TWI715067B - Self-lubricating oil tank with multiple oil chambers - Google Patents

Abstract

The present invention provides a self-lubricating oil tank with multiple oil chambers, which comprising an oil tank, wherein an upper oil chamber and a lower oil chamber are formed inside the oil tank; a bottom edge of the upper oil chamber is connected to the lower oil chamber. The lubricating oil moves from the upper oiling chamber downward into the lower oil chamber. The two oiling components are respectively disposed in the lower oil chamber. The upper oiling chamber forms a micro-negative pressure state, improving the utilization rate of the lubricating oil, and avoids long-term retention of the lubricating oil, thereby improving the reliability of lubrication.

Description

Self-lubricating oil tank with multiple oil chambers

The present invention relates to a lubricating device for linear slide rails; in particular, it refers to an innovative structure of a self-lubricating oil tank with multiple oil chambers.

Linear slide rail is a linear guide mechanism widely used in various machines and equipment. In order to improve the precision and smoothness of linear slide rails, sufficient lubrication must be provided to reduce the friction between linear slide rail rolling elements and slide rails, so that The linear slide rail runs smoothly without compromising the service life.

The M318696 patent document discloses a "lubricating device with dust-proof function", which is sleeved on the slide rail of the linear slide rail and is connected to the sliding block provided on the slide rail.

The lubrication device includes a tank body, an oil quantity control sheet, a dust-proof coating sheet and a tank cover, wherein an oil tank for storing lubricating oil is arranged inside the tank body, and two vertical ㄇ-shaped spaces are formed inside the tank body, each The ㄇ-shaped spaces are arranged side by side with each other, and each ㄇ-shaped space is communicated with each other by a horizontal communication hole. Among them, one of the ㄇ-shaped spaces is an oil groove for accommodating lubricating oil, and the other ㄇ-shaped space An anti-dust smear piece is set upright inside, and an oil quantity control piece is arranged upright between two parallel ㄇ-shaped spaces. The oil quantity control piece laterally separates the lubricating oil in the oil groove and the dustproof smear piece. The communicating hole Transversely penetrates the oil quantity control sheet, the communication hole is located at a part close to the central area of the oil quantity control sheet, so that the lubricating oil in the oil groove flows laterally through the communication hole to the dustproof smear sheet, and the oil quantity control sheet utilizes the The height of the communicating hole restricts the flow of lubricating oil, and the groove cover is vertically arranged on the outside of the dust-proof smear sheet and connected with the groove body.

The lubricating device utilizes the oil quantity control sheet set upright to separate the lubricating oil contained in the oil groove from the dust-proof smear sheet laterally, and uses the communicating hole to make the lubricating oil flow from the oil groove to the dust-proof smear sheet, and the dust-proof smear The sheet contacts the slide rail, and while applying lubricating oil to the slide rail, remove dust and foreign matter on the surface of the slide rail.

It is found that the aforementioned conventional lubricating device still has the following problems and shortcomings in practical application experience: the lubricating oil flows from the oil groove laterally through the communicating hole to the dust-proof coating sheet, when the slider and the slide rail do not move relatively When the anti-dust coating sheet and the slide rail are in a relatively stopped state, the lubricating oil continues to flow from the anti-dust coating sheet to the slide rail, and the lubricating oil in the oil groove continues to replenish the anti-dust coating sheet with lubricating oil. Of improper leakage.

Furthermore, as the lubricating oil flows from the oil groove to the dust-proof coating sheet, the liquid level of the lubricating oil in the oil groove also gradually drops, and the oil quantity control plate arranged upright will be located in the oil groove on both sides of the oil quantity control plate. It is laterally separated from the dust-proof smear. When the liquid level of the lubricating oil is lower than the communicating hole, the dust-proof smear can no longer obtain lubricating oil from the communicating hole, making it difficult to make full use of the lubricating oil in the oil groove, even if it can By replenishing the oil tank with lubricating oil, the liquid level of the lubricating oil rises higher than the communicating hole, and the mechanism of supplying lubricating oil to the dust-proof coating sheet is restored. The qualitative change caused by the oil groove affects the reliability of lubrication.

The main purpose of the present invention is to provide a self-lubricating oil with multiple oil chambers The technical problem that it wants to solve is to think about how to develop a new type of self-lubricating oil tank that can improve the reliability of lubrication and have more ideal practicability.

