JP4385237B1 - Fluid pressure motor - Google Patents

Abstract

【Task】
In a fluid pressure motor in which the center of a cylindrical casing and the axis of a cylindrical rotor having support shafts at both ends are arranged to coincide with each other, a space partition portion is formed on the outer peripheral surface of the cylindrical body as a space partition. A simple fluid pressure motor that does not exist in the conventional model is configured with a rotor having only one protrusion having a sliding contact portion with the peripheral surface.
[Solution]
A fluid pressure motor in which the center of the casing and the axial center of the rotor are arranged so as to coincide with each other, a casing provided with two space dividing devices projecting inwardly from a cylindrical body peripheral surface, and a cylindrical body peripheral surface In addition, only one protrusion as a space partition is provided, and further, a sliding contact provided on the top of the protrusion passing through the inside of the cylindrical body from two spindle end faces as a fluid supply path and a discharge path, respectively. A simple fluid pressure motor is constituted by a rotor characterized by having two kinds of vent holes having opening positions before and after the section.
[Selection] Figure 3

Description

  The present invention relates to a fluid pressure motor that obtains torque using fluid pressure. More specifically, a space partition having a casing provided with a plate-shaped space dividing device projecting inward from the inner peripheral surface of the cylindrical body, and a sliding contact portion with the inner peripheral surface of the casing on the outer peripheral surface of the cylindrical body. The present invention relates to a fluid pressure motor including a rotor having a protrusion as a part.

As a conventional technique, at least two rotors each having an outer peripheral curved wall and a vertical wall rotating in contact with the inner wall of the main body are disposed in the cylindrical main body at different positions, and the main body A poppet valve having a liquid intake port and a discharge port is attached to the top of the valve, and in the poppet valve, a rectangular hollow chamber having a lower end communicating with the cylindrical hollow chamber of the main body and an upper end communicating with the intake port is provided. There is shown a hydraulic motor characterized in that a suppression valve body having a cut portion is slidably fitted into the rectangular hollow chamber, and a lower end of the valve body is supported by an outer circumferential curved wall of a rotor. (For example, refer to Patent Document 1).
Further, in a device for rotating a shaft by hydraulic pressure, a gate valve that rotates freely is provided in a sealed container, and a pressure receiving chamber partitioned by the gate valve and a pressure receiving surface provided on the shaft is connected to the shaft. A continuous rotating shaft device using a hydraulic pressure for continuously rotating a shaft by sequentially forming by rotation is disclosed (for example, see Patent Document 2).
Further, a rotation having a rotor in the surrounding jacket, a space defined between them, the space being subdivided by two or more dividing devices extending in the space between the rotor and the jacket In the apparatus, a dividing device is mounted on the jacket and slidably and sealingly engages the rotor to form a number of working spaces therebetween, the rotor and the jacket being in the working space. A rotating device is shown that is formed so as to continuously change its volume (see, for example, Patent Document 3).

JP 50-144840 A JP-A-51-19246 JP-T 61-500324

  In a rotary machine that handles a fluid composed of a cylindrical casing and a cylindrical rotor having support shafts at both ends, a space partition section having a sliding contact portion with a casing inner peripheral surface provided on the rotor side, for example, 2 provided on the protrusions forming the gear teeth of the gear pump, the vane body of the vane motor, the swinging part of the swinging vane pump, the rotors 19 and 20 of Patent Document 1, and the pressure receiving surface 2 'of Patent Document 2. Unlike the slidable contact portions and the top portions 15 and 16 of Patent Document 3, the space partition portion is configured with a rotor having only one slidable contact portion, and can be used as a fluid pressure pump or a fluid pressure motor. There are no rotating machines that handle simple fluids that function.

  In the present invention, plate-like vane bodies as space dividing devices projecting from the inner peripheral surface of the cylindrical body toward the inside of the cylindrical body are provided at two locations opposite to each other in the radial direction of the cylindrical body. In one place on the outer peripheral surface of the cylindrical body having a casing and a spindle at both ends, a protrusion having a sliding contact portion with the inner peripheral surface of the casing is provided as a space partition, and further, a fluid supply hole, And a rotor having two kinds of vent holes that pass through the inside of the cylindrical body from two end surfaces of the support shaft and have opening positions before and after the sliding contact portion of the protrusion, It is an object of the present invention to provide a simple fluid pressure motor that also functions as a fluid pressure pump, characterized in that the center of the rotor and the axis of the rotor are aligned and configured.

