WO2013058581A2

WO2013058581A2 - Foot valve system

Info

Publication number: WO2013058581A2
Application number: PCT/KR2012/008558
Authority: WO
Inventors: 김노석
Original assignee: (주)정우이노텍
Priority date: 2011-10-18
Filing date: 2012-10-18
Publication date: 2013-04-25
Also published as: WO2013058581A3; KR20130042332A

Abstract

The present invention relates to a foot valve system comprising: a frame; a housing member which is installed on the frame; a base member which is supported on the housing member, wherein at least one inlet port and at least one outlet port of water are formed; valve units which are rotatably installed on the base member, and have control members having connection passages for selectively communicating the inlet port and the outlet port; a pedal for operating the control members; and a pedal-operating force delivery unit which is installed between the pedal and the valve units, converts an operating force of the pedal into a rotational force such that a water flow is controlled to the outlet port from the inlet port by the operation of the pedal, and delivers the converted rotational force to the control members. A foot valve system according to the present invention can operate valve units using control members which are rotatably installed on a base member by employing an operating force in accordance with the rotation of a pedal, thereby accomplishing a simple operation, a high operational reliability, and easy maintenance.

Description

Foot valve system

The present invention relates to a foot valve system, and more particularly, to a foot valve system with improved valve unit and an operation portion for driving the valve unit.

Typically, a water supply facility installed in a factory, a bathroom, a wash basin, a drinking fountain, a shower stall, a household twink, and the water supply is continuously performed by a single valve operation. This supply of water causes waste of water when water is not used continuously. Therefore, a water saving device is required to control the flow of water so that water can be supplied only when it is used.

Most of these water-saving devices or supply systems for supplying water have a valve unit for controlling the flow of water and an operation unit for operating the valve unit. Japanese Patent Laid-Open No. 2001-173048 discloses a foot valve driving water saving device having a valve body, a metal boss, and a pedal unit coupled to the valve body via a metal boss and having a pedal unit for driving the valve by a cable. . This water-saving device has a structure in which water of a power receiver is interrupted by wires drawn in and drawn out from a pedal roller of a pedal.

US patent US5199119 discloses a push button valve connected by a foot pedal and a wire cable and operated by the foot pedal. US Pat. No. 5,263,684 discloses a water faucet valve mechanism using a cable connected to a pedal. Disclosed is a valve structure for operating. US Pat. No. 5,511,763 discloses a foot operated stop valve connected via a foot actuator and cable mechanism to supply cold and hot water.

Since the valves configured as described above have a structure in which a pedal or an actuator is connected to and operated by a cable, it is difficult to accurately control the valve by a flexible cable.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a foot valve system having a simple disk drive type and a driving mechanism for operating the valve.

The foot valve system of the present invention for achieving the above object is a frame, a housing member installed on the frame, a base member formed with at least one inlet and outlet of the water supported by the housing member, and rotates on the base member Or a slidably installed valve unit having an intermittent member provided with a connecting passage for selectively communicating the inlet and outlet, a pedal for operating the intermittent member, and between the pedal and the valve unit, In order to control the flow of water from the inlet to the outlet by the operation of the pedal is provided with a pedal operation force transmission unit for converting the operating force of the pedal to the rotational force to transmit to the intermittent member.

The pedal operating force transmitting unit may be rotated by a rotational shaft of the rotating shaft installed on the frame, the link member is fastened to the rotating shaft, the pedal is installed at the end drawn from the frame, and the link member is rotated. It is preferable to include a drive gear fastened to the rotation shaft and a driven gear fastened to a rotation shaft formed at the rotation center of the intermittent member and engaged with the drive gear.

The rotating shaft extends in a direction crossing the longitudinal direction of the rotating shaft, and the driven gear and the driving gear are formed of bevel gears.

In addition, the pedal operation force transmission unit is rotated by the rotation of the rotation shaft is rotatably installed on the frame, the link member is fastened to the rotation shaft, the pedal is installed at the end drawn out from the frame, and the link member It is fastened to the rotating shaft, and formed into an arc having a predetermined radius with respect to the rotating shaft, the outer circumferential surface of the arc-shaped gear formed with a plurality of gears, and the driven shaft coupled to the rotating shaft formed in the rotation center of the intermittent member A gear may be rotatably installed in the frame between the arc gear and the driven gear, and may be provided with an idle gear meshed with the arc gear and the driven gear so that the arc gear and the driven gear rotate in the same direction.

On the other hand, the pedal operation force transmission unit is coupled to the rotating shaft rotatably installed in the frame, the rotating shaft, the pedal is installed in one end drawn from the frame, the other end extends in the direction parallel to the longitudinal direction A link member having a long hole formed therein, a pivot arm fixed to a rotation shaft formed at a rotation center of the intermittent member and extending in a direction crossing the longitudinal direction of the rotation shaft, and a long hole of the link member and an end of the pivot arm. It may be provided with a hinge pin for hinge connection.

