Water-cooled motor shaft

Abstract

The utility model relates to the technical field of motor shafts, and discloses a water-cooled motor shaft which comprises a motor shaft body, the outer surface of the motor shaft body is provided with a water inlet hole and a water outlet hole, one end of the water inlet hole extends into a water inlet channel, one end of the water outlet hole extends into a water outlet channel, and the outer surface of the motor shaft body is provided with a connecting assembly. One end of the motor shaft body is provided with a drainage assembly, and the outer surface of the connecting assembly is provided with a filtering assembly and a drainage pipe. Water is injected into the water inlet channel through the connecting assembly, flows into the drainage assembly through the water inlet channel, then flows into the drainage channel through the drainage assembly and is finally discharged out of the motor shaft body through the drainage pipe, heat generated by the motor shaft body can be taken away when the water passes through the water inlet channel and the drainage channel, and heat generated by the motor shaft body is dissipated. And the motor shaft body is cooled by water, so that the problem of heating caused by high-speed rotation in a long-time use process is avoided, and a relatively good heat dissipation effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor shaft technical field, concretely is a water -cooled motor shaft. BACKGROUND

[0002] Motor shaft is an important part in motor, is the link of motor and automobile equipment electromechanical energy conversion, its support rotating parts, transmission torque and determine rotating parts to stator relative position.

[0003] The utility model discloses a motor shaft, mainly by first spindle, second spindle, bearing and protective sleeve are formed, this technical scheme is simple to maintain, and convenient to replace, when partial damage, does not need to replace the integral dismounting, reduces production cost, improves work efficiency, and the protective sleeve makes the motor shaft more safe in the use process, enhances the wear resistance, prolongs the service life of motor.

[0004] The motor shaft disclosed in the above file has the following defects: the high-power motor shaft in the prior art is generally made of high-strength alloy steel or carbon steel, and the problem of heating may occur due to high-speed rotation during long-term use. Since the material of the motor shaft is thin and long in structure, it is not conducive to heat dissipation, and long-term overheating may affect the service life of the motor shaft, and the practical effect is poor.

[0005] Therefore, the existing motor shaft does not have good heat dissipation effect, and needs to be improved to provide a water-cooled motor shaft. UTILITY MODEL CONTENTS

[0006] The utility model discloses a water-cooled motor shaft, which solves the problems in the background art.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model discloses a water-cooled motor shaft, which includes a motor shaft body, a recess is formed at one end of the motor shaft body, a water inlet channel and a water outlet channel are formed in the inner surface of the recess, a water inlet hole and a water outlet hole are formed in the outer surface of the motor shaft body, one end of the water inlet hole extends into the water inlet channel, one end of the water outlet hole extends into the water outlet channel, a connecting assembly is installed on the outer surface of the motor shaft body, a drainage assembly is installed at one end of the motor shaft body, and a filter assembly and a drain pipe are arranged on the outer surface of the connecting assembly.

[0009] Further, the connecting assembly comprises a sleeve, one end of the sleeve is provided with a connecting flange, a first through hole and a second through hole are formed in the outer surface of the sleeve, one end of the drain pipe is threadedly connected in the second through hole, and the sleeve is sleeved on the outer surface of the motor shaft body.

[0010] Further, a sealing ring is mounted on the inner surface of the sleeve.

[0011] Further, the drainage assembly comprises a cover plate, the cover plate is mounted on one end of the motor shaft body through bolts, one end of the cover plate is provided with a main pipe, the outer surface of the main pipe is provided with branch pipes, one end of the main pipe is mounted in the water inlet channel, and one end of the branch pipes is mounted in the drain channel.

[0012] Further, the filter assembly comprises a filter cartridge, a water inlet pipe is mounted on the outer surface of the filter cartridge, a connecting pipe is mounted on the lower surface of the filter cartridge, one end of the connecting pipe is threadedly connected in the first through hole, a cover body is threadedly connected on the outer surface of the filter cartridge, and a filter core is arranged in the filter cartridge.