  The fluid pressure motor according to the present invention will be described. The plate surface protrudes inwardly from the inner peripheral surface of the cylindrical body by the elasticity of a spring as a space dividing device at two locations on the opposite sides in the radial direction of the cylindrical body. On the outer peripheral surface of a cylindrical body having a plate-like vane body having a groove parallel to the protruding direction on one side, together with a housing part having a groove on which the vane body can slide, and a support shaft at both ends The space partition portion rises from the outer peripheral surface to a gentle curved surface, has a sliding contact portion with the inner peripheral surface of the casing at the top, and has a steep step past the sliding contact portion. And a projection that reaches the outer peripheral surface of the cylindrical body. Further, as a fluid supply hole, the fluid passes through the cylindrical body and the projection from the end surface of one of the support shafts, and an opening is formed in the step portion of the projection. As the vent hole with the position of the Two kinds of ventilation holes, which pass through the inside of the cylindrical body from the end face of the support shaft serving as the output shaft and have an opening at the position where the gently curved surface rises, and further where the gently curved surface rises A groove extending from the opening to the sliding contact portion is provided on the gently curved surface, and rotates with the gently curved surface side of the protrusion as the front portion. A rotor is formed, and the fluid pressure motor is characterized in that the center of the casing and the axial center of the rotor are aligned with each other. In the present specification, for convenience of explanation, the rotor of the fluid pressure motor is referred to as A type.

  The sliding contact portion as a guide member on the plate having a sliding contact portion with the inner peripheral surface of the casing as a space partitioning portion at one location on the outer peripheral surface of the cylindrical body having the support shaft at both ends. On one side of the plate surface of the plate member, two plate members each having an inclined surface rising from the outer peripheral surface of the columnar body and reaching the sliding contact portion of the plate member are placed on the outer peripheral surface of the columnar body. In addition, a space partition portion provided with a guide member is formed by being added to a plate member having a sliding contact portion arranged parallel to each other along the circumference, and further, as a fluid supply hole, one support is provided. From the shaft end face through the inside of the cylinder body, a vent hole having a position of an opening on the outer peripheral surface of the cylinder body in the vicinity of the plate member having the sliding contact portion, and a support shaft end face as the other output shaft as a fluid discharge hole The two sheets that pass through the cylindrical body and serve as guide members Two types of air holes, that is, air holes having positions of openings, are provided on the outer peripheral surface of the cylindrical body between the plate materials and in the vicinity of the plate material having the sliding contact portion, and rotate with the guide member side of the space partition portion as the front portion. A rotor is formed, and the fluid pressure motor is characterized in that the center of the casing and the axial center of the rotor are aligned with each other. Furthermore, for the convenience of explanation in the specification, the rotor of the fluid pressure motor is referred to as a B type.

The structure on both the support shaft sides of the fluid pressure motor includes a casing sealing lid provided with a bearing for supporting a rotor support shaft having a vent hole as a fluid supply hole from an opening portion of one support shaft end face. A rotor output shaft having a side case provided with a connection port and an air hole serving as a fluid discharge hole, forming an empty space that mediates a vent path of the connection port between the opening of the support shaft and the external pressure fluid source With the lid for sealing the casing provided with a bearing for supporting the other supporting shaft, and further supporting the output shaft that passes through the lid and protrudes to the outside, the opening on the shaft end surface is closed with a stopper. A side case having the discharge port, which forms a vacant space that mediates a ventilation path between the horizontal hole of the output shaft that is ventilated with the vent hole in the sealed output shaft and the discharge port to the outside; It is characterized by comprising.

In the fluid pressure motor, the operation and effect are substantially the same when the A-type rotor is a constituent element and when the B-type rotor is a constituent element. In this specification, the A-type rotor is used. The operation and effect of the fluid pressure motor having the above components will be described below.

Explaining the action of the fluid pressure motor, plate-like vanes arranged at two locations as space dividing devices project inward from the inner peripheral surface of the casing by the elasticity of the spring, and at least one vane body is always The tip of the vane body is brought into contact with the outer peripheral surface portion of the cylindrical body forming the rotor. By the pressure fluid acting on the sealed space generated between the vane body and the stepped portion of the protrusion, which protrudes from the inner peripheral surface of the casing and whose tip is just in contact with the outer peripheral surface portion of the cylindrical body, The rotor can rotate more than 1/2 turn with the gentle curved surface as the front, but every time it passes 1/2 turn, the vane body that was once immersed in the groove of the storage part protrudes, and the protruding vane body Since the sealed space is successively generated between the step portion and the step portion, continuous rotation is maintained. Furthermore, the fluid on the opposite side of the stepped portion across the sliding contact portion is discharged from the opening portion of the fluid discharge hole located at the rising portion of the gently curved surface through the vent hole passing through the cylindrical body and the output shaft. . When the vane body rides on the gently curved surface, the fluid between the vane body and the sliding contact portion of the protrusion passes through the curved groove and forms a fluid discharge hole at the rising portion of the gently curved surface. It reaches the opening of the pore and is discharged outside. The plate-like vane bodies arranged at two locations are slidably contacted with the outer peripheral surface including the rotor projections, and the inner side surface of the casing is moved inwardly or in accordance with the shape of the outer peripheral surface. Against the spring's elasticity, it moves from the inside to the inner peripheral surface of the casing, that is, into the groove of the storage part, but the space volume between the groove bottom part of the storage part and the vane body changes as the vane body moves in and out. However, the inflow and outflow of the fluid according to the volume change of the space is performed through a groove on one side of the plate surface of the vane body.

