JPH08312889A - Oil storing vessel - Google Patents

Abstract

PURPOSE: To supply quantities of grease in a short time, by providing a grease intake part, being communicated with a grease filling space and detachably connectable to a grease supply source via a counterflow prevention device, on a barrel part. CONSTITUTION: Both the end opening parts of the cylindrically formed barrel part 2 of an oil storing vessel 1, are closed by covers 3 and 4. A disklike piston 5, movable in the axis direction of the barrel part 2, is fitted into the inside of the barrel part 2. A grease filling space 7 is formed between the piston 5 and one side cover 3. Also, a compressed coil spring 8, being extensible and retractable in the axis direction of the barrel part 2 and energizing the piston 5 in the direction of one side cover 3, is provided between the piston 5 and the other side cover 4. A grease intake part 14, communicated with the space 7 and being detachably connectable to a manual lever type grease gun 41 (a grease supply source) via a check valve (a counterflow prevention device), is provided on the barrel part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an oil storage device used when it is necessary to urgently supply a large amount of grease during a greasing operation.

[0002]

2. Description of the Related Art Conventionally, a grease lever 41 of a manual lever type as shown in FIGS. 3 and 4 is generally used for greasing work. That is, the body 42 of this grease gun 41
Is composed of an oil cylinder 43, and a head cover 44 and an end cover 45 that close both ends of the oil cylinder 43. A bellows-like compressible grease cartridge 46 is housed in the oil cylinder 43, and the tip of the grease cartridge 46 is screwed into and connected to a connecting portion 47 provided in the head cover 44. A piston 48 is in contact with the end of the grease cartridge 46, and the piston 48 is pressed toward the head cover 44 by a compression coil spring 49. In addition, the head cover 44 has a manual lever
A discharge pump 51 operated by 50 is provided. A grease discharge port 52 is formed in the discharge pump 51, and a grease hose 53 is connected to the grease discharge port 52.

According to this, by operating the manual lever 50, the discharge pump 51 operates, and the grease is discharged from the grease cartridge 46 through the grease discharge port 52 and the tip of the grease hose 53. The use of such a manual lever type grease gun 41 requires only one operation of the manual lever 50.
Since the amount of grease discharged per time is small, it was effective in the case of a small amount of grease injection work. In addition, the manual lever type grease gun 41 has features that it is convenient to carry and inexpensive.

[0004]

However, in the above-mentioned conventional type, when a large amount of grease is supplied, the grease lever 41 of the manual lever type requires a long time, so that there is a problem that it cannot be done in an emergency.

The present invention solves the above problems, and an object of the present invention is to provide an oil storage device capable of supplying a large amount of grease in a short time.

[0006]

In order to solve the above-mentioned problems, an oil accumulator according to the first aspect of the present invention is configured so that both end openings of a tubular body portion are closed with a cover, and A piston that is movable in the axial direction of the part is inserted, a grease filling space is formed between this piston and one cover, and the body is communicated with the grease filling space and grease is applied via a backflow prevention device. A grease intake part that can be detachably connected to the supply source is provided, a grease discharge part is provided on the one cover, a stop valve is provided on the grease discharge part, and the body part is provided between the other cover and the piston. The urging means is extensible in the axial direction and urges the piston toward one of the covers.

The oil reservoir according to the second aspect of the present invention uses a manual lever type grease gun as a grease supply source.

[0008]

According to the structure of the first aspect of the present invention described above, before carrying out the greasing work, the grease is previously filled in the oil accumulator from the grease supply source. That is, by connecting the grease intake part to the grease supply source via the backflow prevention device,
The grease supplied from the grease supply source is filled in the grease filling space through the grease intake portion. At this time, the piston filled in the grease filling space pushes the piston toward the other cover, and the biasing means is compressed.
As a result, the piston moves in the direction of the other cover against the biasing force of the biasing means, and the grease is filled in the oil reservoir. At this time, the backflow prevention device prevents a problem that the grease in the oil reservoir flows back to the grease supply source side.

When performing the greasing work, by opening the stop valve, the grease filled in the oil reservoir is pushed by the piston by the urging force of the urging means, and the grease is discharged from the grease discharge portion at once. Is discharged. In this way, the grease is filled in advance inside the oil reservoir, and after that, during greasing work, a large amount of grease can be replenished from the oil reservoir in a short time. It is possible to greasy.

