KR101126628B1 - Valve device for supplying lubricant - Google Patents

Abstract

The valve mechanism for lubricating oil supply according to the present invention includes a metering toilet for metering and supplying lubricating oil introduced with a metering valve piston, and a supply valve piston, wherein the lubricating oil is introduced into the metering chamber and discharged from the metering chamber. A valve block configured to supply a supply chamber for changing a flow path; A base manifold in which a plurality of valve blocks may be installed, and two discharge ports through which lubricating oil supplied from a supply valve of the valve block is discharged correspond to respective valve blocks; And a blocking member configured to selectively block the connection flow path between the two discharge ports so that the lubricant oil is discharged through only one of the two discharge ports.

Lubricant, valve mechanism, valve block, base manifold, discharge port, connecting flow path, blocking member

Description

Valve device for supplying lubricant

The present invention relates to a lubricating oil supply valve mechanism, and more particularly, to a lubricating oil supply valve mechanism having an improved structure so as to smoothly respond to an oil supply capacity required for a lubrication point.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a lubricating oil supply valve mechanism used in a double pipe type lubricating device in a general lubricating oil supply valve mechanism.

Referring to the drawings, the lubricating oil supply valve mechanism is coupled to the metering valve piston 33 and the supply valve piston 35 to the distribution valve 40 that is the main body.

The metering rod piston 33 is coupled to the indicator rod 32 indicating the vertical movement, the indicator rod 32 is protected by the indicator rod housing 31.

The distribution valve 40 has four inlets 37 and 38, each of which is provided with lubricating oil, on the left and right sides thereof, respectively, and four lubricating oils are discharged through the internal piston operation. (41) (43) are formed in front and bottom of the distribution valve.

The discharge holes 39, 42, 41, 43 are discharge holes 42 located on the upper side of the two front surfaces, and discharge holes 39 located on the upper surface thereof are on the same flow path, and any one of them must be blocked. The discharge port 43 located at the lower side and the discharge port 41 located at the lower surface of the two are also on the same flow path, and one of them must be blocked.

On the other hand, the conventional two-piece centralized lubrication apparatus is largely as shown in the accompanying drawings, Figures 2 to 7 pumping device 20 and two first supply pipe 27 and the second supply pipe ( 28 is composed of a distribution valve 40 which is connected by the supply of fluid, the pumping device 20 is a tank 21 for storing lubricating oil, a pump 22 for pumping lubricating oil stored in the tank 21. ), The switching valve 24 for switching the flow direction of the fluid pumped from the pump 22, the pump 22 and the tank 21, the switching valve 24 is the pressure feed line 26 and the return line (25) Are each connected by

In addition, the distribution valve 40 is for supplying a fixed amount of fluid to the fluid supply points 50 and 52, and the flow rate adjusting screw 29 to measure the lubricant by limiting the protruding distance of the indicator rod 32; , The stop screw 30, the indicator rod housing 31 for accommodating the indicator rod 32, the metered piston piston 33 and the metered piston piston 33 which are connected in a straight line with the indicator rod 32 to supply the quantitative amount of the fluid by a predetermined amount. It is formed in the valve valve body 34, the valve valve chamber 34 and the supply valve chamber 36 that is connected to the metering valve chamber 34, the supply valve chamber (36) for changing the flow path is formed in the valve body, so as to position Supply ports 37 and 38 respectively connected to the first supply pipe 27 and the second supply pipe 28, and a plurality of discharge ports 39, 41, 42 and 43 provided on the valve body. It consists of the discharge ports 39 and 43 and the plugs 44 and 46 and 45 for blocking the intermediate flow path.

At this time, the fluid supply points 52 and 50 are connected to the oil supply pipes 48 and 47 from the discharge ports 41 and 42 of the distribution valve 40.

In the process of quantitatively distributing by the conventional two-piece intensive lubrication device, first, as shown in FIG. 2, the fluid pumped from the pump 22 to the switching valve 24 rides through the first supply pipe 27. When fluid is pumped to the supply port indicated by reference numeral "37" in the figure among the two supply ports 37 and 38 formed in the 40, the lower end of the supply chamber 36 while the supply valve piston 35 descends downward. The fluid remaining in the pump is returned to the tank (not shown) as it exits the supply port indicated by reference numeral 38 in the drawing, and the supply valve piston 35 is completely lowered as shown in FIG. When touching the bottom of the), the pressure acting on the supply port indicated by reference numeral "37" in the drawing acts on the upper end of the metering valve piston 33, the metering valve piston 33 is lowered.

At this time, the fluid filled in the lower end of the metering chamber 34 is discharged to the discharge port indicated by the reference numeral "41" in the figure and starts to be supplied to the fluid supply point 52 in the lower portion of the figure.

Since the metering valve piston 33 is completely lowered and can no longer be moved as shown in FIG. 4, the pressure of the discharge port indicated by the symbol “37” in the drawing is rapidly increased, and the switching valve 24 senses this pressure. 5 is switched to the same state as in FIG. 5.