And an elastic member for elastically biasing the link member so that one end of the link member provided with the pedal rotates upward, the link member is hinged to the pivot shaft to be rotatable in the longitudinal direction of the pivot shaft. Preferably, the frame has a locking jaw formed on a rotational trajectory of the link member so that the link member can be caught when the link member is rotated in the longitudinal direction of the pivot shaft to fix the rotational position of the link member.

At this time, the locking step is formed with an interference protrusion protruding downward on the lower side contacting the link member, the link member is formed with an insertion groove on the upper surface so that the interference projection can be inserted in contact with the locking step.

The base member is formed such that the inlet and outlet are spaced apart from each other along an imaginary first circumference having a predetermined radius with respect to the rotation axis of the intermittent member, and the intermittent member is formed on the side opposite to the base member. And a communication groove communicating with the outlet, wherein at least one opening and closing is formed on a virtual second cylinder having the same radius as the first cylinder with respect to the rotation axis to selectively open and close the inlet and the outlet by rotation. Protuberances protrude.

On the other hand, the intermittent member is slidably installed in the base member, the valve unit is further provided with a lever member for controlling the flow of water to the inlet and outlet by moving the intermittent member relative to the base member, The pedal operating force transmission unit is rotatably mounted to the frame, the rotation member is coupled to the rotation shaft, the link member is installed at the end drawn from the frame and the pedal is rotated by the rotation of the link member A first transmission link fastened to the pivot shaft, a second transmission link hinged at both ends of the first transmission link and the lever member, and installed between the link member and the frame to move the pedal upward. It may be provided with an elastic member for elastic bias.

The control member may be slidably installed on the base member, and the valve unit may further include a lever member which moves the control member with respect to the base member to control the flow of water to the inlet and the outlet. The pedal operating force transmission unit is rotatably mounted to the frame, the rotation member is coupled to the rotation shaft, the link member is installed at the end drawn from the frame and the pedal is rotated by the rotation of the link member A third transmission link coupled to the rotation shaft and extending in a direction adjacent to the lever member, the third transmission link having a long hole extending in a longitudinal direction, and a rotation pin connecting the lever member to a hinge through the long hole of the third transmission link. It may be provided.

On the other hand, the intermittent member is slidably installed in the base member, the valve unit is further provided with a lever member for controlling the flow of water to the inlet and outlet by moving the intermittent member relative to the base member, The pedal operating force transmitting unit may include a driven arc gear installed in the lever member, and a driving arc gear meshed with the arc gear, which rotates forward or backward by the closing moon.

The foot valve system according to the present invention can operate the valve units using the intermittent member rotatably installed in the base member by using the operating force according to the rotation of the pedal, the operation is simple and can increase the reliability according to the operation, maintenance There is an advantage that it is easy.

1 is a cross-sectional view showing a state in which the foot valve system according to the invention mounted on the sink,

2 is an exploded perspective view of the foot valve system according to the present invention;

3 is a cross-sectional view of the foot valve system of FIG.

4 is a perspective view showing an operating state of the foot valve system of FIG.

5 is an exploded perspective view of a foot valve system according to another embodiment of the present invention;

6 is a cross sectional view of the foot valve system of FIG. 5;

7 is an exploded perspective view of a foot valve system according to another embodiment of the present invention;

8A and 8B are cross-sectional views of the base member and the intermittent member of the foot valve system according to the present invention,

9A and 9B are cross-sectional views of the base member and the intermittent member of the foot valve system according to another embodiment of the present invention;

10 is an exploded perspective view of a foot valve system according to another embodiment of the present invention;

FIG. 11 is a cross sectional view of the foot valve system of FIG. 10; FIG.

12 is a cross-sectional view of a foot valve system according to another embodiment of the present invention;

13 is a cross-sectional view of a foot valve system according to another embodiment of the present invention.

Hereinafter, a foot valve system according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in more detail.

1-4 illustrate a foot valve system 100 according to an embodiment of the present invention.

Referring to the drawings, the foot valve system 100 is connected to the connection pipe 16 between the nozzle 15 and the discharge port of the control valve 14 connected to the raw

water supply pipes

12 and 13 for supplying the cold and hot water of the sink. It is installed to interrupt the supply of water, the frame 200, the valve unit 300 installed on the frame 200, the pedal 400 supported by the frame 200, the valve unit 300 and the pedal It is provided between the 400 is provided with a pedal operating force transmission unit 500 for transmitting the operating force of the pedal 400 to the valve unit (300).

