JP2012077903A - Float type drain trap and draining method of drained water - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that there are frequently cases which result in such a condition that drop of water is continuously drained drop by drop by a drain trap, which employs direct magnetic force system generating force of attraction by a magnet and a counterpart directly attracting, forming a semi-opened state at a balanced point with which inflow and outflow of drained water coincide because opening of a valve seat is determined based on a float position of water surface.SOLUTION: In a float type drain trap which receives gas/liquid mixture produced from compressed air from an inflow port 10a of an upper portion of a cover 10 and drains the drained water from a drain port 10b provided on a lower portion of a side wall by separating the drained water from the gas/liquid mixture, it is configured so as to drain the drained water intermittently by opening and closing the valve seat 15 connected to the drain port 10b by force of repulsion of the mutual magnetic force when a first permanent magnet 25 and a second permanent magnet 55 pass each other by oscillation of the first permanent magnet 25 which is a part of the float 20 and the second permanent magnet 55 which is a part of an open/close valve 50.

Description

  The present invention relates to a float drain trap and a drain water discharge method. More specifically, the present invention relates to a swing of a first permanent magnet that is a part of a float and a second permanent magnet that is a part of an on-off valve. By opening and closing the valve seat by the repulsive force of the mutual magnetic force when the first permanent magnet and the second permanent magnet pass each other, the drain water is discharged intermittently. By using the repulsive force effectively, finally, it will always be half open when drain water is discharged with a simple configuration. It describes the technology that has been prevented.

  Conventionally, there has been a technique related to a drain water discharge method and a buoyancy type drain trap (see, for example, Patent Document 1).

  Here, a conventional drain water discharge method and a technique related to a buoyancy type drain trap will be described with reference to Patent Document 1.

In this case, Patent Document 1 includes a float body that can float with water at one end around the arm, a float that integrates a rubber valve seat at the other end and a rotating shaft at the center bending portion, and A case main body formed with an inflow port through which drain water flows in, an outflow port through which drain water flows out, a valve seat positioned at the outflow port, and a float bracket that allows the float to rotate by holding the rotating shaft; If the drain shaft does not flow up to a certain position of the case by the rotation shaft being positioned in the float bracket inside the case, the weight of the float When the rubber valve seat closes the valve seat and the drain water wants to flow to a certain position of the case or more, the rubber valve seat opens the valve seat by the buoyancy of the float body. In the drain trap, a magnet is disposed at any location between the float body and the rotating shaft of the arm, and an attraction force is generated by the magnet at any location inside the case. A technology in which the rubber valve seat closes and opens the valve seat in accordance with the relationship between the weight of the float, the buoyancy, the suction force, and the moments generated by the mating member to be disposed. It is shown.
JP 2005-180677 A

  However, the conventional drain water discharge method and the float drain trap technique have the following problems.

  First, in a drain trap using a direct magnetic force method that generates an attractive force by directly attracting a magnet and a mating member as seen in the past, a strong magnetic force is generated when attracted, but it is separated even a little. The magnetic force attenuates in inverse proportion to the square of the distance. In particular, there was a problem that a stable magnetic force could not be obtained due to the adhesion of foreign matters such as dust and variations including dimensional errors.

  Next, since the float and the rubber valve seat are integrated and the rubber valve seat is also operated corresponding to the float, the opening degree of the valve seat is determined by the position of the water surface through the float. Therefore, there is often a state where the drain water and the water droplets are continuously discharged at the equilibrium point where the inflow and the discharge of the drain water coincide with each other. Furthermore, since the magnetic force is attenuated in inverse proportion to the square of the distance, if the distance is even a little, the magnetic force tends to be outside the influence range of the magnetic force, and an equilibrium point is easily generated. As a result, drain water cannot be discharged vigorously due to intermittent drainage, and it has become difficult to remove slime and dust adhering to the small holes in the valve seat.

  Furthermore, it is necessary to suck the valve with the negative pressure of the jet of compressed air that is discharged simultaneously with the drain water, and since the lowest water surface is applied to the discharge port, the discharge of the compressed air cannot be stopped and the compressed air is lost. There were many.

  The present invention accepts a gas-liquid mixture of compressed air and drain water generated from the compressed air from an inlet at the top of the cover, separates the drain water from the gas-liquid mixture, and drains from a discharge port provided at the bottom of the side wall. In the float drain trap for discharging water, the first permanent magnet and the second permanent magnet are caused by the swing of the first permanent magnet that is a part of the float and the second permanent magnet that is a part of the on-off valve. By opening and closing the valve seat connected to the discharge port by the repulsive force of the mutual magnetic force when passing each other, the drain water is discharged intermittently, and further, the second permanent magnet is Responding to an increase in drain water while the valve element, which is a part of the on-off valve, is located at the uppermost point of the second permanent magnet and exerts a repulsive force so as to close the valve seat. The first permanent magnet rises with the float. Thus, when the first permanent magnet and the second permanent magnet pass each other at the uppermost point of the second permanent magnet, a reverse repulsive force is exerted, whereby the valve body is separated from the valve seat. Further, the second permanent magnet is located at the lowest point of the second permanent magnet, and the valve body which is a part of the on-off valve causes the valve seat to be moved by a reverse repulsive force. The first permanent magnet and the second permanent magnet pass each other at the lowest point of the second permanent magnet by lowering the first permanent magnet together with the float as the drain water is reduced. Accordingly, a repulsive force which is a reverse repulsive force is exerted, whereby the valve body is closed in such a manner as to press the valve seat, and further, the first permanent magnet and the second permanent magnet are closed. Permanent magnets in the meantime other 1 set and 2 sets, 2 sets and 1 set, 2 sets and 3 sets, or 3 sets and 2 sets, and the second permanent magnet The valve arm is located on a valve arm that is a part of the on-off valve, the valve body is located on the valve arm, and the valve arm swings around a valve swing shaft, Oscillates between the valve lower limit stopper located inside the cover and the valve seat, and further, the valve arm has one end positioned on the valve oscillating shaft and the other end. The second permanent magnet is positioned, the valve body is positioned near the valve swing shaft, and the first permanent magnet is a part of the float. And the float that is integrated from the middle The float body that is a part of the float is located on the float arm, and the float body moves up and down according to the increase or decrease of the drain water in the cover. The float arm swings around a float swing shaft, and the float arm swings between a float lower limit stopper and a float upper limit stopper located inside the cover. Further, one end of the float arm is positioned on the float swing shaft, the first permanent magnet is positioned at the tip of the magnet arm integrated from the middle, and the float body is positioned at the other end. Further, the float swing shaft and the valve swing shaft are located on a bracket, and the bracket The first permanent magnet and the second permanent magnet are set so as to move in a circular path close to each other, and two intersections are drawn. The swinging range of the valve arm is set between the two intersections, and the swinging range of the float arm integrated with the magnet arm is The first permanent magnet and the second permanent magnet pass each other so that the upper limit is higher than the swing range of the valve arm and lower than the lower limit, and the swing is wider than the swing range of the valve arm as a whole. Further, the first and second permanent magnets are neodymium magnets having a strong magnetic force, thereby solving the above-mentioned problems.