In this case, the first supply main body 27 is a return line unlike the first time, the second supply main body 28 is changed to a pressure feeding line, the fluid is fed to the supply port indicated by the reference numeral "38" in the figure, the supply valve piston 35 is pushed up and pushes the fluid remaining in the upper end of the supply chamber 36 to the supply port indicated by reference numeral 37 in the figure.

Next, as shown in FIG. 6, when the supply valve piston 35 is fully raised to reach the upper side of the supply valve chamber 36 and stops, the pressure acting on the supply port indicated by reference numeral 38 in the figure is metered. It acts on the lower end of the mutant stone 33, the metering mutant piston 33 is raised.

At this time, the fluid filled in the upper end of the metering chamber 34 is discharged to the discharge port indicated by the reference numeral "42" in the figure and starts to be supplied to the fluid supply point 50 in the upper portion of the figure.

Next, when the indicator rod 32 connected to the metering piston 33 receives resistance by the flow adjusting screw 29, the movement of the metering piston 33 is stopped, and the quantitative supply of fluid is completed.

The valve mechanism as described above is the main cause of failure, which is the pinch of the piston for foreign matter. If any problem occurs after any one piston is installed, it is composed of one block. There is a problem to be taken, and there is a limitation in that it is difficult to form a metering piston of different oil supply capacity in one distribution valve due to problems in the manufacturing process and delivery management. Accordingly, there is a need to overcome such limitations.

The present invention has been made to solve the above problems, and an object thereof is to provide a lubricating oil supply valve mechanism whose structure is improved to smoothly cope with the oil supply capacity required for the lubrication point.

In order to achieve the above object, the valve mechanism for lubricating oil supply according to the present invention includes a metering toilet having a metering valve for quantitatively supplying lubricating oil by a set amount and forming oil chambers at the top and bottom of the metering piston; Two flow paths through which the lubricating oil is discharged are formed from upper and lower oil chambers of the weighing chamber, and a supply valve piston is provided to determine whether the metering piston is raised or lowered according to the rising or falling of the supply valve piston. A valve block configured to supply a supply chamber to which the flow path for discharging the lubricating oil is connected in accordance with the rising or falling of the transfiber stone; A base manifold in which a plurality of valve blocks can be installed, and for each of the valve blocks, two discharge ports for discharging the lubricating oil introduced from the supply chamber of the valve block are formed; And a blocking member configured to selectively block the connection flow path between the two discharge ports so that the lubricant oil is discharged through only one of the two discharge ports.

At this time, the valve block and the base manifold is preferably configured to be detachable from each other as a modular type.

According to a first preferred embodiment of the present invention, the base manifold is provided with a connection flow path for communicating the two discharge ports, and connects the supply chamber and the connection flow path through the valve block and the base manifold. Two outflow passages are formed, and the blocking member is preferably installed to selectively block between the portions communicating with the two outflow passages in the connection passage.

In addition, the base manifold is formed with a blocking hole disposed to cross the connecting flow path, the blocking member is a screw thread corresponding to the screw line formed in the inlet portion of the blocking hole on the outer peripheral surface to be inserted into the blocking hole and fastened Tofu formed; And one side mounted to the head so as to be axially rotated with respect to the head, a communication hole formed in a direction perpendicular to the axial direction is formed, and a rotation groove for receiving rotational force is formed at the other side, and selectively during axial rotation. It is preferable that the communication hole has a bolt shape including a; rotating shaft portion for communicating the connection flow path.

According to a second preferred embodiment of the present invention, a connection flow passage for communicating the two discharge ports is formed over the valve block and the base manifold, and the valve block connects the supply chamber and the connection flow passage, respectively. Two outflow passages are formed, and the blocking member is preferably installed to selectively block between the portions communicating with the two outflow passages in the connection passage.

In addition, the valve block is formed with a blocking hole arranged to cross the connection flow path, the blocking member is a screw thread corresponding to the screw line formed in the inlet portion of the blocking hole on the outer peripheral surface to be inserted into the blocking hole and fastened Tofu formed; And one side is mounted to the head so as to be axially rotated, a communication hole formed in a direction perpendicular to the axial direction is formed, and one side surface is formed with a rotation groove for receiving a rotational force, and the communication hole is selectively selected during axial rotation. It is preferable that the bolt shape including a; rotating shaft portion for communicating the connection flow path.

According to a third preferred embodiment of the present invention, the blocking hole is configured such that when the base manifold or another valve block is installed in contact with the valve block, the blocking member is inserted from a surface exposed to the outside from the valve block. It is preferable to be.

On the other hand, according to the first, second, and third embodiments of the present invention, it is preferable that the O-ring is installed on the outer circumferential surfaces of both ends of the rotating shaft portion.