Frame 200 is formed of a rectangular parallelepiped having an installation space therein. The installation space of the frame 200 includes a first space 211 in which the valve unit 300 is installed and a second space 212 in which the pedal manipulation force transmission unit 500 is installed by the partition wall 210 extending in the front-rear direction. Divided into. The partition wall 210 is formed with a through hole 213 to be inserted so that the pivot shaft 510 of the pedal operation force transmission unit 500 to be described later.

The frame 200 has a cutout portion 214 formed therethrough so that the link member 520 of the pedal manipulation force transmission unit 500 to be described later is drawn out to the front surface corresponding to the second space 212. . At this time, the cutout 214 is preferably extended in the vertical direction so that the link member 520 can be rotated in the vertical direction.

In addition, the frame 200 has a latching jaw 230 formed in the cutout 214 on the rotational trajectory of the link member 520 so that the link member 520 can be caught to fix the rotational position of the link member 520. It is. Hanging jaw 230 is preferably formed in the middle or lower portion of the incision 214. At this time, the engaging projection 230 is formed with an interference protrusion 231 downward so as to interfere with the link member 520 at the lower end of the contact surface of the link member 520.

On the other hand, the cover 220 is installed on the front surface of the frame 200 to cover the locking step 230. The cover 220 is formed in a plate shape having a predetermined thickness, and extends in the vertical direction in a length corresponding to the cutout 214, respectively, on the upper and lower ends of the first extension member 221. And second and

third extension members

222 and 223 extending in a direction orthogonal to the first extension member 221.

The second extension member 222 has a sliding groove extending in a direction parallel to the extending direction at positions spaced apart from each other in the vertical direction. At this time, a plurality of insertion protrusions are formed on the front surface of the frame 200 above the cutout 214 so that the cover 220 can be inserted into the sliding groove to be slidably installed. On the other hand, although not shown in the drawings, the cover 220 may further include a spring for biasing elastically so that the first extension member 221 slides in the direction covering the locking step 230.

The valve unit 300 includes a housing member 310 installed in the frame 200, a base member 320 supported by the housing member 310, and having a water inlet 322 and an outlet 321 formed therein, and the base. It is rotatably installed in the member 320, the inlet 322 and the outlet 321 is provided with an intermittent member 330 provided with a connection passage for selectively communicating.

The housing member 310 is formed in a cylindrical shape having an inner space so that the intermittent member 330 can be inserted therein, and on one side thereof, a protruding hole to protrude outward from the rotating shaft 333 of the intermittent member 330. 311 is formed. In addition, the housing member 310 is preferably formed with a plurality of coupling grooves on the other end edge so that the coupling protrusion 323 of the base member 320 to be described later is inserted.

The base member 320 will be described in detail with reference to FIGS. 8A and 8B as follows.

The base member 320 is formed in a disc shape having an outer diameter corresponding to the outer diameter of the housing member 310 so as to cover the other end of the housing member 310. The base member 320 is predetermined based on the rotation axis of the intermittent member 330 so that the inlet 322 and the outlet 321 can be selectively opened and closed by the intermittent member 330 rotating in the housing member 310. Are spaced apart from each other along a virtual first circumference having a radius of. At this time, the inlet 322 and the outlet 321 is preferably formed in a fan-shaped shape at positions opposite to each other based on the rotation axis of the control member 330.

In addition, the base member 320 has a coupling protrusion 323 formed at a position corresponding to each of the coupling grooves so as to be inserted into the coupling groove at one side edge opposite to the housing member 310.

The intermittent member 330 is formed in a cylindrical shape having an outer diameter corresponding to the inner diameter of the housing member 310 so as to be rotatably inserted into the housing member 310. The intermittent member 330 has a circular communication groove 331 formed on the other side facing the base member 320 so as to communicate with the inlet 322 and the outlet 321 of the base member 320.

In addition, the intermittent member 330 is on a virtual second circumference having the same radius as the first circumference with respect to the rotation axis to selectively open and close the inlet 322 and the outlet 321 of the base member 320. Opening and closing protrusion 332 is formed to protrude in the direction of the base member 320 on one side. At this time, the opening and closing protrusion 332 is formed in a fan shape, it is preferable that the inlet 322 and the outlet 321 is formed in an area of the same size or larger.

When the user does not operate the pedal 400, the opening and closing protrusion 332 is positioned to face the inlet 322 or the outlet 321 so as to open and close at least one of the inlet 322 and the outlet 321. 330 is installed in the housing member 310. When the user operates the pedal 400, the pedal operating force transmission unit 500 converts the operating force of the pedal 400 into the rotational force to rotate the intermittent member 330, and the opening and closing member by the intermittent member 330 rotated. Is located between the inlet 322 and the outlet 321, the inlet 322, the communication groove 331, the outlet 321 is in communication with each other. Water introduced into the communication groove 331 introduced through the inlet 322 communicated with the raw water supply pipe is discharged to the connection pipe connected to the outlet 321.

