Stably connected motor shaft sleeve

Abstract

The utility model discloses a motor shaft sleeve stable in connection, which comprises a metal shaft sleeve and a mounting flange arranged outside the bottom end of the metal shaft sleeve, the metal shaft sleeve is fixedly connected with the mounting flange through welding, the metal shaft sleeve is flush with the outer wall of the lower end of the mounting flange, a lining pipe is arranged inside the metal shaft sleeve, and the metal shaft sleeve is fixedly connected with the mounting flange through welding. A uniform oil injection device is arranged in the rear end of the metal shaft sleeve, the novel uniform oil injection device is additionally arranged in the motor shaft sleeve, the top end of the uniform oil injection device is exposed out of the top end of the motor shaft sleeve, and when the motor shaft sleeve is installed and used, only the uniform oil injection device needs to be kept above a motor shaft. In this way, oil can be injected into the motor shaft through the uniform oil injection device, it is guaranteed that the motor shaft can be in a lubricating state all the time, the uniform oil injection device can uniformly spray lubricating oil on the motor shaft, and the situation that the local position of the motor shaft is not coated with the lubricating oil can be avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field related to motor shaft sleeves, and in particular relates to a motor shaft sleeve with stable connection. Background Art

[0002] The motor sleeve is a mechanical component used to fix the motor shaft and support axial force. It is generally installed at both ends of the motor shaft or between the motor bearings to support the motor shaft and reduce friction. The motor sleeve is made of general materials, such as brass, stainless steel, polyurethane, etc. Its design structure and size generally depend on the model and requirements of the motor. The motor sleeve plays a very important role when the motor is running. It can improve the transmission efficiency of the motor, reduce energy loss, and extend the service life of the motor.

[0003] However, the main body of the motor sleeve is composed of a cylindrical sleeve, which is used to be sleeved on the motor shaft. This ensures that the motor sleeve can protect the motor shaft. However, in order to ensure stable operation, the motor shaft needs to be lubricated regularly, and it is difficult to lubricate the internal area of ​​the motor sleeve, which will weaken the protective effect of the motor shaft. Utility Model Content

[0004] The purpose of the utility model is to provide a motor shaft sleeve with a stable connection to solve the problem proposed in the above background technology that the motor shaft needs to be lubricated regularly for stable operation, while it is difficult to lubricate the inner area of ​​the motor shaft sleeve, which weakens the protective effect of multiple motor shafts.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor shaft sleeve with stable connection, comprising a metal shaft sleeve and a mounting flange arranged outside the bottom end of the metal shaft sleeve, the metal shaft sleeve and the mounting flange are fixedly connected by welding, the metal shaft sleeve and the lower end outer wall of the mounting flange are flush, an inner liner tube is arranged inside the metal shaft sleeve, and a uniform oil injection device is arranged inside the rear end of the metal shaft sleeve;

[0006] The uniform oil injection device includes an oil injection metal strip, a fixing block and a fixing screw. The fixing block is welded to the outer wall of the top rear end of the metal sleeve. The oil injection metal strip is vertically inserted into the interior of the rear end of the metal sleeve, and the top end of the oil injection metal strip is exposed outside the top end of the metal sleeve. The fixing block is provided with a fixing screw, and the oil injection metal strip is fixedly connected to the fixing block by the fixing screw.

[0007] Preferably, the uniform oil filling device also includes an oil tank, an oil filling nozzle and a refueling port. The oil tank is arranged inside the oil filling metal strip, the oil filling metal strip is provided with a refueling port near the top rear end, and a plurality of oil filling nozzles are equidistantly arranged on the front end outer wall of the oil filling metal strip.

[0008] Preferably, the refueling port and the plurality of refueling nozzles are all connected to the interior of the oil tank, a sealing plug is inserted into the opening of the refueling port, and the sealing plug can completely block the rear end opening of the refueling port.