Further, if a plurality of oil reservoirs are preliminarily filled with grease from the grease supply source and these oil reservoirs are detached from the grease supply source and prepared as a spare, the efficiency of greasing work is further improved. To do.

According to the second aspect of the present invention, since the grease lever of the manual lever type is used as the grease supply source, it is possible to refill the empty oil reservoir from the grease gun with grease at the work site. Work efficiency is good because it can be done during free time such as during hours. Also, the overall cost can be reduced. Further, since the manual lever type grease gun is convenient to carry, it is easy to move on the work site and the working range using the oil storage device is widened.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Reference numeral 1 is an oil reservoir, and the opening portions at both ends of a barrel portion 2 formed in a tubular shape are closed by covers 3 and 4. A disc-shaped piston 5 that is movable in the axial direction of the body 2 is fitted inside the body 2. An O-ring 6 that seals between the inner peripheral surface of the body 2 and the outer peripheral surface of the piston 5 is attached to the outer peripheral portion of the piston 5.

A grease filling space 7 is formed between the piston 5 and the one cover 3. Further, between the piston 5 and the other cover 4, a compression coil spring 8 (extendable in the axial direction of the body portion 2 and urging the piston 5 toward the one cover 3 is provided. One case)
Is provided. That is, a cylindrical spring receiver 9 is provided on each of the surfaces of the piston 5 and the other cover 4 which face each other, and the end of the compression coil spring 8 has a spring receiver 9 of the piston 5 and a spring of the other cover 4. It is fitted in and supported by the receiver 9. Further, the other cover 4 is formed with an air vent hole 10 that communicates with the inside and outside of the body 2.

A manual lever type grease gun 41 (an example of a grease supply source) is detachably attached to the body 2 through a check valve 12 (an example of a backflow prevention device) which communicates with the grease filling space 7. A connectable grease intake portion 14 is provided. That is, the grease intake portion 14 includes a grease intake port 15 formed in the body portion 2 and opening to the grease filling space 7,
Grease intake pipe 16 with one end connected to grease intake 15
It is composed of The other end of the grease intake pipe 16 is detachably connected to the grease discharge port 52 of the grease gun 41. The check valve 12 is provided to prevent the reverse flow of grease from the reservoir 1 side to the grease gun 41 side, and is provided in the middle of the grease intake pipe 16.
The manual lever type grease gun 41 has the same structure as that of the conventional example shown in FIGS.

The grease discharge portion 19 is provided on the cover 3 on one side.
Is provided. The grease discharge portion 19 is composed of a grease discharge port 20 formed in the one cover 3 and opening to the grease filling space 7, and a grease discharge pipe 21 connected to the grease discharge port 20. A check valve 22 for preventing the reverse flow of grease to the oil reservoir 1 side and a stop valve 23 located downstream of the check valve 22 are provided in the middle of the grease discharge pipe 21. There is.

A drain drain pipe 24 communicating with the grease filling space 7 to the outside is provided in the body portion 2, and a drain drain valve 25 is attached to the tip of the drain drain pipe 24. The operation of the above configuration will be described below.

Before carrying out the greasing work, grease is filled in the oil reservoir 1 from the manual lever type grease gun 41 in advance. That is, the other end of the grease intake pipe 16 is connected to the grease discharge port 52, and the manual lever 50 is operated to discharge the grease from the grease discharge port 52 of the grease gun 41.

The grease discharged from the grease discharge port 52 is filled in the grease filling space 7 through the grease intake pipe 16 and the grease intake port 15. At this time, the piston 5 is pushed toward the other cover 4 by the grease filled in the grease filling space 7, and the compression coil spring 8 is compressed. As a result, as shown by the phantom line in FIG.
The piston 5 moves in the direction of the other cover 4 against the biasing force of the compression coil spring 8 and the grease is filled in the oil reservoir 1. At this time, the check valve 12 prevents the grease filled in the grease filling space 7 from flowing backward to the grease gun 41 side.

When performing the greasing work, the stop valve 23 is opened so that the grease filled in the oil reservoir 1 is compressed by the urging force of the compression coil spring 8.
It is pushed by and is discharged all at once from the grease discharge port 20 through the grease discharge pipe 21. At this time, the check valve 22 prevents the grease from backflowing inside the grease discharge pipe 21 toward the reservoir 1.

