WO2015199305A1

WO2015199305A1 - Solenoid valve recycling tool and solenoid valve cleaning method using same

Info

Publication number: WO2015199305A1
Application number: PCT/KR2015/000864
Authority: WO
Inventors: 최성재
Original assignee: 주식회사 케이에이알
Priority date: 2014-06-27
Filing date: 2015-01-27
Publication date: 2015-12-30
Also published as: KR101461177B1

Abstract

The present invention relates to a solenoid valve recycling tool and a solenoid valve cleaning method using the same. According to the present invention, the recycling tool for a solenoid valve, which includes a solenoid part installed in a transmission of a vehicle to control the inflow and outflow of fluid and a valve part, comprises: a fixing member that has an insertion recess formed therein into which the solenoid part is fixedly inserted; a separating member that is located above the fixing member while the valve part is inserted into the separating member, and makes the valve part separated from the solenoid part; an attaching/detaching member for attaching/detaching a bushing to/from the interior of the solenoid part separated by the separating member, the bushing being configured to prevent a leakage of fluid; and a coupling member for coupling the solenoid part and the valve part.

Description

Solenoid Valve Regeneration Tool and Solenoid Valve Cleaning Method Using the Same

The present invention relates to a solenoid valve regeneration tool and a solenoid valve cleaning method using the same. More specifically, the present invention provides an apparatus for electrically controlling a solenoid coil of a valve installed in an automatic transmission of a vehicle to control a flow of fluid. The present invention relates to a solenoid valve regeneration tool and a method of cleaning a solenoid valve using the same.

The automatic transmission of the vehicle is composed of a torque converter for transmitting power, a valve body for controlling hydraulic pressure, respective brakes and clutches, planetary gears for controlling speed, and a differential device.

Here, the valve body is equipped with various types of solenoid valves, such as an overdrive solenoid valve, an underdrive solenoid valve, a second solenoid valve, a damper solenoid valve, and are used to control the oil in each shift stage in the transmission.

The solenoid valves used in the vehicle can be divided into on / off solenoid valves and solenoid valves for variable pressure according to the operation method.The variable pressure solenoid valves are used in automobiles, such as injector, exhaust control system, power steering, active suspension, It is used in various fields such as automatic transmission.

In particular, a vehicle solenoid valve is generally used for ultra high speed (response time is 30ms or less), and is optimized for each use.

In addition, the on / off solenoid valve applies a constant current to the coil of the solenoid valve so that the plunger is operated to open or close the valve repeatedly, and the flow of the fluid is regulated. It is possible and used in many fields.

In addition, the solenoid valve for pressure regulation is classified into a spool type, a ball type, a poppet type, etc. according to its internal structure, and an example of a spool type solenoid valve is disclosed in Korean Patent Application Publication No. 10-2014-0066559 "Solenoid Valve". .

The solenoid valve is largely composed of a solenoid that operates when power is applied, and a valve that regulates the entry and exit of fluid by the operation of the solenoid.

Here, the solenoid is a case, a bobbin (spindle) installed inside the case, a coil wound around the outer peripheral surface of the bobbin, a yoke inserted through the bottom of the bobbin, a core coupled to the top of the bobbin, and installed inside the yoke It includes a plunger.

The valve also includes a holder, a spool movably installed inside the holder, a pressure adjusting screw coupled to the top of the spool, and a spring interposed between the spool and the pressure adjusting screw.

Therefore, when power is applied to the coil, the plunger reciprocates inside the yoke and moves or disconnects a plurality of ports by moving the spool.

The operation of the valve of the solenoid is no problem at the beginning, but if the service life increases, malfunction occurs due to the wear of the foreign matter and the bushing accumulated inside.

In particular, when foreign matter accumulates in the solenoid valve, the reaction of the plunger, which is linearly reciprocated in the yoke, is slowed down, and the direction of wear of the bushing is shifted, causing a malfunction in the solenoid valve. It will cause serious defects.

However, since there is no specific disassembly and cleaning tool of the solenoid valve to solve the above problems, the transmission itself needs to be replaced, and the removed transmission is disposed of instead of being reused, which is a waste of resources, cost loss, and environmental pollution. There is a problem leading to the problem.

Accordingly, an object of the present invention is to provide a solenoid valve regeneration tool capable of disassembling and assembling a solenoid valve for removing foreign matter accumulated therein and a method for cleaning a solenoid valve using the same.

In addition, the object of the present invention is to provide a solenoid valve regeneration tool capable of regenerating a solenoid valve and removing a solenoid valve using the same, by removing foreign substances and replacing parts constituting the configuration.