[0009] Preferably, the inner liner tube can be made of plastic or metal material, the outer wall of the inner liner tube is in contact with the inner wall of the metal sleeve, and the inner liner tube and the metal sleeve are interference fit.

[0010] Preferably, a plurality of screw holes are equidistantly arranged inside the mounting flange, and a screw can be directly inserted into each screw hole. A gasket is also arranged on the outer wall of the bottom end of the mounting flange.

[0011] Compared with the prior art, the utility model provides a motor shaft sleeve with stable connection, which has the following beneficial effects:

[0012] The utility model adds a novel uniform oil injection device inside the motor shaft sleeve, and the top end of the uniform oil injection device is exposed outside the top end of the motor shaft sleeve. When the motor shaft sleeve is installed and used, it is only necessary to keep the uniform oil injection device above the motor shaft, so that the motor shaft can be oiled through the uniform oil injection device to ensure that the motor shaft can be in a lubricated state all the time, and the uniform oil injection device can evenly spray the lubricant on the motor shaft, so that the situation that the lubricant is not applied to a local position of the motor shaft can be avoided, and when the uniform oil injection device injects the lubricant, it only needs to be completed on the outside of the motor shaft sleeve, so that it is more convenient and quick to inject the lubricant. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of a three-dimensional structure of a motor shaft sleeve with a stable connection according to the utility model.

[0014] Figure 2 It is a schematic diagram of the plane structure of a motor shaft sleeve with a stable connection according to the utility model.

[0015] Figure 3 It is a schematic diagram of the plan structure of the uniform oil injection device of the utility model.

[0016] In the figure: 1. Mounting flange; 2. Screw hole; 3. Gasket; 4. Metal sleeve; 5. Liner pipe; 6. Uniform oil filling device; 7. Oil filling metal strip; 8. Oil tank; 9. Oil filling nozzle; 10. Oil filling port; 11. Fixing block; 12. Fixing screw. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The utility model provides Figure 1-3 The motor shaft sleeve shown in the figure has a stable connection, including a metal shaft sleeve 4 and a mounting flange 1 arranged on the outside of the bottom end of the metal shaft sleeve 4, the metal shaft sleeve 4 and the mounting flange 1 are fixedly connected by welding, and the metal shaft sleeve 4 is flush with the lower end outer wall of the mounting flange 1, and an inner liner 5 is arranged inside the metal shaft sleeve 4, and the inner liner 5 can be made of plastic or metal material, the outer wall of the inner liner 5 is in contact with the inner wall of the metal shaft sleeve 4, and the inner liner 5 and the metal shaft sleeve 4 are interference fit, a plurality of screw holes 2 are equidistantly arranged inside the mounting flange 1, and a screw can be directly inserted into each screw hole 2, and the outer wall of the bottom end of the mounting flange 1 is provided with a screw hole 2. A gasket 3 is also provided. When installing and using the motor sleeve, the gasket 3 needs to be fitted to the outer wall of the bottom end of the mounting flange 1 first, and the gasket 3 can be fixed with an adhesive, and then the inner lining tube 5 needs to be inserted into the interior of the metal sleeve 4, and then the inner lining tube 5 is knocked into the interior of the metal sleeve 4 until the inner lining tube 5 is completely inserted into the interior of the metal sleeve 4, and then the metal sleeve 4 needs to be sleeved onto the outside of the motor shaft through the inner lining tube 5, and the mounting flange 1 needs to be fitted to a fixed position on the motor, and then the mounting flange 1 can be fixed to the motor with screws, and then the motor sleeve can be used normally.

