Motor rear end cover convenient for heat dissipation

Abstract

The utility model discloses a motor rear end cover convenient for heat dissipation, which comprises a cover body, a mounting hole arranged in the center of one side of the cover body, a plurality of groups of heat dissipation holes arranged on one side of the cover body, reinforcing ribs arranged on the inner wall of the cover body, a sealing mechanism arranged on one side of the cover body, and a fixing ring arranged on the inner wall of the cover body. A mounting groove is formed in one end of the fixing ring, a threaded rod is arranged on the inner wall of the cover body, a nut is arranged on the threaded rod, multiple sets of threads are arranged on the inner side of the fastening ring, multiple sets of anti-skid teeth are arranged on the outer side of the fastening ring, and multiple sets of threads are arranged on the outer side of the mounting pipe. According to the utility model, through the arrangement of the sealing mechanism, the fixing ring, the mounting groove, the threaded rod and the nut, the dustproof and moistureproof effects can be achieved when the motor is not used under the condition that the heat dissipation effect of the rear end cover is not influenced when the motor is used, and the reinforcing ribs and the rear end cover of the motor are designed in a split manner, so that the structure is simple and convenient. Whether the reinforcing ribs are installed or not can be selected according to actual requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of motor end covers, in particular to a rear motor end cover facilitating heat dissipation. Background Technique

[0002] With the continuous development of society, the electric motor is an important component in the operation of mechanical equipment in society. Among them, the rear motor end cover is an important protective cover plate for the rear end of the electric motor, playing a very important role in the electric motor.

[0003] The prior art has the following deficiencies: In the "rear motor end cover facilitating heat dissipation" with the application number 201921213464.5 in the prior art, "it includes a first shell, a second shell is arranged inside the first shell, a first through hole is arranged in the center of the second shell, and a plurality of heat dissipation holes are evenly distributed on the surface of the second shell. A plurality of first connecting rods are arranged between the first shell and the second shell, both ends of the first connecting rod are respectively fixedly connected to the first shell and the second shell, and a second connecting rod is arranged between the first connecting rods. A plurality of reinforcing ribs are evenly distributed inside the first shell, and the reinforcing ribs are all embedded in the first shell";

[0004] The above equipment further increases the heat dissipation effect while taking into account the support effect of the rear end cover by setting heat dissipation holes, first connecting rods, second connecting rods, reinforcing ribs, etc., making its structure stable. However, when the motor is not in use, dust or moist water is likely to enter the motor interior through the heat dissipation holes of the rear end cover, which is likely to affect the service life of the motor over time. Moreover, the reinforcing ribs of the above equipment are usually integrally designed with the rear end cover and are relatively difficult to disassemble. For the rear motor end cover that meets the load-bearing support requirements, the setting of the reinforcing ribs not only fails to reflect the value but also increases the weight of the rear motor end cover, unable to meet the actual production requirements. Content of the Utility Model

[0005] The purpose of the utility model is to provide a rear motor end cover facilitating heat dissipation to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A rear motor end cover facilitating heat dissipation, including a cover body. An installation hole is opened at the center position on one side of the cover body. A plurality of groups of heat dissipation holes are opened on one side of the cover body. Reinforcing ribs are arranged on the inner wall of the cover body. A sealing mechanism is arranged on one side of the cover body. A fixing ring is arranged on the inner wall of the cover body. An installation groove is opened at one end of the fixing ring. A threaded rod is arranged on the inner wall of the cover body, and a nut is arranged on the threaded rod;

[0007] The sealing mechanism includes a mounting tube, a rotating ring, a fastening ring, a sealing block, a sealing gasket and a limiting block. A mounting tube is provided on one side of the cover body. The mounting tube is provided with a rotating ring and a fastening ring. The rotating ring is provided with a sealing block. A sealing gasket is provided on one side of the sealing block. A limiting block is provided at one end of the mounting tube.

[0008] As a preferred technical solution of the present invention, the heat dissipation holes are integrally distributed in four groups of sectors in a circular array, and the sealing block is integrally in a sector shape and is adapted to the size of one group of sector-distributed heat dissipation holes.

[0009] As a preferred technical solution of the present invention, the sealing gasket is fixedly installed on one side of the sealing block, and the specific material of the sealing gasket is soft silicone. Four groups of sealing blocks are fixedly installed on the rotating ring, and the four groups of sealing blocks are distributed in a circular array.