According to a fourth preferred embodiment of the present invention, the valve block is provided with two outlet passages extending from the supply valve chamber, and exposed grooves having end portions of the two outlet passages exposed to the outside. The blocking member may include: a communication plug formed at one surface of a connection groove connecting the two outflow passages when the exposure member is inserted into the exposure groove so as to form the connection passage; And a blocking plug that blocks communication between the two outflow passages when inserted into the exposure groove, wherein the blocking plug is not inserted into the exposure groove among the blocking members, and is inserted into the storage groove exposed to the outside from the valve block. Preferably stored.

At this time, the blocking member is preferably screwed into the exposed groove and the storage groove.

According to another aspect of the present invention, there is provided a metered toilet piston for quantitatively supplying lubricating oil by a set amount and forming a loss chamber at the top and bottom of the metered toilet piston, and the lubricant oil from the upper and lower chambers of the metered toilet. Two flow paths are discharged, and a supply valve piston is provided to determine whether the metered valve piston is raised or lowered according to the rising or lowering of the supply valve piston. A valve block configured to supply a supply chamber to which the flow path is discharged; A base manifold in which a plurality of valve blocks can be installed, and for each of the valve blocks, two discharge ports for discharging the lubricating oil introduced from the supply chamber of the valve block are formed; And a connecting member connecting the two discharge ports so as to be discharged from only one of the two discharge ports corresponding to the two adjacent valve blocks at one surface of the base manifold. Is provided.

In this case, the connecting member has a first opening hole at one end and a second opening hole at the other end, respectively, and the first opening hole is one of the two discharge holes and the second opening hole is the two discharge holes. A bridge bar having both ends respectively installed at the two discharge ports so as to be connected to the other one of the bridge ports, the bridge bars having bridge holes communicating the two discharge holes; A connector having a connect hole connected to the first opening hole and communicating with the outside of the first opening hole; And a plug inserted into the second opening hole to block the second opening hole from the outside.

The valve mechanism for lubricating oil supply according to the present invention is divided into two parts, a valve block and a base manifold, and is configured to be detachable from each other in a modular form, thereby improving convenience of maintenance and responsiveness to different oil supply capacities.

That is, since the valve block is configured to be detachable to the base manifold as a modular type, it is possible to couple valve valves having different discharge flow rates to one base manifold.

Here, the valve block is in the form of a minimum unit constituting the valve mechanism, and the maximum flow rate can be varied.

In this way, the maximum oil quantity can be various, so that even if the required oil quantity is largely deviated between lubrication points, that is, those requiring oil supply such as bearings, there is a corresponding effect.

In addition, the present invention has a structure that can selectively connect the two discharge ports of the lubricating oil from one valve block, it can double the discharge amount of the lubricating oil, and the discharge port of the lubricating oil from the two valve blocks By merging, the discharge amount can be expanded.

8 is a perspective view showing a lubricating oil supply valve mechanism according to the present invention, Figure 9 is a longitudinal sectional view showing a lubricating oil supply valve mechanism according to a first preferred embodiment of the present invention.

Referring to the drawings, the present invention provides a valve block 120 for adjusting the flow rate, the base block manifold 140 having the valve block 120 is provided on one surface and having two discharge ports 142, and the base manifold And a blocking member 180 for selectively blocking the connection flow path 160 connecting the two discharge ports 142 of the 140.

The valve block 120 is provided with a metering chamber 122 for metering and supplying lubricating oil, and a supply valve chamber 124 for changing a flow path of lubricating oil.

When the lubricating oil pumped by the lubricating oil pump in the lubricating oil inlet flows into the metering chamber 122, the metering toilet piston 123 slides inside to meter the supplied lubricating oil.

In addition, when the pumped lubricant oil is introduced through the lubricating oil inlet 144, the supply valve 124 supplies the lubricant oil to the metering chamber 122, and the lubricating oil metered from the metering chamber 122 and flowed back into the base manifold. It supplies to the lubrication part through the discharge port 142 formed in the 140.

That is, the supply valve piston 125 is provided therein so as to change the flow path of the lubricating oil introduced into the weighing chamber 122 and discharged from the weighing chamber 122.

In addition, the base manifold 140 may be provided with a plurality of valve blocks 120, and two discharge ports 142 through which the lubricating oil supplied from the supply valve 124 of the valve block 120 may be discharged. It is formed to correspond to the block 120.

As such, the valve block 120 and the base manifold 140 are configured to be detachable from each other as a modular type.

The present invention is a valve mechanism used in the parallel operation dual intensive lubrication lubrication system, and serves to meter the lubricating oil, unlike the conventional valve mechanism consists of a single block valve block 120 and two parts By being divided into the base manifold 140, it is possible to improve the serviceability and the response to different oil supply capacity.

Here, the valve block 120 is in the form of a minimum unit constituting the valve mechanism, and the maximum flow rate can be varied.

In this way, the maximum oil quantity can be various, so that even if the required oil quantity is largely deviated between lubrication points, that is, those requiring oil supply such as bearings, there is a corresponding effect.