  In addition, the present invention accepts a gas-liquid mixture of compressed air and drain water generated from the compressed air from the inlet at the upper part of the cover, and separates the drain water from the gas-liquid mixture from an outlet provided at the lower part of the side wall. In the drain water discharging method for discharging drain water, the first permanent magnet and the second permanent magnet are moved by swinging the first permanent magnet that is a part of the float and the second permanent magnet that is a part of the on-off valve. Drain water is intermittently discharged by opening and closing the valve seat connected to the discharge port by the repulsive force of the mutual magnetic force when the permanent magnets pass each other. The magnet and the second permanent magnet are located in a state where the number of either one is larger and the smaller one is alternately sandwiched between the larger ones, and the adjacent permanent trajectories are moved. And a float body which is a part of the float When in the lowermost position, the second permanent magnet is pushed up to the highest point of the second permanent magnet by a repulsive force with the first permanent magnet, so that the valve seat is closed by the valve body, and the float main body is at the lowest position. When the first permanent magnet passes over the second permanent magnet uppermost point, which is the uppermost intersection with the second permanent magnet, especially when it is in the upper part, a reverse repulsive force comes to work. The second permanent magnet is pushed down to the lowest point of the second permanent magnet by a repulsive force with the first permanent magnet, so that the valve seat is opened by the valve body. It was solved.

  As is clear from the above description, the present invention can provide the following effects.

  First, a gas-liquid mixture of compressed air and drain water generated from the compressed air is received from the inlet at the top of the cover, and drain water is separated from the gas-liquid mixture and drained from an outlet provided at the bottom of the side wall. In a float drain trap that discharges water, the first permanent magnet and the second permanent magnet pass each other due to the swing of the first permanent magnet that is part of the float and the second permanent magnet that is part of the on-off valve. By opening and closing the valve seat connected to the outlet by the repulsive force of the mutual magnetic force at the time, drain water is intermittently discharged, especially the repulsive force opposite to the repulsive force before and after the permanent magnet passes It is possible to achieve the operation of opening and closing the valve seat with a simple configuration by utilizing it while properly using it, and it is now possible to prevent the half-open state when drain water is discharged is there.

  Secondly, the second permanent magnet is located at the highest point of the second permanent magnet, and the repulsive force is applied so that the valve body that is a part of the on-off valve closes by pushing the valve seat. As the first permanent magnet rises with the float as the drain water increases, the first permanent magnet and the second permanent magnet pass each other at the highest point of the second permanent magnet, and the opposite repulsive force is applied. By opening the valve body so as to be separated from the valve seat, it is possible to achieve the operation of opening and closing the valve seat with a simple configuration, and it becomes a half-open state when drain water is discharged Can now be prevented.

  Third, the second permanent magnet is positioned at the lowest point of the second permanent magnet, and the valve body that is a part of the on-off valve opens the valve seat by the reverse repulsive force. The first permanent magnet descends with the float in response to the decrease, and the first permanent magnet and the second permanent magnet pass each other at the lowest point of the second permanent magnet, thereby exerting the repulsive force that is the opposite reverse repulsive force. Thus, the valve body is closed by pressing the valve seat, so that the operation of opening and closing the valve seat can be achieved with a simple configuration, and the drain water is in a half-open state when draining water is discharged It has become possible to prevent this.

  Fourth, the first permanent magnet and the second permanent magnet have one set and two sets, two sets and one set, two sets and three sets, or three sets and two sets, with the other in between. By positioning the pair, it is possible to generate a balanced repulsive force, and it is possible to generate a stronger repulsive force.

  Fifth, the second permanent magnet is located on the valve arm that is a part of the on-off valve, the valve body is located on the valve arm, and the valve arm swings around the valve swing shaft. Yes, the valve arm swings between the valve lower limit stopper located inside the cover and the valve seat, so that the valve body moves independently without moving together with the float, and drain water is discharged. It has become possible to prevent the half-open state when being done.

  Sixth, the valve arm has one end positioned on the valve swing shaft and the second permanent magnet positioned on the other end, and the valve body is positioned near the valve swing shaft. It is possible to double the repulsive force, and the second permanent magnet can move in a form corresponding to the valve body. In addition to the repulsive force by the first permanent magnet and the second permanent magnet The valve seat was easily opened and closed.

