WO2013014891A1 - トラックのテールゲート用の回転減速装置 - Google Patents
トラックのテールゲート用の回転減速装置 Download PDFInfo
- Publication number
- WO2013014891A1 WO2013014891A1 PCT/JP2012/004609 JP2012004609W WO2013014891A1 WO 2013014891 A1 WO2013014891 A1 WO 2013014891A1 JP 2012004609 W JP2012004609 W JP 2012004609W WO 2013014891 A1 WO2013014891 A1 WO 2013014891A1
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- WIPO (PCT)
- Prior art keywords
- chamber
- rotation
- rotating body
- viscous fluid
- passage
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
- B62D33/03—Sideboard or tailgate structures movable by swinging down
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
- E05F5/022—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops specially adapted for vehicles, e.g. for hoods or trunks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/145—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only rotary movement of the effective parts
Definitions
- the present invention relates to a rotational speed reducer that can be suitably used to control the rotational speed of a tailgate of a truck.
- the tailgate hinged to the truck body is opened / closed when loading / unloading a cargo onto / from the truck bed, and such opening / closing is usually performed manually.
- the present invention has been made in view of the above-mentioned points, and an object of the present invention is to bring the tailgate to the open position at a constant speed while suppressing rapid rotation of the track tailgate in the opening direction. It can generate a small resistance torque against the rotation of the truck's tailgate in the closing direction, and thus can bring the truck's tailgate to the closed position quickly with a small force and can be made compact.
- An object of the present invention is to provide an easy-to-use rotary reduction device for a tailgate of a truck.
- the rotational speed reducer for a tailgate of a track has a cylindrical inner peripheral surface and has an inner protrusion integrally formed on the inner peripheral surface that protrudes radially inward from the inner peripheral surface.
- a container having a cylindrical outer peripheral surface facing the inner peripheral surface of the container, and an outer protrusion integrally formed on the outer peripheral surface projecting radially outward from the outer peripheral surface.
- the rotating body is defined by a rotating body that is rotatably arranged inside the container, and an inner peripheral surface of the container, an outer peripheral surface of the rotating body, and side surfaces facing each other in the rotation direction of the inward projection.
- the viscous fluid accommodated in the internal space partitioned into the first and second two chambers by the outer projection of the first and second chambers is provided on the rotating body so as to communicate with each other.
- the rotation corresponding to the rotation in the opening direction of the first and second passages and the tailgate of the truck In one direction of rotation of the body relative to the container, the internal pressure of the viscous fluid in one of the two chambers increases by a certain level or more due to the rotation in the one direction. Permitting the flow of viscous fluid through the first passage to the other chamber, while one from the other chamber in rotation in the other direction relative to the container of the rotor corresponding to rotation in the closing direction of the tailgate of the track.
- a first one-way valve disposed in the first passage to inhibit the flow of the viscous fluid through the first passage to the chamber, and one chamber in rotation in one direction relative to the container of the rotating body
- the first one-way valve is arranged on the rotary body, and is seated on the valve seat and arranged inside the rotary body.
- a sphere and an elastic member that contacts the sphere at one end so as to elastically press the sphere toward the valve seat, and the second passage is at least formed at the protruding edge of the outward projection.
- the second one-way valve has a valve body that is provided so as to be movable with respect to the rotation direction at the protruding edge of the outer protrusion across the protruding edge of the outer protrusion.
- the valve body is configured to block the notch in the rotation of the rotating body in one direction with respect to the housing body and inhibit the flow of the viscous fluid through the second passage from the one chamber to the other chamber.
- a fully closed piece disposed on one surface of the outer projection receiving the internal pressure of the viscous fluid in the chamber, The internal pressure of the viscous fluid in the other chamber is adjusted so as to allow the viscous fluid to flow through the second passage from the other chamber to the one chamber by partially closing the notch in rotation in the other direction relative to the container.