In addition, the intermittent member 330 has a rotation shaft 333 protruded to the center of rotation of one side. The rotating shaft 333 has a rectangular cross section, and is formed to extend a predetermined length in a direction parallel to the longitudinal direction of the intermittent member 330 so as to protrude out of the housing member 310 through the protrusion 311.

9A and 9B illustrate a base member 350 and an intermittent member 360 according to another embodiment of the present invention.

Elements having the same function as in the above-described drawings are denoted by the same reference numerals.

Referring to the drawings, the base member 350 is formed with two inlets 352 and two outlets 351, the inlets 352 and the outlets 351 are based on the rotation axis of the intermittent member 360 It is formed spaced apart from each other on the virtual first circumference having a predetermined radius. In this case, the inlets 352 and the outlets 351 may be spaced apart by an angle of 90 ° based on the rotation axis of the control member 360. In addition, the inlets 352 are formed to face each other based on the rotation axis of the intermittent member 360.

The intermittent member 360 has two opening and closing projections 362 formed on a virtual second circumference having the same radius as the first circumference with respect to the rotation axis, and the opening and closing projections 362 are opposed to each other based on the rotation axis. It is formed at the position. At this time, the opening and closing projections 362 is preferably formed in a fan shape having a central angle of 90 °.

When the user does not operate the pedal 400, the closing member 362 may be positioned to face the inlet 352 or the outlet 351 to open or close at least one of the inlet 352 and the outlet 351. 360 is installed in the housing member 310. When the user operates the pedal 400, the pedal operating force transmission unit 500 converts the operating force of the pedal 400 into rotational force to rotate the intermittent member 360, and the opening and closing protrusion by the intermittent member 360 rotated. 362 is positioned so that a portion of the inlet 352 and the outlet 351 are opened so that the inlet 322, the communication groove 331, and the outlet 321 communicate with each other. Water introduced into the communication groove 331 introduced through the inlet 322 communicated with the raw water supply pipe is discharged to the connection pipe connected to the outlet 321.

The valve unit 300 is installed in the frame 200 by an auxiliary housing. The auxiliary housing is provided with an internal space into which the valve unit 300 is inserted, and an insertion hole is formed at one side thereof so that the valve unit 300 is inserted into the internal space. The other side of the auxiliary housing is connected in communication with the raw water supply pipe (12, 13) and the connecting pipe (16). At this time, the valve unit 300 is preferably inserted into the auxiliary housing so that the inlet 322 and the outlet 321 of the base member 320 is in communication with the raw water supply pipe and the connection pipe, respectively.

The insertion port of the auxiliary housing is opened and closed by a cover member, and the inner circumferential surface of the insertion port is threaded to be screwed with the cover member. The cover member is formed in a cylindrical shape provided with a screw thread on the outer circumferential surface so as to be screwed to the insertion hole, the outlet side is formed so that the rotating shaft 333 of the intermittent member 330 is drawn out to one side.

The valve unit 300 is installed in the first space 211 of the frame 200 by an auxiliary housing, and is preferably installed such that the rotation shaft 333 of the control member 330 is parallel with the extending direction of the partition wall 210. Do.

The pedal manipulation force transmission unit 500 includes a rotation shaft 510 rotatably installed on the frame 200, a link member 520 fastened to the rotation shaft 510, and a drive gear fastened to the rotation shaft 510. 530, a driven gear 540 fastened to the rotation shaft 333 and engaged with the drive gear 530, and one end of the link member 520 drawn out of the frame 200 rotates upward. An elastic member 550 for elastically biasing 520 is provided.

The rotation shaft 510 is rotatably installed in the through hole 213 of the partition wall 210 by a bracket and extends in a direction orthogonal to the partition wall 210. A plate-shaped coupling plate 511 is formed at one end of the rotation shaft 510 located in the second space 212 of the frame 200 so that the link member 520 may be installed. The coupling plate 511 has a predetermined thickness and extends a predetermined length in a direction parallel to the longitudinal direction of the rotation shaft 510. Coupling plate 511 is formed with a through hole penetrated in the vertical direction so that the fixing bolt 512 can be inserted.

The link member 520 has a rectangular cross section and extends in a direction orthogonal to the longitudinal direction of the rotation shaft 510. The link member 520 is provided with a pedal 400 at one end drawn out of the frame 200 through the cutout 214, and the coupling member 521 to which the elastic member 550 is coupled to the other end. ) Is formed. In the center portion of the link member 520 is formed a through hole penetrated in the vertical direction so that the fixing bolt 512 penetrated through the coupling plate 511 of the rotation shaft 510 can be inserted therethrough.

The nut 513 is fastened to the end of the fixing bolt 512 through the coupling plate 511 and the link member 520 of the rotation shaft 510 so that the link member 520 is installed on the rotation shaft 510. It is preferable to adjust the fastening position of the nut 513 with respect to the fixing bolt 512 so that the link member 520 can be rotated along the longitudinal direction of the rotation shaft 510.