The supply and discharge of fluid to and from the rotor rotating in the casing is performed by using the vacant space formed by overlapping the casing sealing lid and the side case on both sides of the casing as an intermediate part of the ventilation path. On the fluid supply side, the pressure fluid flows from the opening provided on the end surface of the rotor support shaft into the vent hole serving as the fluid supply hole through the connection port provided in the side case, and on the fluid discharge side. The discharged fluid from the lateral hole of the output shaft located in the empty chamber is discharged to the outside from the discharge port of the side case connecting the empty chamber and the ventilation path.

  The effect of the fluid pressure motor will be described. A casing provided with a space dividing device at two locations opposite to each other in the radial direction of the cylindrical body, and an inner peripheral surface of the casing as a space partition portion on the outer peripheral surface of the cylindrical body. Provided with only one protrusion having a sliding contact portion, and further, two types of air holes that pass through the inside of the cylindrical body from two spindle end faces and open before and after the sliding contact portion of the protrusion, A simple fluid pressure motor that does not exist in the conventional model can be configured from the fluid supply hole and the rotor provided as the discharge hole. Further, the fluid pressure motor according to this configuration inputs a rotational driving force in the same rotational direction as the fluid pressure motor using the fluid supply hole as a fluid suction hole, the fluid discharge hole as a fluid discharge hole, and the output shaft as a drive shaft. It also functions as a fluid pressure pump.

  If the rotating rotor is a movable part, the outer case formed of a casing, two lids for sealing the casing, two side cases, etc. belongs to the fixed part, but the movable part that rotates inside the fixed part When the fluid is supplied into the rotor of the rotor and the fluid that has passed through the rotor is discharged, a means for connecting the fluid path between the fixed portion and the movable portion is provided with an empty chamber as an intermediate portion. This is a simple and reliable means for constructing a pressure motor.

  The difference between the two types of rotors of the present invention, that is, the A type and the B type, is the same as having one sliding contact portion with the inner peripheral surface of the casing, and the difference is in one A type rotor. The position of the opening portion of the vent hole as the fluid supply hole is the stepped portion of the protrusion, and the position of the opening portion of the vent hole as the fluid discharge hole is the rising portion of the gently curved surface and the gentle position. In other B-type rotors, the position of the opening of the vent hole as the fluid supply hole is slid. A cylinder body outer peripheral surface in the vicinity of a plate member having a contact portion, and a cylinder in the vicinity of a plate member having a sliding contact portion between the two plates as a guide member in the position of the opening portion of the vent hole as a fluid discharge hole The difference is that it is the outer peripheral surface of the body.

It is an external view of a fluid pressure motor. Example 1 It is a front view from the output-shaft 9 side of the fluid pressure motor of FIG. Example 1 FIG. 3 is a front view of a casing 1 and a rotor 7 of the fluid pressure motor of FIG. 2. (Example 1) 3 is a fluid pressure motor shown in a sectional view taken along the line S-P-S ′ in FIG. Example 1 3 is a perspective view of a rotor 7. FIG. Example 1 3 is a perspective view of a rotor 7. FIG. Example 1 It is a front view of the rotor 7 explaining the cylindrical body outer peripheral surface part 19. FIG. Example 1 It is a disassembled perspective view of a fluid pressure motor. Example 1 (Example 1) which is rotational operation explanatory drawing of a fluid pressure motor. It is rotation operation explanatory drawing of a fluid pressure motor. Example 1 It is rotation operation explanatory drawing of a fluid pressure motor. Example 1 It is rotation operation explanatory drawing of a fluid pressure motor. Example 1 It is an external view of a fluid pressure motor. (Example 2) It is a front view from the output-shaft 9 'side of the fluid pressure motor of FIG. (Example 2) It is a front view of the casing 1 and rotor 7 'of the fluid pressure motor of FIG. (Example 2) 15 is a fluid pressure motor shown in the cross-sectional view taken along the line R-P′-R ′ in FIG. 14 in the state shown in FIG. 15. (Example 2) It is a perspective view of rotor 7 '. (Example 2) It is a perspective view of rotor 7 '. (Example 2) It is rotation operation explanatory drawing of a fluid pressure motor. (Example 2) It is rotation operation explanatory drawing of a fluid pressure motor. (Example 2) It is rotation operation explanatory drawing of a fluid pressure motor. (Example 2)

  As an embodiment for actually carrying out the invention, the configuration of the fluid pressure motor and the operation of the fluid pressure motor based on the configuration will be described below as the first embodiment based on the drawings from FIG. 1 to FIG. From 1 to FIG. 12, an A-type rotor is a constituent element. Further, the second embodiment is different from the first embodiment only in the configuration of the rotor, and all other components are the same as those in the first embodiment. Therefore, the rotor configuration is based on the drawings from FIG. 13 to FIG. The characteristics of the configuration and the operation of the fluid pressure motor having the rotor as a component will be described. From FIG. 13 to FIG. 21, a B-type rotor is a constituent element.