- the incomplete closure piece disposed on the other surface of the outer projection to be received, and the container disposed on the projecting edge of the outer projection so as to connect the complete closure piece and the incomplete closure piece to each other A connecting portion that is slidably in contact with the inner peripheral surface and the protruding edge of the outer protrusion in the rotational direction.
- the internal pressure of the viscous fluid in one chamber is reduced in one direction of rotation relative to the container of the rotating body corresponding to rotation in the opening direction of the tailgate of the track.
- the second one-way valve prohibits the flow of viscous fluid through the second passage from one chamber to the other, while the viscosity in one chamber due to rotation in that one direction.
- the first one-way valve prohibits the flow of viscous fluid through the second passage from one chamber to the other, resulting in the opening direction of the truck's tailgate.
- a resistance torque is generated corresponding to the amount of increase in the internal pressure of the viscous fluid with respect to the rotation of the rotating body in one direction relative to the container corresponding to the rotation, and the viscous fluid in one chamber is rotated by the rotation in the one direction.
- the first one-way valve allows the flow of viscous fluid through the second passage from one chamber to the other chamber, and as a result, accommodates the rotating body corresponding to the rotation in the opening direction of the tailgate of the track.
- a constant resistance torque is generated by suppressing a further increase in the internal pressure of the viscous fluid with respect to the rotation in one direction with respect to the rotation of the track.
- the tailgate can be brought into the open position with the rotation of the rotating body in the other direction relative to the rotation of the truck tailgate in the closing direction, regardless of the increase in the internal pressure of the viscous fluid in the other chamber.
- the first one-way valve prohibits the flow of the viscous fluid through the second passage from the other chamber to the one chamber, while the second one is the same regardless of the increase in the internal pressure of the viscous fluid in the other chamber.
- One way valve is the other A small resistance to rotation in the other direction relative to the container of the rotating body corresponding to the rotation in the closing direction of the tailgate of the track, as a result of allowing viscous fluid flow through the second passage from the chamber to one chamber Torque can be generated, and thus the truck tailgate can be quickly brought to the closed position with a small force, and an easy-to-use rotary reduction device for the truck tailgate can be provided.
- the container includes a cylindrical main body that defines the inner space and has the cylindrical inner peripheral surface integrally formed with the inner protrusion, and an axial direction of the cylindrical main body.
- a rotating body having a lid portion integrally provided at one end portion and a lid member attached to the other end portion in the axial direction of the cylindrical main body and having a through-hole in the center; Comprises a rotating body main body having the outer peripheral surface integrally formed with outward projections, and a cylindrical body fitted inside the rotating body main body. It is formed in the body main body and the cylindrical body, the spherical body is arranged in the hollow part of the cylindrical body, and the valve seat is formed in the cylindrical body.
- the inward projection is a projection main body integrally formed on the inner peripheral surface of the container, and covers the protruding end of the projection main body, and slides in the rotational direction on the outer peripheral surface of the rotary body. It is preferable to have a sealing member that freely contacts, and it is preferable that this sealing member also has wear resistance because the sealing performance can be maintained over a long period of time.
- the sphere is seated on the valve seat to close the first passage when receiving the internal pressure of the viscous fluid from the other chamber in the rotation in the other direction with respect to the container of the rotating body.
- the first passage so as to open the first passage away from the valve seat when receiving the internal pressure of the viscous fluid that has risen above a certain level from one chamber due to rotation in one direction relative to the container of the rotating body It is arranged in.
- the fully closed piece When the fully closed piece receives the internal pressure of the viscous fluid from one chamber, it contacts one surface of the outward projection to close the notch, while the incompletely closed piece has the viscous fluid of the other chamber.
- the incomplete closure piece part When receiving the internal pressure, it is preferable that the incomplete closure piece part is separated from one surface of the outward projection by the movement of the connecting portion accompanying the movement of the outward projection to the other surface.
- the container is fixed to the vehicle body of the truck, and the rotary body is connected to the rotating shaft of the tailgate.
- the housing body is connected to the rotating shaft of the tailgate, and the rotating body may be fixed to the vehicle body of the truck.