In addition, the link member 520 has an insertion groove 522 is formed on the upper surface adjacent to the pedal 400 so that the interference projection 231 of the locking jaw 230 can be inserted. When the link member 520 contacts the locking step 230, the interference protrusion 231 is inserted into the insertion groove 522 to prevent the link member 520 from being separated from the locking step 230.

The drive gear 530 is fastened to the rotation shaft 510 exposed in the second space 212 of the frame 200 so as to rotate by the rotation of the link member 520. The driven gear 540 is fastened to the end of the rotation shaft 333 of the intermittent member 330 and is engaged with the drive gear 530. At this time, the rotation shaft 333 and the rotation shaft 510 is installed so that the longitudinal direction is perpendicular to each other, the drive gear 530 and the driven gear 540 is preferably formed of a bevel gear.

The upper end of the elastic member 550 is fixed to the coupling hole 521 of the link member 520, and the other end is fixed to the bottom surface of the second space 212 of the frame 200. The elastic member 550 is preferably formed of a coiled spring in which elastic force is generated in proportion to the stretched length.

Referring to the operation of the foot valve system 100 according to the present invention configured as described above in detail as follows.

When communicating the raw water supply pipe (12, 13) and the connecting pipe 16, the user rotates the link member 520 by stepping on the pedal 400. The drive gear 530 fastened to the rotation shaft 510 by the rotation of the link member 520 rotates. The rotational force of the drive gear 530 is transmitted to the driven gear 540 meshed with the drive gear 530, and rotates the intermittent member 330 by the driven gear 540. By the rotation of the intermittent member 330, the opening / closing protrusion 332 is changed in position such that the inlet 322 and the outlet 321 of the base member 320 communicate with the continuous groove of the intermittent member 330. Water flows from the raw water supply pipe to the connecting pipe through the inlet 322, the outlet 321 and the continuous groove.

At this time, when the user rotates the link member 520 in the direction of the locking step 230 so that the link member 520 can be caught by the locking step 230 while the user presses the pedal 400, the link is performed even if the user does not apply the operating force. The rotating state of the member 520 is maintained. In addition, the interference protrusion 231 of the locking jaw 230 is inserted into the insertion groove 522 of the link member 520 to prevent the link member 520 from being separated from the locking jaw 230 to maintain a firm locking state Can be.

On the other hand, when blocking the flow of water to the connecting pipe 16, the user removes the foot from the pedal 400 and stops applying the operating force to the link member 520. The operation force is stopped from the user, and the link member 520 rotates in the direction in which the pedal 400 moves upward by the elastic force of the elastic member 550. The drive gear 530 coupled to the rotation shaft 510 is rotated by the rotation of the link member 520, and the rotational force of the drive gear 530 is transmitted to the driven gear 540. The driven gear 540 transmits a rotational force to the intermittent member 330, and the opening and closing protrusion 332 closes the inlet 322 or the outlet 321 of the base member 320 by the rotation of the intermittent member 330. The location is changed.

The foot valve system 100 according to the present invention configured as described above operates the valve units using the intermittent member 330 rotatably installed on the base member 320 using the operation force according to the rotation of the pedal 400. Since it is possible to operate, the operation is simple, the reliability of operation can be increased, and maintenance is easy.

On the other hand, Figure 5 and Figure 6 shows a pedal operation force transmission unit 600 according to another embodiment of the present invention.

Referring to the drawings, the pedal operation force transmission unit 600 is fastened to the rotation shaft 510 and the rotation shaft 510 installed in the through hole 213 of the partition wall 210, the frame (through the cutout 214) The driven member fastened to the link member 520 provided with the pedal 400 at one end drawn out from the 200, the arc-shaped gear 611 fastened to the rotation shaft 510, and the rotation shaft 333 of the intermittent member 330. An idle gear 612 rotatably installed in the frame 200 between the gear 613, the arc-shaped gear 611 and the driven gear 613, and engaged with the arc-shaped gear 611 and the driven gear 613; An elastic member 550 elastically biases the link member 520 such that one end of the link member 520 drawn out of the frame 200 is rotated upward.

At this time, the valve unit 300 is preferably installed in the first space 211 of the frame 200 so that the rotating shaft 510 of the intermittent member 330 is parallel to the rotating shaft 510. Since the rotation shaft 510, the link member 520, and the elastic member 550 have the same configuration as the rotation shaft, the link member, and the elastic member illustrated in FIG. 2, detailed description thereof will be omitted.

The arc-shaped gear 611 is fastened to the rotation shaft 510 corresponding to the first space 211 of the frame 200, and one side opposite to the valve unit 300 has a predetermined radius based on the rotation shaft 510. It is formed in an arc shape having a plurality of gear teeth are formed on the outer peripheral surface.