  As Embodiment 1 of the hydraulic motor, as shown in FIG. 3, FIG. 4, FIG. 5, FIG. 6 and FIG. As the space dividing device, plate-like vane bodies 4a and 4b that protrude from the inner peripheral surface of the cylindrical body to the inside by the elasticity of the spring 6 and have grooves 5 parallel to the protruding direction on one side of the plate surface are provided. From the outer peripheral surface as a space partitioning portion at one location on the outer peripheral surface of the cylindrical body having the casing 1 provided with the housing portion 2 having the slidable groove 4 and 4b and the support shafts 8 and 9 at both ends, A protrusion that rises on a gentle curved surface, has a sliding contact portion 12 with the inner peripheral surface of the casing 1 at the top, and forms a steep step portion 13 past the sliding contact portion 12 to reach the outer peripheral surface of the cylindrical body. 4 and further, as shown in FIG. 4, the end surface of one of the support shafts 8 is opened as a fluid supply hole. A hole Ca that is processed from the portion C1 into the cylindrical body, a hole Cb that is directed to the protrusion 10 connected to the hole Ca, and has an opening C2 in the step portion 13 of the protrusion 10; As a hole, it passes through the hole Da machined into the cylindrical body from the opening D1 on the end surface of the support shaft 9 which is the other output shaft, and the hole Db connected to the hole Da, and at the rising portion of the gentle curved surface. As shown in FIG. 3 and FIG. 6, two types of ventilation holes, that is, a ventilation hole having an opening D 2, and the opening D 2 of the hole Db at the rising portion of the gently curved surface are connected, and the position of the opening D 2 And a rotor 7 having a groove 11 extending to the slidable contact portion 12 and, as shown in FIG. 3, the center P of the casing 1 and the axial center P of the rotor are arranged to coincide with each other. It is characterized by things.

  In the fluid pressure motor in which the center P of the casing 1 and the shaft center P of the rotor are arranged so as to coincide with each other, as shown in FIGS. Connection of the opening C1 on the end surface of the support shaft 8 and an external pressure fluid source together with the cover 15 for sealing the casing 1 provided with a bearing 15x for supporting the support shaft 8 of the rotor 7 having a ventilation hole A side case 14 provided with the connection port A that forms a vacant space B that mediates a ventilation path with the port A, and a support shaft 9 that serves as an output shaft of the rotor 7 that has a vent hole as a fluid discharge hole. Along with the other casing 1 sealing lid 16 provided with a bearing 16x to be supported, the output shaft 9 penetrating through the lid 16 and projecting to the outside is further pivotally supported by the bearing 17x, and the shaft is supported by the plug screw 18. The opening D1 on the end face was sealed The side provided with the discharge port F that forms a vacant space E that mediates the ventilation path between the hole Da in the force shaft 9 and the horizontal hole Dc of the output shaft 9 that connects the ventilation path and the discharge port F to the outside. It is characterized by comprising a case 17.

  The operation of the fluid pressure motor shown in the first embodiment will be described. As shown in FIG. 3, the plate-like vane bodies 4a and 4b arranged at the two positions Y and Y ′ have the elasticity of the spring 6, respectively. 9 and FIG. 12, at least one vane body projects from the inner peripheral surface of the casing 1 to the cylindrical outer peripheral surface portion 19 forming the rotor 7 shown in FIG. 7. The tip of the body is in contact. The rotation operation of the fluid pressure motor is sequentially shown in FIGS. As shown in FIG. 9, the pressure fluid flows out from the opening C <b> 2 to the sealed space between the vane body 4 a and the stepped portion 13, acts on the surface of the stepped portion 13, and directs the rotor 7 in the rotation direction V. Rotate. On the other hand, the fluid on the gently curved surface side is discharged from the opening D2 through the hole Db and the like. In FIG. 10, the pressure fluid flows out into the sealed space between the vane body 4 a and the step portion 13 and continues to act on the surface of the step portion 13. The fluid between the vane body 4b and the sliding contact portion 12 on the gently curved surface reaches the opening D2 through the groove 11, and further passes through the hole Db and is discharged. As shown in FIG. 11, the sealed space is generated between the vane body 4 a and the stepped portion 13 as in FIG. 10. As shown in FIG. 12, if the pressure fluid acts on the sealed space between the vane body 4a and the stepped portion 13, the rotor 7 can be rotated by 1/2 or more rotations. In operation, the rotation of the rotor 7 continues due to the action of the pressure fluid flowing out into the sealed space generated between the vane body 4b and the stepped portion 13.