[0013] Further, baffles are arranged at two ends of the filter core.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] (1) The utility model discloses a connecting assembly injects water into the water inlet channel, and the water flows to the inside of the drainage assembly through the water inlet channel, then flows to the inside of the drain channel through the drainage assembly, and finally is discharged from the inside of the motor shaft body through the drain pipe.

[0016] (2) The filter core arranged in the filter cartridge can filter the water, avoid the impurities in the water from entering the inside of the motor shaft body, and affect the water inlet channel and the drain channel, thereby prolonging the service life of the motor shaft body.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the whole structure explosion drawing of the utility model;

[0021] Figure 3 It is the whole structure section view of the utility model;

[0022] Figure 4 It is the whole structure of the utility model Figure 3 It is the structure enlarged schematic view of A place in the utility model;

[0023] Figure 5 It is the filter assembly structure explosion drawing of the utility model;

[0024] Figure 6 It is the drainage assembly structure schematic view of the utility model;

[0025] In the drawing, the component list represented by each sign is as follows:

[0026] In the drawing: 1, motor shaft body; 101, water inlet channel; 102, drainage channel; 2, connecting assembly; 201, sleeve; 202, connecting flange; 203, sealing ring; 3, drainage assembly; 301, cover plate; 302, main pipeline; 303, branch pipeline; 4, filter assembly; 401, filter cylinder; 402, water inlet pipe; 403, connecting pipe; 404, cover body; 405, filter element; 406, baffle; 5, drain pipe. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figure 1 - Figure 6 As shown in the drawing, the utility model is a water-cooled motor shaft, including motor shaft body 1, the recess is set up at one end of motor shaft body 1, the inner surface of recess is set up water inlet channel 101 and drainage channel 102, the outer surface of motor shaft body 1 is set up water inlet hole and drainage hole, the one end of water inlet hole extends to the inside of water inlet channel 101, the one end of drainage hole extends to the inside of drainage channel 102, the outer surface of motor shaft body 1 is installed with connecting assembly 2, one end of motor shaft body 1 is installed with drainage assembly 3, the outer surface of connecting assembly 2 is provided with filter assembly 4 and drain pipe 5;

[0029] Water is injected into the water inlet channel 101 through the connecting assembly 2, flows to the inside of the drainage assembly 3 through the water inlet channel 101, then flows to the inside of the water outlet channel 102 through the drainage assembly 3, and finally flows out of the inside of the motor shaft body 1 through the drain pipe 5. When the water passes through the water inlet channel 101 and the water outlet channel 102, the heat generated by the motor shaft body 1 is taken away, the motor shaft body 1 is cooled, and the problem of overheating caused by high-speed rotation during long-term use is avoided, thereby achieving good heat dissipation effect.

[0030] The filter assembly 4 can filter water, prevent impurities in the water from entering the inside of the motor shaft body 1, affect the water inlet channel 101 and the water outlet channel 102, and prolong the service life of the motor shaft body 1.

[0031] The connecting assembly 2 comprises a sleeve 201, one end of the sleeve 201 is provided with a connecting flange 202, a first through hole and a second through hole are formed in the outer surface of the sleeve 201, one end of the drain pipe 5 is threadedly connected in the second through hole, and the sleeve 201 is sleeved on the outer surface of the motor shaft body 1.

[0032] The inner surface of the sleeve 201 is provided with a sealing ring 203;

[0033] The sealing ring 203 can increase the sealing property between the motor shaft body 1 and the sleeve 201, prevent liquid leakage during use, and achieve good sealing effect.

[0034] The drainage assembly 3 comprises a cover plate 301, the cover plate 301 is installed on one end of the motor shaft body 1 through bolts, one end of the cover plate 301 is provided with a main pipe 302, the outer surface of the main pipe 302 is provided with a branch pipe 303, one end of the main pipe 302 is installed in the water inlet channel 101, and one end of the branch pipe 303 is installed in the water outlet channel 102.

