JPH07269786A - Gas generating type automatic oiler - Google Patents

Abstract

PURPOSE:To ensure oiling operation so as to improve profitability, in a gas generating type automatic oiler for continuously oiling in a bearing and the lie by utilizing pressure of gas generated by throwing a pellet in electrolyte. CONSTITUTION:An oil maintaining bag 20 in which lubricating oil A is enclosed and a liquid maintaining bag 30 in which electrolyte B is enclosed are mounted in a disassembling/assembling type container 10. A pellet C is thrown from a throwing port 31 is provided on the liquid maintaining bag 30 into the electrolyte B by an user himself so as to prevent operation failure caused by throwing-in miss. It is thus possible to use new electrolyte B at the time of using. A piston is displaced from a position between the electrolyte B and the lubricating oil A so as to prevent oiling stop caused by operating failure of the piston.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas generation type automatic lubricator for continuously supplying oil to a bearing or the like by utilizing the pressure of gas generated by charging pellets into an electrolytic solution.

[0002]

2. Description of the Related Art Gas-generating automatic lubricators were developed in Germany and are sold worldwide under the trade name of perma. In Japan, Patent Nos. 502733, 1
Patent rights have been acquired by No. 020797 and No. 1667552. The structure is shown in FIG.

A conventional gas-generating type automatic lubricator has a structure in which a lubricating oil A such as grease, a piston 3, and an electrolytic solution B are stacked in this order from the bottom to the top in an airtight container 2 having an oil supply nozzle 1 at the bottom. It has become. The electrolytic solution B is held in the uppermost part of the airtight container 2 by a liquid holding bag 4 made of a gas permeable rubber material.

On the other hand, the pellet C is held in the starting screw 5, and the lid 7 can be removed by screwing the starting screw 5 into the screwing portion 6 provided on the upper surface of the airtight container 2 when the use is started. Then, the pellet C is put into the electrolytic solution B. As a result, gas is started to be generated from the electrolytic solution B, and the gas pressure causes the piston 3 to gradually descend, whereby the airtight container 2
The lubricating oil A therein is continuously discharged from the oil supply nozzle 1 to the outside of the container.

[0005]

This type of automatic lubricator is extremely excellent in principle, and at present, it is far superior to other types of automatic lubricators such as spring type or screw type in terms of performance. There is no such thing.

[0006] The first problem is that the gas generation is started by the start screw, so that it is not reliable. That is, if the user improperly operates the starting screw, the pellet may not be dropped into the electrolytic solution and gas may not be generated. Since the operation of the start screw is artificial, it is difficult to ensure a reliable operation even if the instruction manual is carefully noted. Dropping the pellets into the electrolyte is the basis of the refueling operation, and if this operation has any problems, proper performance cannot be obtained.

In order to most surely execute the dropping of pellets, it is desirable that the user directly puts the pellets into the electrolytic solution by himself / herself. Was impossible.

The second problem is deterioration of the electrolytic solution. In the conventional oil supply device, the electrolytic solution is sealed in the airtight container from the beginning, and if the oil supply device is stored for a long period of time, the effectiveness of the electrolytic solution decreases. The deterioration of the electrolytic solution changes the reaction rate, which seriously affects the supply of the lubricating oil. Therefore, it is impossible to stock for a long period of time, and after a certain period of time, it has to be disposed of, which is very economical.

In order to solve this problem, it is desirable to inject the electrolytic solution at the start of use, but this is also impossible because the conventional oil supply device is of a hermetically sealed type.

The third problem is malfunction of the piston 3 enclosed in the airtight container 2. In the conventional oil dispenser, since the outer peripheral surface of the piston 3 is in airtight contact with the inner peripheral surface of the airtight container 2 so that the generated gas does not escape below the piston 3, the movement of the piston 3 is essentially bad. for that reason,
Even if the airtight container 2 is slightly deformed, the piston 3 may stop in the middle of its operation, leading to a serious accident of refueling stoppage.

An object of the present invention is to provide a gas generating type automatic oiling machine which solves all of these problems by adopting a disassembled and assembled structure and omitting the piston as well.

[0012]

SUMMARY OF THE INVENTION An automatic gas generating oil dispenser according to the present invention includes a disassembling and assembling container having an oil supply nozzle at the bottom and a lower part of the container, in which lubricating oil is sealed. And an oil holding bag that contracts downward due to pressure from above and discharges the lubricating oil inside from the bottom to the outside,
A liquid holding bag is placed in the upper portion of the container in an overlapping manner on the oil holding bag, and an electrolyte solution that reacts with the pellets to generate gas is enclosed therein.

