Motor casing end cover

Abstract

The utility model provides a motor casing end cover which comprises an end cover body, a first motor shaft hole is arranged in the middle of the end cover body, an oil bin cover plate is further arranged, a second motor shaft hole is arranged in the oil bin cover plate, the first motor shaft hole and the second motor shaft hole are coaxially arranged, the end cover body and the oil bin cover plate form an oil cavity, and the oil cavity is communicated with the first motor shaft hole and the second motor shaft hole. An oil inlet hole and an oil outlet hole are further formed in the bottom of the end cover body, the oil bin cover plate is arranged, an oil cavity is formed, and therefore the motor output shaft is lubricated in a lubricating oil mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor, in particular to a motor shell end cover. BACKGROUND

[0002] At present, the Chinese patent with the announcement number CN210724389U discloses a motor shell front end cover unit structure, which comprises a cover body, a plurality of convex edges are formed on the side wall of the cover body, a mounting hole is arranged at the center of the cover body, a first through hole and a second through hole are arranged on the convex edge, a third through hole is arranged on the cover body, and a mounting bearing is arranged in the mounting hole.

[0003] The above-mentioned patent still has defects, the above-mentioned patent solves the friction problem between the motor shaft and the motor shell end cover through the mounting bearing, in some occasions with high sealing requirements, the use of the bearing cannot guarantee the sealing between the motor shaft and the motor shell, and in some high-temperature occasions, the above-mentioned end cover cannot guarantee the heat dissipation capacity of the motor shell and the motor shaft. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a motor shell end cover which has the advantages of high sealing and high heat dissipation.

[0005] In order to solve the above-mentioned technical problems, the technical scheme of the utility model is as follows: a motor shell end cover, which comprises an end cover body, a motor shaft hole one is formed in the middle of the end cover body, and an oil storage cover plate is further arranged, a motor shaft hole two is formed in the oil storage cover plate, the motor shaft hole one and the motor shaft hole two are coaxially arranged, an oil cavity is formed between the end cover body and the oil storage cover plate, the oil cavity is communicated with the motor shaft hole one and the motor shaft hole two, an oil inlet hole and an oil outlet hole are further arranged at the bottom of the end cover body, and a skeleton oil seal is further arranged in the motor shaft hole one and the motor shaft hole two.

[0006] Through the above technical means, the oil storage cover plate is arranged and the oil cavity is formed, so that the motor output shaft is lubricated in the mode of lubricating oil, the skeleton oil seal is arranged to prevent the leakage of lubricating oil and increase the sealing between the motor shaft and the motor shell, so that the motor is suitable for occasions with high sealing performance, the oil inlet hole and the oil outlet hole are formed, so that the lubricating oil can circulate, and the shell and the motor shaft are cooled through the flow of lubricating oil when cooling is needed.

[0007] Preferably, a mounting column one is further arranged outside the end cover body, a threaded hole is formed in the mounting column one, a countersunk hole is formed outside the oil storage cover plate, a screw is arranged in the countersunk hole, and a sealing ring one is arranged between the mounting column one and the oil storage cover plate.

[0008] Through the above technical means, the sealing performance of the mounting column one and the oil storage cover plate is increased through the arrangement of the sealing ring one, so that the lubricating oil cannot leak through the threaded hole and the countersunk head.

[0009] Preferably, the oil cavity bottom is provided with an oil pipe I, the oil pipe I is communicated with the oil outlet hole, the side end of the motor shaft hole II is provided with an oil outlet slot, the motor shaft hole I is provided with an oil inlet hole, and the oil inlet hole is communicated with the oil inlet hole.

[0010] Through the technical means, the oil flows into the motor shaft hole I through the oil outlet slot and the oil inlet hole, and the lubrication and cooling of the motor output shaft are completed.

[0011] Preferably, the end cover body is provided with an oil pipe II and an oil groove, the oil groove is used for installing an oil filter screen, the oil inlet hole is arranged in the oil pipe II, the oil inlet hole is communicated with one side of the oil groove, the oil inlet hole is communicated with the other side of the oil groove, and the outer side of the oil groove is provided with a rubber ring groove.

[0012] Through the technical means, the oil filter screen is installed in the oil groove, the oil sludge generated by friction is filtered, the sealing ring is installed in the sealing ring groove, and the sealing property of the oil groove is improved.

