, the reinforcing ring 5, the mounting ring 6, the cooling fin 7 and the connecting ring 8 are integrally formed by injection molding to form the high-load motor end cover.

[0042] The implementation principle of the high-load motor end cover is that the cover body 1, the guide sleeve 2, the reinforcing rib 3, the fixing block 4, the reinforcing ring 5, the mounting ring 6, the cooling fin 7 and the connecting ring 8 are integrally formed by injection molding, the guide sleeve 2 is used for connecting the bearing, the fixing block 4, the reinforcing rib 3, the reinforcing ring 5, the mounting ring 6 and the connecting ring 8 all improve the connection strength of the guide sleeve 2 and the cover body 1, the cooling fin 7 improves the heat dissipation efficiency of the cover body 1, so that the guide sleeve 2 is not easy to deform due to thermal expansion and contraction, and the stability of the motor is improved.

[0043] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application, so: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A high load bearing motor end shield characterized by: The utility model provides a cover (1), guide sleeve (2) and reinforcing rib (3), one side of cover (1) is equipped with accommodating groove (11) coaxially, the bottom of accommodating groove (11) is equipped with installation port (111) coaxially, installation port (111) is used for the motor shaft to stretch out, guide sleeve (2) is located the outer periphery of installation port (111), guide sleeve (2) is fixedly connected to the bottom of accommodating groove (11) coaxially, guide sleeve (2) is used for fixed bearing, one end of reinforcing rib (3) is fixedly connected to the outer wall of guide sleeve (2), reinforcing rib (3) is fixedly connected to the bottom of accommodating groove (11).

2. The high load bearing motor end shield of claim 1, wherein: The reinforcing rib (3) is provided with a plurality of reinforcing ribs (3) which are uniformly spaced around the axis of the guide sleeve (2).

3. The high load bearing motor end shield of claim 2, wherein: It also includes a reinforcing ring (5), the reinforcing ring (5) is provided on the outer periphery of the guide sleeve (2), the reinforcing ring (5) is fixedly connected to the bottom of the accommodating groove (11) coaxially, and the reinforcing ring (5) is fixedly connected to the plurality of reinforcing ribs (3).

4. The high load bearing motor end shield of claim 3, wherein: The end of the cover (1) away from the accommodating groove (11) is provided with a placing groove (13), the bottom of the placing groove (13) is provided with a connecting groove (131) coaxially, the bottom of the connecting groove (131) is provided with a connecting port (132) coaxially, and the connecting port (132) is communicated with the accommodating groove (11).

5. The high load bearing motor end shield of claim 4, wherein: The placing groove (13) forms a protrusion (133) in the accommodating groove (11), and the two ends of the protrusion (133) abut against the outer wall of the guide sleeve (2) and the inner wall of the reinforcing ring (5) respectively.

6. The high load bearing motor end shield of claim 3, wherein: It also includes a mounting ring (6) fixedly connected to the end of the cover (1) away from the accommodating groove (11), the mounting ring (6) is provided on the outer periphery of the installation port (111), the mounting ring (6) is coaxially arranged with the installation port (111), and the mounting ring (6) is arranged opposite to the reinforcing ring (5).

7. The high load bearing motor end shield of claim 6, wherein: It also includes a heat sink (7) fixedly connected to the end of the cover (1) away from the accommodating groove (11), and the heat sink (7) is provided on the outer periphery of the mounting ring (6).

8. The high load bearing motor end shield of claim 1, wherein: It also includes a fixing block (4) fixedly connected to the outer wall of the guide sleeve (2), and the fixing block (4) is fixedly connected to the reinforcing rib (3).

9. The high load bearing motor end shield of claim 1, wherein: The thickness of the reinforcing rib (3) decreases away from the guide sleeve (2).

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