  Seventh, the first permanent magnet is located on the float arm that is a part of the float and the magnet arm that is a part of the float that is integrated from the middle, and the float body that is a part of the float is the float The float body moves up and down according to the increase / decrease of the drain water in the cover, the float arm swings around the float swing axis, and the float arm is placed inside the cover. By swinging between the float lower limit stopper and the float upper limit stopper, the float body does not move integrally with the on-off valve, but moves as a single unit. It became possible to prevent it.

  Eighth, the float arm has one end positioned on the float swinging shaft, the first permanent magnet is positioned at the tip of the magnet arm integrated from the middle, and the float body is positioned at the other end. The first permanent magnet can move in a form corresponding to the float body with a simple configuration, and it is easy to open and close the valve seat together with the repulsive force by the first permanent magnet and the second permanent magnet. It was.

  Ninth, the float rocking shaft and valve rocking shaft are located on the bracket. By fixing the bracket inside the cover near the valve seat, it is possible to draw a close circular path with a simple configuration. It became.

  Tenth, it is possible to draw two intersections by setting the first permanent magnet and the second permanent magnet so as to move in a circular path close to each other, and the second permanent magnet swings between the vicinity of the two intersections. By making effective use of the repulsive force opposite to that before and after the intersection, the valve seat can be opened and closed by the valve body with a simple structure.

  Eleventh, the swing range of the first permanent magnet is higher at the upper limit than the swing range of the second permanent magnet and lower at the lower limit so that the first permanent magnet and the second permanent magnet pass each other when swinging. As a result, the repulsive force opposite to the repulsive force can be reliably captured and utilized by swinging wider than the swing range of the second permanent magnet.

  Twelfth, since the first permanent magnet and the second permanent magnet are neodymium magnets having a strong magnetic force, a stable and strong magnetic force can be obtained.

The figure showing the entire drain trap of the present invention The figure which showed the intersection of this invention 1st permanent magnet and 2nd permanent magnet The figure which showed the highest point and lowest point of this invention 1st permanent magnet and 2nd permanent magnet Detailed view of the stopper of the present invention viewed from "A arrow" The figure which showed the highest point and the lowest point of the 1st permanent magnet and the 2nd permanent magnet according to this invention Detailed view of the bracket according to the present invention as seen from the "B arrow" Diagram showing the relationship between magnetic force and distance The figure which showed the relationship of the magnetic pole of this invention 1st permanent magnet and 2nd permanent magnet The figure which showed attachment of this invention 1st permanent magnet and 2nd permanent magnet The figure which showed attachment of the 1st permanent magnet and the 2nd permanent magnet according to this invention

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Here, FIG. 1 is a diagram showing the entire drain trap of the present invention, FIG. 2 is a diagram showing the intersection of the first permanent magnet and the second permanent magnet of the present invention, and FIG. It is the figure which showed the highest point and the lowest point of the 1st permanent magnet and the 2nd permanent magnet, FIG. 4 is a detailed view seen from "A arrow view" of this invention stopper, FIG. 5 is this invention. It is the figure which showed the highest point and the lowest point of another 1st permanent magnet and a 2nd permanent magnet, FIG. 6: is the detailed view seen from "B arrow view" of the bracket according to this invention, 7 is a diagram showing the relationship between magnetic force and distance, FIG. 8 is a diagram showing the relationship between the magnetic poles of the first permanent magnet and the second permanent magnet of the present invention, and FIG. 9 is the first permanent of the present invention. FIG. 10 is a diagram showing attachment of a magnet and a second permanent magnet, and FIG. 10 is a diagram showing attachment of a first permanent magnet and a second permanent magnet according to the present invention.

  Here, as can be seen in FIG. 1, reference numeral 1 denotes a drain trap, which has a substantially spherical cover 10 on which a valve seat 15 for collecting drain water is located while a drain water is stored together with compressed air. The float body 21 and the first permanent magnet 25 are configured to open and close the float 20 that moves up and down by swinging around the float swing shaft 17 in accordance with the increase or decrease of the drain water accumulated inside, and the valve seat 15. The valve body 51 and the second permanent magnet 55 are configured, and the on-off valve 50 that swings around the valve swing shaft 18 is integrally configured.

  In this case, the cover 10 includes a substantially hemispherical first cover 11 and second cover 12, an O-ring 13, an arm stopper 14 that restricts the movement of the float 20 and the on-off valve 50, and a drain accumulated inside. A valve seat 15 serving as a flow path for discharging water to the outside, a bracket 16 for positioning the float rocking shaft 17 and the valve rocking shaft 18, and a spherical shape or a shape close thereto by a bolt not specifically shown. It is comprised integrally with. Except for the inlet 10a formed in the vicinity of the top of the cover 10 and the outlet 10b formed on the lower side of the side wall relatively close to the bottom, the O-ring 13 prevents drain water from leaking. It is in a completely sealed state. The O-ring 13 may be a packing or a liquid packing.

  On the other hand, the bracket 16 is fixed to the cover 10 by a valve seat 15 in FIG. However, the bracket 16 may be fixed in the vicinity of the valve seat 15 as long as it is fixed by the valve seat 15 or by another method using another object.

