JPH0224977Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of technical application) The present invention is a structure in which a lubricant, oil, etc. (hereinafter simply referred to as lubricating oil) is installed on a lubricated shaft or a bearing, in which lubricant, oil, etc. (hereinafter simply referred to as lubricating oil) flows out from the shaft, etc. This invention relates to preventing lubricating oil from moving to areas that dislike oil.

(Background of the invention) Conventionally, as shown in FIG. 2, in a structure in which a shaft is lubricated with lubricating oil, lubricating oil flows from the lubricating oil-applied shaft 21. An oil repellent 22 located near the shaft and used to prevent oil from leaking or leaking to parts that dislike oil.
was applied using an applicator (brush) 23.

However, when applying the oil repellent with a brush, it is actually difficult to apply an appropriate amount to prevent lubricating oil from seeping out.

Furthermore, when applying with a brush, it is difficult to determine an appropriate area, and the area to be applied tends to be uneven or the shape to be unstable, resulting in the inconvenience that the required area cannot be obtained depending on the product.

Application by this method has the disadvantage that the oil repellent may peel off if the oil repellent is accidentally touched when performing other work such as assembling other parts after application.

(Purpose of the invention) In view of the above-mentioned disadvantages, the purpose of the invention is to provide a predetermined shape when forming a member, and then easily administer a certain amount of oil repellent to achieve the predetermined performance. The objective is to obtain a groove to prevent outflow.

(Structure of the invention) The above-mentioned object is achieved by providing a groove filled with an oil repellent around a member and a region to which lubricating oil is applied.

(Embodiments of the invention) Hereinafter, embodiments of the invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing a first embodiment of the present invention.

Reference numeral 1 denotes a shaft, which is coated with lubricating oil so that, for example, it can rotate smoothly.

Reference numeral 2 denotes an outflow prevention groove, which is formed by a thin cut and is provided by molding or cutting.

Reference numeral 3 denotes an applicator (dropper) which contains an oil repellent and can dispense the required amount into the outflow prevention groove 2.

Reference numeral 4 denotes a substrate, and in this drawing, a hole is provided so as to receive the rotation of the shaft 1.

First, by cutting the substrate 4 during molding or after forming the substrate, the outflow prevention grooves 2 are
is provided around the shaft 1 to which lubricating oil is applied.

The grooves are finely carved to facilitate capillary action.

Next, an oil repellent (not shown) is administered and dripped into the narrow outflow prevention groove 2 using the dropper 3 containing the oil repellent.

As a result, the oil repellent flows smoothly on average into the outflow prevention groove, which has a width and depth sufficient to cause capillary action, and is filled with the oil repellent.

By doing this, even if the lubricating oil tries to leak out from the shaft 1 to the surrounding area after the product is completed, the leakage prevention groove 2 and the oil repellent applied to the groove will prevent the lubricating oil from being exposed to the parts. can prevent contamination.

FIG. 3 is a side view showing a second embodiment of the present invention.

The outflow prevention groove 12 is provided on a tangent between the substrate 14 and the shaft 11, and is positioned so that the oil repellent agent is evenly distributed around this groove. In addition, 13
indicates a dropper for administering/instilling the oil repellent.

FIG. 4 shows a third embodiment of the present invention, in which a groove 22 is provided around a part of the shaft 21 itself to prevent lubricating oil from flowing out. , shows an example in which the solution is prevented from seeping out to the other side.

FIG. 5 shows a fourth embodiment of the present invention, in which a groove 33 is provided around a part of the operating member (lever) 32 supported by the shaft 31 to prevent leakage. An example is shown in which the applied lubricant is prevented from seeping into the actuating piece 34 attached to the tip of the lever 32. In addition,
The actuation piece 34 is, for example, a piece of iron that approaches and separates from a magnetic pole in an electromagnet device, and does not like foreign matter to adhere to its contact and separation surfaces.

(Effects of the invention) As described above, by implementing the invention, it is possible to make changes that do not cause any inconvenience to the conventional work process, such as providing grooves when forming parts, that is, during molding or cutting. Traditionally, just
This has the effect of solving the problem of difficulty in administering an appropriate amount of oil repellent in an appropriate range, position, and shape.

Furthermore, since the lube repellent can be applied to the grooves of the present invention after the structure has been assembled, the lube repellent can be peeled off or diluted due to accidental contact with hands or other parts after application/injection, unlike conventional methods. This has the effect of eliminating the inconvenience of sagging.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a first embodiment of the present invention, Fig. 2 is a perspective view showing a conventional example, and Fig. 3 is a side view showing a second embodiment of the present invention. FIG. 4 is a side view showing a third embodiment of the present invention, and FIG. 5 is a side view showing a fourth embodiment of the present invention. 1, 11, 21, 31...axis, 2, 12, 2
2, 33... Outflow prevention groove, 3, 13, 23... Applicator.

Claims (1)

[Claims for Utility Model Registration] A groove provided around or near a member such as a shaft or bearing, or in the member itself, to which lubricating oil or the like is applied, wherein the lubricating oil or the like is applied to the inside of the groove. A spill-prevention groove characterized in that a lubricating oil or the like is injected with an agent that repels lubricating oil to prevent it from flowing out from a region that requires the lubricating oil to another region that does not require the lubricating oil.