Further, the valve block 120 and the base manifold 140 are modular, and are configured to be detachable from each other, so that the valve blocks having different discharge flow rates can be coupled to one base manifold 140.

On the other hand, referring to Figure 9, the base manifold 140 is formed with a connection flow path 160 for communicating two discharge ports 142, and is supplied over the valve block 120 and the base manifold 140 Two outflow passages 170 connecting the toilet 124 and the connection passage 160 are formed.

Here, the blocking member 180 is configured to block the connection flow path 160, specifically, the blocking member 180 is a portion in communication with the two outlet flow paths 170 in the connection flow path 160 as the isolation bolt. The structure is fastened to the position between them.

At this time, the portion of the connection flow path 160 to which the blocking member 180 is fastened has a proper shape to seal the connection flow path 160 by fastening the blocking member 180 which is an isolation bolt.

That is, the portion has a structure corresponding to the lower portion of the isolation bolt while the screw groove is formed on the inner circumferential surface so that only the lower portion of the thread formed in the isolation bolt introduced from one side is inserted into the airtight screw.

On the other hand, in the embodiments of the present invention, except for the shape in which the blocking member and the blocking member are fastened, such as a hole or a groove, the overall fastening structure or external shape of the valve block and the base manifold does not show a great difference.

FIG. 10 is a front view showing a lubricating oil supply valve mechanism according to a second preferred embodiment of the present invention, and FIGS. 11, 12, and 13 are left and right views respectively showing the lubricating oil supply valve mechanism of FIG. 14 and 15 are cross-sectional views taken along the line AA of FIG. 10, respectively, showing that the connection flow path is not blocked by the blocking member.

Referring to FIGS. 14 and 15 together with FIGS. 10 to 13, the base manifold 240 is provided with a connection flow path 260 for communicating two discharge ports 242. The valve block 220 and the base are formed. Two outflow passages 270 connecting the supply valve chamber 224 and the connection passage 260 are formed over the manifold 240.

Here, the base manifold 240 is formed with a blocking hole 279 disposed to cross the connection flow path 260.

In this case, the blocking hole 279 includes a portion corresponding to the head 282, the rotating shaft portion 284, and a through portion of the blocking member 280, which will be described later, and the head 282 of the blocking member 280. And a portion into which the rotation shaft portion 284 is inserted correspond to a diameter of a portion into which the blocking member 280 is inserted, and a through portion extending from the insertion portion is a diameter of a portion into which the blocking member 280 is inserted. Configured to be smaller.

The configuration of the penetrating portion of the blocking hole 279 is to allow the blocking member 280 to easily escape to the outside without being compressed when the blocking member 280 is inserted into the blocking hole 279.

In addition, the blocking member 280 is configured to selectively block between the portions in communication with the two outflow passages 270 in the connection passage 260.

Specifically, the blocking member 280 has a bolt shape, and includes a head 282 and a rotating shaft portion 284 rotatably mounted to the head 282.

The head 282 is inserted into the blocking hole 279 to be fastened so that a screw line corresponding to a screw line formed at an inlet of the blocking hole 279 is formed on an outer circumferential surface thereof.

In addition, one side portion is mounted to the head 282 so that the rotation shaft portion 284 is axially rotated with respect to the head 282.

Here, the blocking member 280 is a bolt-shaped member having a structure in which the rotating shaft portion 284 is rotatable with respect to the head 282 as described above, and any conventional member having such a structure may be utilized. .

In addition, the rotating shaft portion 284 is formed with a communication hole (284a) formed in a direction perpendicular to the axial direction, the other side is formed with a rotary groove 284b for receiving a rotational force.

The rotary groove 284b is formed as a straight groove, and the communication hole 284a may be adjusted to connect or block the connection flow path 260 as the rotary groove 284b is rotated through a member such as a flat head screwdriver.

Of course, at this time, the head 282 that fixes the blocking member 280 to the blocking hole 279 is slightly released, and then the rotating groove 284b of the rotating shaft portion 284 is turned.

The rotation shaft portion 284, the communication hole 284a selectively communicates with the connection flow path 260 during the axial rotation. That is, as the rotation shaft portion 284 rotates in the axial direction, the communication hole 284a may be connected to the connection flow path 260 so that the connection flow path 260 may be connected, and the communication hole 284a may be connected to the connection flow path 260. The connection flow path 260 may be blocked by not continuing.

Furthermore, it is preferable that O-rings 286 are provided on the outer circumferential surfaces of both ends of the rotating shaft portion 284. Due to the O-ring 286, the lubricating oil flowing along the connection flow path 260 does not leak out along the outer circumferential surface of the blocking member 280.

In the prior art, the discharge pipe installed in the valve mechanism is dismantled from the valve mechanism to remove or add a plug. However, the present invention is configured as described above, and thus, only the valve block 220 is removed from the base manifold 240, and the driver is removed. The blocking member 280 may be turned to a desired position.