Based on the foregoing objective, the technical feature of the present invention to solve the problem is mainly that the self-lubricating oil tank with multiple oil chambers is attached to a slide rail of the linear slide rail and connected with the sliding block of the linear slide rail. Accordingly, the When the sliding block and the sliding rail move relative to each other, the self-lubricating oil tank provides lubrication to the sliding rail; the self-lubricating oil tank includes an oil tank and two oil application parts, and the oil tank forms an upper oil chamber for containing lubricating oil and At least a lower oil chamber, the lower oil chamber is arranged below the upper oil chamber, the bottom edge of the upper oil chamber is provided with at least one passage, and the upper oil chamber communicates with the lower oil chamber through the passage, so that the upper oil chamber The lubricating oil of the part enters the lower oil chamber through the passage downward, and the oil tank is provided with at least two through holes opposite to the surface of the slide rail, and each through hole is respectively communicated with the lower oil chamber;

Each of the oil application parts is respectively arranged in the lower oil chamber to absorb lubricating oil accordingly, and each of the oil application parts respectively extends to each of the through holes to form at least one application part, so that each of the oil application parts is respectively provided by each of the application parts Apply lubricant to the slide rail.

The main effect and advantage of the present invention is that it can make the upper oil chamber form a slight negative pressure state, thereby improving the utilization rate of lubricating oil, and avoiding part of the lubricating oil inside the upper oil chamber from staying for a long time, thereby improving the lubrication Reliability.

The figures shown in the figures are the preferred embodiments of the self-lubricating oil tank with multiple oil chambers of the present invention, but these embodiments are for illustrative purposes only, and are not limited by this structure in the patent application.

As shown in Figure 1, the self-lubricating oil tank 2 with multiple oil chambers of the present invention is arranged on a slide rail 12 of the linear slide rail 1, and is connected to a sliding block 14 of the linear slide rail 1. Accordingly, the When the sliding block 14 moves relative to the sliding rail 12, the self-lubricating oil tank 2 provides lubrication to the sliding rail 12.

As shown in Figures 1 to 4, in this example, the self-lubricating fuel tank 2 includes a fuel tank 20 and two oil application parts 30, wherein the fuel tank 20 is mainly composed of a tank body 21 and a tank cover 22 connected together, the fuel tank An upper oil chamber 23 and two lower oil chambers 24 for accommodating the lubricating oil 3 are formed inside the 20. The lower oil chambers 24 are respectively arranged below the upper oil chamber 23, and the lower oil chambers 24 are laterally opposite to each other. The bottom edge of the upper oil chamber 23 is provided with two passages 25. The upper oil chamber 23 communicates with each of the lower oil chambers 24 through each of the passages 25, so that the lubricating oil 3 inside the upper oil chamber 23 downwards Each of the lower oil chambers 24 is entered through each of the passages 25. The oil tank 20 is provided with at least two through holes 26 opposite to the surface of the sliding rail 12, and each of the through holes 26 is respectively communicated with each of the lower oil chambers 24.

Furthermore, the number of the lower oil chambers 24 can be increased or decreased as needed, but limited to at least one of the lower oil chambers 24, the number of channels 25 can be changed in accordance with the number of the lower oil chambers 24, but each The lower oil chamber 24 is connected to the upper oil chamber by at least one channel 25 The oil chamber 23 is limited.

Each of the oil application members 30 is respectively disposed in each of the lower oil chambers 24 to absorb the lubricating oil 3, and each of the oil application members 30 respectively extends to each of the through holes 26 to form at least one application portion 32, so that each of the oil applications The parts 30 respectively apply lubricant 3 to the slide rail 12 through each of the application portions 32, and each of the oil application parts 30 may be formed of a high-density fiber body.

The upper oil chamber 23 is further provided with two stoppers 27, and each stop 27 is adjacent to each channel 25 up and down, thereby delaying the entry of lubricating oil 3 from the upper oil chamber 23 into the lower oil chamber 24 and the air flow Each of the lower oil chambers 24 enters the upper oil chamber 23. The upper oil chamber 23 is provided with an oil transmission member 40 inside. The oil transmission member 40 is adjacent to the inner edge of the upper oil chamber 23, and the oil transmission member 40 passes through each Between the stop 27 and each of the passages 25, the oil transfer member 40 is provided with two embedding portions 42, and each of the embedding portions 42 is respectively embedded in each of the passages 25 to transmit the lubricating oil 3 of the upper oil chamber 23 accordingly. Move slowly to the lower oil chamber 24; the oil transfer member 40 can be made of high-density fiber body.