The liquid holding bag may be a non-expandable type that allows the gas generated inside to pass therethrough, or an inflatable type that does not allow the gas to pass therethrough.

[0014]

When the refueling is started, first, the oil holding bag and the liquid holding bag are put in the split assembly type container and the container is sealed. At this time, the user himself puts the pellets into the electrolytic solution in the liquid holding bag outside the container. Gas is generated by the reaction of the pellets put into the electrolytic solution with the electrolytic solution, and the gas pressure causes the oil-holding bag to contract downward, and the lubricating oil in the bag is gradually discharged from the oil supply nozzle at the bottom of the container. To be done.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a first embodiment of the present invention. The automatic lubricator according to the present embodiment includes a disassembled and assembled container 10 and a container 10
An oil holding bag 20 enclosed inside and a liquid holding bag 30 enclosed inside the container 10 directly over the oil holding bag 20 are supplied.

The container 10 comprises a cylindrical container body 11 whose lower portion is squeezed into a hemispherical shape, and a screw-type cap 12 which is attached to the upper end of the container body 11 and closes the opening thereof. An oil supply nozzle 13 is provided at the center of the bottom of the container body 11.

The oil holding bag 20 is made of a flexible film, and a lubricating oil A such as grease is sealed inside. The upper surface of the oil holding bag 20 is a flat surface, and the lower half part of the oil holding bag 20 is a hemispherical shape corresponding to the lower part of the container body 11 so that the outer peripheral surface closely contacts the inner peripheral surface of the container body 11. Is formed in. An oil supply port 21 that matches the oil supply nozzle 13 of the container body 11 is provided at the bottom of the oil holding bag 20.
The oil supply port 21 is closed by a plug (not shown) when the oil holding bag 20 is not used.

The liquid holding bag 30 is a flat bag which is placed on the oil holding bag 20, and the electrolytic solution B is enclosed therein. The electrolytic solution B is a liquid that reacts with the pellet C to generate gas, and the liquid holding bag 30 is made of a material that allows the gas to pass therethrough. At the center of the upper surface of the liquid holding bag 30, a charging port 31 for charging the pellet C into the bag is provided.
Is provided. The input port 31 is a screw-type stopper 32.
It is liquid-tightly sealed by.

To use the automatic lubricator of this embodiment, the container 10 is first disassembled. Next, the stopper that prevents the oil supply port 21 of the oil holding bag 20 is removed, and the oil holding bag 20 is set in the container body 11. Further, the user himself removes the plug 32 that prevents the charging port 31 of the liquid holding bag 30, puts the pellet C into the electrolytic solution B in the bag through the charging port 31, and then again plugs the charging port 31 with the plug 32. Close tightly. And
The liquid holding bag 30 is placed on the oil holding bag 20 and set in the container body 11, and the cap 12 is tightened to tightly close the container 1.
The inside of 0 is sealed.

Thus, the lubricating oil A, the electrolytic solution B and the pellets C are enclosed in the container 10.

When the electrolytic solution B reacts with the pellet C and gas is generated, the gas permeates the liquid holding bag 30 and presses the oil holding bag 20 therebelow. As a result, the oil holding bag 20 contracts downward, and the lubricating oil A therein is gradually discharged to the outside of the container 10 through the oil supply port 21 and the oil supply nozzle 13.

When the oil-holding bag 20 is sufficiently shrunk and oil supply is stopped, the container 10 is disassembled and the oil-holding bag 20 and the liquid-holding bag 30 are replaced. Thereby, the container 10 is repeatedly used.

In any use, since the pellet C is charged into the electrolytic solution B while the user himself / herself visually confirms it outside the container 10, there is no mistake in charging.

In order to increase the amount of oil supplied, a plurality of pellets C may be charged at the same time, but in that case as well, pellets can be charged easily and reliably.

Since the fresh electrolytic solution B is used each time it is used, there is no malfunction due to the deterioration of the electrolytic solution B, and it is not necessary to dispose of the oil filler due to the deterioration.

Since no piston is interposed between the lubricating oil A and the electrolytic solution B, reliable oil supply can be continued even if the container 10 is deformed.