  The reason for this is that, in the present invention, in the present invention, the repulsive force of the first permanent magnet 25 and the second permanent magnet 55 is used. In particular, the first permanent magnet 25 and the second permanent magnet 55 pass each other. Is intended to use the reverse repulsion force immediately after that, and the first permanent magnet 25 and the second permanent magnet 55 are as close as possible to draw a similar trajectory, It is desirable for exerting a strong repulsive force and a reverse repulsive force, and also for a compact arrangement. For this purpose, the first permanent magnet 25 which is a part of the float 20 and the second permanent magnet which is a part of the on-off valve 50 are used. The float rocking shaft 17 that is the rocking center of 55 and the valve rocking shaft 18 are made to approach each other.

  Secondly, with respect to the valve swing shaft 18, the valve seat 51 is opened and closed by the valve body 51 which is a part of the on-off valve 50, and thus is the end of the valve body 51 and the center of the swing. Based on the idea that the force to move the valve body 51 can be increased by shortening the distance of the valve oscillating shaft 18 as much as possible. As both the float swing shaft 17 and the valve swing shaft 18 are positioned on the bracket 16, the bracket 16 is positioned in the vicinity of the valve seat 15 by being fixed to the cover 10 by the valve seat 15. is there.

  That is, the first permanent magnet 25 and the second permanent magnet 55 are considered so as to move in close proximity. Furthermore, as shown in FIG. 2, the intersection points BH and BL of the trajectory of the first permanent magnet 25 on the magnet arm 23 and the trajectory of the second permanent magnet 55 on the valve arm 52 are the first permanent. Since the magnet 25 and the second permanent magnet 55 are closest to each other, the vicinity of the second permanent magnet uppermost point BH of the valve arm 52, that is, the second permanent magnet 55 (the upper intersection BH; immediately before the rising point). Then, the valve body 51 strongly presses and closes the valve seat 15 and the second permanent magnet lowest point BL (lower intersection BL: the valve body 51 is released from the valve seat 15 immediately before it is lowered and opened. Is doing).

  In particular, the meaning of passing (intersecting) when passing through the intersections BH and BL is that the repulsive force worked until now, and the reverse repulsive force works immediately after passing by At the intersection BH of the second permanent magnet uppermost point BH, the first permanent magnet 25 on the magnet arm 23 increases the drain water in the cover 10 to the second permanent magnet 55 on the stationary valve arm 52. When it approaches and rises, the first permanent magnet 25 and the second permanent magnet 55 repel each other, and the repulsive force that pushes the valve arm 52 upward (presses the valve body 51 against the valve seat 15). Immediately after the first permanent magnet 25 passes the intersection BH of the second permanent magnet uppermost point BH, the valve arm 52 is now moved with the same repulsive force. Try to lower down A reverse repulsive force (force that opens the valve body 51 away from the valve seat 15, that is, force that opens the valve seat 15) acts and pushes it toward the second permanent magnet lowest point BL side. is there.

  On the other hand, the first permanent magnet on the magnet arm 23 is moved to the second permanent magnet 55 on the valve arm 52 that is stationary at the intersection BL of the lowest point BL of the second permanent magnet by being pushed by the reverse repulsive force. When 25 is lowered and approaches as the drain water in the cover 10 decreases, the first permanent magnet 25 and the second permanent magnet 55 are repelled to reverse the valve arm 52. A repulsive force (a force that opens the valve body 51 away from the valve seat 15, that is, a force that opens the valve seat 15) works, and the first permanent magnet 25 intersects the second permanent magnet lowest point BL. Immediately after passing, the repulsive force which is the opposite repulsive force which is the force to push up the valve arm 52 with the same repulsive force (the force which presses the valve body 51 against the valve seat 15, ie, The force to close the valve seat 15) There, is at the present invention, it was effectively use such characteristics.

  In this case, regarding the lowering of the first permanent magnet 25 on the magnet arm 23 integrated with the float arm 22 due to the reduction of the drain water, the float main body 21 slowly floats in the drain water as the drain water is discharged. Rather than descending, the drainage of the drain water precedes, so that the float body 21 falls due to gravity while being slightly influenced by buoyancy. The float 20 has its own weight due to the repulsive force between the second permanent magnet 55 at the second lowest permanent magnet BL and the first permanent magnet 25 on the descending magnet arm 23. It is necessary for the first permanent magnet 25 to be more than gravity to overcome (cross) the ground.

  As a result, the swing range of the first permanent magnet 25 on the magnet arm 23 integral with the float arm 22 is changed so that the first permanent magnet 25 and the second permanent magnet 55 pass each other during the swing (reverse repulsion). The upper limit is higher than the swing range of the second permanent magnet 55 and the lower limit is lower than the swing range of the second permanent magnet 55, so that the swing is wider than the swing range of the second permanent magnet 55 as a whole.

  The valve seat 15 is processed with a male screw so as to be fastened with the female screw of the cover 10. And between the valve seat 15 and the cover 10, consideration is given so that the stored drain water does not leak from the inside of the cover 10 to the outside by a sealing tape, an O-ring, a sealing material, or the like.

  By the way, as can be seen in FIG. 1, the bracket 16 is formed with two supports so that the float rocking shaft 17 and the valve rocking shaft 18 can be positioned separately. In this case, it can be said that the first permanent magnet 25 and the second permanent magnet 55 are moving in close proximity by moving both the float swing shaft 17 and the valve swing shaft 18 to the same bracket 16. Further, as shown in FIG. 5, the first permanent magnet 25 and the second permanent magnet 55 can be obtained by positioning both the float rocking shaft 17 and the valve rocking shaft 18 as one support on the bracket 16A. It is also conceivable to move the trajectory closer. It is also conceivable as one method that both the float swing shaft 17 and the valve swing shaft 18 are used on the same shaft, and both the float 20 and the on-off valve 50 are simultaneously mounted on the same shaft. In this case, as a matter of course, there is no intersection between the first permanent magnet 25 and the second permanent magnet 55, but it can be said that the closest distance is always maintained.