- the rotational speed reducer of the present invention is preferably arranged in a truck tail lamp housing case.
- a silicone oil of preferably 100 to 1,000,000 cst, more preferably 10,000 to 100,000 cst can be exemplified.
- the container and the rotary body are made of aluminum
- the valve body, the cylindrical body, and the seal member are made of synthetic resin
- the sphere is made of a steel ball.
- the present invention it is possible to suppress the rapid opening direction of the tailgate of the truck and bring the tailgate to the opening position at a constant speed, and a small resistance torque against the closing direction of the truck tailgate.
- a rotational speed reducer for a truck tailgate that can be formed in a small size while being able to quickly bring the truck tailgate to the closed position with a small force. it can.
- FIG. 1 is a cross-sectional explanatory view taken along the line II of FIG. 2 showing an example of an embodiment of the present invention.
- FIG. 2 is a cross-sectional explanatory view taken along the line II-II in the example shown in FIG.
- FIG. 3 is a cross-sectional explanatory view taken along line I-III shown in FIG. 4 is a cross-sectional explanatory view taken along the line IV-I shown in FIG.
- FIG. 5 is a cross-sectional explanatory view taken along line VI in FIG. 6 is a cross-sectional explanatory view taken along the line I-VI shown in FIG.
- FIG. 7 is a left side explanatory view of the example shown in FIG.
- FIG. 8 is an explanatory diagram of the tailgate of the track.
- FIG. 9 is an explanatory diagram of the tailgate and the like of the track.
- FIG. 10 is an operation explanatory diagram of the example shown in FIG.
- FIG. 11 is an operation explanatory diagram of
- a rotary speed reducing device 1 for a tailgate of a truck has a cylindrical inner peripheral surface 2 and projects radially inward from the inner peripheral surface 2 to the inner peripheral surface 2.
- a housing 5 having inward projections 3 and 4 formed integrally therewith, and a cylindrical outer circumferential surface 6 facing the inner circumferential surface 2 of the housing 5 and radially outward from the outer circumferential surface 6.
- a rotating body 8 having outer protrusions 7a and 7b integrally formed on the outer peripheral surface 6 so as to protrude in the direction of rotation and arranged to be rotatable in the rotation direction R about the axis O inside the housing body 5.
- Two chambers 11a and 12a and 11b and 12b at the outer projections 7a and 7b Passages 15a, 16a and 15b provided in the rotating body 8 so that the viscous fluids 14a and 14b accommodated in the partitioned internal spaces 13a and 13b and the two chambers 11a and 12a and 11b and 12b communicate with each other.
- a mounting portion 42 having a hole 41; a positioning projection 43 provided integrally on the outer peripheral surface 40 of the flange portion 34; and a cylindrical bearing portion 45 provided integrally on the inner side surface 44 of the lid portion 33;
- the container 5 has a through hole 41 of the mounting portion 42. Via bolts or the like to be input is adapted to be secured to the vehicle body 46 of the track 17.
- Each of the inward protrusions 3 and 4 is covered with a protrusion main body 51 integrally formed on the inner peripheral surface 2 of the cylindrical main body 31 of the container 5 and a protruding end 52 of the protrusion main body 51 and is rotated.
- a seal member 53 having a U-shaped cross section that is slidably in contact with the outer peripheral surface 6 of the body 8 in the rotation direction R is provided.
- the rotating body 8 has an outer peripheral surface 6 with outer protrusions 7a and 7b integrally formed, and a bottomed hole 62 with a detent for receiving the rotation shaft 61 of the tailgate 18 of the track 17 at one end surface 63. And a rotating body main body 64, and a bottomed hole 66 opened at the other end face 65 of the rotating body main body 64.
- the composite body is fitted and fixed inside the rotating body main body 64 and has a hollow portion 67.
- a cylindrical shaft portion 69 formed integrally with the resin-made cylindrical body 68 and the other end surface 65 of the rotating body main body 64 and surrounding the bearing portion 45 and rotatably supported by the bearing portion 45 in the rotation direction R. It is equipped with.