In addition, an object of the present invention is to provide a solenoid valve regeneration tool for reducing the malfunction of the solenoid valve by maximizing the performance of the regenerated solenoid valve and a solenoid valve cleaning method using the same.

In addition, an object of the present invention is to provide a solenoid valve regeneration tool and a method of cleaning a solenoid valve using the same, by which regeneration of the solenoid valve extends the performance and the life of the device in which the solenoid valve is installed, thereby reducing the replacement.

In addition, an object of the present invention is to provide a solenoid valve regeneration tool and a method of cleaning a solenoid valve using the same, in which replacement of the assembly device in which the solenoid valve is installed is reduced, thereby preventing resource waste, cost loss, and environmental pollution.

In order to achieve the above and other objects of the present invention, according to an embodiment of the present invention, in the regeneration tool of the solenoid valve consisting of a solenoid portion and a valve portion provided to control the flow of fluid installed in the transmission of the vehicle, A fixing member in which the solenoid portion is inserted and fixed in an insertion groove, a valve member inserted therein and positioned above the fixing member, the separating member separating the valve portion from the solenoid portion, and separated by the separating member. It provides a solenoid valve regeneration tool comprising a detachable member for attaching and detaching a bushing provided to prevent the leakage of fluid inside the solenoid portion and a coupling member for coupling the solenoid portion and the valve portion.

The separating member is characterized in that the at least one protruding piece protrudes at a predetermined position on the side of the end portion located above the fixing member.

The detachable member may include a seating jig in which the solenoid portion is seated, a removal pin used to remove oil from each of the solenoid portions in the longitudinal direction of the solenoid, and a bushing pin used to couple the bushing to the solenoid portion. It is characterized by consisting of a coupling pin.

The coupling member includes a body, a valve portion insertion groove formed in the longitudinal direction inside the body, a tapered groove formed along an arc at an end of the longitudinal end of the body in which the valve portion insertion groove is formed, and the tapered groove. Characterized in that it consists of a guide groove formed in a predetermined position on the outer surface of the end edge of the body to communicate with.

Still another object of the present invention is to provide a solenoid valve cleaning method for regeneration of a solenoid valve that is separated and coupled using a solenoid valve regeneration tool.

The washing method includes the steps of separating the solenoid valve into a solenoid portion and a valve portion, removing a bushing from the solenoid portion, washing each of the solenoid portion and the valve portion with a washing solution, and washing the solenoid portion. And coupling the valve unit and inspecting the coupled solenoid valve through a tester.

Solenoid valve regeneration tool and a solenoid valve cleaning method using the same according to an embodiment of the present invention, there is an effect capable of disassembly and assembly of the solenoid valve for removal of accumulated foreign matter.

In addition, there is an effect capable of regenerating the solenoid valve through the removal of foreign matter and replacement of the components constituting the configuration.

In addition, the performance of the regenerated solenoid valve is maximized, thereby reducing the malfunction of the solenoid valve.

In addition, the regeneration of the solenoid valve has the effect of reducing the replacement by extending the performance and life of the device in which the solenoid valve is installed.

In addition, the replacement of the device equipped with the solenoid valve is reduced, there is an effect that prevents waste of resources, cost loss and environmental pollution.

1 is a cross-sectional view showing the configuration of a conventional solenoid valve.

2 is a block diagram of a solenoid valve regeneration tool according to an embodiment of the present invention.

Figure 3 is a state showing the state of disassembling the solenoid valve using a solenoid valve regeneration tool according to an embodiment of the present invention.

Figure 4 is a state showing the state of assembling the solenoid valve using the solenoid valve regeneration tool according to an embodiment of the present invention.

Figure 5 is a flow chart according to the solenoid valve regeneration tool and the solenoid valve cleaning method using the same according to an embodiment of the present invention.

** Description of symbols for the main parts of the drawing **

100: solenoid valve 110: solenoid portion 111: case

112: bobbin 113: coil 114: yoke

115: core 116: plunger 117: bushing

118: connector 120: valve portion 121: holder

122: spool 123: pressure adjusting screw 124: spring

200: Solenoid valve regeneration tool

210: fixing member 212: insertion groove 214: height adjustment piece

216: cutting groove 220: separating member 222: protruding piece

230: removable member 232: mounting jig 234: mounting groove

236: removal pin 238: coupling pin 239: protruding pin

240: coupling member 242: body 244: valve portion insertion groove

246: tapered groove 248: guide groove

S10: Separation step S20: Bushing removal step S30: Cleaning step

S40: combining step S50: inspecting step

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a cross-sectional view showing the configuration of a conventional solenoid valve, Figure 2 is a configuration diagram of a solenoid valve regeneration tool according to an embodiment of the present invention, Figure 3 is a solenoid using a solenoid valve regeneration tool according to an embodiment of the present invention Figure 4 is a state diagram showing the state of disassembling the valve, Figure 4 is a state diagram showing the state of assembling the solenoid valve using the solenoid valve regeneration tool according to an embodiment of the present invention, Figure 5 is a solenoid valve according to an embodiment of the present invention Flow chart according to the regeneration tool and the solenoid valve cleaning method using the same.