As described above, the grease is filled in the oil reservoir 1 in advance, and after that, a large amount of grease can be fed from the oil reservoir 1 in a short time during the greasing work. It is possible to replenish a large amount of grease. Further, by opening the drain drain valve 25 with the grease emptied, impurities such as water mixed in the body portion 2 can be drained to the outside.

Further, as shown in FIG. 1, a plurality of oil reservoirs 1 are preliminarily filled with grease by using a grease lever 41 of a manual lever type, and these oil reservoirs 1 are removed from the grease gun 41 to be a spare. If prepared as, the efficiency of greasing work is further improved.

In the above embodiment, since the manual lever type grease gun 41 is used as an example of the grease supply source, it is necessary to refill the empty oil reservoir 1 from the grease gun 41 with grease at the work site. Work efficiency is good because it can be done during free time such as inside. Also, the overall cost can be reduced. In addition, a manual lever-type grease gun
Since 41 is convenient to carry, it is easy to move around at the work site, and the working range using the oil reservoir 1 is widened.

Although the manual lever type grease gun 41 is used as an example of the grease supply source in the above embodiment, an electric type grease gun may be used. Further, the compression coil spring 8 is used as an example of the urging means of the piston 5, but a cylinder is used as this, or compressed air is supplied to and exhausted from the space between the piston 5 and the other cover 4. A device may be used.

[0024]

As described above, according to the first aspect of the present invention, when performing the greasing work, the grease is previously filled in the oil storage from the grease supply source. That is, by connecting the grease intake part to the grease supply source via the backflow prevention device, the grease supplied from the grease supply source is filled into the grease filling space via the grease intake part. At this time, the piston moves in the direction of the other cover against the urging force of the urging means, and the grease is filled in the oil reservoir. Further, the problem that the grease in the oil reservoir flows back to the grease supply source side is prevented by the backflow prevention device.

When performing the greasing work, by opening the stop valve, the grease filled in the oil reservoir is pushed by the piston by the urging force of the urging means, and the grease is discharged from the grease discharge portion at once. Is discharged. In this way, the grease is filled in advance inside the oil reservoir, and after that, during greasing work, a large amount of grease can be replenished from the oil reservoir in a short time. It is possible to greasy.

If a plurality of oil reservoirs are preliminarily filled with grease from the grease supply source and these oil reservoirs are removed from the grease supply source and prepared as a spare, the efficiency of greasing work is further improved. To do.

According to the second aspect of the present invention, since the grease lever of the manual lever type is used as the grease supply source, it is necessary to refill the empty oil reservoir from the grease gun at the work site during the traveling time. Work efficiency is good because it can be done during free time. Also, the overall cost can be reduced. Further, since the manual lever type grease gun is convenient to carry, it is easy to move on the work site and the working range using the oil storage device is widened.

[Brief description of drawings]

FIG. 1 is a sectional view of an oil storage device according to an embodiment of the present invention.

FIG. 2 is a side view of an oil storage device connected to a grease gun and a backup oil storage device.

FIG. 3 is a side view of a grease gun generally used in a conventional greasing operation.

FIG. 4 is a sectional view of the grease gun.

[Explanation of symbols]

 1 Oil reservoir 2 Body 3,4 Cover 5 Piston 7 Grease filling space 8 Compression coil spring (biasing means) 12 Check valve (backflow prevention device) 14 Grease intake 19 Grease discharge 23 Stop valve 41 Grease gun ( Grease supply source)

Claims (2)

[Claims] 1. A cylindrical body having both ends opened with a cover, and a piston movable in the axial direction of the body is fitted into the body, and the piston and one cover are connected to each other. A grease filling space is formed between, and the body is provided with a grease intake portion that communicates with the grease filling space and is detachably connectable to a grease supply source via a backflow prevention device,
A grease discharge part is provided on the one cover, and a stop valve is provided on the grease discharge part, and the piston is extendable and retractable in the axial direction of the body part between the other cover and the piston in the direction of the one cover. An oil accumulator characterized in that it is provided with a biasing means for biasing to. 2. The oil accumulator according to claim 1, wherein a grease lever of a manual lever type is used as a grease supply source.