Although the reference numerals of the base manifolds described below vary depending on the embodiment, it is only to classify a certain portion of the base manifold corresponding to each different valve block, and does not refer to other base manifolds. .

FIG. 16 is a front view showing a lubricating oil supply valve mechanism according to a third preferred embodiment of the present invention, and FIGS. 17, 18 and 19 are left, right and top views respectively showing the lubricating oil supply valve mechanism of FIG. 20 and 21 are cross-sectional views taken along line AA of FIG. 19, and show a connection flow path that is not blocked by the blocking member.

Referring to the drawings, a connecting flow path 360 for communicating two discharge ports 342 is formed over the valve block 320 and the base manifold 340, and a supply valve chamber 324 is provided in the valve block 320. And two outlet passages 370 connecting the connection passages 360 to each other are formed.

Here, the valve block 320 is formed with a blocking hole 379 disposed to cross the connection flow path 360.

At this time, the blocking hole 379 has a shape corresponding to the head 382, the rotating shaft portion 384 of the blocking member 380 to be described later, and a through portion, the head 382 of the blocking member 380 And the portion into which the rotation shaft portion 384 is inserted correspond to the diameter of the portion into which the blocking member 380 is inserted, and the through portion extending from the portion is larger than the diameter of the portion into which the blocking member 380 is inserted. Configured to be small.

The configuration of the penetrating portion of the blocking hole 379 is to allow the blocking member 380 to easily escape to the outside without being compressed when the blocking member 380 is inserted into the blocking hole 379.

In addition, the blocking member 380 is configured to selectively block between the portions communicating with the two outlet passages 370 in the connection passage 360.

Specifically, the blocking member 380 has a bolt shape, and includes a head 382 and a rotating shaft portion 384 rotatably mounted to the head 382.

The head 382 is formed with a screw thread on the outer circumferential surface to be inserted into the blocking hole 379 and fastened.

In addition, one side portion is mounted to the head 382 so that the rotation shaft portion 384 is axially rotated with respect to the head 382.

Here, the blocking member 380 is a bolt-shaped member having a structure in which the rotating shaft portion 384 is rotatable with respect to the head 382 as described above, and any conventional member having such a structure may be utilized. .

In addition, the rotating shaft portion 384 is formed with a communication hole 384a formed in a direction perpendicular to the axial direction, and one side surface is formed with a rotary groove 384b for receiving the rotational force.

The rotating groove 384b is formed as a straight groove, and the communication hole 384a may be adjusted to connect or block the connection flow path 360 as the rotating groove 384b is rotated through a member such as a flat head screwdriver.

Of course, at this time, the head 382 which fixes the blocking member 380 to the blocking hole 379 is slightly released, and then the rotating groove 384b of the rotating shaft portion 384 is turned.

In the rotation shaft 384, the communication hole 384a selectively connects the connection flow path 360 during the axial rotation. That is, as the rotation shaft portion 384 rotates in the axial direction, the communication hole 384a may be connected to the connection flow path 360 so that the connection flow path 360 may be connected, and the communication hole 384a may be connected to the connection flow path 360. The connection channel 360 may be blocked by not continuing.

Furthermore, it is preferable that an O-ring 386 is provided on the outer circumferential surfaces of both ends of the rotation shaft 384. Due to the O-ring 386, the lubricating oil flowing along the connection passage 360 does not leak out along the outer circumferential surface of the blocking member 380.

In the prior art, although the discharge pipe installed in the valve mechanism is disassembled from the valve mechanism to remove or add the plug, the present invention is configured as described above, so that the valve adjacent to the valve block 320 from the base manifold 340 is provided. After removing only the block 320, the driver may turn the blocking member 380 to a desired position.

On the other hand, reference numeral 322, which is not described above, is a measuring valve chamber, 323 is a measuring valve piston, 324 is a supply valve chamber, 325 is a supply valve piston, 344 is a lubricating oil inlet.

FIG. 22 is a front view showing a lubricating oil supply valve mechanism according to a fourth preferred embodiment of the present invention, and FIGS. 23, 24 and 25 are left, right and top views respectively showing the lubricating oil supply valve mechanism of FIG. 26 and 27 are cross-sectional views taken along the line AA of FIG. 25 and show the connection flow paths not blocked by the blocking member.

Referring to the drawings, a connecting flow path 460 is formed between the valve block 420 and the base manifold 440 to communicate two discharge ports 442, and a supply valve 424 is provided in the valve block 420. And two outflow passages 470 connecting the connection passages 460 to each other.

Here, the valve block 420 is formed with a blocking hole 479 disposed to cross the connection flow path 460.

Meanwhile, the blocking hole 479 includes a head 482 of the blocking member 480, a portion corresponding to the rotating shaft 484, and a penetrating portion, which will be described later, and the head 482 of the blocking member 480. And a portion into which the rotation shaft portion 484 is inserted corresponds to a diameter of a portion into which the blocking member 480 is inserted, and a through portion extending from the portion is larger than the diameter of the portion into which the blocking member 480 is inserted. Configured to be small.