- Seal rings 71, 72, and 73 that prevent the viscous fluids 14 a and 14 b from leaking are disposed between the container 5 and the rotating body 8.
- the rotating body 8 on the other hand, has a cylindrical shaft portion 69.
- the bearing portion 45 is supported so as to be rotatable in the rotational direction R, and on the other hand, is supported by the container 5 so as to be rotatable in the rotational direction R via a bushed bush bearing 74 disposed between the lid member 37 and the lid member 37.
- the one-way valve 19 shared with the passages 15a and 16a and 15b and 16b is a valve seat 81 formed on the cylindrical body 68 of the rotating body 8, and is seated on the valve seat 81 and inside the rotating body 8.
- the coil spring 86 as an elastic member which contacts the inner surface 44 of the cover part 33.
- silicone oil of 100 to 1,000,000 cst, preferably 10,000 to 100,000 cst is used, and in one embodiment, 10,000 cst of silicone oil is used. Is done.
- the passage 15a formed in the rotating body 64 and the cylindrical body 68 is opened to the chamber 11a at one end, is defined by the outer surface of the cylindrical body 68 and is formed in the rotating body main body 64, and the passage 91a at one end.
- 93a one end communicating with the slit 93a, and the other end opening into the chamber 12a and a slit 94a formed in the rotating body 64 and the cylindrical shaft portion 69, to the chamber 12a of the slit 94a.
- the open end 95a at the other end is closed by the seal member 53 of the inward projection 3 at a position where the rotary body 8 is fully rotated in the direction R2 (rotation position shown in FIG. 2).
- 92 and The hollow portion 67 is shared by a passage 15a and the passage 15b.
- the spherical body 83 sits on the valve seat 81 and closes the passage 15a when receiving the internal pressure of the viscous fluid 14a from the chamber 12a in the rotation in the direction R2 of the rotating body 8 with respect to the containing body 5, while the passage 15a is closed.
- the passage 15a leaves the valve seat 81 and opens the through hole 92 in the passage 15a. It is arranged in.
- the one-way valve 20a for opening and closing the passage 16a having at least one, in this example, two notches 97a, formed on the protruding edge 96a of the outer protrusion 7a has the protruding edge 96a of the outer protrusion 7a.
- a valve body 98a is provided so as to be movable in the rotational direction R on the projecting edge 96a of the outer projection 7a.
- the valve body 98a closes each notch 97a in the rotation of the rotating body 8 with respect to the container 5 in the direction R1, and inhibits the flow of the viscous fluid 14a through the passage 16a from the chamber 11a to the chamber 12a.
- a completely closed piece 102a disposed on one surface 101a of the outward projection 7a that receives the internal pressure of the viscous fluid 14a, and a notch 97a partially closed in the rotation of the rotating body 8 in the direction R2 with respect to the housing 5
- An incompletely closed piece 104a disposed on the other surface 103a of the outward projection 7a that receives the internal pressure of the viscous fluid 14a in the chamber 12a so as to allow the viscous fluid 14a to flow through the passage 16a from the 12a to the chamber 11a.
- the inner peripheral surface 2 of the container 5 as well as being arranged on the projecting edge 96a of the outer projection 7a so as to connect the completely closed piece portion 102a and the incompletely closed piece portion 104a to each other. And it includes a connecting portion 105a which is freely sliding contact in the rotational direction R to protruding edge 96a of the fine outward protrusion 7a.
- the completely closed piece 102a When the completely closed piece 102a receives the internal pressure of the viscous fluid 14a from the chamber 11a, it contacts the one surface 101a of the outward projection 7a to close each notch 97a, while the incompletely closed piece 104a When receiving the internal pressure of the viscous fluid 14a of 12a, the movement of the connecting portion 105a accompanying the movement of the outer projection 7a of the incompletely closed piece 104a to the other surface 103a separates from the surface 101a of the outer projection 7a. A gap 106a is formed between the surface 101a (see FIG. 11).
