TWM625619U - Corrosion Resistant Magnetic Wheel - Google Patents

Abstract

This creation is about a corrosion-resistant magnetic wheel, which includes a shaft seat, a magnet ring, an anti-corrosion film, two sealing rings and a side cover ring. The shaft seat includes a base and a shaft extending from the base, and the magnet ring is sleeved on the shaft. And has an outer ring surface and two opposite side planes, the outer ring surface is connected between the side planes, the anti-corrosion film covers the outer ring surface and shields each side plane of the part, and each sealing ring is sleeved with a shaft and is located in the On both sides of the magnet ring, each sealing ring is in contact with the anti-corrosion film on each side plane, and the side cover ring locks the shaft and compresses each sealing ring and the magnet ring longitudinally toward the base; this can effectively prevent the magnet ring from working The environment is attacked by corrosive chemicals.

Description

Corrosion Resistant Magnetic Wheel

This creation is about a magnetic wheel, especially a corrosion-resistant magnetic wheel that protects the magnet ring from corrosive chemicals.

Gears are quite common transmission parts in various manufacturing industries. However, under the action of long-term contact, there will still be a problem of wear and tear, and then particles (particles) will be generated, which will seriously affect the process of circuit boards or wafers. Yield. Therefore, a magnetic gear is derived to replace the gear action. The magnetic gear does not have the meshing teeth of the traditional gear, but uses the attraction and repulsion of the magnetic coupling force to achieve the purpose of transmission.

The general magnetic wheel is usually equipped with a magnet ring on the metal shaft seat. However, in some wet processes with acid-base liquid, acid-base mist or chemical vapor, it is easy to cause metal rust, or in the production lines of circuit boards and wafers in the process of pickling or chemical cleaning, The magnet ring that has been exposed to the working environment for a long time is easily corroded by acid-base substances or corrosive chemicals, which leads to the failure of normal operation and needs to be replaced. Therefore, how to make the magnetic ring can effectively prevent corrosion and operate permanently without replacement is an urgent need for improvement. Shortcomings.

In view of this, the creator of the present invention has devoted himself to the research and application of the theory, aiming at the above-mentioned deficiencies of the prior art, to try his best to solve the above-mentioned problems, which has become the goal of the creator's improvement.

The main purpose of this creation is to effectively prevent the magnet ring from being corroded by corrosive chemicals in the working environment.

In order to achieve the above purpose, the present invention provides an anti-corrosion magnetic wheel, which includes a shaft seat, a magnet ring, an anti-corrosion film, two sealing rings and a side cover ring. The shaft seat includes a base and a shaft extending from the base. The rod, the magnet ring is sleeved on the shaft, the magnet ring has an outer ring surface and two opposite side planes, the outer ring surface is connected between the side planes, and the anti-corrosion film covers the outer ring surface and shields at least the side planes. In one part, each sealing ring is sleeved with the shaft and is located on both sides of the magnet ring, each sealing ring is in contact with the anti-corrosion film on each side plane, and the side cover ring locks the shaft and presses the sealing longitudinally towards the base Ring and Magnet Ring.

The invention also has the following effects: through the positioning hole penetrating through the base to the shaft hole, the positioning member can be penetrated to tighten the rotating shaft and be fixed on the shaft seat. The surface of the inner thread and the outer thread is coated with thread sealant, so that it can be completely sealed after screwing to avoid the penetration of corrosive chemicals from the thread. With the clamping planes on the base and the outer edge of the side cover ring, it can be clamped by a tool to facilitate locking by force. Each sealing ring is accommodated in each annular groove, so that each sealing ring will not be directly exposed to be corroded by corrosive chemical substances.

The detailed description and technical content of this creation will be described with the drawings as follows, but the attached drawings are only for illustrative purposes and are not intended to limit this creation.

The present invention provides an anti-corrosion magnetic wheel, please refer to FIG. 1 to FIG. 3 , which mainly includes a shaft seat 10 , a magnet ring 20 , an anti-corrosion film 30 , two sealing rings 40 and a side cover ring 50 .