The configuration of the penetrating portion of the blocking hole 479 is to allow the blocking member 480 to easily escape to the outside without being compressed when the blocking member 480 is inserted into the blocking hole 479.

In addition, the blocking member 480 is configured to selectively block between the portions communicating with the two outlet passages 470 in the connection passage 460.

Specifically, the blocking member 480 has a bolt shape, and includes a head 482 and a rotating shaft part 484 rotatably mounted to the head 482.

The head 482 is inserted into the blocking hole 479, a thread is formed on the outer peripheral surface.

In addition, one side portion is mounted to the head 482 such that the rotation shaft portion 484 is axially rotated with respect to the head 482.

Here, the blocking member 480 is a bolt-shaped member having a structure in which the rotating shaft portion 484 is rotatable with respect to the head 482 as described above, and any conventional member having such a structure may be utilized. .

In addition, the rotating shaft portion 484 is formed with a communication hole 484a formed in a direction perpendicular to the axial direction, and one side surface is formed with a rotary groove 484b for receiving the rotational force.

The rotary groove 484b may be formed as a straight groove, and the communication hole 484a may be adjusted to connect or block the connection flow path 460 as the rotary groove 484b is rotated through a member such as a flat head screwdriver.

Of course, at this time, the head 482 fixing the blocking member 480 to the blocking hole 479 is slightly released, and then the rotating groove 484b of the rotating shaft 484 is turned.

In the rotation shaft 484, the communication hole 484a selectively connects the connection flow path 460 during the axial rotation. That is, as the rotation shaft 484 rotates in the axial direction, the communication hole 484a may be connected to the connection flow path 460 so that the connection flow path 460 may be connected, and the communication hole 484a may be connected to the connection flow path 460. The connection flow path 460 may be blocked by not continuing.

Further, it is preferable that the O-ring 486 is installed on the outer circumferential surfaces of both ends of the rotary shaft portion 484. Due to the O-ring 486, the lubricating oil flowing along the connection flow path 460 does not leak out along the outer circumferential surface of the blocking member 480.

On the other hand, the above-described blocking hole 479, specifically, when the base manifold 440 or other valve block 420 is installed in contact with the valve block 420, the blocking member 480 is external from the valve block 420 It is configured to be inserted from the left side of the valve block 420, that is to say in the figure.

In the prior art, although the discharge pipe installed in the valve mechanism is dismantled from the valve mechanism to remove or add the plug, the present invention is configured as described above, so that the valve block 420 is left as it is, and the blocking member 480 is desired by the driver. Just turn it to position.

On the other hand, reference numeral 422, which is not described above, is a measurement chamber, 424 is a supply chamber, 444 is a lubricant inlet.

FIG. 28 is a front view showing a lubricating oil supply valve mechanism according to a fifth preferred embodiment of the present invention, and FIGS. 29, 30, and 31 are left, right and top views respectively showing the lubricating oil supply valve mechanism of FIG. 32 and 33 are cross-sectional views taken along the line AA of FIG. 28, respectively showing that the connection flow path is not blocked by the blocking member.

Referring to the drawings, the valve block 520 is formed with two outlet passages 570 extending from the supply chamber 524, respectively, and exposed grooves having end portions of the two outlet passages 570 exposed to the outside. do.

In addition, the blocking member 580 is configured to form a connection passage 560 selectively between the ends of the two outlet passages 570.

Specifically, the blocking member 580 includes a communication plug 582 to form the connection flow path 560 and a blocking plug 584 not to form the connection flow path 560.

When the communication plug 582 is inserted into the exposure groove 562, a connection groove 582a for connecting two outflow passages 570 is formed on one surface, and the blocking plug 584 is exposed to the exposure groove 562. Upon insertion, the communication of the two outflow passages 570 is blocked.

In addition, one of the blocking members 580 that is not inserted into the exposure groove 562 is inserted and stored in the storage groove 588 exposed to the outside from the valve block 520.

In addition, the communication plug 582 may be formed to protrude to the outside of the valve block 520 in order to be identified with the blocking plug 584 from the outside in the state inserted into the valve block 520. Of course, the present invention is not limited thereto, and the communication plug 582 and the blocking plug 584 may take any shape for identifying each other.

At this time, the blocking member 580 is preferably screwed into the exposed groove 562 and the storage groove 588.

On the other hand, reference numeral 522, which is not described above, is a measurement chamber, 524 is a supply chamber, 525 is a supply valve piston, 544 is a lubricating oil inlet.

33 is a vertical sectional view showing a base manifold according to the present invention.

Referring to the drawings, the present invention further includes a connection member for connecting the two discharge ports (642).

The connecting member is configured to connect the two discharge ports 642 on one surface of the base manifold 640 such that the connection member is discharged only through one of two discharge ports 642 corresponding to two adjacent valve blocks 620. do.

