CN220492745U - Waterproof grinding head motor - Google Patents

Abstract

The utility model discloses a waterproof grinding head motor, which comprises an end cover, a waterproof cover and an internal waterproof assembly, wherein the end cover is provided with a containing cavity, a through hole is formed in the first end part of the end cover, and a motor rotating shaft is arranged on the end cover in a penetrating manner through the through hole; the waterproof cover is sleeved on the motor rotating shaft, and a first waterproof gap is formed between the waterproof cover and the first end part; the waterproof assembly of inside includes first waterproof circle and the waterproof circle of second, first waterproof circle is installed in holding the intracavity wall, and have the waterproof clearance of second with waterproof cover between, the motor pivot is located to the waterproof snare of second, and be located the waterproof circle of first one side that deviates from the second clearance, have first sealed pond between waterproof circle of first waterproof circle and the waterproof circle of second, waterproof clearance of first, waterproof clearance of second, waterproof circle of first, waterproof circle of second and first sealed pond all have waterproof effect, consequently, the waterproof bistrique motor that this application provided has multiple waterproof structure, can effectively prevent that water from permeating and get into inside the motor, thereby can effectively improve bistrique motor's life.

Description

Waterproof grinding head motor

Technical Field

The utility model relates to the technical field of motors, in particular to a waterproof grinding head motor.

Background

In the related art, when the grinding head motor grinds glass (or stone), the grinding wheel needs to be accompanied with water column spraying cooling in the rotation process, the spraying position is positioned at the end part of the motor rotating shaft, the spraying water pressure is higher, splashed water flow easily enters the motor, rust is caused on the part, and finally the part is damaged. At present, the end of the motor rotating shaft of the traditional grinding head motor is generally provided with a waterproof cover, the waterproof cover and the end cover form a labyrinth sealing structure to prevent water, but the waterproof structure is single, water easily permeates into the labyrinth, and then flows into the motor to rust parts, so that the parts are damaged, and the service life of the grinding head motor is reduced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the waterproof grinding head motor provided by the utility model has a multiple waterproof structure, and can effectively prevent water from penetrating into the motor, so that the service life of the grinding head motor can be effectively prolonged.

According to an embodiment of the present utility model, a waterproof grinding head motor includes:

the motor rotating shaft penetrates through the end cover through the through hole;

the waterproof cover is sleeved on the motor rotating shaft, and a first waterproof gap is formed between the waterproof cover and the first end part;

the waterproof assembly comprises a first waterproof ring and a second waterproof ring, wherein the first waterproof ring is installed on the inner wall of the cavity, a second waterproof gap is formed between the waterproof cover and the first waterproof ring, the second waterproof ring is sleeved on the motor rotating shaft and is positioned on one side, deviating from the second gap, of the first waterproof ring, and a first sealing pool is formed between the first waterproof ring and the second waterproof ring.

The waterproof grinding head motor provided by the embodiment of the utility model has at least the following beneficial effects: the waterproof cover is sleeved on the motor rotating shaft, a first waterproof gap is formed between the waterproof cover and the first end part of the end cover, a second waterproof gap is formed between the waterproof cover and the first waterproof ring, a first sealing pool is further formed between the second waterproof ring and the first waterproof ring, and the first waterproof gap, the second waterproof gap, the first waterproof ring, the second waterproof ring and the first sealing pool all have waterproof effects.

According to some embodiments of the utility model, the inner waterproof assembly further comprises a skeleton oil seal mounted to the cavity and located on a side of the second waterproof ring facing away from the first sealing pool, and a second sealing pool is provided between the skeleton oil seal and the second waterproof ring.

According to some embodiments of the utility model, a bearing is sleeved on the periphery of the motor rotating shaft, an outer ring of the bearing is abutted against the inner wall of the accommodating cavity, and the bearing is positioned on one side of the framework oil seal, which is away from the second sealing pool.

According to some embodiments of the utility model, the first sealed pool and the second sealed pool are filled with grease.

According to some embodiments of the utility model, the waterproof grinding head motor further comprises a sealing ring, one end of the sealing ring is abutted against the motor rotating shaft, and the other end of the sealing ring is abutted against the waterproof cover.

According to some embodiments of the utility model, the waterproof cover is provided with a mounting hole so as to be sleeved on the motor rotating shaft, the inner wall of the mounting hole is provided with a mounting part, and the sealing ring is mounted on the mounting part.

According to some embodiments of the utility model, the mounting portion is a mounting groove.