  Further, the arm stopper 14 includes a mounting seat 14x that is a connection portion with the cover 10, a stopper 14y, and a nut 14z. The mounting seat 14x has male and female screws at the bottom and top, and is fixed to the female screw at the bottom of the cover 10 by the lower screw. The stopper 14y is positioned at the upper screw and fixed by the nut 14z. It is supposed to be.

  In this case, as shown in FIG. 3, the arm stopper 14 is configured such that the valve lower limit stopper A located at the uppermost part of the arm stopper 14 (or the stopper 14 y) suppresses the lowering of the valve arm 52. By determining the second lowest point BL of the second permanent magnet 55 and suppressing the lowering of the float arm 22 integral with the magnet arm 23 by the float lower limit stopper C located at the uppermost end of the mounting seat 14x. The first permanent magnet lowest point AL of the first permanent magnet 25 is determined and floated by the float upper limit stopper B located on the back side (lower part) of the uppermost part of the stopper 14y as seen in FIGS. Determining the highest permanent point AH of the first permanent magnet 25 by pressing the rise of the arm 22 by pressing the rise of the arm 22 It made. Further, the rise of the valve arm 52 is determined by the contact between the valve seat 15 and the valve body 51, thereby determining the second permanent magnet uppermost point BH of the second permanent magnet 55. It becomes.

  The arm stopper 14 need not be limited to the above-described contents. However, the second permanent magnet lowest point BL, the second permanent magnet highest point BH of the second permanent magnet 55 positioned on the valve arm 52 in some form, and the magnet arm 23 integral with the float arm 22 It is necessary to set the positions of the first permanent magnet lowest point AL and the first permanent magnet highest point AH of the first permanent magnet 25 located above. Of course, between the first permanent magnet lowest point AL and the first permanent magnet highest point AH and between the second permanent magnet lowest point BL and the second permanent magnet highest point BH, the first permanent This is the swing range of the magnet 25 and the second permanent magnet 55. Therefore, a method of changing the configuration of the arm stopper 14 shown in the above-described method (for example, a method of integrating the mounting seat 14x and the stopper 14y, a structure of the stopper, and a cover of the mounting seat 14x) It is also possible to change the manner of fixing to 10).

  That is, as seen in FIGS. 5 and 6, a method such as a bracket 16A in which the bracket 16 and the arm stopper 14 are integrated is also conceivable. Although not specifically illustrated, the bracket 16A is not integrated with the bracket 16. However, it is conceivable to attach the bracket 16 integrally or to attach it in the vicinity of the valve seat 15 at a location different from the bracket 16.

  In FIGS. 5 and 6, both the float swing shaft 17 and the valve swing shaft 18 are positioned on one support (for example, the lower side), and the other support (for example, the upper side) Both the valve lower limit stopper A and the float upper limit stopper B are positioned. In this case, the float lower limit stopper C corresponds to the lower limit by directly contacting the float main body 21 with the inner lower portion of the cover 10. Further, depending on the position of the lowest liquid level in the cover 10 that increases or decreases, it is conceivable that compressed air is discharged together with the drain water.

  And the gas-liquid mixed fluid of compressed air and drain water flows in from the inflow port 10a. Moreover, the drain water isolate | separated is discharged | emitted from the discharge port 10b. As a matter of course, the discharge port 10b can communicate with the inside of the cover 10 via the valve seat 15 and discharges drain water stored in the inside of the cover 10 by opening the valve seat 15. It is possible.

  Whether or not compressed air is mixed in the drain water to be discharged depends on which position of the water level of the drain water 15 is when the valve body 51 closes the valve seat 51. That is, when the water level is above the valve seat 15, only drain water is discharged, and when the water level is applied to the valve seat 15, compressed air and drain water are discharged. In the case of the specification that does not discharge compressed air (in the case of the specification that only drain water is discharged), the first permanent is set when the weight of the float 20 is increased or the specific gravity is increased, and the water level is above the valve seat 15. The magnet 25 passes the second permanent magnet lowest point BL so as to pass each other. Further, in the case of the specification for cleaning the periphery of the valve seat 15 by discharging compressed air, the first permanent magnet 25 is moved after the water level is applied to the valve seat 15 by reducing the weight of the float 20 or reducing the specific gravity. The second permanent magnet lowest point BL is passed so as to pass each other. Here, the amount of compressed air to be discharged is determined depending on which position of the valve seat 15 the water level is. The amount of compressed air can be adjusted depending on the weight, volume, and specific gravity of the float 20, whether the discharge is only drain water or gas-liquid mixing.

  On the other hand, the float 20 floats on the drain water stored inside the cover 10, so that the float body 21 moves up and down by the increase or decrease of the drain water, and one end is connected to the float swing shaft 17 and the other end is the float body. Float arm 22 fixed to 21, two magnet arms 23 integrated from the middle of float arm 22, and first permanent magnet 25 positioned at each end of magnet arm 23 Are configured to move together under the same circumstances.

  In this case, one end of the float arm 22 is swingably connected to the float swing shaft 17 located on the bracket 16, and the float body 21 moves integrally with the float arm 22 at the other end. In this way, it is fixed by welding, brazing, adhesives, bolts and nuts. Accordingly, the float 20 moves up and down while swinging about the float swing shaft 17 in accordance with the increase or decrease of the drain water accumulated inside the cover 10. Further, from the middle of the float arm 22, two magnet arms 23 sandwich the float body 21 and are fixed by welding, bolts and nuts so as to move integrally with the float arm 22 and the float body 21. Yes. The first permanent magnets 25 are positioned at the tips of the magnet arms 23, respectively.