[0035] The filter assembly 4 comprises a filter cylinder 401, the outer surface of the filter cylinder 401 is provided with a water inlet pipe 402, the lower surface of the filter cylinder 401 is provided with a connecting pipe 403, one end of the connecting pipe 403 is threadedly connected in the first through hole, the outer surface of the filter cylinder 401 is threadedly connected with a cover body 404, and the inside of the filter cylinder 401 is provided with a filter core 405.

[0036] The filter core 405 is provided with a baffle 406 at both ends.

[0037] In use, first, the water inlet pipe 402 and the drain pipe 5 are connected with the water outlet device and the circulating device respectively, the control valve of the water outlet device is opened, water flows to the inside of the filter cartridge 401 through the water inlet pipe 402, the filter core 405 arranged in the filter cartridge 401 can filter the water entering the filter cartridge 401, the filtered water enters the inside of the water inlet channel 101 through the connecting pipe 403, then the water flows to the inside of the main pipe 302 through the water inlet channel 101, then flows to the inside of the drain channel 102 through the branch pipe 303, and finally flows out of the inside of the motor shaft body 1 through the drain pipe 5, when the water flows through the water inlet channel 101 and the drain channel 102, the heat generated by the motor shaft body 1 is taken away, the motor shaft body 1 is cooled, and the problem of heat generation caused by high-speed rotation in a long-time use process is avoided, and a good heat dissipation effect is achieved.

[0038] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A water-cooled motor shaft, comprising a motor shaft body (1), one end of the motor shaft body (1) is provided with a recess, an inner surface of the recess is provided with a water inlet channel (101) and a water outlet channel (102), an outer surface of the motor shaft body (1) is provided with a water inlet hole and a water outlet hole, one end of the water inlet hole extends to the inside of the water inlet channel (101), one end of the water outlet hole extends to the inside of the water outlet channel (102), characterized in that: The outer surface of the motor shaft body (1) is provided with a connecting assembly (2), one end of the motor shaft body (1) is provided with a drainage assembly (3), and the outer surface of the connecting assembly (2) is provided with a filter assembly (4) and a drain pipe (5).

2. A water-cooled electric machine shaft according to claim 1, characterized in that: The connecting assembly (2) comprises a sleeve (201), one end of the sleeve (201) is provided with a connecting flange (202), the outer surface of the sleeve (201) is provided with a first through hole and a second through hole, one end of the drain pipe (5) is threadedly connected in the second through hole, and the sleeve (201) is sleeved on the outer surface of the motor shaft body (1).

3. A water-cooled electric machine shaft according to claim 2, characterized in that: The inner surface of the sleeve (201) is provided with a sealing ring (203).

4. A water-cooled electric machine shaft according to claim 1, characterized in that: The drainage assembly (3) comprises a cover plate (301), the cover plate (301) is bolted on one end of the motor shaft body (1), one end of the cover plate (301) is provided with a main pipeline (302), the outer surface of the main pipeline (302) is provided with a branch pipeline (303), one end of the main pipeline (302) is arranged in the water inlet channel (101), and one end of the branch pipeline (303) is arranged in the water outlet channel (102).

5. A water-cooled electric machine shaft as claimed in claim 1, characterized in that: The filter assembly (4) comprises a filter cylinder (401), the outer surface of the filter cylinder (401) is provided with a water inlet pipe (402), the lower surface of the filter cylinder (401) is provided with a connecting pipe (403), one end of the connecting pipe (403) is threadedly connected in the first through hole, the outer surface of the filter cylinder (401) is threadedly connected with a cover body (404), and the inside of the filter cylinder (401) is provided with a filter core (405).

6. A water-cooled electric machine shaft according to claim 5, characterized in that: Both ends of the filter core (405) are provided with baffle plates (406).

Images