According to some embodiments of the utility model, the end of the waterproof cover facing the first end is provided with a first recess, the first end being capable of being embedded in the first recess with the first waterproof gap between the first end and the bottom wall of the first recess.

According to some embodiments of the utility model, a second recess is further provided at an end of the waterproof cover facing the first waterproof ring, the second waterproof gap is provided between the first waterproof ring and the second recess, and the second recess is located inside the first recess along a radial direction of the waterproof cover.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a partial cross-sectional view of a waterproof grinding head motor according to an embodiment of the utility model;

fig. 2 is an enlarged view at a shown in fig. 1.

Reference numerals:

an end cap 100; a cavity 110; a first end 120;

a waterproof cover 200; a mounting portion 210; a seal ring 220;

a first waterproof gap 300;

a second waterproof gap 400;

an inner waterproof assembly 500; a first waterproof ring 510; a second waterproof ring 520; a skeleton oil seal 530;

a first sealed pool 600;

a second sealed pool 700;

a motor shaft 800;

and a bearing 900.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, the present utility model proposes a waterproof grinding head motor for grinding glass or stone and the like, wherein the waterproof grinding head motor includes an end cover 100, a waterproof cover 200, and an inner waterproof assembly 500. Wherein, the inside appearance chamber 110 that is equipped with of end cover 100, the first end 120 of end cover 100 is equipped with the through-hole, motor shaft 800 is located appearance intracavity 110, and the through-hole is worn to locate by motor shaft 800's one end, waterproof cover 200 cover locates motor shaft 800, and motor shaft 800 can drive waterproof cover 200 and rotate, waterproof cover 200 is located one side of first end 120, have first waterproof clearance 300 between waterproof cover 200 and the first end 120, can constitute labyrinth seal, it is to be noted that labyrinth seal means that there are many tortuous cells between rotating part and the fixed part to make the leakage reduce seal. The inner waterproof assembly 500 includes a first waterproof ring 510 and a second waterproof ring 520, the first waterproof ring 510 is mounted on the inner wall of the cavity 110, a second waterproof gap 400 is formed between the first waterproof ring 510 and the waterproof cover 200, so that labyrinth seal can be formed, the second waterproof ring 520 is sleeved on the motor rotating shaft 800, the second waterproof ring 520 is located at one side of the first waterproof ring 510 away from the second gap, namely, the first waterproof ring 510 is located between the second waterproof ring 520 and the waterproof cover 200, a first sealing pool 600 is formed between the second waterproof ring 520 and the first waterproof ring 510, and it can be understood that waterproof substances such as grease, for example, are arranged in the first sealing pool 600, so that sealing waterproof effect and lubricating effect can be achieved. Wherein, first waterproof clearance 300, waterproof clearance 400 of second, waterproof circle 510 of first, waterproof circle 520 of second and first sealed pond 600 all have the water-proof effects, therefore, waterproof bistrique motor that the application proposed has multiple waterproof construction, can prevent effectively that water infiltration from getting into inside the motor to can effectively improve bistrique motor's life.

It should be noted that, the surface of the waterproof cover 200 may be subjected to a nitrogen-carbon-oxygen composite treatment, so that the surface of the waterproof cover 200 is not rusted, and glass powder or stone powder is not adhered to improve the waterproof effect.

In some embodiments of the present utility model, the inner waterproof assembly 500 further includes a frame oil seal 530, where the frame oil seal 530 is installed in the cavity 110 and located at a side of the second waterproof ring 520 facing away from the first sealing pool 600, i.e., the second waterproof ring 520 may be located between the frame oil seal 530 and the first waterproof ring 510, and the second sealing pool 700 is located between the frame oil seal 530 and the second waterproof ring 520, so that the waterproof effect can be further improved. It will be appreciated that the second seal sump 700 has a water-resistant substance therein, such as grease, which provides both a sealing and water-resistant effect as well as a lubricating effect.