  The fluid supply path and the discharge path will be described. As shown in FIGS. 3, 4, 5, and 6, the pressure fluid flows from the external pressure fluid source into the empty chamber B through the connection port A, and rotates. The sealed space formed by the stepped portion 13 and the vane body 4a from the opening C2 of the stepped portion 13 through the hole Ca1 and the hole Cb from the opening C1 of the shaft end surface of the support shaft 8 of the rotor 7 that is in operation. , And acts on the surface of the step portion 13 to rotate the rotor 7 in the rotation direction V. The fluid on the gently curved surface side flows into the empty chamber E through the opening D2 through the holes Db and Da, and the horizontal hole Dc of the output shaft 9 in which the opening D1 on the shaft end surface is sealed with the plug screw 18, It is discharged to the outside from the discharge port F via the empty room E. The above fluid flow is performed while the rotor 7 rotates.

  In the second embodiment, the configuration of a fluid pressure motor having a B-type rotor as a component based on FIGS. 13 to 18 and the B-type rotor as a component based on FIGS. The operation of the fluid pressure motor will be described. Other components except for the B-type rotor are the same as those in the first embodiment.

As a second embodiment, the configuration of a fluid pressure motor having a B-type rotor as a component will be described. As shown in FIGS. 15, 16, and 17, a spindle 8 ′ and a spindle 9 ′ are provided at both ends. A plate member 10 having a sliding contact portion 12 ′ as a guide member on a plate member 10 ′ having a sliding contact portion 12 ′ with the inner peripheral surface of the casing 1 as a space partition portion at one location on the outer peripheral surface of the cylindrical body having the cylindrical body. Two plate members Ha and Hb each having an inclined surface from the outer peripheral surface of the columnar body to a gentle curved surface and reaching the sliding contact portion 12 'of the plate member 10' A space partition provided with plate members Ha and Hb as guide members on a plate member 10 ′ having a sliding contact portion 12 ′ by being arranged on the outer peripheral surface of the body in parallel and spaced apart from each other in the circumferential direction. Is formed as a fluid supply hole. Vent holes ca and cb passing through the inside of the cylindrical body from the end surface c1 and having the position of the opening c2 on the outer peripheral surface of the cylindrical body in the vicinity of the plate member 10 'having the sliding contact portion, and another output shaft as a fluid discharge hole The supporting shaft 9 ′ end surface d1 that passes through the inside of the cylindrical body has a position of the opening d2 between the two plate materials Ha and Hb and on the outer peripheral surface of the cylindrical body in the vicinity of the plate material 10 ′ having the sliding contact portion. A rotor 7 ′ having two types of ventilation holes da and db is formed, and a fluid pressure motor is configured in which the axis P ′ of the rotor 7 ′ and the center P of the casing 1 are aligned with each other. To do.

The operation of the fluid pressure motor according to the second embodiment will be described with reference to the rotational operation explanatory diagrams of the fluid pressure motor shown in FIGS. As shown in FIG. 19, the vane body 4a as the space dividing device is detached from the sliding contact portion 12 ′ of the plate member 10 ′ forming the space partition portion of the rotor 7 ′ and protrudes to the inside, and the tip of the vane body 4a is outside the cylindrical body. The state which contacted the surrounding surface is shown. The pressure fluid from cb that forms a vent hole as a fluid supply hole is supplied between the plate material 10 ′ and the vane body 4a and acts on the plate material 10 ′, and the rotor 7 ′ rotates in the rotation direction V ′. I do. The fluid on the guide member side is discharged through db that forms a vent hole as a fluid discharge hole. FIG. 20 shows an operation in which the rotation progresses and the vane body 4b as the space dividing device is pushed up by the guide member of the rotor 7 ′, and the pressure fluid is rotated as in FIG. The fluid on the guide member side is discharged through db, acting between the 10 ′ stepped portion 13 ′. Further, in FIG. 21, when the space partition portion of the rotor 7 ′ passes through the vane body 4b, the pressure fluid is supplied between the vane body 4b and the step portion 13 ′ of the plate material 10 ′, and the step portion 13 of the plate material 10 ′. By acting on the surface of ', the rotor 7' rotates in the direction of rotation V '.

  As Example 1, the configuration of a fluid pressure motor including an A-type rotor as a component is shown in FIGS. 1 to 8, and the rotation operation of the fluid pressure motor by the action of the pressure fluid is shown in FIGS.