When the user steps on the pedal 400 or the link member 520 is rotated by the elastic force of the elastic member 550, the arc-shaped gear 611 rotates by the rotation force of the link member 520. The rotational force of the arc-shaped gear 611 is transmitted to the driven gear 613 through the idle gear 612, the intermittent member 330 is rotated by the rotational force transmitted to the driven gear 613, the outlet (at the inlet 322) Selectively regulate water flow to 321.

On the other hand, Figure 7 shows a pedal operation force transmission unit 700 according to another embodiment of the present invention.

Referring to the drawings, the pedal operation force transmission unit 700 is fastened to the rotation shaft 510 and the rotation shaft 510 installed in the through hole 213 of the partition 210, the frame (through the cutout 214) Link member 711 provided with a pedal 400 at one end drawn out from 200, pivot arm 712 provided on rotation shaft 333 of intermittent member 330, link member 711 and pivot arm 712. A hinge pin 713 for hinge connection) and an elastic member 550 for elastically biasing the link member 711 such that one end of the link member 711 drawn out of the frame 200 is rotated upward. .

At this time, the rotation shaft 510 and the elastic member 550 is the same as the configuration of the rotation shaft and the elastic member shown in Figure 2, so a detailed description thereof will be omitted.

The link member 711 has a rectangular cross section and extends in a direction orthogonal to the longitudinal direction of the rotation shaft 510. The link member 711 is provided with a pedal 400 at one end drawn out of the frame 200 through the cutout 214, and the coupling member 521 to which the elastic member 550 is coupled to the other end. ) Is formed. The central portion of the link member 711 is formed with a through hole penetrated in the vertical direction so that the fixing bolt 512 penetrated through the coupling plate 511 of the rotation shaft 510 can be inserted therethrough.

The nut 513 is fastened to the end of the fixing bolt 512 through the coupling plate 511 and the link member 711 of the rotation shaft 510, so that the link member 711 is installed on the rotation shaft 510, It is preferable to adjust the fastening position of the nut 513 with respect to the fixing bolt 512 so that the link member 711 can be rotated along the longitudinal direction of the rotation shaft 510.

In addition, the link member 711 has an insertion groove 522 is formed on the upper surface adjacent to the pedal 400 so that the interference projection 231 of the locking projection 230 can be inserted. When the link member 711 contacts the locking step 230, the interference protrusion 231 is inserted into the insertion groove 522 to prevent the link member 711 from being separated from the locking step 230.

The link member 711 has a long hole 715 is formed so that the hinge shaft is inserted into the other end side. The long hole 715 is preferably formed to extend in parallel with the longitudinal direction of the link member 711.

Rotating arm 712 is formed in a plate shape having a predetermined thickness, one end is fixed to the end of the rotation shaft 333 of the intermittent member 330, and extends in a direction crossing the longitudinal direction of the rotation shaft 333.

The hinge pin 713 is formed in an annular bar shape having a predetermined radius, one end of which is fixed to the other end of the pivot arm 712, and the other end of the hinge pin 713 is inserted into the long hole 715 of the link member 711. At this time, the partition wall 210 of the frame 200 is not shown in the figure, but the hinge pin 713 penetrates along the movement trajectory of the hinge pin 713 so that the hinge pin 713 can be easily moved by the rotation of the link member 711. The groove is extended.

When the user presses the pedal 400 or the link member 711 is rotated by the elastic force of the elastic member 550, the pivot arm 712 hinged to the link member 711 by the hinge pin 713 is rotated. . The intermittent member 330 rotates by the rotation of the pivoting arm 712 to selectively control the flow of water from the inlet 322 to the outlet.

On the other hand, Figure 10 is shown a valve unit and pedal operation force transmission unit according to another embodiment of the present invention.

Referring to the drawings, the valve unit 830 is supported and fixed to the frame 200, and is coupled to the first member 832 and the first member 832 having the lever member protrusion 831 formed therein. A housing 834 formed of a second member 833 for sealing, a base member 835 installed in the housing 834 and having at least one inlet 835a and an outlet 835b formed therein; and the base It is installed on the member 835 slidably through an intermittent member 836 having a connecting passage 836a for connecting the outlet 835b from the inlet 835a, and the protrusion 831 of the first member 832. It is provided with a lever member 837 protruding outward to move the control member 836 relative to the base member 835 to control the flow of water from the inlet 835a to the outlet 835b. The lever member 837 is hingedly rotatably coupled to the support 837a coupled to the protrusion 831. In addition, the displacement of the lever member 837 is transmitted to the intermittent member 836 between the intermittent member 836 and the lever member 837, that is, between the intermittent member 836 and the support 833a. And a transmission member 838 defining an auxiliary flow path 836a for selectively connecting the inlet 835a and the outlet 835b through the intermittent member 836. The transmission member 838 is provided with a noise prevention protrusion 838a extending to the connection passage 836a to suppress the generation of noise. The valve unit 830 is inserted into the auxiliary housing 839 and is pressed and supported by the pressing member 840 screwed to the auxiliary housing 839. At this time, the inlet 835a and the outlet 835b are connected to the inlet tube 16a and the outlet tube 16b, which are the connecting tubes 16 installed in the auxiliary housing 839 through the second member 832.