[0010] As a preferred technical solution of the present invention, the mounting tube is fixedly installed at the central position on one side of the cover body. The rotating ring is adapted to the mounting tube. The rotating ring is sleeved on the mounting tube, and the sealing gasket corresponds to the position of the cover body.

[0011] As a preferred technical solution of the present invention, a number of threads are provided on the inner side of the fastening ring, and a number of anti-slip teeth are provided on the outer side. A number of threads are provided on the outer side of the mounting tube. The fastening ring is adapted to the mounting tube. The fastening ring is sleeved and threadedly connected to the mounting tube. Two groups of limiting blocks are fixedly installed at one end of the mounting tube.

[0012] As a preferred technical solution of the present invention, the fixing ring is fixedly installed at the central position on the bottom inner wall of the cover body. The mounting groove is adapted to one end of the reinforcing rib. One end of the reinforcing rib is clamped on the mounting groove, and the other end of the reinforcing rib is attached to one side of the inner wall of the cover body.

[0013] As a preferred technical solution of the present invention, threaded rods are fixedly installed on the inner wall of the cover body and on the inner wall of the mounting groove. Connecting holes adapted to the two threaded rods are respectively provided at both ends of the reinforcing rib, and these holes are non-threaded holes. Both ends of the reinforcing rib are respectively sleeved on the two threaded rods and fixed by nuts. Four groups of reinforcing ribs and mounting grooves are respectively provided.

[0014] Compared with the prior art, the present invention provides a motor rear end cover that is convenient for heat dissipation, and has the following beneficial effects:

[0015] 1. The motor rear end cover that is convenient for heat dissipation installs the cover body at a suitable position on the motor through the sealing mechanism. When the motor is in use, the four sealing blocks are respectively fixed on one side of the four fan-shaped distributed heat dissipation holes. At this time, the sealing blocks do not block the heat dissipation holes, and the motor rear end cover can conveniently dissipate heat from the motor through the heat dissipation holes. When the motor is not in use, the four sealing blocks are respectively covered and fixed on the four fan-shaped distributed heat dissipation holes. At this time, the sealing blocks can seal the heat dissipation holes, preventing dust or moisture from entering the motor through the heat dissipation holes. This structure can achieve the effects of dust and moisture prevention when the motor is not in use without affecting the heat dissipation effect of the rear end cover when the motor is in use.

[0016] 2. The motor rear end cover that is convenient for heat dissipation installs the fixing ring, installation groove, threaded rod, and nut. The reinforcing rib can improve the load-bearing and supporting effect of the cover body, and the reinforcing rib is designed as a separate body from the cover body, which is convenient for disassembly and assembly. The reinforcing rib can be removed on the motor rear end cover that meets the load-bearing and supporting requirements. This structure designs the reinforcing rib as a separate body from the motor rear end cover, and whether to install the reinforcing rib can be selected according to actual needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the external structure of the cover body of the present utility model;

[0018] Figure 2 Schematic diagram of the external structure of the cover body after removing the rotating ring of the present utility model;

[0019] Figure 3 Schematic diagram of the rotating ring structure of the present utility model;

[0020] Figure 4 Schematic diagram of the internal structure of the cover body of the present utility model;

[0021] Figure 5 Schematic diagram of the cross-sectional structure of the cover body after removing the reinforcing rib of the present utility model;

[0022] Figure 6 Schematic diagram of the reinforcing rib structure of the present utility model.

[0023] In the figure: 1. Cover body; 2. Installation hole; 3. Heat dissipation hole; 4. Reinforcing rib; 5. Sealing mechanism; 501. Installation pipe; 502. Rotating ring; 503. Fastening ring; 504. Sealing block; 505. Sealing gasket; 506. Limiting block; 6. Fixing ring; 7. Installation groove; 8. Threaded rod; 9. Nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1-6 , in this implementation: A motor rear end cover facilitating heat dissipation includes a cover body 1. An installation hole 2 is provided at the center position on one side of the cover body 1, and the installation hole 2 can facilitate the connection between the cover body 1 and the motor. A number of groups of heat dissipation holes 3 are provided on one side of the cover body 1, and the heat dissipation holes 3 can facilitate the heat dissipation of the cover body 1. Reinforcing ribs 4 are provided on the inner wall of the cover body 1. A sealing mechanism 5 is provided on one side of the cover body 1. A fixing ring 6 is provided on the inner wall of the cover body 1. An installation groove 7 is provided at one end of the fixing ring 6, and the installation groove 7 can facilitate the connection between the reinforcing rib 4 and the fixing ring 6. A threaded rod 8 is provided on the inner wall of the cover body 1, and a nut 9 is provided on the threaded rod 8;

[0026] The sealing mechanism 5 includes an installation pipe 501, a rotating ring 502, a fastening ring 503, a sealing block 504, a sealing gasket 505 and a limiting block 506. An installation pipe 501 is provided on one side of the cover body 1. A rotating ring 502 and a fastening ring 503 are provided on the installation pipe 501, and the fastening ring 503 can limit and fix the sealing block 504. A sealing block 504 is provided on the rotating ring 502. A sealing gasket 505 is provided on one side of the sealing block 504. A limiting block 506 is provided at one end of the installation pipe 501.