As shown in FIGS. 3 and 8, the casing has a structure in which a storage portion 2 having a groove 3 is provided at two locations Y and Y ′ opposite to each other in the radial direction of the casing 1 based on a cylindrical body. And plate-like vane bodies 4a and 4b each having a groove 5 together with a spring 6 inserted into a hole 6 '. As shown in FIGS. 4 to 7, the rotor is basically composed of a cylindrical body having support shafts 8 and 9 at both ends, and a gentle curved surface from the outer peripheral surface is formed at one place on the outer peripheral surface of the cylindrical body. A protrusion 10 that has a sliding contact portion 12 with the inner peripheral surface of the casing at the top and the top, and that forms a steep stepped portion 13 past the sliding contact portion 12 and reaches the outer peripheral surface of the cylindrical body. Further, a vent hole as a fluid supply hole that passes through the cylindrical body and the protrusion 10 from the opening C1 of the shaft end surface of the support shaft 8 and has the position of the opening C2 on the surface of the stepped portion 13 of the protrusion 10. As a fluid discharge hole that passes through the inside of the cylindrical body from the opening D1 on the shaft end surface of the support shaft 9 that is the other output shaft, and has the position of the opening D2 at the rising portion of the gently curved surface of the cylindrical body As shown in FIG. 6, it is not connected to the opening D2. Et al, gently curved surface to form a rotor provided with a groove 11 until it reaches the sliding contact portion 12 of the protrusion 10. As shown in FIG. 3, inside the casing 1 provided with two vane bodies 4a and 4b, a cylindrical body provided with a center P of the casing and supporting shafts 8 and 9 at both ends, and an inner peripheral surface of the casing 1 The projection 10 formed by the gently curved surface and the steep step 13 and the support shafts 8 and 9 at both ends respectively pass through the inside of the cylinder and the projection 10 and the inside of the cylinder. The axial center P of the rotor 7 provided with two types of vent holes having opening positions C2 and D2 before and after the sliding contact portion 12 of the protrusion 10 is characterized in that it is further arranged. As shown in FIG. 4 regarding the supply and discharge of fluid to and from the hydraulic motor, the fluid supply forms a void B between the lid 15 of the casing 1 and the side case 14 with respect to the rotating rotor 7. By means of this, the vacant chamber B is connected to the fluid pathway And then, connecting the connecting port A to the external pressure fluid source, a fluid path between the openings C1 of the fluid supply hole of the support shaft 8 end face. In addition, the fluid discharge is performed by forming a void E between the lid 16 and the side case 17 so that the void E is used as an intermediary part that connects the fluid paths, and the fluid discharge hole located in the void E is provided. The horizontal hole Dc is connected to the discharge port F on the side case 17 side. In this case, the opening D1 at the end face of the output shaft 9 is sealed with the screw plug 18.

  The action of the pressure fluid and the rotation operation of the fluid pressure motor will be described in order. FIG. 9 shows that the sealed space between the vane body 4b and the stepped portion 13 of the projection body 10 is maintained in the rotation operation of the rotor 7 in the rotation direction V. It is shown that the vane body 4a is further operated. FIG. 10 shows that the pressure fluid acts on the sealed space between the vane body 4a and the stepped portion 13 of the protrusion 10 and the rotor 7 rotates in the rotation direction V, while the vane body 4b is on the gentle curved surface side. This shows that the fluid between the vane body 4b and the sliding contact portion 12 of the projection body 10 can pass through the groove 11 and flow out to the opening D2 on the fluid discharge hole side. In FIG. 11, when the rotation of the rotor advances and the sliding contact portion 12 of the rotor reaches the position of the vane body 4 b, the vane body 4 b is moved into the groove 3 of the storage portion 2 by the sliding contact portion 12 against the spring elasticity. The figure when pushed back is shown. FIG. 12 shows that immediately after the vane body 4a is actuated, if the pressure fluid acts on the sealed space generated between the stepped portion 13 of the rotor projection 10 and the vane body 4a, the rotor can rotate more than 1/2 turn. However, after the vane body 4a is actuated, if the rotor is rotated 1/2 turn, the other vane body 4b is actuated to create a sealed space between the vane body 4b and the stepped portion 13 of the protrusion 10. Since it overlaps with the sealed space formed with the vane body 4a, continuous rotation is maintained.

  As Example 2, the configuration of a fluid pressure motor including a B-type rotor as a component is shown in FIGS. 13 to 18, and the rotation operation of the fluid pressure motor by the action of the pressure fluid is shown in FIGS.

  FIG. 13 is an external view of the fluid pressure motor. FIG. 14 is a front view of the fluid pressure motor. FIG. 13 is a cross-sectional view taken along the line RP′-R ′ in FIG. Is shown in FIG. FIGS. 17 and 18 show a B-type rotor 7 ′. The rotor 7 ′ has a cylindrical body having a support shaft 8 ′ at both ends and a support shaft 9 ′ serving as an output shaft. A space formed by adding two plate members, Ha and Hb, as guide members, arranged in parallel in the circumferential direction at a distance from the plate member 10 ′ having the sliding contact portion 12 ′ with the inner peripheral surface. A partition is provided. As shown in FIGS. 15 to 18, the fluid supply path passes through the hole ca and the hole cb from the opening c <b> 1 on the end surface of the support shaft 8 ′ through the vacancy B from the connection port A of the side case 14. It flows out between the vane body 4a or 4b and the plate member 10 'from the opening c2 on the outer peripheral surface of the cylindrical body. In addition, the fluid discharge path passes through the hole db, the hole da, and the horizontal hole dc of the output shaft 9 ′ from the opening d <b> 2 on the outer peripheral surface of the cylindrical body, and is discharged to the outside from the discharge port F through the empty chamber E. The opening d1 at the end face of the support shaft 9 'as the output shaft is sealed with a plug screw 18'.