The valve unit 830 is not limited to the above-described embodiment, and may be any structure as long as the valve unit 830 is slidably adhered to the base member 835 to control the flow of water from the at least one inlet to the outlet. For example, the first and second inlets through which cold water and hot water are introduced may be formed in the base body, and the mixed water may have a structure in which the mixed water flows out. In addition, two inlets and outlets through which cold water and hot water flow in and out of the base member may be formed, respectively, and the disk may be reversed by rotating the lever member so as to selectively open and close the inlets and outlets. . Here, the base member and the intermittent member may be made of ceramic or engineering plastic.

The pedal operation force transmitting unit 850 may be rotated by the rotation shaft 510 rotatably installed on the frame 200, the link member 520 fastened to the rotation shaft 510, and the rotation of the link member. A first transfer link 851 fastened to the pivot shaft 510, and a second transfer link 852 hinged to both ends of the first transfer link 851 and the lever member 837. The elastic member 550 is provided between the link member 520 and the frame 200 to elastically bias the pedal 400 upward.

Since the pivot shaft, the link member and the elastic member have the same structure as the pivot shaft, the link member and the elastic member of the embodiment shown in FIG. 2, detailed description thereof will be omitted.

The first transmission link 851 is fastened to the rotation shaft 510 exposed to the second space 212 of the frame 200 so as to rotate by the rotation of the link member 520. The first transmission link 851 is extended to the rear adjacent to the lever member, it is preferable to extend inclined so that the other end is located above the one end fastened to the rotation shaft 510. At this time, the first transfer link 851 is formed so that at least two first transfer link (851) is spaced by a predetermined interval to supplement the structural strength.

The second transfer link 852 has an upper end hinged to the other end of the first transfer link 851, and the lower end is hinged to the lever member. When the pedal 400 is pressed, the rotational force of the pedal 400 is transmitted to the lever member 837 through the link member 520 and the first and

second transmission links

851 and 852 so that the lever member 837 is rotated. . By rotating the lever member 837, the intermittent member 836 slides with respect to the base member 835, and further, the water introduced through the inlet 835a intermittently flows to the outlet 835b. do.

On the other hand, Figure 12 shows a pedal operation force transmission unit 860 according to another embodiment of the present invention.

Referring to the drawings, the pedal operation force transmission unit 860 is a rotating shaft 510 rotatably installed on the frame 200, the link member 520 is fastened to the rotating shaft 510, and the link member 520 The third transmission link 861 is fastened to the rotation shaft 510 so as to be rotated by the rotation of the rotation, extending in a direction adjacent to the lever member 837, the long hole 863 extending in the longitudinal direction is formed. And a pivot pin 862 for hinge connection of the lever member 837 through the long hole 863 of the third transmission link 861, and a pedal 400 installed between the link member 520 and the frame 200. It is provided with an elastic member 550 to elastically bias upward.

The third transmission link 861 is fastened to the rotation shaft 510 exposed to the second space 212 of the frame 200 so as to rotate by the rotation of the link member 520. The first transmission link 851 extends rearwardly adjacent to the lever member 837, and preferably extends inclined so that the other end is positioned above the one end fastened to the rotation shaft 510.

On the other hand, Figure 13 shows a pedal operation force transmission unit 870 according to another embodiment of the present invention.

Referring to the drawings, the pedal operation force transmission unit 870 is a rotating shaft 510 rotatably installed on the frame 200, the link member 520 is fastened to the rotating shaft 510, and the link member 520 Driven arc gear 871 fastened to the pivot shaft 510 and the arc arc gear 871, and driven arc gears provided at the ends of the lever member 837 so as to be rotated. 872 and an elastic member 550 provided between the link member 520 and the frame 200 to elastically bias the pedal 400 upward.