1 to 4, the solenoid valve regeneration tool 200 according to an embodiment of the present invention is installed in the transmission of the vehicle to the solenoid unit 110 and the valve unit 120 is provided to control the entry and exit of the fluid. Regeneration tool for the separation and coupling of the solenoid valve 100 made comprises a holding member 210, a separating member 220, a removable member 230 and the coupling member 240.

Here, referring to FIG. 1, the solenoid valve 100 includes a solenoid part 110 and a valve part 120, and the solenoid part 110 includes a case 111, a bobbin 112, a coil 113, The yoke 114, the core 115, and the plunger 116 are formed, and the valve unit 120 includes the holder 121, the spool 122, the pressure adjusting screw 123, and the spring 124.

The solenoid valve 100 is installed in a transmission (not shown) of the vehicle, and when power is applied to the coil 113, the plunger 116 reciprocates in the yoke 114 to move the spool 122. In this way, a plurality of ports (not shown) are connected or blocked to interrupt the entry and exit of the fluid.

In this case, bushings 117 are respectively coupled to the centers of both ends of the solenoid portion 110 to which the plunger 116 is coupled. The bushings 117 prevent oil leakage and are linearly fast at the inside of the yoke. Support the reciprocating plunger 116.

Here, the solenoid valve 100 is different in size and shape depending on the device to be installed, but since it is a universal device used to electrically control the flow of the fluid of the installed device, a detailed description thereof will be omitted.

The fixing member 210 has a cross section having a 'ㅗ' shape, and the lower side thereof is seated on a work table or fixed to a chuck vise or the like. At this time, by turning the handle to be provided with a lifting magnet (Lifting Magnet) to generate a magnetic force on the bottom it is also possible to facilitate the use when the work table is a metal.

The fixing member 210 is fixed to the solenoid portion 110 is inserted into the insertion groove 212 formed therein.

Insertion groove 212 is formed in the upper protrusion of the fixing member 210 of the 'ㅗ' shape, formed to a predetermined depth that can be inserted into the solenoid portion 110 from the upper end to the lower side in the height direction. do.

At this time, by arbitrarily inserting a plurality of height adjusting pieces 214 having a predetermined thickness inside the insertion groove 212, each of the solenoid portion 110 having various lengths according to the device to be installed is fixed to one The member 210 is properly corresponded.

The outer circumferential surface of the fixing member 210 is formed with a cutting groove 216 in communication with the insertion groove 212.

The cutting groove 216 is formed in a height direction from an upper end of one edge of the outer circumferential surface of the fixing member 210 so as to communicate with the insertion groove 212, when the solenoid portion 110 is inserted into and fixed to the insertion groove 212. The connector 118 coupled to the unit 110 is fixed.

Separation member 220 is provided in a 'TT' shape of the cross-section upper part of the '-' portion serves as a handle for rotation of the separating member 220, the lower side of the 'l' portion is a valve portion ( 120) is inserted.

At this time, the rotation of the separating member 220 may be used in various ways, such as manual rotation through the rotation of the operator and automatic rotation through a separate rotary device.

Separation member 220 is the valve portion 120 is inserted into the upper position of the fixing member 210, that is, one side of the lower end of the 'l' portion of the separating member 220 and the fixing member 210 One side of the upper end of the 'l' portion of the a) is positioned in contact with each other so that the valve 120 from the solenoid portion 110 through rotation.

The separating member 220 has at least one protruding piece 222 protruding from a predetermined side surface of the end portion positioned above the fixing member 210.

Protruding piece 222 is a cross-sectional shape is provided in a trapezoidal shape, the angle formed on the front of the trapezoid (脚, two other sides except the two sides of the trapezoid parallel parallel side) is formed to be inclined downward from the top to the bottom. And, the width in the longitudinal direction from the front to the rear is provided to gradually thicken.

This, the protrusion 222 is located in the incision groove 216 of the upper part of the connector 118, when the separation member 220 is rotated, the inner side of the case 111 surrounding the outer peripheral surface of one end of the valve portion 120 Inserted to open the end of the case 111 by pushing the end of the case 111 in the outward direction.

