KR970070548A - Rotary motion / linear reciprocating motion switching device and hydraulic pressure generating device using the same - Google Patents

Abstract

In order to provide a hydraulic pressure generating device having a simple structure capable of minimizing the ripple phenomenon, a cylindrical groove is formed at the center, and a plurality of oil passages communicating with the innermost portion of the groove are formed, A case in which a fluid guide member in which a plurality of holes are formed is provided and in which a mounting portion is formed at a predetermined position of the groove and a case which is provided in the groove of the case and which converts a rotational force transmitted by a shaft into a linear motion, And a cam member mounted on a groove of the case, to which the pumping means is coupled to a side surface having a guide groove formed by a closed loop, and a hydraulic pressure generating device Lt; / RTI >

Further, in the present invention, there is provided a fluid guide member in which a plurality of grooves are formed in the center, a plurality of grooves communicating with the innermost portion of the grooves are formed, and a plurality of holes are formed respectively through the grooves, Pumping means provided respectively in the grooves of the case for generating a hydraulic pressure by converting the rotational force transmitted by the shaft into linear motion, and a pair of guide grooves formed on both sides of the guide groove formed by the closed- The present invention provides a hydraulic pressure generating apparatus using a rotary / linear reciprocating motion switching device comprising a pair of pumping means coupled to each other and a cam member mounted in a groove of the plurality of cases.

Description

Rotary motion / linear reciprocating motion switching device and hydraulic pressure generating device using the same.

Since this is a trivial issue, I did not include the contents of the text.

FIG. 2 is an exploded perspective view showing an example of a hydraulic pressure generating apparatus using a rotary / linear reciprocating motion switching device according to the present invention. FIG. , FIG. 3 is a cross-sectional view of one example of a sectional view taken along the line AA of FIG. 1, FIG. 4 is a sectional view of another example of the cross section taken along the line AA of FIG. 1, Fig. 6 is a cross-sectional view of one example of sectioning the BB line of Fig. 5, Fig. 7 is a cross-sectional view of another example of cross section of the BB line of Fig. 5, and Fig. 8 is a perspective view of another embodiment of the rotational / FIG. 9 is a partial cross-sectional view showing an example of a cap member applied to a hydraulic pressure generating apparatus using a switching device. FIG. 9 is a sectional view of the cam member applied to the hydraulic pressure generating apparatus using the rotating / FIG. 10 is a partial cross-sectional view showing another example of a cam member applied to a hydraulic pressure generating apparatus using the rotary / linear reciprocating motion switching device of the present invention, FIG. 11 is a partial cross- FIG. 12 is a perspective view of a piston member applied to a hydraulic pressure generating apparatus using a reciprocating motion switching device, which is a perspective view showing one example of a piston member or a piston member, and FIG. 12 is a perspective view showing another example of a piston member. 1 is a partial sectional view showing a piston member applied to a hydraulic pressure generating apparatus using a rotary motion / linear reciprocating motion switching device, which is a partial cross-sectional view showing an example of a piston member or a piston member, and (b) (C) is a partial cross-sectional view showing another example of the piston member, and Fig. 13 is a partial sectional view showing a rotary / linear reciprocating motion conversion Value using a side view illustrating a guide groove in the cam member to be applied to the hydraulic pressure generating device, (a) a view showing the figure, (b) another example of the turning guide groove showing an example of the turning guide groove.

Claims (25)