[0013] Preferably, the oil tank cover plate is further provided with a sealing groove I, the sealing groove I is provided with a sealing ring II, and the sealing ring II abuts against the outer end face of the end cover body.

[0014] Through the technical means, the sealing ring II is arranged, the sealing property between the oil tank cover plate and the end cover body is improved, and the lubricating oil leakage is prevented.

[0015] Preferably, the end cover body is further provided with a plurality of rib plates, and the rib plates are provided with mounting columns II.

[0016] Through the technical means, the structural strength of the end cover body is improved through the rib plates.

[0017] Preferably, the skeleton oil seal comprises an oil seal body, an inner skeleton and a locking spring, the inner skeleton is arranged in the oil seal body, the oil seal body is provided with a convex column, and the locking spring is arranged outside the convex column.

[0018] Through the technical means, the structural strength of the oil seal body is improved through the inner skeleton, the elastic deformation threshold of the oil seal body is reduced, and the sealing property between the oil seal body and the motor output shaft is improved through the locking spring. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Structure diagram of the embodiment Figure 1 ;

[0020] Figure 2 Structure diagram of the embodiment Figure 2 ;

[0021] Figure 3 Structure diagram of the embodimentFigure 3

[0022] Figure 4 a front view of an embodiment;

[0023] Figure 5 is Figure 4 a sectional view along A-A;

[0024] Figure 6 is Figure 4 a sectional view along B-B;

[0025] Figure 7 is a schematic view of a skeleton oil seal.

[0026] Reference signs: 1, end cover body; 2, motor shaft hole one; 3, oil storage cover plate; 4, motor shaft hole two; 5, oil cavity; 6, oil inlet hole; 7, oil outlet hole; 8, skeleton oil seal; 9, mounting column one; 10, threaded hole; 11, counterbore hole; 12, sealing ring one; 13, oil pipe one; 14, oil outlet slot; 15, oil inlet hole; 16, oil pipe two; 17, oil groove; 18, rubber ring groove; 19, sealing groove one; 20, sealing ring two; 21, rib plate; 22, oil seal body; 23, inner skeleton; 24, locking spring; 25, mounting column two; 26, mounting column three; 27, protruding column. DETAILED DESCRIPTION

[0027] The specific embodiments of the utility model are further described in detail below in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.

[0028] A motor shell end cover, comprising an end cover body 1, a motor shaft hole one 2 is formed in the middle of the end cover body 1, and an oil storage cover plate 3 is also provided, a motor shaft hole two 4 is formed in the oil storage cover plate 3, the motor shaft hole one 2 and the motor shaft hole two 4 are coaxially arranged, the end cover body 1 and the oil storage cover plate 3 form an oil cavity 5, the oil cavity 5 is communicated with the motor shaft hole one 2 and the motor shaft hole two 4, the end cover body 1 bottom is also provided with an oil inlet hole 6 and an oil outlet hole 7, a skeleton oil seal 8 is also arranged in the motor shaft hole one 2 and the motor shaft hole two 4, by setting the oil storage cover plate 3 and forming the oil cavity 5, the motor output shaft is lubricated by the way of lubricating oil, by setting the skeleton oil seal 8, the sealing between the motor shaft and the motor shell is increased while preventing the lubricating oil from leaking, so that the motor is suitable for high sealing occasions, by setting the oil inlet hole 6 and the oil outlet hole 7, the lubricating oil can circulate, so that the shell and the motor shaft are cooled by the flow of lubricating oil when cooling is needed.

[0029] The outer side of the end cover body 1 is further provided with a mounting column one 9, a threaded hole 10 is formed in the mounting column one 9, a counterbore hole 11 is formed in the outer side of the oil tank cover plate 3, a screw is arranged in the counterbore hole 11, the screw is screwed into the threaded hole 10 to fix the end cover body 1 and the oil tank cover plate 3, the oil tank cover plate 3 is further provided with a mounting column three 26 on the side opposite to the counterbore hole 11, a sealing ring one 12 is arranged between the mounting column one 9 and the mounting column three 26 to prevent lubricating oil from leaking through the threaded hole 10 and the counterbore hole.

[0030] An oil pipe one 13 is arranged at the bottom of the oil cavity 5, the oil pipe one 13 is communicated with the oil outlet hole 7, an oil outlet slot 14 is arranged at the side end of the motor shaft hole two 4, an oil inlet hole 15 is formed in the motor shaft hole one 2, the oil inlet hole 15 is communicated with the oil inlet hole 6, so that the lubricating oil flows into the motor shaft hole one 2 to complete the lubrication and cooling of the motor output shaft.