Each of the lower oil chambers 24 is further provided with an oil-containing structure 50, and each of the oil-containing structures 50 is in lateral contact with each of the oil application members 30, so that each of the oil-containing structures 50 absorbs the lubricating oil 3 and applies oil to each The piece 30 supplies the lubricating oil 3; the oil-containing structure 50 can be made of a high-density fiber body.

The number of the oil-containing structure 50 can be changed according to the number of the lower oil chamber 24, but is limited to at least one oil-containing structure 50. When the number of the oil-containing structure 50 is selected to match the number of the lower oil chamber 24 to one, The specific shape of the oil-bearing structure 50 can be changed as needed, and is not limited by the shape shown in the drawings, so that the oil-bearing structure 50 is in lateral contact with each of the oil application parts 30, and the change of the specific shape of the oil-bearing structure 50 is based on this Description of the invention Replacement that can be easily imagined.

The oil tank 20 is provided with two oil injection holes 28 communicating with the oil upper chamber 23, and the oil The chamber 23 communicates with the outside through each of the oil injection holes 28, according to which any one of the oil injection holes is selected 28 or each of the oil holes 28 injects lubricating oil 3 into the upper oil chamber 23, and each of the oil holes 28 is respectively plugged with a leakage stop plug 29, and each of the oil holes 28 is closed accordingly; the number of the oil holes 28 may be required The increase or decrease is limited to at least one oil injection hole 28, and the number of the stop plug 29 matches the increase or decrease of the oil injection hole 28.

With the above-mentioned structural composition and technical features, the lubricating oil 3 passes downward from the upper oil chamber 23 through the passage 25 and moves toward each of the lower oil chambers 24, and each of the oil application parts 30 and each of the oil-containing structures 50 absorb When the lubricating oil 3 moves to each of the lower oil chambers 24, air enters the upper oil chamber 23 through the passage 25. When the slider 14 and the slide rail 12 are not relatively moved, each of the oil application parts 30 and the slide rail 12 form a relatively static state, because the outside air must pass through each of the oiling parts 30 and each of the passages 25 to enter the upper oil chamber 23, and each of the stoppers 27 are adjacent to each of the passages 25 up and down. The structure of the space makes each block 27 block the upward movement of the air entering the upper oil chamber 23, and change the direction of air movement, which relatively delays the passage of the lubricating oil 3 from the upper oil chamber 23 The speed at which the air enters each lower oil chamber 24 and the air enters the upper oil chamber 23 from each lower oil chamber 24, the upper oil chamber 23 forms a slight negative pressure state, so that the lubricating oil 3 in the upper oil chamber 23 slows down The ground moves toward the oil application member 30, resulting in an extremely low oil output of the oil application member 30, which improves the utilization rate of the lubricating oil 3 when the slider 14 and the slide rail 12 are not relatively actuated.

The present embodiment further absorbs the lubricating oil 3 inside the upper oil chamber 23 by the oil transfer member 40, and the embedding portions 42 of the oil transfer member 40 are respectively embedded in the channels 25, and the lubricating oil 3 passes through the When the oil element 40 moves to each of the lower oil chambers 24, the outside air must pass through the oil application element 30 and the oil transfer element 40 to enter the upper oil chamber 23, and accordingly, the lubricating oil 3 and the air in the upper oil chamber When flowing between 23 and the lower oil chamber 24, the lubricating oil 3 and air are forced to pass through the oil transfer member 40, which further slows down the speed of air entering the upper oil chamber 23, and further improves the slider 14 and the lower oil chamber. The utilization rate of the lubricating oil 3 when the slide rail 12 is not relatively actuated. Furthermore, when the oil transfer member 40 is made of a high-density fiber body, the lubricating oil 3 and air must pass through the fiber structure of the oil transfer member 40. The gap between the lubricating oil 3 and the air flowing between the upper oil chamber 23 and the lower oil chamber 24 is increased, and the air entering the upper oil chamber 23 and the lubricating oil 3 entering the lower oil chambers can be significantly delayed. The speed of the oil chamber 24.