The detachable member 230 attaches and detaches a bushing 117 provided to prevent leakage of a fluid inside the solenoid portion 110 separated by the separating member 220.

The detachable member 230 includes a mounting jig 232, a removal pin 236, and a coupling pin 238.

The mounting jig 232 is provided in a plate shape having a predetermined thickness, and the solenoid portion 110 is seated on the upper surface.

This, the mounting jig 232, the upper surface of the '8' shaped seating grooves 234 is formed, the two grooves in the seating groove 234, one side of the longitudinal end of the solenoid portion 110 and the connector 118 are located respectively, which protects the connector 118 due to the mounting and external impact of the stable solenoid portion 110.

The removal pins 236 are used to remove the bushings 117 respectively provided to prevent leakage of the fluid at both ends of the solenoid 110 in the longitudinal direction.

The removal pins 236 are provided in a cylindrical rod shape, and the bushings 117 respectively provided at both ends of the solenoid part 110 in the longitudinal direction are inserted into the solenoid part 110 from which the plunger 116 is removed. Push to be separated from the unit (110).

Accordingly, the removal pin 236 is first inserted through the other bushing 117 of the other side when the one of the two bushings coupled to the solenoid portion 110 is removed, thereby removing one end of the bushing 117. Since it is pushed, it is preferable that the diameter be smaller than the inner diameter of the bushing 117.

Coupling pin 238 is used when coupling the bushing 117 to the solenoid portion (110).

Coupling pin 238 is provided in a cylindrical shape and is provided with a protruding pin 239 protruding outwardly on one side of either side of the longitudinal direction, the bushing 117 to be replaced on the outer peripheral surface of the protruding pin 239 Insert the bushing 117 into each of the solenoid portion 110 is removed.

Here, the coupling pin 238 and the above-described removal pin 236 is coupled to a manual method or a device capable of adjusting the rotational torque and pressure load through the operator, respectively, so that the coupling and separation through the automatic method is possible to increase the working speed. It is also possible to improve and prevent breakage due to shocks at the time of joining.

Coupling member 240 is coupled to the solenoid unit 110 and the valve unit 120, the same as the separation member 220, the fixed member in which the valve unit 120 is received and the solenoid unit 110 is inserted and fixed Located on top of 210.

Coupling member 240 is composed of a body 242, a valve insertion groove 244, a tapered groove 246, a guide groove 248 provided in a cylindrical shape.

The valve portion insertion groove 244 is formed in the longitudinal direction inside the body 242, and refers to the groove in which the valve portion 120 is inserted into the body 242 provided in a cylindrical shape.

The tapered groove 246 is formed to be curved in a '∪' shape, and is formed along an arc at one end of the longitudinal direction of the body 242 in which the valve part insertion groove 244 is formed.

That is, the tapered groove 246 has an end of the case 111 opened through the protruding piece 222 when the body 242 is pushed from the upper side to the lower side toward the inner circumferential surface of the valve unit 120 through the curved portion. Push to collect to be coupled to the valve unit (120).

The guide groove 248 is formed at a predetermined position on the outer side of the end edge of the body 242 so as to communicate with the tapered groove 246, that is, when the body 242 is pressed from the top to the bottom toward the fixing member 210. Ensure that 118 is received and protected.

Hereinafter, a solenoid valve cleaning method for regeneration of the solenoid valve 100 using the regeneration tool 200 according to the embodiment of the present invention having the configuration as described above will be described.

3 to 5, the solenoid valve cleaning method according to an embodiment of the present invention, the solenoid valve separation step (S10), the solenoid portion bushing removal step (S20), solenoid portion and valve portion washing step (S30), solenoid Valve coupling step (S40), including the order of the inspection step (S50).

In the separating step (S10), the solenoid valve 100 inserted into the fixing member 210 is separated into the solenoid part 110 and the valve part 120 through the rotation of the separating member 220.

Here, the protruding piece 222 is preferably provided at a position that can be entered between the end portion of the inner surface of the case 111 and the end of each of the outer surface of the valve unit 120, wherein the protruding piece 222 is a cutting groove Rotation is completed when it reaches the original position of the incision groove 216 before it is rotated and rotated at 216.

At this time, the solenoid part 110 is in a state in which the bushing 117 is inserted, and the case 111 and the plunger 116 are separated from the solenoid part 110, respectively.

In the bushing removing step S20, the bushing 117 is removed from the solenoid part 110.