[0027] In this embodiment, the heat dissipation holes 3 are integrally distributed in four fan-shaped arrays in a circular pattern. The sealing block 504 is integrally fan-shaped and is adapted to the size of one group of fan-shaped distributed heat dissipation holes 3;

[0028] Specifically, the sealing block 504 can seal the heat dissipation holes 3;

[0029] In this embodiment, the sealing gasket 505 is fixedly installed on one side of the sealing block 504, and the specific material of the sealing gasket 505 is soft silicone. Four sealing blocks 504 are fixedly installed on the rotating ring 502, and the four sealing blocks 504 are distributed in a circular pattern;

[0030] Specifically, the rotating ring 502 can facilitate the installation of the sealing block 504;

[0031] In this embodiment, the installation pipe 501 is fixedly installed at the center position on one side of the cover body 1. The rotating ring 502 is adapted to the installation pipe 501. The rotating ring 502 is sleeved on the installation pipe 501, and the sealing gasket 505 corresponds to the position of the cover body 1;

[0032] Specifically, the gasket 505 can improve the sealing effect of the sealing block 504;

[0033] In this embodiment, several groups of threads are provided on the inner side of the fastening ring 503 and several groups of anti-slip teeth are provided on the outer side. Several groups of threads are provided on the outer side of the mounting tube 501. The fastening ring 503 is adapted to the mounting tube 501. The fastening ring 503 is sleeved and threadedly connected to the mounting tube 501. Two limiting blocks 506 are fixedly installed at one end of the mounting tube 501;

[0034] Specifically, the limiting block 506 can prevent the fastening ring 503 from detaching from the mounting tube 501;

[0035] In this embodiment, the fixing ring 6 is fixedly installed at the center position of the bottom of the inner wall of the cover body 1. The installation groove 7 is adapted to one end of the reinforcing rib 4. One end of the reinforcing rib 4 is clamped on the installation groove 7 and the other end of the reinforcing rib 4 is attached to one side of the inner wall of the cover body 1;

[0036] Specifically, the fixing ring 6 can facilitate the installation of the reinforcing rib 4;

[0037] In this embodiment, threaded rods 8 are fixedly installed on the inner wall of the cover body 1 and on the inner wall of the installation groove 7. Connecting holes adapted to the two threaded rods 8 are respectively provided at both ends of the reinforcing rib 4 and these holes are non-threaded holes. Both ends of the reinforcing rib 4 are respectively sleeved on the two threaded rods 8 and fixed by nuts 9. Four groups of reinforcing ribs 4 and installation grooves 7 are respectively provided;

[0038] Specifically, the threaded rod 8 combined with the nut 9 can facilitate the fixing of the reinforcing rib 4.

[0039] The working principle and usage process of the present utility model: Install the cover body 1 at a suitable position on the motor. When the motor is in use, rotate the fastening ring 503 so that the fastening ring 503 moves towards the limiting block 506 and there is a certain distance between the fastening ring 503 and the rotating ring 502. Rotate the rotating ring 502 so that the four sealing blocks 504 are respectively located on one side of the four fan-shaped distribution heat dissipation holes 3. Rotate the fastening ring 503 so that the sealing block 504 is attached to one side of the cover body 1. The position of the sealing block 504 is fixed. At this time, the sealing block 504 does not block the heat dissipation holes 3. Through the heat dissipation holes 3, it is convenient for the rear end cover of the motor to dissipate heat from the motor. When the motor is not in use, rotate the rotating ring 502 so that the four sealing blocks 504 respectively cover the four fan-shaped distribution heat dissipation holes 3. The operation principle is the same as above. At this time, the sealing block 504 can achieve a sealing effect on the heat dissipation holes 3. The gasket 505 can make the sealing block 504 fit more closely to the cover body 1, thereby improving the sealing effect of the sealing block 504, and can prevent dust or humid moisture from entering the motor through the heat dissipation holes 3. This kind of structure can achieve the effects of dust prevention and moisture protection when the motor is not in use without affecting the heat dissipation effect of the rear end cover when the motor is in use;