In detail, the connection member may include a bridge bar 662 provided at two discharge ports 642 adjacent to each other, a connector 664 mounted at one end of the bridge bar 662, and the bridge bar 662. It includes a plug mounted on the other end.

The bridge bar 662 has a first opening hole 662b at one end and a second opening hole 662c at the other end thereof, and the first opening hole 662b is formed of two discharge ports 642. Both ends are provided at the two discharge ports 642 so that one and the second opening hole 662c are connected to the other one of the two discharge ports 642.

That is, the first opening hole 662b allows one of the two discharge ports 642 to communicate with the outside, and the second opening hole 662c allows the other one of the two discharge ports 642 to communicate with the outside.

In addition, the bridge bar 662 has a bridge hole 662a communicating the two discharge ports 642.

In addition, the connector 664 is connected to the first opening hole 662b and configured to communicate the first opening hole 662b with the outside, which is formed by a connect hole 664a formed therein.

In addition, the plug 666 is inserted into the second opening hole 662c to block the second opening hole 662c from the outside.

The present invention has a structure that can selectively connect the two discharge ports as in the first, second, third, fourth, fifth embodiments described above, it is possible to double the discharge amount of the lubricating oil, as shown in Figure 34 As described above, the discharge amount can be expanded by merging the discharge ports from which the lubricating oil from the two valve blocks comes out.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

1 is a perspective view and a longitudinal sectional view showing a valve mechanism for supplying lubricant according to the prior art, that is, a distribution valve.

2 is a view showing that the discharge port flow path to the fluid supply point is switched by the supply valve piston in a general fixed-quantity supply device.

3 is a view showing that the fluid is supplied to the fluid supply point by the metering valve in the metering device from the state of FIG.

4 is a view showing that the fluid is quantitatively supplied to the fluid supply point by the metering piston in the metering device from the state of FIG.

4 is a view showing that the discharge port flow path is switched to the fluid supply point by the supply valve piston while the supply line and the return line of the supply pipe are switched with each other when the switching valve is switched from the state of FIG.

6 is a view showing that the fluid is supplied to the fluid supply point changed by the metering piston from the state of FIG.

7 is a view showing that the fluid is quantitatively supplied to the fluid supply point changed from the state of FIG.

8 is a perspective view showing a valve mechanism for supplying lubricant according to the present invention.

9 is a longitudinal sectional view showing a lubricating oil supply valve mechanism according to a first preferred embodiment of the present invention.

10 is a front view showing a lubricating oil supply valve mechanism according to a second preferred embodiment of the present invention.

FIG. 11 is a left side view of the valve mechanism for supplying lubricant of FIG. 10. FIG.

12 is a right side view of the valve mechanism for supplying lubricant of FIG. 10.

It is a top view which shows the valve mechanism for lubricating oil supply of FIG.

14 and 15 are cross-sectional views taken along the line A-A of FIG. 12, respectively, showing that the connection flow path is not blocked by the blocking member.

16 is a front view showing a lubricating oil supply valve mechanism according to a third preferred embodiment of the present invention.

17 is a left side view of the valve mechanism for supplying lubricant of FIG. 16.

It is a right side view which shows the valve mechanism for supplying lubricating oil of FIG.

It is a top view which shows the valve mechanism for supplying lubricating oil of FIG.

20 and 21 are cross-sectional views taken along the line A-A of FIG. 19, showing that the connection flow path is not blocked by the blocking member, respectively.

Fig. 22 is a front view showing a lubricating oil supply valve mechanism according to a fourth preferred embodiment of the present invention.

FIG. 23 is a left side view of the valve mechanism for supplying lubricant of FIG. 22.

24 is a right side view of the valve mechanism for supplying lubricant of FIG. 22.

FIG. 25 is a plan view illustrating the valve mechanism for supplying lubricant of FIG. 22.

26 and 27 are cross-sectional views taken along the line A-A of FIG. 25, respectively showing that the connection flow path is not blocked by the blocking member.

28 is a front view showing a lubricating oil supply valve mechanism according to a fifth preferred embodiment of the present invention.

FIG. 29 is a left side view of the valve mechanism for supplying lubricant of FIG. 28.

30 is a right side view of the valve mechanism for supplying lubricant of FIG. 28.

FIG. 31 is a plan view illustrating the valve mechanism for supplying lubricant of FIG. 28.

32 and 33 are longitudinal cross-sectional views showing the lubricating oil supply valve mechanism of FIG. 27, respectively showing that the connecting flow path is not blocked by the blocking member.

34 is a vertical sectional view showing a base manifold according to another aspect of the present invention.