At this time, when the removal pin 236 is inserted into the solenoid portion 110 seated on the seating jig 232, the pin is inserted obliquely at a predetermined inclination to remove the pin on one side of the bushing 117 having a circular cross section. Allow the end of 236 to reach.

Here, the bushing 117 may be seated on the mounting jig 232 by turning the solenoid part 110 such that the bushing 117 to be removed is positioned in the seating recess 234.

In the solenoid portion and the valve portion washing step (S30), each of the solenoid portion 110 and the valve portion 120 is washed with a washing liquid.

At this time, the washing is to use a dedicated washing liquid, and to wash each component separated in the separation step (S10) using a variety of methods, such as removing the fine residue, manual washing, high pressure washing by the operator's manual work.

In the solenoid valve coupling step (S40), the solenoid unit 110 and the valve unit 120 are coupled to each other.

At this time, each bushing 117 is inserted into the solenoid part 110 using the coupling pin 238, and then the case 111 and the plunger 116 separated in the separation step S10 are assembled to the solenoid part 110. By the separation step (S10) to make the state of the solenoid portion 110 and the valve portion 120 divided through the separation member 220.

Thereafter, the solenoid part 110 is inserted into the fixing member 210, and the coupling member 240 in which the valve part 120 is inserted is positioned on the fixing member 210, and the coupling member 240 is positioned. Pressing toward the fixing member 210 located at the bottom.

At this time, it is preferable to check the insertion state of the guide groove 248 so that the connector 118 is not damaged, and to prevent the chewing by allowing the case 111 to be correctly guided along the tapered groove 246.

In the inspection step (S50) to check the operating state and performance of the solenoid valve 100 through a tester (not shown).

At this time, the operation state, efficiency, reaction time, etc. of the solenoid valve 100 is confirmed, and a document showing an example of such a device is disclosed in Korean Patent No. 10-0703977 "Valve Test Device and Solenoid Valve Test Method and Venturi Valve Test Method." ", Detailed description thereof will be omitted.

Therefore, in one embodiment of the present invention, the solenoid valve regeneration tool and the solenoid valve cleaning method using the same have an effect of disassembling and assembling the solenoid valve for removing foreign matter accumulated therein.

Although preferred embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art may variously modify and change the present invention without departing from the spirit of the invention as set forth in the claims below. I will understand.

The present invention relates to a solenoid valve regeneration tool and a solenoid valve cleaning method using the same. More specifically, the present invention provides an apparatus for electrically controlling a solenoid coil of a valve installed in an automatic transmission of a vehicle to control a flow of fluid. It can be used for the solenoid valve regeneration tool for cleaning and reusing the insolenoid valve and the solenoid valve cleaning method using the same.

Claims

In the regeneration tool of the solenoid valve is provided with a solenoid portion and a valve portion provided to control the fluid flow in the transmission of the vehicle,

A fixing member in which the solenoid portion is inserted and fixed in an insertion groove formed therein;

A separating member inserted into the valve portion and positioned above the fixing member, the separating member separating the valve portion from the solenoid portion;

A detachable member for attaching and detaching a bushing provided to prevent leakage of fluid inside the solenoid portion separated by the separating member; And,

Solenoid valve regeneration tool, characterized in that consisting of; a coupling member for coupling the solenoid portion and the valve portion.
The method according to claim 1,

The separation member is a solenoid valve regeneration tool, characterized in that at least one protruding piece protrudes in a predetermined position on the side of the end portion located above the fixing member.
The method according to claim 1, wherein the removable member,

It consists of a mounting jig in which the solenoid portion is seated, a removal pin used to remove the bushing respectively provided to prevent oil leakage at both ends of the solenoid portion in the inner longitudinal direction, and a coupling pin used to couple the bushing to the bushing. Solenoid valve regeneration tool.
The method according to claim 1, The coupling member,

A body, a valve portion insertion groove formed in the longitudinal direction inside the body, a tapered groove formed along an arc at an end of the longitudinal end of the body in which the valve portion insertion groove is formed, and the body to communicate with the tapered groove Solenoid valve regeneration tool, characterized in that consisting of a guide groove formed in a predetermined position on the outer surface of the end edge.
A solenoid valve cleaning method for regeneration of a solenoid valve which is separated by using the regeneration tool of at least one of claims 1 to 4.
The method of claim 5, wherein the washing method,

Separating the solenoid valve into a solenoid portion and a valve portion;

Removing a bushing from the solenoid portion;

Washing each of the solenoid part and the valve part with a washing solution;

Coupling the washed solenoid portion and the valve portion;

Inspecting the combined solenoid valve through a tester; Solenoid valve cleaning method characterized in that consisting of.