  FIG. 19 to FIG. 21 are diagrams sequentially showing the rotation operation of the rotor 7 ′ subjected to the action of the pressure fluid. As shown in FIG. 19, the pressure fluid is supplied from the vent hole cb to the sealed space between the tip end of the vane body 4a and the stepped portion 13 ′ of the plate member 10 ′ having the sliding contact portion 12 ′. Then, the pressure fluid acts on the surface of the stepped portion 13 ′ of the plate member 10 ′, so that the rotor 7 ′ rotates in the rotation direction V ′. In this state, the one vane body 4a and the space in the rotation direction The pressure fluid acts on the sealed space generated between the step portion 13 ′ of the plate member 10 ′ having the sliding contact portion which is the partition portion, so that the rotor 7 ′ can rotate more than 1/2 rotation. However, the vane body 4b climbs on the guide member when the rotor has further made half a turn from the state shown in FIG. 19, temporarily immerses in the groove 3 of the storage portion 2, and protrudes when the sliding contact portion 12 'passes through. When the tip of the body 4b contacts the outer peripheral surface of the cylindrical body, It generates a new sealed space between the step portion 13 of the cut portion '. Thus, every time the rotor rotates 1/2, the vane bodies 4a and 4b operate alternately, and a sealed space is generated between the operated vane bodies, so the rotor 7 'continues to maintain continuous rotation.

The meaning and definition of terms used in the specification of the present invention will be described.
The two locations on the opposite side in the radial direction of the cylindrical body that form the casing 1 indicate locations located at Y and Y ′ shown in FIG. 3.
The space dividing device is a device in which a space surrounded by the casing 1, the rotor 7, and the two lids 15 and 16 that seal both sides of the casing 1 is projected from the inner peripheral surface of the casing and the tip is in contact with the outer peripheral surface of the rotor. The plate-shaped vane bodies 4a and 4b which divide | segment the said space are shown.
The space partition portion partitions the space surrounded by the casing 1, the rotor 7, and the two lids 15 and 16 that seal both sides of the casing 1, and the sliding contact portion 12 with the inner peripheral surface of the casing 1 is formed on the top. The protrusion 10 with which the rotor 7 which has is shown is shown.
The cylinder outer peripheral surface portion 19 refers to the outer peripheral surface portion of the rotor 7 in the range shown in FIG. 7, and the step portion 13 of the protrusion 10 while the tip of the vane body 4 a or the vane body 4 b is in sliding contact with the outer peripheral surface portion. And the outer peripheral surface portion on the rotor 7 side where a sealed space can be formed.
In this specification, the formation and function of the vacancies B and E are described. In other words, the vacancy B is the lid 15 and the side case 14, and the vacancy E is the lid 16 and the side case 17. The function of the vacant chamber B is that the opening C1 of the end face of the support shaft 8 on the fluid supply side and the connection port A provided in the side case 14 and the other side on the fluid discharge side. This is to mediate and connect the ventilation path between the horizontal hole Dc of the main shaft 9 which is the support shaft of the main shaft 9 and the discharge port F provided in the side case 17.
The operation of the vane bodies 4a and 4b means that the vane bodies 4a and 4b protrude from the groove 3 of the storage portion 2 by the elasticity of the spring, and the tip is brought into contact with the outer peripheral surface of the rotor.
The spring 6 in the first and second embodiments is a coil spring.
Pressure fluid is supplied from the connection port A with the external pressure source.
In the present specification, two kinds of rotors, that is, two kinds of fluid pressure motors having A type and B type as constituent elements are described, but the constituent elements excluding the rotor are common.
The space partition formed by the plate member 10 ′ and the guide member in the B-type rotor also belongs to the protrusions.

  In the fluid pressure motor according to the present invention, the fluid supply path of the fluid pressure motor is a fluid suction path, the fluid discharge path is a fluid discharge path, the output shaft of the fluid pressure motor is a drive shaft, and the drive shaft rotates. Since it functions as a fluid pressure pump by inputting a driving force, it can be used as a fluid pressure motor or a fluid pressure pump in a field where a rotating machine that handles existing fluid is used.