[0019] like Figure 1 , Figure 2 and Figure 3As shown, a uniform oiling device 6 is arranged inside the rear end of the metal sleeve 4, and the uniform oiling device 6 includes an oiling metal strip 7, a fixing block 11 and a fixing screw 12. The fixing block 11 is welded to the outer wall of the top of the rear end of the metal sleeve 4, and the oiling metal strip 7 is vertically inserted into the rear end of the metal sleeve 4, and the top of the oiling metal strip 7 is exposed outside the top of the metal sleeve 4. The fixing block 11 is provided with a fixing screw 12, and the oiling metal strip 7 is fixedly connected to the fixing block 11 by the fixing screw 12. The uniform oiling device 6 also includes an oil tank 8, an oiling nozzle 9 and a refueling port 10. The oil tank 8 is arranged inside the oiling metal strip 7, and the oiling metal strip 7 is provided with a refueling port 10 near the top rear end. The outer wall of the front end of the oiling metal strip 7 is equidistantly provided with Multiple oiling nozzles 9, the oil filling port 10 and the multiple oiling nozzles 9 are all connected to the inside of the oil tank 8. A sealing plug is also inserted in the opening of the oil filling port 10, and the sealing plug can completely block the rear end opening of the oil filling port 10. After the motor shaft sleeve is installed, it is necessary to ensure that the uniform oiling device 6 is above the motor shaft, so that the lubricating oil can naturally fall on the motor shaft. When it is necessary to apply lubricating oil to the motor shaft, it is only necessary to take out the sealing plug on the oil filling port 10, and then inject the lubricating oil into the oil tank 8 inside the oil filling metal strip 7 through the oil filling port 10. The lubricating oil in the oil tank 8 will drip evenly onto the motor shaft through the multiple oiling nozzles 9, so that the motor shaft is evenly coated with lubricating oil, which helps the motor to run more stably.

[0020] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor shaft sleeve with stable connection, comprising a metal shaft sleeve (4) and a mounting flange (1) arranged outside the bottom end of the metal shaft sleeve (4), wherein the metal shaft sleeve (4) and the mounting flange (1) are fixedly connected by welding, the metal shaft sleeve (4) and the lower end outer wall of the mounting flange (1) are flush, and an inner lining tube (5) is arranged inside the metal shaft sleeve (4), characterized in that: A uniform oil injection device (6) is provided inside the rear end of the metal sleeve (4); The uniform oil injection device (6) comprises an oil injection metal strip (7), a fixing block (11) and a fixing screw (12); the fixing block (11) is welded to the top outer wall of the rear end of the metal sleeve (4); the oil injection metal strip (7) is vertically inserted into the rear end of the metal sleeve (4), and the top end of the oil injection metal strip (7) is exposed outside the top end of the metal sleeve (4); the fixing block (11) is provided with a fixing screw (12), and the oil injection metal strip (7) is fixedly connected to the fixing block (11) via the fixing screw (12).

2. A motor sleeve with stable connection according to claim 1, characterized in that: The uniform oil injection device (6) further comprises an oil bin (8), an oil injection nozzle (9) and a refueling port (10); the oil bin (8) is arranged inside the oil injection metal strip (7); the oil injection metal strip (7) is provided with a refueling port (10) near the top rear end; and a plurality of oil injection nozzles (9) are equidistantly arranged on the front end outer wall of the oil injection metal strip (7).

3. A motor sleeve with stable connection according to claim 2, characterized in that: The refueling port (10) and the plurality of oil filling nozzles (9) are both connected to the interior of the oil tank (8). A sealing plug is inserted into the opening of the refueling port (10), and the sealing plug can completely seal the rear end opening of the refueling port (10).

4. The motor sleeve with stable connection according to claim 1, characterized in that: The inner lining tube (5) can be made of plastic or metal material, the outer wall of the inner lining tube (5) is in contact with the inner wall of the metal sleeve (4), and the inner lining tube (5) and the metal sleeve (4) are interference fit.

5. The motor sleeve with stable connection according to claim 1, characterized in that: A plurality of screw holes (2) are equidistantly arranged inside the mounting flange (1), and a screw can be directly inserted into each screw hole (2). A gasket (3) is also arranged on the outer wall of the bottom end of the mounting flange (1).

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