  Therefore, in the magnet arm 23, the float arm 22, the float main body 21, and the two magnet arms 23 are integrated so as to sandwich the float main body 21, and therefore, the two sets of first permanent magnets 25 are also integrally positioned. Will be. In addition, a weight 24 can be attached to the outer periphery of the float main body 21, thereby adjusting the total weight that becomes a problem when the float main body 21 is lowered and the specific gravity that becomes a problem when the float main body 21 is raised. Can be done.

  By the way, with respect to the float body 21, a spherical float body 21 is made of a thin metal plate and adjusted with the weight 24, or the float body 21 is made by adjusting the foaming ratio with a foaming resin and further adjusted with the weight 24. Thus, the selection is made in consideration of the specific gravity and volume related to the total weight and buoyancy. Also, considering the total weight, specific gravity, and volume together, it is possible to use plastic as a material and sometimes mold it.

  Further, the on-off valve 50 has a rubber valve body 51 having a flat surface in contact with the valve seat 15 (for example, a cylinder or a truncated cone shape) and one end connected to the valve swing shaft 18. The valve arm 52 and the second permanent magnet 55 located at the other end of the valve arm 52 are configured to move together.

  Here, one end of the valve arm 52 is swingably connected to the valve swing shaft 18 located on the bracket 16, and a valve body 51 for opening and closing the valve seat 15 is positioned in the middle. A second permanent magnet 55 is fixed to the end so as to move integrally with the valve arm 52. In this case, the smaller the distance between the valve swing shaft 18 and the valve body 51, the more the effect of the repulsive force is doubled. In addition, the longer the overall length of the valve arm 52 is, the more effective it is, but there is no need to be particular about the shape, and the shape of the letter is used in consideration of housing in a narrow place. In addition, while the valve arm 52 and the magnet arm 23 integral with the float arm 22 are swung, the second permanent magnet 55 integral with the valve arm 52 is replaced with two sets of first permanent magnets 25 integral with the magnet arm 23. It is located in a state where it is pinched. Here, regarding the valve body 51, it is conceivable as one method to insert and fix the valve body 51 in a hole formed in the valve arm 52.

  On the other hand, the first permanent magnet 25 and the second permanent magnet 55 are operated at a high position where the drain water does not reach, so that the oil, contamination, rust, etc. contained in the drain water are not adhered. It has been added.

  Then, the adjacent first permanent magnet 25 and the second permanent magnet 55 use the repulsive force of the present invention, and as shown in FIG. The end of the first permanent magnet 25 is the N pole, the end of the second permanent magnet 55 facing the N pole, the other end of the second permanent magnet 55 is the S pole, and the first permanent magnet facing the end. It is important to obtain a repulsive force by making the end of 25 an S pole. However, the above-described S pole may be replaced with the N pole and the N pole may be replaced with the S pole.

  The number of the first permanent magnets 25 and the second permanent magnets 55 is constituted by two sets of the first permanent magnets 25 and one set of the second permanent magnets 55 as described above. However, the number of the first permanent magnets 25 and the second permanent magnets 55 need not be limited to the above-mentioned numbers, and one set and two sets, or two sets, with the other being alternately sandwiched therebetween. It is also conceivable to locate three and three sets, or three and four sets, or three and two sets, or four and three sets, or more. Thus, the reason for trying to increase the number of uses is to obtain a stronger repulsive force. Further, in order to increase the strength of the repulsive force, it is desirable that the second permanent magnet 55 of the valve arm 52 pass as close as possible to the first permanent magnet 25 of the magnet arm 23.

  By the way, regarding the first permanent magnet 25 and the second permanent magnet 55, as shown in FIG. 9, a cylindrical shape is wound with a thin plate, and both ends of the plate are connected to the ends of the magnet arm 23 and the valve arm 52. It is conceivable to fix it to the part with bolts and nuts. As yet another example, as shown in FIG. 10, the first permanent magnet 25 and the second permanent magnet 55 are prepared in a circular tube shape with a hole in the center, and the ends of the magnet arm 23 and the valve arm 52 are prepared. It is also conceivable that the bolt is passed through a circular hole and is brought into close contact with the nut by a magnetic force while being fixed to the portion with a bolt and a paramagnetic nut.

  For the first permanent magnet 25 and the second permanent magnet 55, it is conceivable to use a neodymium magnet having a strong magnetic force.

  The float drain trap and drain water discharge method according to the present invention is configured as described above, and its operation will be described below.

First, the general idea that forms the basis of the present invention will be described, focusing on the basic first permanent magnet 25 and the second permanent magnet 55 in the configuration described so far.
Here, FIG. 7 is a graph showing the relationship between the repulsive force due to the magnetic force and the distance.
In general, a mathematical formula as shown in [Equation 1] is transmitted as a force for generating a magnetic force.

  In this case, FIG. 7 is obtained by the equation of [Equation 1]. FIG. 7 shows the relationship between the distance and the force when the generated force is 1 = 1 grf when the distance is r = 1 mm. Naturally, it can be said that the smaller the distance between the first permanent magnet 25 and the second permanent magnet 55, the greater the repulsive force due to the magnetic force.

  By the way, suppose that the 2nd permanent magnet 55 was located so that it could move across the center of the 1st permanent magnet 25 so that it might be seen by FIG. In this case, it is also conceivable that the first permanent magnet 25 moves across both side surfaces of the second permanent magnet 55 in a stationary state.