Further, in this embodiment, since the lower portion of the container body 11 is formed in a hemispherical shape, when the oil holding bag 20 receives a pressure from above, the outer surface of the lower portion thereof becomes the inner surface of the lower portion of the container body 10. It is crimped. Therefore, there is no gas leakage from the oil supply nozzle 13 despite the structure in which the piston is omitted.

FIG. 2 shows a second embodiment of the present invention. This embodiment is different from the first embodiment in that the container body 11 and the oil holding bag 20 are provided in order to prevent gas leakage from the oil supply nozzle 13.
This is the point where and are integrated.

The oil-holding bag 20 has an open bottom, and its lower end is liquid-tightly joined to the upper surface of the bottom of the shallow-bottom type container body 11. The cap 12 is a bottom open container having a sufficient depth for accommodating the oil holding bag 20 and the liquid holding bag 30 inside.

That is, in terms of shape and operation, the cap 12
Serves as a container body, and the container body 11 is treated as a cap. When replacing the oil holding bag 20, the oil holding bag 20
Is replaced with the container body 11, and the container-shaped cap 12
Is used repeatedly.

FIG. 3 shows an embodiment of the present invention. The present embodiment differs from the first and second embodiments in that the lower part of the container holding the oil holding bag 20 and the upper part of the container holding the liquid holding bag 30 are provided by separate containers 10a and 10b. This is the point of composition.

The container 10a comprises a container body 14 for accommodating the oil holding bag 20 and a screw-in type cap 15 for preventing the opening thereof. As in the case of the first embodiment, the container body 14 has a hemispherical lower portion, and has an oil supply nozzle 13 at the center of the bottom. An opening 16 is provided in the center of the cap 15.

The container 10b comprises a container body 17 for accommodating the liquid holding bag 30 and a screw-in type cap 18 for preventing the opening thereof. At the center of the bottom of the container body 17, the opening 1
9 is provided. The openings 16 and 19 are connected by a flexible connecting pipe 40.

The other structure is the same as that of the first embodiment,
The same parts are given the same numbers and their explanations are omitted.

Since the automatic oil dispenser of this embodiment is a separate type in which the gas generating portion is separated and independent from the oil storage portion, in addition to the effects of the above embodiment, when the oil supply point is abnormally high or low. In addition, the gas generation reaction can be stably continued at an appropriate temperature. Further, when the refueling location is located in water or water, gas can be stably generated outside the location. Further, even when the refueling spot is small, this separate type automatic refueling machine is advantageous.

The gas pressure generated in the container 10b is controlled by the container 10
In order to efficiently transfer to the inside of the container a, the space continuing from the inside of the container 10b to the inside of the container 10a can be filled with the pressure transmitting medium D made of a liquid such as oil or a fluid substance.

FIG. 4 shows a fourth embodiment of the present invention. The oil dispenser of this embodiment is of the separate type as in the third embodiment. The greatest difference between the present embodiment and the third embodiment is that the cross-sectional area of the container 10a containing the oil holding bag 20 is larger than the cross-sectional area of the container 10b containing the liquid holding bag 30.

The oil holding bag 20 is integrated with the container body 14 of the container 10a, as in the second embodiment. In particular, since the oil retaining bag 20 is integrally molded with the resin container body 14, the lower portion of the oil holding bag 20 has a bellows-type contraction structure, and the upper portion of the oil holding bag 20 is prevented from being deformed so that the pressure receiving force from above is lower than the bellows structure. It has a hemispherical dome shape for efficient transmission.

In the fuel dispenser of this embodiment, the cross-sectional area of the container 10a is larger than that of the container 10b.
The gas pressure generated in b is amplified based on Pascal's principle and transmitted to the container 10a. Therefore, even when the oil holding bag 20 in the container 10a is unlikely to contract, the oil holding bag 20
By pushing down, the lubricating oil in the bag can be used without waste.

On the contrary, the cross-sectional area of the container 10a can be made smaller than that of the container 10b. In that case, the reduction amount of the oil holding bag 20 is amplified.

Such an amplification mechanism based on Pascal's principle can be applied not only to the separate type oil supply device but also to the integrated type oil supply device as in the first and second embodiments.

Further, the oil holding bag integrated with the container employed in the fourth embodiment can be applied to the integral type oil dispenser as in the first and second embodiments.

FIG. 5 shows a particularly desirable liquid holding bag 30.
This liquid holding bag 30 has a space 33 in the lower center of the flexible bag body, in which the electrolytic solution B does not enter. Space 33
Is formed by a trapezoidal seal member 34 joined to the center of the lower surface of the bag body, and contains the pellet C therein. An opening closed by a plug 35 is provided on the upper surface of the seal member 34.