The driving arc gear 871 is fastened to the pivot shaft 510 exposed in the second space 212 of the frame 200 so as to rotate by the rotation of the link member 520, and is opposed to the lever member 837. The gear is formed in an arc shape. The driven arc gear 872 is formed in an arc shape so as to be engaged with the drive arc gear 871 on the side opposite to the drive arc gear 871.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, these are merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims

A frame;

A housing member installed on the frame, a base member having at least one water inlet and an outlet formed by being supported by the housing member, and rotatably or slidably installed on the base member, for selectively communicating the inlet and outlet. A valve unit having an intermittent member provided with a connection passage for it;

A pedal for operating the intermittent member;

And a pedal operation force transmission unit installed between the pedal and the valve unit to transmit the operation force of the pedal to the control member so that the water flows from the inlet to the outlet by the operation of the pedal. Foot valve system.
The method of claim 1,

The intermittent member is rotatably installed on the base member,

The pedal operation force transmission unit

A rotating shaft rotatably installed on the frame;

A link member fastened to the pivot shaft and provided with the pedal at an end drawn from the frame;

A drive gear fastened to the rotation shaft to be rotated by the rotation of the link member;

And a driven gear fastened to a rotating shaft formed at the center of rotation of the intermittent member and engaged with the drive gear.
The method of claim 2,

The rotating shaft extends in a direction crossing the longitudinal direction of the rotating shaft,

And the driven gear and the drive gear are formed of bevel gears.
The method of claim 1,

The intermittent member is rotatably installed on the base member,

The pedal operation force transmission unit

A rotating shaft rotatably installed on the frame;

A link member fastened to the pivot shaft and provided with the pedal at an end drawn from the frame;

An arc gear which is fastened to the pivot shaft so as to be rotated by the rotation of the link member, and is formed in an arc shape having a predetermined radius with respect to the pivot shaft, and on the outer circumferential surface a plurality of gears are formed;

A driven gear fastened to a rotating shaft formed at the center of rotation of the intermittent member;

And an idler gear rotatably installed in the frame between the arc gear and the driven gear and engaged with the arc gear and the driven gear so that the arc gear and the driven gear rotate in the same direction. Valve system.
The method of claim 1,

The intermittent member is rotatably installed on the base member,

The pedal operation force transmission unit

A rotating shaft rotatably installed on the frame;

A link member fastened to the pivot shaft, the pedal being installed at one end drawn from the frame, and the other end having a long hole extending in a direction parallel to the longitudinal direction;

A rotating arm fixed to a rotating shaft formed at the center of rotation of the intermittent member and extending in a direction crossing the longitudinal direction of the rotating shaft;

And a hinge pin hingedly connecting the long hole of the link member and the end of the pivot arm.
The method of claim 1,

And an elastic member for elastically biasing the link member so that one end of the link member provided with the pedal rotates upward.

The link member is hinged to the rotation shaft rotatably in the longitudinal direction of the rotation shaft,

The frame is characterized in that the locking jaw is formed on the rotational trajectory of the link member so that the link member can be caught when the link member is rotated in the longitudinal direction of the pivot shaft to fix the rotational position of the link member. Foot valve system.
The method of claim 6,

The locking step has an interference protrusion protruding downward on the lower side of the link member,

The link member is a foot valve system, characterized in that the insertion groove is formed on the upper surface so that the interference projection is inserted in contact with the locking step.
The method of claim 1,

The base member is formed such that the inlet and outlet are spaced apart from each other along a virtual first circumference having a predetermined radius with respect to the rotation axis of the intermittent member,

The intermittent member has a communication groove communicating with the inlet and the outlet on a side opposite to the base member, and is the same as the first circumference with respect to the rotation axis to selectively open and close the inlet and the outlet by rotation. Foot valve system, characterized in that the at least one opening and closing protrusion is formed on the virtual second circumference having a radius.
The method of claim 1,

The intermittent member is slidably installed on the base member,

The valve unit further comprises a lever member for moving the control member relative to the base member to control the flow of water to the inlet and outlet,

The pedal operation force transmission unit

A rotating shaft rotatably installed on the frame;

A link member fastened to the pivot shaft and provided with the pedal at an end drawn from the frame;

A first transmission link coupled to the rotation shaft to be rotated by the rotation of the link member;

A second transfer link hinged at both ends of the first transfer link and the lever member;

And an elastic member installed between the link member and the frame to elastically bias the pedal upward.
The method of claim 1,

The intermittent member is slidably installed on the base member,

The valve unit further comprises a lever member for moving the control member relative to the base member to control the flow of water to the inlet and outlet,

The pedal operation force transmission unit

A rotating shaft rotatably installed on the frame;

A link member fastened to the pivot shaft and provided with the pedal at an end drawn from the frame;

A third transmission link coupled to the rotation shaft so as to be rotated by the rotation of the link member, extending in a direction adjacent to the lever member, and having a long hole extending in a longitudinal direction;

And a pivot pin for hingely connecting the lever member through the long hole of the third transmission link.
The method of claim 1,

The intermittent member is slidably installed on the base member,

The valve unit further comprises a lever member for moving the control member relative to the base member to control the flow of water to the inlet and outlet,

The pedal operation force transmission unit

A driven arc gear installed in the lever member;

And a driving arc gear meshed with the arc gear, the drive arc gear being rotated forward and backward by the closing moon.