  The important point is that the S pole and the N pole of the first permanent magnet 25 are positioned at the same place in the two first permanent magnets 25, whereas the two poles are positioned between the two first permanent magnets 25. With respect to the second permanent magnet 55, the second permanent magnet 55 faces the N pole of the first permanent magnet 25 so that the N pole faces the N pole of the first permanent magnet 25 so that a repulsive force due to the magnetic force can be obtained. Furthermore, it is important that the first permanent magnet 25 faces the south pole of the second permanent magnet 55. However, from the viewpoint of obtaining a repulsive force, the same repulsive force can be obtained even if the N pole is replaced with the S pole and the S pole is entirely replaced with the N pole.

  Under such circumstances, the N pole of the first permanent magnet 25 and the N pole of the second permanent magnet 55 repel each other and are rejected by the magnetic force Fn. Further, the S pole of the second permanent magnet 55 and the S pole of the second permanent magnet 55 repel each other and are rejected by the magnetic force Fs. The second permanent magnet 55 is moved away by the resultant force F (repulsive force) of Fn and Fs.

  Here, regarding the drain trap 1 of the present invention, a series of movements according to the increase or decrease of the drain water will be described.

  First, when the float main body 21 which is a part of the float 20 is at the lowermost position, it is in a state after drain water is discharged, and the magnet arm 23 and the first permanent magnet 25, especially the first permanent magnet 25 is the first one. The valve seat 15 needs to be closed by the valve body 51 and is located at the lowest point AL of the permanent magnet. Of course, the valve arm 52 and the second permanent magnet 55 are in particular the second permanent magnet 55. Is located at the highest point BH of the second permanent magnet. In this case, in addition to the pressure applied to the cross-sectional area of the valve seat 15, the first permanent magnet 25 and the second permanent magnet 55 are separated from each other. The valve seat 15 is closed by the valve body 51.

  When the water level of the drain water rises as the drain water is injected into the cover 10, the float body 21, which is a part of the float 20, rises while floating on the liquid surface. As a result, the magnet arm The first permanent magnet 25 moves closer to the second highest permanent magnet point BH as the float 20 floats while increasing the repulsive force between the valve arm 52 and the second permanent magnet 55.

  Further, when the first permanent magnet 25 of the magnet arm 23 approaches the second permanent magnet highest point BH, the repulsive force becomes the highest, and the buoyancy of the float 20 wins the repulsive force, and the second permanent magnet highest point BH is obtained. When passing through, a reverse repulsive force is applied at the moment of passing, and the first permanent magnet 25 of the magnet arm 23 is jumped up, and a float arm 22 that is integral with the magnet arm 23 is formed on the arm stopper 14. The float upper limit stopper B is stopped.

  On the other hand, when the repulsive force is amplified by the lever ratio and the pressure applied to the cross-sectional area of the valve seat 15 is overcome, the valve seat 15 is released from the valve body 51. At the same time, the valve arm 52 released from the pressure applied to the cross-sectional area of the valve seat 15 is blown to the lowest point BH of the second permanent magnet by the repulsive force of the first permanent magnet 25 and the second permanent magnet 55. Is stopped at the valve lower limit stopper A formed on the arm stopper 14.

  When the valve seat 15 is opened in this way, drain water is discharged and the liquid level is lowered. In this case, when the drain water discharge is abnormally large, the buoyancy is reduced, and not only the descent speed due to the drain water discharge but also a part of the total weight of the float 20 affects the descent speed. It becomes like this. Accordingly, the repulsive force acting between the first permanent magnet 25 and the second permanent magnet 55 is greater than the difference between its own weight and buoyancy due to the total weight of the float 20, and the float 20 descends.

  By the way, when the first permanent magnet 25 of the magnet arm 23 approaches the second permanent magnet lowest point BL, the repulsive force becomes the highest, and the difference between the weight of the float 20 and the buoyancy wins the repulsive force, and the second permanent magnet. When passing through the lowest point BL, the opposite repulsive force acts at the moment of passing, and the first permanent magnet 25 of the magnet arm 23 is bounced down, and the float arm 22 integral with the magnet arm 23 is It is stopped at the portion of the float lower limit stopper C above the mounting seat 14x.

  Finally, the second permanent magnet 55 of the valve arm 52 located at the second lowest permanent magnet BL is jumped off by the repulsive force of the first permanent magnet 25 and the second permanent magnet 55, so that the valve seat 15 is It is closed by the valve body 51. Therefore, the drainage is stopped due to this closure. Hereinafter, the drain water is intermittently discharged by repeating the operations so far.

  The present invention relates to a float drain trap and a drain water discharge method, and more specifically, receives a gas-liquid mixture of compressed air and drain water generated from the compressed air from an inlet at the top of the cover. In a float type drain trap that separates drain water from the gas-liquid mixture and discharges drain water from a discharge port provided at the lower part of the side wall, a part of the first permanent magnet that is part of the float and a part of the on-off valve By swinging the second permanent magnet, the valve seat is opened and closed by the repulsive force of the mutual magnetic force when the first permanent magnet and the second permanent magnet pass each other, thereby draining the drain water intermittently, In particular, when the float and the valve body move separately, so that they do not move together as one body, and by effectively using the repulsive force, the drain water is finally discharged with a simple configuration. Always half open Are those described for techniques prevent a state, the fact that not in this half-open state is to be said to be one of the techniques that are most desired at the float drain trap.

