KR890017169A - Flow regulator - Google Patents

Abstract

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Description

Flow regulator

Since this is an open matter, no full text was included.

1 is a perspective view of a conventional flow regulating device, FIG. 2 is a sectional view taken along line 2-2 of FIG. 1, FIG. 3 is a side view of the device of FIG. 1, and FIG. 4 is a view of a flow regulating device according to an embodiment of the present invention. Fig. 5 is an enlarged cross-sectional view of an essential part of a 5-5 line with a liquid feeding pipe mounted on the apparatus of Fig. 4, is an enlarged cross-sectional view of an essential part of a flow regulating device according to another embodiment of the present invention. 8 is a side view of FIG. 7 of a flow regulating device according to still another embodiment of the present invention.

Claims (8)

A liquid feeding pipe having a flexibility is mounted, and the flow control device adjusts the flow rate by changing the size of the flow path in the liquid feeding pipe by pressing the liquid feeding pipe by using the flexibility of the liquid feeding pipe. A housing having a liquid feed pipe insertion passage, and freely mounted along one end of the liquid feed pipe insertion passage and gradually moving closer to the bottom surface of the liquid feed pipe insertion passage along the movement to the other end thereof. And a roller for pressing the liquid feed pipe in the insertion passage, and pressing means for pressing each end portion along the longitudinal direction of the liquid feed pipe in the liquid feed pipe insertion passage. The method of claim 1, wherein the pressing means is a pair of protrusions provided in substantially continuous over the movement range of the roller, respectively at both ends along the direction of movement of the roller of the bottom surface portion of the liquid feed pipe insertion passage. Flow control device. The flow regulating device according to claim 1, wherein the pressing means is a pair of protrusions provided substantially continuously at both ends of the contact surface with the liquid supply pipe on the peripheral surface of the roller. According to claim 1, wherein the pressing means, the bottom surface portion of the liquid feed pipe insertion passage is provided in each of the end portion in accordance with the direction of movement of the roller and both ends of the contact surface with the liquid feed pipe of the roller, respectively. Flow rate control device characterized in that the plurality of projections. It is equipped with a liquid feeding pipe having a flexibility, and using the flexibility of the liquid feeding pipe to press the liquid feeding pipe to change the size of the flow path in the liquid feeding pipe to control the flow rate of the flow rate adjusting device, the liquid feeding through the liquid feeding pipe A housing having a bearing groove along the longitudinal direction of the liquid feeding tube insertion passage on both side walls of the liquid feeding tube insertion passage, and a shaft portion supported by the bearing receiving groove, A roller is attached to the other end from the one end in the longitudinal direction to the other end, and has a roller that presses the feed pipe in the feed pipe insertion passage by its circumferential surface, and the bottom surface portion of the feed pipe insertion passage is the bearing. In cooperation with the roller to adjust the flow rate of the liquid pipe at the same time as the inclination with respect to the groove First and second inclined planes involved in the flow rate, wherein the first inclined plane is suitable for flow rate fine adjustment, and the second inclined plane is inclined in the same direction as the first inclined plane and is larger than the first inclined plane. Flow control device characterized in that the inclined at an angle. 6. The flow regulating device according to claim 5, wherein one end of the second inclined surface is continuously installed at one end of the first inclined surface. 6. The bottom surface portion of the feed pipe insertion passage further comprises a third inclined surface, the third inclined surface being inclined with respect to the bearing groove, and one end thereof is the other end of the first inclined surface. Flow control device characterized in that the end. 8. The flow regulating device according to any one of claims 5, 6, and 7, further comprising pressing means for pressing each end portion along the longitudinal direction of the liquid feed pipe in the liquid feed pipe insertion passage. ※ Note: The disclosure is based on the initial application.