Claims (12)

A metering toilet having a metering piston for quantitatively supplying lubricating oil by a set amount and forming oil chambers at the upper and lower parts of the metering toilet, and two flow paths through which the lubricant is discharged from the upper and lower oil chambers of the metering chamber. And a supply valve piston having a supply valve piston connected to the flow path for discharging the lubricating oil according to the rising or lowering of the metered valve piston in accordance with the rising or falling of the supply valve piston. A valve block configured as a toilet; A base manifold in which a plurality of valve blocks can be installed, and for each of the valve blocks, two discharge ports for discharging the lubricating oil introduced from the supply chamber of the valve block are formed; And A blocking member configured to selectively block the connection flow path between the two discharge ports so that the lubricant oil is discharged only through one of the two discharge ports; Valve mechanism for supplying lubricating oil comprising a. The method of claim 1, The valve block and the base manifold as a modular type lubricating oil supply valve mechanism characterized in that configured to be removable from each other. The method of claim 1, The base manifold is formed with a connection flow path for communicating the two discharge ports, Two outflow passages are formed across the valve block and the base manifold to connect the supply chamber and the connection passage. The blocking member is a valve mechanism for supplying lubricating oil, characterized in that it is installed to selectively block between the portions in communication with the two outflow passage in the connection passage. The method of claim 3, The base manifold is formed with a blocking hole arranged to cross the connection flow path, The blocking member, A head portion having a screw line corresponding to a screw line formed at an inlet portion of the blocking hole on an outer circumference thereof so as to be inserted into the blocking hole and fastened; And One side is mounted to the head so as to be axially rotated with respect to the head, a communication hole formed in a direction perpendicular to the axial direction is formed, and the other side is provided with a rotation groove for receiving rotational force, A rotating shaft portion having a communication hole communicating with the connection passage; Valve mechanism for lubricating oil supply, characterized in that the bolt shape comprising a. The method of claim 1, A connection flow path for communicating the two discharge ports is formed over the valve block and the base manifold. In the valve block, two outlet passages are formed to connect the supply valve chamber and the connection passage, respectively. The blocking member is a valve mechanism for supplying lubricating oil, characterized in that it is installed to selectively block between the portions in communication with the two outflow passage in the connection passage. The method of claim 5, The valve block is formed with a blocking hole disposed to cross the connection flow path, The blocking member, A head portion having a screw line corresponding to a screw line formed at an inlet portion of the blocking hole on an outer circumference thereof so as to be inserted into the blocking hole and fastened; And One side is mounted so as to be axially rotated on the head, a communication hole formed in a direction perpendicular to the axial direction is formed, a rotation groove for receiving a rotational force is formed on one side, the communication hole is selectively A rotating shaft portion communicating with the connection channel; Valve mechanism for lubricating oil supply, characterized in that the bolt shape comprising a. The method of claim 6, The blocking hole, The valve block for lubricating oil supply, characterized in that when the base manifold or other valve block is in contact with the valve block, the blocking member is inserted from the surface exposed to the outside from the valve block. The method according to any one of claims 4, 6, and 7, Lubricating oil supply valve mechanism, characterized in that the O-ring is installed on the outer peripheral surface of both ends of the rotating shaft portion. The method of claim 1, The valve block is provided with two outlet passages each extending from the supply valve chamber, and exposed grooves through which end portions of the two outlet passages are exposed to the outside. The blocking member, A communication plug formed on one surface of the connection groove connecting the two outflow passages when inserted into the exposed groove to form the connection passage; And a plug plug blocking the communication between the two outflow passages when inserted into the exposed groove. The valve member for lubricating oil supply, characterized in that the blocking member is not inserted into the exposure groove is inserted into the storage groove exposed to the outside from the valve block. 10. The method of claim 9, The blocking member is a valve mechanism for lubricating oil supply, characterized in that the screwed into the exposed groove and the storage groove. A metering toilet having a metering piston for quantitatively supplying lubricating oil by a set amount and forming an oil chamber in the upper and lower parts of the metering piston, and two flow paths through which the lubricant is discharged from the upper and lower oil chambers of the metering toilet And a supply valve piston having a supply valve piston connected to the flow path for discharging the lubricating oil according to the rising or lowering of the metered valve piston in accordance with the rising or falling of the supply valve piston. A valve block configured as a toilet; A base manifold in which a plurality of valve blocks can be installed, and for each of the valve blocks, two discharge ports for discharging the lubricating oil introduced from the supply chamber of the valve block are formed; And A connection member connecting the two outlets on one surface of the base manifold so as to be discharged only through one of two outlets corresponding to the two adjacent valve blocks; Valve mechanism for supplying lubricating oil comprising a. The method of claim 11, The connecting member, A first opening hole is formed at one end and a second opening hole is formed at the other end, and the first opening hole is connected to one of the two discharge ports and the second opening hole is connected to the other one of the two discharge holes. A bridge bar having both ends respectively provided at the two discharge ports and having a bridge hole communicating the two discharge holes; A connector having a connect hole connected to the first opening hole and communicating with the outside of the first opening hole; And A plug inserted into the second opening hole to block the second opening hole from the outside; Valve mechanism for supplying lubricating oil comprising a.

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