[0040] During use, the reinforcing rib 4 can improve the load-bearing and supporting effect of the cover body 1. By removing the nut 9 and moving the reinforcing rib 4 outward so that the reinforcing rib 4 disengages from the corresponding two groups of threaded rods 8, the disassembly of the reinforcing rib 4 can be completed. Performing the above operations in reverse can complete the installation of the reinforcing rib 4. The reinforcing rib 4 and the cover body 1 are designed in a split manner, which is convenient for disassembly and assembly. Therefore, on the motor rear end cover that meets the load-bearing and supporting requirements, the reinforcing rib 4 can be removed. This structure separates the reinforcing rib 4 from the motor rear end cover, and whether to install the reinforcing rib 4 can be selected according to actual needs.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A motor rear end cover facilitating heat dissipation, comprising a cover body (1), wherein an installation hole (2) is formed at the center position of one side of the cover body (1), a plurality of groups of heat dissipation holes (3) are formed on one side of the cover body (1), and reinforcing ribs (4) are arranged on the inner wall of the cover body (1), characterized in that: One side of the cover body (1) is provided with a sealing mechanism (5). A fixing ring (6) is arranged on the inner wall of the cover body (1). An installation groove (7) is formed at one end of the fixing ring (6). A threaded rod (8) is arranged on the inner wall of the cover body (1), and a nut (9) is arranged on the threaded rod (8). The sealing mechanism (5) includes an installation pipe (501), a rotating ring (502), a fastening ring (503), a sealing block (504), a sealing gasket (505) and a limiting block (506). An installation pipe (501) is arranged on one side of the cover body (1). A rotating ring (502) and a fastening ring (503) are arranged on the installation pipe (501). A sealing block (504) is arranged on the rotating ring (502). A sealing gasket (505) is arranged on one side of the sealing block (504). A limiting block (506) is arranged at one end of the installation pipe (501).

2. The rear end cover of the motor facilitating heat dissipation according to claim 1, characterized in that: The heat dissipation holes (3) are distributed in four groups of fan shapes in a circular array as a whole. The sealing block (504) is in a fan shape as a whole and is adapted to the size of one group of fan-shaped distributed heat dissipation holes (3).

3. The motor rear end cover facilitating heat dissipation according to claim 1, wherein: The sealing gasket (505) is fixedly installed on one side of the sealing block (504), and the specific material of the sealing gasket (505) is soft silicone. Four groups of sealing blocks (504) are fixedly installed on the rotating ring (502), and the four groups of sealing blocks (504) are distributed in a circular array.

4. The motor rear end cover facilitating heat dissipation according to claim 1, characterized in that: The installation pipe (501) is fixedly installed at the central position on one side of the cover body (1). The rotating ring (502) is adapted to the installation pipe (501). The rotating ring (502) is sleeved on the installation pipe (501), and the sealing gasket (505) corresponds to the position of the cover body (1).

5. The motor rear end cover for facilitating heat dissipation according to claim 1, wherein: A number of threads are formed on the inner side of the fastening ring (503), and a number of anti-slip teeth are formed on the outer side. A number of threads are formed on the outer side of the installation pipe (501). The fastening ring (503) is adapted to the installation pipe (501). The fastening ring (503) is sleeved and threadedly connected to the installation pipe (501). Two groups of limiting blocks (506) are fixedly installed at one end of the installation pipe (501).

6. The rear end cover of an electric machine facilitating heat dissipation according to claim 1, wherein: The fixing ring (6) is fixedly installed at the central position on the bottom of the inner wall of the cover body (1). The installation groove (7) is adapted to one end of the reinforcing rib (4). One end of the reinforcing rib (4) is clamped in the installation groove (7), and the other end of the reinforcing rib (4) is attached to one side of the inner wall of the cover body (1).

7. The rear end cover of an electric motor facilitating heat dissipation according to claim 1, characterized in that: Threaded rods (8) are fixedly installed on the inner wall of the cover body (1) and on the inner wall of the installation groove (7). Connection holes adapted to the two threaded rods (8) are formed at both ends of the reinforcing rib (4), and these holes are non-threaded holes. Both ends of the reinforcing rib (4) are sleeved on the two threaded rods (8) and fixed by nuts (9). Four groups of the reinforcing ribs (4) and the installation grooves (7) are respectively provided.

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