At the center of the upper surface of the liquid holding bag 30, there is provided a projection 36 projecting into the bag toward the stopper 35. An injection hole 37 for injecting the electrolytic solution B into the bag is provided at the center of the protrusion 36. The injection hole 37 is completely sealed after the injection of the electrolytic solution B. Bag body and sealing member 34
As a material for the above, a transparent material that allows the inside to be seen through is desirable.

When using the liquid holding bag 30, the central portion of the upper surface is pushed downward. Then, the plug 36 is pushed by the protrusion 36 to come off downward, and the opening is opened. As a result, the electrolytic solution B flows into the space 33, and the pellet C is put into the electrolytic solution B. That is, the pellet C can be put into the electrolytic solution B in the bag without opening the liquid holding bag 30.

As a structure for communicating the space 33 with the electrolytic solution storage portion in the bag body, the sealing member 34 may have a thin upper surface and the projection 36 may pierce the thin portion.

Although the liquid holding bag 30 is made of a gas permeable material in the above-mentioned embodiment, it may be a gas impermeable expansion type. When the gas-impermeable expansion type is used, the liquid holding bag 30 directly presses the oil holding bag 20, and there is no concern about gas leakage from the oil supply nozzle 13 of the container 10. There is no need to take measures to bring the container 10 into close contact with or to integrate it.

[0049]

As described above, in the gas generating automatic lubricator of the present invention, the container is disassembled and assembled and the bag is filled with the lubricating oil and the electrolytic solution. Therefore, the following effects are achieved.

The user himself can put the pellets outside the container, and it is possible to prevent a malfunction due to a mistake in the putting. Since a new electrolyte can be used for use, malfunctions due to deterioration of the electrolyte can be prevented, and disposal of the fuel filler due to the deterioration is unnecessary. The container can be used repeatedly. Since the piston is not used, it is possible to prevent the poor lubrication due to the malfunction.

Therefore, the gas generating automatic lubricator of the present invention provides more reliable and stable lubrication than ever before and is very economical.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of the present invention.

FIG. 2 is a sectional view showing a second embodiment of the present invention.

FIG. 3 is a sectional view showing a third embodiment of the present invention.

FIG. 4 is a sectional view showing a fourth embodiment of the present invention.

FIG. 5 is a cross-sectional view showing another configuration of the liquid holding bag.

FIG. 6 is a partially cutaway side view showing the structure of a conventional oil dispenser.

[Explanation of symbols]

 10 Container 13 Refueling Nozzle 20 Oil Holding Bag 30 Liquid Holding Bag 40 Connection Pipe A Lubricating Oil B Electrolyte C Pellet

Claims (5)

[Claims] 1. A disassembling and assembling container having an oil supply nozzle at the bottom, and a container accommodated in the lower part of the container, in which lubricating oil is enclosed, and contracted downward by pressure from above to cause the bottom to contract. An oil holding bag for discharging the lubricating oil from the outside to the outside, and an oil solution bag that overlaps the oil holding bag and is housed in the upper part of the container, and an electrolyte solution that reacts with the pellets to generate gas is enclosed inside. A gas generation type automatic lubricator, comprising a liquid holding bag. 2. The liquid-holding bag is a permeable type that allows the gas generated inside to permeate to the outside, and the oil-holding bag underneath it is provided on the inner surface of the container so as to prevent the gas from leaking from the oil supply nozzle at the bottom of the container. The gas generating automatic lubricator according to claim 1, wherein the gas generating automatic lubricator is closely attached or integrated. 3. The container lower part for accommodating the oil holding bag and the container upper part for accommodating the liquid holding bag are independent disassembling and assembling containers, and the inside of each container is connected by a connecting pipe. The gas generating automatic lubricator according to claim 2. 4. The cross-sectional area of the lower portion of the container for containing the oil holding bag is larger or smaller than the cross-sectional area of the upper portion of the container for containing the liquid holding bag. Gas generation type automatic lubricator. 5. A flexible bag containing an electrolyte solution that reacts with the pellets to generate gas, and a space for containing the pellet that does not enter the electrolyte solution is formed on one side of the bag body and the other side. A liquid-retaining bag, further comprising a protrusion for communicating the space with the electrolytic solution storage portion in the bag body when the bag body is pushed and deformed.