DESCRIPTION OF SYMBOLS 1 Casing 2 Storage part 3 Groove 4a Vane body 4b Vane body 5 Groove 6 Spring 6 'Hole 7 Rotor 7' Rotor 8 Support shaft 8 'Support shaft 9 Support shaft (Output shaft)
9 'Support shaft (output shaft)
DESCRIPTION OF SYMBOLS 10 Protrusion body 10 'Plate material 11 Groove 12 Sliding contact part 12' Sliding contact part 13 Step part 13 'Step part 14 Side case 15 Lid 15x Bearing 16 Lid 16x Bearing 17 Side case 17x Bearing 18 Plug screw 18' Plug screw 19 Outside cylinder body Peripheral surface portion a Starting position of the outer peripheral surface portion of the cylindrical body b End position of the outer peripheral surface portion of the cylindrical body A Connection port B Vacant chamber C1 Opening portion of the end surface of the supporting shaft c1 Opening portion of the end surface of the supporting shaft 8 'Ca hole ca hole Cb hole cb hole C2 opening part c2 opening part D1 opening part of output shaft 9 end face d1 opening part of output shaft 9 'end face Da hole da hole Db hole db hole Dc horizontal hole of output shaft 9 dc horizontal hole of output shaft 9' D2 opening Part d2 Opening E Evacuum F Discharge port Ha Plate material Hb Plate material V Rotation direction V 'Rotation direction Y Position Y' Position P Center of casing, axis of rotor 7 P 'axis of rotor 7'

Claims (3)

  As a space dividing device, the cylindrical body has a groove parallel to the protruding direction on one side of the plate surface that protrudes inward from the inner peripheral surface of the cylindrical body by the elasticity of the spring at two locations on the opposite sides of the cylindrical body. A space partition portion is formed at one place on the outer peripheral surface of a cylindrical body having a plate-like vane body placed in a housing portion having a groove in which the vane body can slide and a spindle at both ends. Rising from the outer peripheral surface with a gently curved surface, having a sliding contact portion with the inner peripheral surface of the casing at the top, and forming a steep step portion past the sliding contact portion to reach the outer peripheral surface of the cylindrical body. Further, as a fluid supply hole, a vent hole that passes through the inside of the cylindrical body and the inside of the projection body from one end face of the support shaft, and has a position of an opening in the step portion of the projection body, and a fluid discharge As a hole, it passes through the inside of the cylindrical body from the end surface of the support shaft, which is the other output shaft, Two openings, a vent having a position of an opening at a gently curved rising position, and an opening of a vent as a fluid discharge hole at a gently curved rising position, the opening A groove is formed on the gently curved surface to reach the sliding contact portion, forming a rotor that rotates with the gently curved surface side of the projection as the front, and the center of the casing coincides with the axis of the rotor. Fluid pressure motor characterized by being arranged and configured. As a space dividing device, the cylindrical body has a groove parallel to the protruding direction on one side of the plate surface that protrudes inward from the inner peripheral surface of the cylindrical body by the elasticity of the spring at two locations on the opposite sides of the cylindrical body. A space partition portion is formed at one place on the outer peripheral surface of a cylindrical body having a plate-like vane body placed in a housing portion having a groove in which the vane body can slide and a spindle at both ends. As a guide member, the plate member having the sliding contact portion with the inner peripheral surface of the casing is raised as a guide member on one side of the plate surface with a gentle curved surface from the outer peripheral surface of the cylindrical body. Two plate members with inclined surfaces until reaching the contact part are added to the plate member having a sliding contact part arranged on the outer peripheral surface of the cylindrical body parallel to each other along the circumference. To form a space partition with a guide member, and As a fluid supply hole, a vent hole that passes through the inside of the cylindrical body from one end face of the spindle and has an opening on the outer peripheral surface of the cylindrical body in the vicinity of the plate member having the sliding contact portion, and a fluid discharge hole, Two types of air holes that pass through the inside of the cylindrical body from the end surface of the support shaft serving as the output shaft and have an opening position between the two plate members and in the vicinity of the plate member having a sliding contact portion in the cylindrical body outer peripheral surface The fluid pressure is characterized in that a rotor that rotates with the guide member side of the space partition portion as a front portion is formed , and the center of the casing and the axial center of the rotor are arranged to coincide with each other. motor.   A casing sealing cover provided with a bearing for supporting a rotor shaft having a vent hole as a fluid supply hole from an opening portion of one of the shaft end surfaces, an opening portion of the shaft end surface, and an external pressure fluid A side case provided with the connection port, which forms a void that mediates the ventilation path of the connection port with the source, and the other support shaft serving as a rotor output shaft having a vent hole as a fluid discharge hole are pivotally supported. Ventilation hole and ventilation path inside the output shaft in which the opening of the shaft end surface is sealed with a stopper while further supporting the output shaft that passes through the lid and protrudes to the outside together with the casing sealing lid provided with the bearing A side case having the discharge port, which forms a vacant space that mediates a ventilation path between the horizontal hole of the output shaft to which the discharge shaft is connected and the discharge port to the outside. The fluid pressure motor according to claim 1 or 2.

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