A fluid guide member in which a plurality of grooves communicating with the innermost portions of the grooves are formed so that a plurality of holes are respectively formed in the grooves, A pumping means provided in the groove of the case and generating a hydraulic pressure by converting a rotational force transmitted by the shaft into a linear motion and a pumping means coupled to a side of the guide groove formed by the closed loop, And a cam member mounted on the groove of the case. The hydraulic pressure generator uses the rotary / linear reciprocating motion switching device. A plurality of flow paths communicating with the innermost sides of the grooves are formed in the center, a fluid guide member in which a plurality of holes each communicating with the flow paths are formed, and a plurality of cases Pumping means provided respectively in the grooves of the case for generating a hydraulic pressure by converting the rotational force transmitted by the shaft into linear motion, and pumping means provided on both sides of the guide groove formed by the closed- And a cam member coupled to the plurality of cases and mounted in the grooves of the case. [2] The apparatus according to claim 1, wherein the pumping means comprises: a cylinder member having two or more holes formed symmetrically; a body portion sliding in a hole of the cylinder member; a neck portion coupled to the body portion, And a piston member which is coupled to the body and is disposed in the guide groove and slides along the guide groove and generates a linear motion. 3. The apparatus according to claim 2, wherein the pumping means comprises: a plurality of cylinder members having two or more holes formed symmetrically; a body portion sliding in the holes of the plurality of cylinder members; And a piston member which is coupled to the body and which is interposed in the guide groove and slides along the guide groove and generates a linear motion, wherein the piston member is a hydraulic / Generating device. The hydraulic pressure generator according to claim 1, wherein the pumping means interlocks with and interlocks with a shaft for transmitting a rotational force, and the cam member is fixed to the groove of the case. 3. The hydraulic pressure generator according to claim 2, wherein the pumping means interlocks with and interlocks with a shaft for transmitting a rotational force, and the cam member is fixed to the groove of the case. The hydraulic pressure generator according to claim 1, wherein the cam member interlocks with and interlocks with a shaft that transmits a rotational force, and the pumping means is fixed to the groove of the case. The hydraulic pressure generator according to claim 2, wherein the cam member interlocks with and interlocks with a shaft for transmitting a rotational force, and the pumping means is fixed to the groove of the case. 3. The hydraulic pressure generator according to claim 2, wherein the cam member has guide grooves formed on both side surfaces of a cylindrical surface having a helical surface. The hydraulic pressure generator as set forth in claim 2, wherein the cam member has a cylindrical shape having guide grooves formed in both sides thereof in a spiral shape in a depth direction. The hinge device according to claim 2, wherein the cam member has a guide groove formed on an inner surface of a cylindrical shape, the piston member has a head portion sliding in the guide groove and a neck portion joining the head portion to a central portion of the outer peripheral surface, And a rotary motion / linear reciprocating motion switching device is used, which is configured as a body coupled to the first and second rotary shafts. [5] The apparatus as claimed in claim 3, wherein the piston member includes a skin top portion having a spherical surface and a space on the inner surface of which the head can be described, . [5] The apparatus as claimed in claim 4, wherein the piston member includes a skin top portion having a spherical inner surface formed with a space for allowing a head portion to be interposed therebetween, . 4. The hydraulic pressure generator as claimed in claim 3, wherein the head of the piston member comprises a ball and a support for supporting the ball. 5. The hydraulic pressure generator as claimed in claim 4, wherein the head of the piston member comprises a support for inserting and supporting balls and balls. The hydraulic pressure generator as claimed in claim 3, wherein the head of the piston member comprises a circumferential portion for inserting, supporting, and enclosing balls and balls. The hydraulic pressure generator as claimed in claim 4, wherein the head portion of the piston member comprises a circumferential portion for inserting, supporting, and enclosing a ball and an eccentric portion. The hydraulic pressure generator as claimed in claim 14 or 16, wherein the head portion of the piston member is divided into bifurcations to support both sides of the ball. 18. The hydraulic pressure generator as claimed in claim 15 or 17, wherein the head portion of the piston member is divided into bifurcations to support both sides of the ball. The hydraulic pressure generator as claimed in claim 14 or 16, wherein the head portion of the piston member is divided into bifurcations to support both sides of the ball. 18. The hydraulic pressure generator as claimed in claim 15 or 17, wherein the head portion of the piston member is divided into two bifurcations to support both sides of the ball. [2] The apparatus according to claim 1, wherein the guide groove is formed by a combination of a right-handed spiral and a left-handed spiral, and one of a right-handed spiral and a left- Hydraulic generator using reciprocating motion switching device. [3] The apparatus according to claim 2, wherein the guide groove is formed by a combination of a right-handed spiral and a left-handed spiral, wherein one of a right-handed spiral and a left- Hydraulic generator using reciprocating motion switching device. The hydraulic pressure generator as claimed in claim 1, wherein the guide groove has a section where there is no depth change at the joint between the right spiral portion and the left spiral portion. The hydraulic pressure generator as set forth in claim 2, wherein the guide groove has a section where there is no depth change at the joint between the right spiral part and the left spiral part. ※ Note: It is disclosed by the contents of the first application.