[0031] An oil pipe two 16 and an oil groove 17 are arranged in the end cover body 1, the oil groove 17 is used for mounting an oil filter screen to filter the oil sludge generated by friction, the oil inlet hole 6 is arranged in the oil pipe two 16, the oil inlet hole 6 is communicated with one side of the oil groove 17, the oil inlet hole 15 is communicated with the other side of the oil groove 17, a rubber ring groove 18 is arranged on the outer side of the oil groove 17 to increase the sealing property of the oil groove 17.

[0032] A sealing groove one 19 is further formed in the oil tank cover plate 3, a sealing ring two 20 is arranged in the sealing groove one 19, the sealing ring two 20 abuts against the outer end face of the end cover body 1 to increase the sealing property between the oil tank cover plate 3 and the end cover body 1 and prevent the lubricating oil from leaking, a plurality of rib plates 21 are further arranged in the end cover body 1, a mounting column two 25 is arranged on the rib plate 21, and the mounting column two 25 is used for mounting the end cover body 1 on the motor shell.

[0033] The skeleton oil seal 8 comprises an oil seal body 22, an inner skeleton 23 and a locking spring 24, the inner skeleton 23 is arranged inside the oil seal body 22, the inner skeleton 23 is arranged to increase the structural strength of the oil seal body 22 and reduce the elastic deformation threshold of the oil seal body 22, a convex column 27 is arranged in the oil seal body 22, the locking spring 24 is arranged on the outer side of the convex column 27, and the locking spring 24 is arranged to increase the sealing property between the oil seal body 22 and the motor output shaft.

[0034] Of course, the above is only a typical example of the present application, in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A motor housing end cover, comprising an end cover body (1) with a motor shaft hole (2) in the middle, characterized in that: Also be provided with oil tank cover plate (3), the motor shaft hole two (4) is set up in the oil tank cover plate (3), the motor shaft hole one (2) is coaxial with the motor shaft hole two (4), the end cover body (1) and oil tank cover plate (3) form oil cavity (5), the oil cavity (5) is communicated with the motor shaft hole one (2), the motor shaft hole two (4), the end cover body (1) bottom is also provided with oil inlet hole (6) and oil outlet hole (7), the motor shaft hole one (2) and the motor shaft hole two (4) are also provided with skeleton oil seal (8) in.

2. A motor housing end cap as claimed in claim 1, characterised in that: The outside of the end cover body (1) is also provided with a mounting column one (9), a threaded hole (10) is formed in the mounting column one (9), a countersunk hole (11) is formed in the outside of the oil tank cover plate (3), a screw is arranged in the countersunk hole (11), and a sealing ring one (12) is arranged between the mounting column one (9) and the oil tank cover plate (3).

3. The end cap of claim 1, wherein: The oil cavity (5) is provided with an oil pipe one (13) at the bottom, the oil pipe one (13) is communicated with the oil outlet hole (7), the side end of the motor shaft hole two (4) is provided with an oil outlet slot (14), and the motor shaft hole one (2) is provided with an oil inlet hole (15).

4. A motor housing end cap as claimed in claim 3, characterised in that: The end cover body (1) is provided with an oil pipe two (16) and an oil groove (17), the oil groove (17) is used for mounting an oil filter screen, the oil inlet hole (6) is arranged in the oil pipe two (16), the oil inlet hole (6) is communicated with one side of the oil groove (17), the oil inlet hole (15) is communicated with the other side of the oil groove (17), and the oil groove (17) is provided with a rubber ring groove (18) on the outside.

5. The end cap of claim 1, wherein: The oil tank cover plate (3) is also provided with a sealing groove one (19), the sealing groove one (19) is provided with a sealing ring two (20), and the sealing ring two (20) abuts against the outer end face of the end cover body (1).

6. The end cap of claim 1, wherein: The end cover body (1) is also provided with a plurality of rib plates (21), and the rib plates (21) are provided with mounting columns two (25).

7. The end cap of claim 1, wherein: The skeleton oil seal (8) comprises an oil seal body (22), an inner skeleton (23) and a locking spring (24), the inner skeleton (23) is arranged inside the oil seal body (22), the oil seal body (22) is provided with a convex column (27) inside, and the locking spring (24) is arranged outside the convex column (27).

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