- the container 5 is mounted on the vehicle body 46 via a bolt or the like inserted into the through hole 41 of the mounting portion 42. Further, the rotation position in the rotation direction R is positioned with respect to the vehicle body 46 by the positioning projection 43, while the rotation prevention plate portion 39 is fixed to the vehicle body 46 so as not to rotate in the rotation direction R.
- the rotating body 8 is connected to the rotating shaft 61 of the tailgate 18 fitted into the bottomed hole 62 at one end, and is disposed and used in the tail lamp housing case 110.
- the loading platform 111 of the truck 17 is tailed.
- the outward projection 7a is arranged as shown in FIG. 2 so that the chamber 11a has the maximum volume while the chamber 12a has the minimum volume.
- the rotating body 8 is rotated, the sphere 83 is seated on the valve seat 81, and the one-way valve 19 closes the passage 15a.
- the tailgate 18 that closes the loading platform 111 of the truck 17 is used as the loading platform.
- the valve body 98a is completely closed, and as a result of closing the passage 16a, the internal pressure of the viscous fluid 14a in the chamber 11a increases as the volume of the chamber 11a decreases, and the internal pressure of the viscous fluid 14a increases.
- the resistance torque is generated with respect to the rotation of the rotating body 8 in the direction R1 corresponding to the rising amount of the rotating body 8, and braking is applied to the rotation of the tailgate 18 in the direction R1 that opens the loading platform 111. While the rotation in the abrupt direction R1 is prevented, when the internal pressure of the viscous fluid 14a in the chamber 11a rises above a certain level as the volume of the chamber 11a decreases, the sphere 83 moves against the elastic force of the coil spring 86.
- the one-way valve 19 apart from 1 opens the passage 15a, the viscous fluid 14a in the chamber 11a flows into the chamber 12a through the passage 15a, and the viscosity of the chamber 11a as the volume of the chamber 11a decreases.
- the increase in resistance torque with respect to the rotation of the rotating body 8 in the direction R1 is suppressed, and the tailgate A constant braking is applied to the rotation in the direction R1 to open the 18 loading platform 111, and the tailgate 18 is brought into a state in which the loading platform 111 of the truck 17 is opened (the state shown in FIG. 9).
- the outward projection 7a is arranged so that the chamber 11a has the minimum volume and the chamber 12a has the maximum volume.
- the rotating body 8 is rotated so that the sphere 83 is seated on the valve seat 81 and the one-way valve 19 closes the passage 15a.
- the tailgate 18 that opens the loading platform 111 of the truck 17 is opened. Is rotated in the direction R2 so as to close the loading platform 111, the outer protrusion 7a of the rotating body 8 is also rotated in the direction R2, and this rotation causes contact of the connecting portion 105a with the inner peripheral surface 2 of the container 5.
- valve body 98a Due to the contact resistance and the internal pressure of the viscous fluid 14a in the chamber 12a, the valve body 98a is moved in the direction R1 relative to the outward projection 7a, and the incompletely closed piece 104a contacts the surface 103a of the outward projection 7a.
- the completely closed piece 102a is separated from the surface 101a of the outward projection 7a, and a gap 106a is formed between the completely closed piece 102a and the surface 103a of the outward projection 7a, thereby opening the notch 97a and the valve body.
- 98a is shown in FIG.
- the viscous fluid 14a in the chamber 12a easily flows into the chamber 11a through the passage 16a and the gap 106a, and as the volume of the chamber 12a decreases.
- the tailgate 18 closes the loading platform 111 of the truck 17 with little increase in the internal pressure of the viscous fluid 14a in the chamber 12a and little braking against the rotation of the tailgate 18 in the direction R2 for closing the loading platform 111. To the state (the state shown in FIG. 8).
- the one-way valve 20a prohibits the flow of the viscous fluid 14a through the passage 16a from the chamber 11a to the chamber 12a, while in the chamber 11a due to the rotation in the direction R1.
- the one-way valve 19 prohibits the flow of the viscous fluid 14a through the passage 15a from the chamber 11a to the chamber 12a.