When the sliding block 14 and the sliding rail 12 change from being relatively stationary to being relatively actuated, the lubricating oil 3 contained in each of the oil application parts 30 is applied to the sliding rail 12 by the application portion 32, so that each of the oil application parts The saturation of 30 containing lubricating oil 3 will drop to a large extent in a short period of time. At this time, except for the oil transfer member 40 to transfer the lubricating oil 3 in the upper oil chamber 23 to each of the lower oil chambers 24, Since the oil saturation of each oil-containing structure 50 is relatively higher than that of each oil-coating member 30, each of the oil-containing structures 50 can immediately provide supplementary lubricating oil 3 to each oil-coating member 30 whose oil saturation has decreased. Maintain the effectiveness and reliability of lubrication.

As the lubricating oil 3 flows from the upper oil chamber 23 to each of the lower oil chambers 24, the liquid level of the lubricating oil 3 inside the upper oil chamber 23 also gradually drops, because each of the lower oil chambers 24 are respectively provided in the upper oil chamber 23 The passages 25 of the upper oil chamber 23 communicating with the lower oil chambers 24 are respectively located at the bottom of the upper oil chamber 23. Therefore, there is no occurrence of the lubricating oil 3 inside the upper oil chamber 23 from being unable to flow to the respective lower oil chambers. In the lower oil chamber 24, a residual problem is formed. Even if the lubricating oil 3 in the upper oil chamber 23 is not used up, the upper oil chamber 23 is replenished with lubricating oil 3, and the lubricating oil existing in the upper oil chamber 23 3 In the space at the bottom of the upper oil chamber 23, the newly added lubricating oil 3 is located above the existing lubricating oil 3 to avoid long-term retention of part of the lubricating oil 3 in the upper oil chamber 23, thereby improving the reliability of lubrication .

Linear slide 　 1 Slide rail 　　　 12 Slider 　　　14 Self-lubricating oil tank　 2 Fuel tank　　　20 Box 　　　21 Box cover 　　　22 Oiling room　　23 Lower oil chamber　　24 Channel 　　　25 Through hole 　　　26 Stop 　　　27 Oil filling hole 　　28 Anti-drain embolism 　29 Oiled parts 　　 30 Smear part　　32 Oil transfer part 　　 40 Embedded part 　　　42 Oil-bearing structure 　 50 Lubricant 　 　３

Fig. 1 illustrates a perspective view of two preferred embodiments of the present invention arranged on a linear slide. Figure 2 is a perspective view of a preferred embodiment of the present invention. Figure 3 is an exploded perspective view of the preferred embodiment of the present invention. Figure 4 is a front view of the preferred embodiment of the present invention with the tank cover removed, and shows the state with lubricating oil.

Self-lubricating oil tank　 2 Fuel tank　　　20 Box 　　　21 Box cover 　　　22 Oiling room　　23 Lower oil chamber　　24 Channel 　　　25 Through hole 　　　26 Stop 　　　27 Oil filling hole 　　28 Anti-drain embolism 　29 Oiled parts 　　 30 Smear part　　32 Oil transfer part 　　 40 Embedded part 　　　42 Oil-bearing structure 　 50

Claims (9)