In this embodiment, the shaft seat 10 is a plastic part, but the invention is not limited to this. For example, the shaft seat 10 can also be made of a corrosion-resistant metal part or other corrosion-resistant materials. The axle base 10 includes a base 11 and a shaft 12 , and the shaft 12 extends longitudinally from a side surface of the base 11 . Specifically, the base 11 and the shaft 12 are both cylindrical and have the same axis, and the diameter of the shaft 12 is smaller than the diameter of the base 11 . The shaft seat 10 has a shaft hole 13 which penetrates the base 11 and the shaft rod 12 longitudinally so that the shaft seat 10 can be sleeved on a rotating shaft (not shown). In addition, the base 11 is further provided with a positioning hole 14. The positioning hole 14 penetrates from the outer edge of the base 11 to the shaft hole 13 and is used for a positioning member (not shown in the figure) to pass through to tighten the rotating shaft. Fixed on the axle base 10 . In this embodiment, the positioning hole 14 is a screw hole and the positioning member is a bolt, but the present invention is not limited to this, for example, the positioning member can also be a latch. In addition, the shaft hole 13 can also be a non-circular hole, so that the shaft seat 10 can form a tight fit with the rotating shaft without using the positioning member and the positioning hole 14 without slipping.

The magnet ring 20 is a ring-shaped magnet, and the present invention does not limit the magnetism of the magnet, and the designer can adjust it according to different needs. The magnet ring 20 is sleeved on the shaft 12 . The magnet ring 20 has an outer annular surface 21 and two opposite side planes 22 , and the outer annular surface 21 is connected between the two side planes 22 .

The anti-corrosion film 30 is coated on the outer ring surface 21 and shields at least a part of each side plane 22 . In this embodiment, the anti-corrosion film 30 can be a protective layer formed through organic coating, inorganic coating, metal coating, surface hardening treatment, cathodic treatment or anodizing treatment, etc., but this invention does not limit this, as long as it can It is enough to effectively prevent the corrosion of corrosive chemicals, and the designer can also adjust the composition and thickness of the anti-corrosion film 30 according to the requirements of different working environments.

Each sealing ring 40 is sleeved on the shaft 12 and located on the left and right sides of the magnet ring 20 , and each sealing ring 40 abuts against the anti-corrosion film 30 on each side plane 22 respectively. In this embodiment, the sealing ring 40 is an O-ring, but the present invention is not limited to this.

The side cover ring 50 is locked on the shaft 12 , and the sealing rings 40 and the magnet rings 20 are pressed longitudinally toward the base 11 , so that the sealing rings 40 are tightly clamped on the anti-corrosion films 30 of the side planes 22 . In this embodiment, the side cover ring 50 is a plastic part, but the present invention is not limited to this. For example, the side cover ring 50 can also be made of corrosion-resistant metal parts or other corrosion-resistant materials, and the side cover ring Preferably, the material 50 corresponds to the shaft seat 10 of the same material to facilitate production and assembly. The inner edge of the side cover ring 50 is provided with an inner thread 51 , and the end of the shaft 12 is provided with an outer thread 15 . Preferably, a thread sealant A is coated on the surfaces of the inner thread 51 and the outer thread 15, so that the inner thread 51 and the outer thread 15 are completely sealed through the cured thread sealant A after screwing, thereby avoiding corrosive chemicals. Substance penetrates from the thread. In addition, the outer edges of the base 11 and the side cover ring 50 are respectively provided with two opposite clamping planes 16 and 52, so that when the side cover ring 50 is locked on the shaft 12, a tool (such as a pliers) can be passed through. ) is clamped on each clamping plane 16, 52 to facilitate locking by force.

Further description, the base 11 is recessed with an annular groove 17 on the side surface from which the shaft rod 12 extends, and the side cover ring 50 facing the base 11 is recessed with an opposite annular groove 53 . The sealing rings 40 are respectively accommodated in the annular grooves 17 and 53 , so that the sealing rings 40 are not directly exposed to the outside to be corroded by corrosive chemicals.