1. Drain trap 10 ... Cover 10a ... Inlet 10b ... Discharge port 11 ... First cover 12 ... · Second cover 13 ··· O-ring 14 ··· Arm stopper 14x · · · Mounting seat 14y · · · Stopper 14z · · · Nut 15 ··· · Valve seat 16 ··· Bracket 16A ··· Bracket 17 ··· Float swing shaft 18 ··· Valve swing shaft 20 ··· Float 21 · Float body 22 Float arm 23 Magnet arm 24 Weight 25 First permanent magnet 50・ Open / close valve 51 ・ ・ ・ ・ ・ ・ Valve 52 ・ ・ ・ ・ ・ ・ Valve arm 55 ・ ・ ・ ・ ・ ・ Second permanent magnet A ... Valve lower limit stopper AH ... First permanent magnet highest point AL ... First permanent magnet lowest point B ... Float upper limit stopper BH ... ・ Second permanent magnet highest point (intersection)
BL · ··· Second permanent magnet lowest point (intersection)
C ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Float lower limit stopper

Claims (15)

  The gas-liquid mixture of compressed air and drain water generated from the compressed air is received from the inlet at the top of the cover, drain water is separated from the gas-liquid mixture, and drain water is discharged from the outlet provided at the bottom of the side wall. In the float drain trap, when the first permanent magnet and the second permanent magnet pass each other due to the swing of the first permanent magnet that is a part of the float and the second permanent magnet that is a part of the on-off valve. A float drain trap characterized in that drain water is intermittently discharged by opening and closing a valve seat connected to the discharge port by the repulsive force of mutual magnetic force.   While the second permanent magnet is located at the uppermost point of the second permanent magnet and the valve body that is a part of the on-off valve is exerting a repulsive force so as to close the valve seat by pushing it, As the first permanent magnet rises together with the float in response to an increase in drain water, the first permanent magnet and the second permanent magnet pass each other at the highest point of the second permanent magnet, thereby causing a reverse repulsive force. 2. The float drain trap according to claim 1, wherein the valve body is opened so as to be separated from the valve seat.   While the second permanent magnet is located at the lowest point of the second permanent magnet and the valve body which is a part of the on-off valve opens the valve seat by a reverse repulsive force, As the first permanent magnet descends together with the float in accordance with the decrease, the first permanent magnet and the second permanent magnet pass at the lowest point of the second permanent magnet, resulting in a reverse repulsive force. 3. The float drain trap according to claim 2, wherein a repulsive force is applied, whereby the valve body is closed by pressing the valve seat.   The first permanent magnet and the second permanent magnet have one set and two sets, two sets and one set, two sets and three sets, or three sets and two sets, with the other in between. The float drain trap according to any one of claims 1 to 3, wherein the float drain trap is positioned.   The second permanent magnet is located on a valve arm that is a part of the on-off valve, the valve body is located on the valve arm, and the valve arm swings about a valve swinging shaft. 5. The valve arm according to claim 1, wherein the valve arm swings between a valve lower limit stopper located inside the cover and the valve seat. Float type drain trap.   The valve arm has one end positioned on the valve swing shaft and the second permanent magnet positioned on the other end, and the valve body is positioned in the vicinity of the valve swing shaft. The float drain trap according to claim 5.   The first permanent magnet is located on a float arm that is a part of the float and a magnet arm that is a part of the float that is integrated from the middle thereof, and the float body that is a part of the float is The float arm is located on the float arm, and the float body moves up and down according to the increase / decrease of the drain water in the cover. The float arm swings around the float swing shaft, and the float arm The float type drain trap according to any one of claims 1 to 7, wherein the float swings between a float lower limit stopper and a float upper limit stopper located inside the cover.   One end of the float arm is positioned on the float swing shaft, the first permanent magnet is positioned at the tip of the magnet arm integrated from the middle, and the float body is positioned at the other end. The float drain trap according to claim 7.   9. The float swing shaft and the valve swing shaft are located on a bracket, and the bracket is fixed to the inside of the cover in the vicinity of the valve seat. The float type drain trap according to the item.   It is possible to draw two intersections by setting the first permanent magnet and the second permanent magnet so as to move in a circular path close to each other, and the swing range of the valve arm is between the two intersections. The float drain trap according to any one of claims 5 to 9, wherein   The swing range of the float arm integral with the magnet arm is higher at the upper limit than the swing range of the valve arm and lower at the lower limit so that the first permanent magnet and the second permanent magnet pass each other when swinging, The float drain trap according to any one of claims 5 to 10, wherein the float drain trap is swung wider than the swing range of the valve arm as a whole.   The float type drain trap according to any one of claims 1 to 11, wherein the first permanent magnet and the second permanent magnet are neodymium magnets having a strong magnetic force.   The gas-liquid mixture of compressed air and drain water generated from the compressed air is received from the inlet at the top of the cover, drain water is separated from the gas-liquid mixture, and drain water is discharged from the outlet provided at the bottom of the side wall. In the drain water discharge method, the first permanent magnet and the second permanent magnet pass each other due to the swing of the first permanent magnet that is a part of the float and the second permanent magnet that is a part of the on-off valve. The drain water is discharged intermittently by opening and closing the valve seat connected to the discharge port by the repulsive force of the mutual magnetic force.   The first permanent magnet and the second permanent magnet are located in a state where one of the number of one is larger and the number of the smaller one is alternately sandwiched between the larger ones and the closer ones are moved. The method for discharging drain water according to claim 13.   When the float body, which is a part of the float, is at the lowest position, the second permanent magnet is pushed up to the highest point of the second permanent magnet by a repulsive force with the first permanent magnet, so that the valve seat When closed by the body and when the float body is at the top, especially when the first permanent magnet passes the top point of the second permanent magnet, which is the top point of intersection with the second permanent magnet, The valve seat is opened by the valve body when a reverse repulsive force is applied and the second permanent magnet is pushed down to the lowest point of the second permanent magnet by the repulsive force with the first permanent magnet. The method for discharging drain water according to claim 13 or claim 14, wherein:

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