A self-lubricating oil tank with multiple oil chambers. The self-lubricating oil tank is attached to a slide rail of the linear slide rail and is connected to the sliding block of the linear slide rail. Accordingly, when the slide block moves relative to the slide rail , The self-lubricating oil tank provides lubrication to the sliding rail; the self-lubricating oil tank includes: an oil tank, an upper oil chamber and at least a lower oil chamber for accommodating lubricating oil are formed in the oil tank, and the lower oil chamber is provided in the upper oil Below the chamber, the bottom edge of the upper oil chamber is provided with at least one passage, and the upper oil chamber communicates with the lower oil chamber through the passage, so that the lubricating oil inside the upper oil chamber enters the lower oil chamber downward through the passage , The fuel tank is provided with at least two through holes opposite to the surface of the slide rail, and each through hole is respectively communicated with the lower oil chamber; and two oil application parts, each of which is respectively arranged in the lower oil chamber, accordingly To absorb lubricating oil, each of the oil application parts respectively extends to each of the through holes to form at least one application part, so that each of the oil application parts applies lubricant to the sliding rail through each of the application parts; the lower oil chamber is provided with At least one oil-containing structure, the oil-containing structure is in lateral contact with each of the oil application parts, and the oil-containing structure absorbs the lubricating oil and supplies the lubricating oil to each of the oil application parts. The self-lubricating oil tank with multiple oil chambers as described in item 1 of the scope of patent application, wherein the upper oil chamber is provided with at least one stopper in cooperation with the passage, and the stopper is adjacent to the passage up and down, thereby delaying the flow of lubricating oil The upper oil chamber enters the lower oil chamber and air enters the upper oil chamber from the lower oil chamber. The self-lubricating oil tank with multiple oil chambers as described in item 2 of the scope of patent application, wherein an oil transfer member is arranged inside the upper oil chamber, the oil transfer member is adjacent to the inner edge of the upper oil chamber, and the oil transfer member passes Between the stopper and the passage, the oil transfer member is provided with at least one embedding part in cooperation with the passage, The embedding part is embedded in the passage, and accordingly the lubricating oil in the upper oil chamber is transmitted to the lower oil chamber to move slowly. The self-lubricating oil tank with multiple oil chambers as described in item 1 of the scope of patent application, wherein the oil tank is provided with at least one oil injection hole to communicate with the upper oil chamber, and the upper oil chamber communicates with the outside through the oil injection hole, thereby passing The oil injection hole injects lubricating oil into the oil chamber, and the oil injection hole plug is provided with a leakage stop plug, thereby sealing the oil injection hole. The self-lubricating oil tank with multiple oil chambers as described in item 1 of the scope of patent application, wherein the oil tank is mainly composed of a tank body and a tank cover connected together. A self-lubricating oil tank with multiple oil chambers. The self-lubricating oil tank is attached to a slide rail of the linear slide rail and is connected to the sliding block of the linear slide rail. Accordingly, when the slide block moves relative to the slide rail , The self-lubricating oil tank provides lubrication to the sliding rail; the self-lubricating oil tank includes: an oil tank, an upper oil chamber and at least a lower oil chamber for accommodating lubricating oil are formed in the oil tank, and the lower oil chamber is provided in the upper oil Below the chamber, the bottom edge of the upper oil chamber is provided with at least one passage, and the upper oil chamber communicates with the lower oil chamber through the passage, so that the lubricating oil inside the upper oil chamber enters the lower oil chamber downward through the passage , The fuel tank is provided with at least two through holes opposite to the surface of the slide rail, and each through hole is respectively communicated with the lower oil chamber; and two oil application parts, each of which is respectively arranged in the lower oil chamber, accordingly To absorb lubricating oil, each of the oil application parts respectively extends to each of the through holes to form at least one application part, so that each of the oil application parts applies lubricant to the sliding rail through each of the application parts; the lower oil chamber is provided with At least one oil-containing structure, the oil-containing structure is in lateral contact with each of the oil application parts, and the oil-containing structure absorbs the lubricating oil and supplies the lubricating oil to each of the oil application parts; At least one stopper is provided in the upper oil chamber to cooperate with the passage. The stopper is adjacent to the passage up and down, thereby delaying lubricating oil from entering the lower oil chamber from the upper oil chamber and air entering the upper oil chamber from the lower oil chamber room. The self-lubricating oil tank with multiple oil chambers as described in item 6 of the scope of patent application, wherein an oil transfer member is arranged inside the upper oil chamber, and the oil transfer member is adjacent to the inner edge of the upper oil chamber, and the oil transfer member passes Between the stopper and the passage, the oil transfer member is provided with at least one embedding part in cooperation with the passage, and the embedding part is embedded in the passage, and accordingly the lubricating oil in the upper oil chamber is transferred to the lower oil chamber slowly . The self-lubricating oil tank with multiple oil chambers as described in item 6 of the scope of patent application, wherein the oil tank is provided with at least one oil injection hole to communicate with the upper oil chamber, and the upper oil chamber communicates with the outside through the oil injection hole, thereby passing through The oil injection hole injects lubricating oil into the oil chamber, and the oil injection hole plug is provided with a leakage stop plug, thereby sealing the oil injection hole. The self-lubricating oil tank with multiple oil chambers as described in item 6 of the scope of patent application, wherein the oil tank is mainly composed of a tank body and a tank cover connected together.

Images