It should be noted that the magnet ring 20 has a thickness t, each sealing ring 40 has a diameter D, and each annular groove 17, 53 has a width w and a depth d. In this embodiment, the width w is greater than the diameter D, and the diameter D is greater than the depth d, so that each sealing ring 40 will protrude out of each annular groove 17, 53, so that the side cover ring 50 is locked by the magnet ring. 20 can contact each sealing ring 40 for longitudinal compression, so that each sealing ring 40 is elastically deformed. In addition, the anti-corrosion film 30 has a shielding length l for shielding the side plane 22 . The sum of the shielding length l and 1/2 width w is greater than the thickness t, thereby ensuring that each sealing ring 40 abuts on the anti-corrosion film 30 to achieve a sealing effect, thereby preventing corrosive chemicals from entering the anti-corrosion film 30 and the anti-corrosion film 30. It penetrates between the seal rings 40 and corrodes the magnet ring 20 . In this embodiment, the shielding length l is equal to the thickness t of the magnet ring 20, but the present invention is not limited to this.

To sum up, this creation has industrial applicability, novelty and progress, and fully meets the requirements for patent application. Of course, this creation can also have other various embodiments, without departing from the spirit and essence of this creation, those skilled in the art can evolve various corresponding changes and deformations according to this creation, but these corresponding changes and deformation shall belong to the protection scope of the patent applied for in this creation.

10: Axle seat 11: Pedestal 12: Axle 13: Shaft hole 14: Positioning hole 15: External thread 16, 52: Clamping plane 17, 53: Annular groove 20: Magnet Ring 21: Outer ring surface 22: Lateral plane 30: Anti-corrosion film 40: sealing ring 50: Side cover ring 51: Internal thread A: Thread sealant d: depth D: diameter l: Masking length t: thickness w: width

Figure 1 is a three-dimensional appearance view of this creation.

Figure 2 is an exploded perspective view of this creation.

Figure 3 is a sectional view of this creation.

10: Axle seat

11: Pedestal

12: Axle

13: Shaft hole

14: Positioning hole

15: External thread

16, 52: Clamping plane

17: Annular groove

20: Magnet Ring

21: Outer ring surface

22: Lateral plane

30: Anti-corrosion film

40: sealing ring

50: Side cover ring

51: Internal thread

D: diameter

t: thickness

Claims (10)

A corrosion-resistant magnetic wheel, comprising: a shaft seat, including a base and a shaft extending from the base; a magnet ring sleeved on the shaft, the magnet ring has an outer ring surface and two opposite side planes, the outer ring surface is connected between the side planes; an anti-corrosion film, covering the outer ring surface and shielding at least a part of each of the side planes; Two sealing rings, sleeved on the shaft and located on both sides of the magnet ring respectively, each of the sealing rings respectively abutting the anti-corrosion film on each of the side planes; and A cover ring on one side locks the shaft and presses the sealing ring and the magnet ring longitudinally toward the base. The anti-corrosion magnetic wheel as claimed in claim 1, wherein the base and the side cover ring are respectively provided with an annular groove opposite to each other, and each of the sealing rings is respectively accommodated in each of the annular grooves. The anti-corrosion magnetic wheel of claim 2, wherein each of the sealing rings has a diameter, and each of the annular grooves has a width, and the width is greater than the diameter. The anti-corrosion magnetic wheel of claim 3, wherein the magnet ring has a thickness, the anti-corrosion film has a shielding length for shielding each of the side planes, and the sum of the shielding length and 1/2 of the width is greater than the thickness . The corrosion-resistant magnetic wheel of claim 2, wherein each of the sealing rings has a diameter, and each of the annular grooves has a depth, and the diameter is greater than the depth. The anti-corrosion magnetic wheel as claimed in claim 1, wherein the side cover ring is provided with an inner thread, the shaft is provided with an outer thread, and the inner thread is screwed with the outer thread to lock the side cover ring on the shaft . The corrosion-resistant magnetic wheel as claimed in claim 6, wherein the surfaces of the inner thread and the outer thread are coated with a thread sealant. The anti-corrosion magnetic wheel according to claim 6, wherein the outer edges of the base and the side cover ring are respectively provided with two opposite clamping planes. The anti-corrosion magnetic wheel according to claim 1, wherein the shaft seat has a shaft hole, and the shaft hole longitudinally penetrates the base and the shaft rod. The anti-corrosion magnetic wheel as claimed in claim 9, wherein the base is provided with a positioning hole, and the positioning hole penetrates from the outer edge of the base to the shaft hole.

Images