It should be noted that, the motor shaft 800 is sleeved with a bearing 900, and an outer ring of the bearing 900 abuts against an inner wall of the cavity 110 in the end cover 100, so that the motor shaft 800 can be rotatably connected to the end cover 100. The bearing 900 is located the one side that skeleton oil blanket 530 deviates from second sealed pond 700, and skeleton oil blanket 530 is used for the oil blanket to bearing 900, and the main lip of skeleton oil blanket 530 and motor shaft 800 lubrication friction fit, skeleton oil blanket 530 can prevent that the lubricating oil that is used for lubricating bearing 900 from revealing promptly to make motor shaft 800 can smoothly rotate, and skeleton oil blanket 530 also can prevent outside rivers inside the motor simultaneously. It should be noted that, one or two of the bearings 900 may be provided, and the bearing may be determined according to the actual situation, and is not particularly limited herein.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the waterproof grinding head motor further includes a sealing ring 220, the sealing ring 220 is sleeved on the motor shaft 800, and one end of the sealing ring 220 is abutted against the motor shaft 800, and the other end is abutted against the waterproof cover 200, so that the waterproof effect can be further improved. It should be noted that, the waterproof cover 200 is provided with a mounting hole, and is tightly sleeved on the motor shaft 800 through the mounting hole, the inner wall of the mounting hole is provided with a mounting portion 210, the sealing ring 220 may be mounted on the mounting portion 210, for example, the mounting portion 210 may be a mounting groove, the sealing ring 220 is partially disposed in the mounting groove, and the inner wall of the sealing ring 220 abuts against the motor shaft 800, so that water can be prevented from penetrating into the grinding head motor along the motor main shaft.

In some embodiments of the present utility model, the end of the waterproof cover 200 facing the first end 120 is provided with a first recess, the first end 120 can be embedded in the first recess, and a gap is formed between the first end 120 and the bottom wall of the first recess, and the gap is the first waterproof gap 300. The end of the waterproof cover 200 facing the first waterproof ring 510 is further provided with a second concave portion, and a gap is formed between the first waterproof ring 510 and the second concave portion, and the gap is the second waterproof gap 400. Wherein the second recess is located inside the first recess in the radial direction of the waterproof cover 200.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (9)

1. A waterproof grinding head motor, comprising:

the motor comprises an end cover (100), wherein a containing cavity (110) is formed in the end cover, a through hole is formed in a first end part (120) of the end cover (100), and a motor rotating shaft (800) penetrates through the end cover (100) through the through hole;

the waterproof cover (200) is sleeved on the motor rotating shaft (800), and a first waterproof gap (300) is formed between the waterproof cover (200) and the first end part (120);

inside waterproof subassembly (500), including first waterproof circle (510) and second waterproof circle (520), first waterproof circle (510) install in hold chamber (110) inner wall, and with have second waterproof clearance (400) between waterproof lid (200), second waterproof circle (520) cover is located motor shaft (800), and be located first waterproof circle (510) deviate from one side in second waterproof clearance, first waterproof circle (510) with first sealed pond (600) have between second waterproof circle (520).

2. The waterproof grinding head motor according to claim 1, wherein the inner waterproof assembly (500) further comprises a skeleton oil seal (530), the skeleton oil seal (530) is mounted in the accommodating cavity (110) and is located at one side of the second waterproof ring (520) facing away from the first sealing pool (600), and a second sealing pool (700) is arranged between the skeleton oil seal (530) and the second waterproof ring (520).

3. The waterproof grinding head motor according to claim 2, wherein a bearing (900) is sleeved on the periphery of the motor rotating shaft (800), an outer ring of the bearing (900) is abutted to the inner wall of the accommodating cavity (110), and the bearing (900) is located on one side, away from the second sealing pool (700), of the framework oil seal (530).

4. The waterproof grinding head motor according to claim 2, wherein the first sealing pool (600) and the second sealing pool (700) are filled with grease.

5. The waterproof grinding head motor according to claim 1, further comprising a sealing ring (220), wherein one end of the sealing ring (220) is abutted to the motor rotating shaft (800), and the other end is abutted to the waterproof cover (200).

6. The waterproof grinding head motor according to claim 5, wherein the waterproof cover (200) is provided with a mounting hole to be sleeved on the motor rotating shaft (800), the inner wall of the mounting hole is provided with a mounting portion (210), and the sealing ring (220) is mounted on the mounting portion (210).

7. The waterproof grinding head motor according to claim 6, wherein the mounting portion (210) is a mounting groove.

8. The waterproof grinding-head motor according to claim 1, characterized in that one end of the waterproof cover (200) facing the first end portion (120) is provided with a first recess, the first end portion (120) being insertable into the first recess with the first waterproof gap (300) between the first end portion and the bottom wall of the first recess.

9. The waterproof grinding-head motor according to claim 8, characterized in that an end of the waterproof cover (200) facing the first waterproof ring (510) is further provided with a second recess, the first waterproof ring (510) and the second recess have the second waterproof gap (400) therebetween, and the second recess is located inside the first recess in a radial direction of the waterproof cover (200).