- the tail gate 18 of the track 17 rotates in the opening direction.
- the one-way valve 19 allows the viscous fluid 14a to flow through the passage 15a from the chamber 11a to the chamber 12a.
- a constant resistance torque is obtained by suppressing further increase in the internal pressure of the viscous fluid 14a in the chamber 11a with respect to the rotation in the direction R1 of the rotating body 8 relative to the container 5 corresponding to the rotation of the 17 tailgate 18 in the opening direction. Therefore, the tail gate 18 of the track 17 can be brought to the open position at a constant speed by suppressing the rapid rotation of the tail gate 18 of the track 17 and the rotation of the tail gate 18 of the track 17 in the closing direction. In the rotation in the direction R2 with respect to the container 5 of the rotating body 8 corresponding to the one-way valve 19, the one-way valve 19 does not increase in the internal pressure of the viscous fluid 14a in the chamber 12a.
- the two inner spaces 13a and 13b are formed by the inner protrusions 3 and 4.
- one inner protrusion defines one inner space.
- the one internal space may be divided into two chambers by one outward projection, and further, three or more internal spaces are formed by three or more inward projections. You may partition into two chambers by an outward protrusion.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Combustion & Propulsion (AREA)
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- Fluid-Damping Devices (AREA)
Abstract
Description
、本発明はこれら例に何等限定されないのである。
2 内周面
3、4 内方突起
5 収容体
6 外周面
7a、7b 外方突起
8 回転体
9a、9b、10a、10b 側面
11a、11b、12a、12b 室
13a、13b 内部空間
14a、14b 粘性流体
15a、15b、16a、16b 通路
17 トラック
18 テールゲート
19 一方向弁
Claims (7)
- 円筒状の内周面を有すると共に当該内周面から径方向内方に突出して当該内周面に一体的に形成された内方突起を有した収容体と、この収容体の内周面に対面した円筒状の外周面を有すると共に当該外周面から径方向外方に突出して当該外周面に一体的に形成された外方突起を有して、収容体の内部に回転自在に配された回転体と、収容体の内周面、回転体の外周面及び内方突起の回転方向において互いに対面する側面で規定されていると共に回転体の外方突起で第一及び第二の二室に区画されている内部空間に収容された粘性流体と、第一及び第二の二室を相互に連通するように、回転体に設けられた第一及び第二の通路と、トラックのテールゲートの開放方向の回転に相当する回転体の収容体に対する一方の方向の回転では、当該一方の方向の回転による二室のうちの一方の室での粘性流体の内圧の一定以上の上昇で、この一方の室から二室のうちの他方の室への第一の通路を介する粘性流体の流動を許容する一方、トラックのテールゲートの閉鎖方向の回転に相当する回転体の収容体に対する他方の方向の回転における他方の室から一方の室への第一の通路を介する粘性流体の流動を禁止するように、第一の通路に配された第一の一方向弁と、回転体の収容体に対する一方の方向の回転における一方の室から他方の室への第二の通路を介する粘性流体の流動を禁止する一方、回転体の収容体に対する他方の方向の回転における他方の室から一方の室への第二の通路を介する粘性流体の流動を許容するように、第二の通路に配された第二の一方向弁とを具備しており、第一の一方向弁は、回転体に形成された弁座と、この弁座に着座すると共に回転体の内部に配された球体と、この球体を弁座に向かって弾性的に押圧するように一端では球体に接触する弾性部材とを有しており、第二の通路は、外方突起の突出縁に形成された少なくとも一つの切り欠きを有しており、第二の一方向弁は、外方突起の突出縁を跨いで当該外方突起の突出縁に回転方向に関して可動に設けられている弁体を具備しており、この弁体は、回転体の収容体に対する一方の方向の回転において切り欠きを塞いで一方の室から他方の室への第二の通路を介する粘性流体の流動を禁止するように、一方の室の粘性流体の内圧を受ける外方突起の一方の面に配された完全閉鎖片部と、回転体の収容体に対する他方の方向の回転において切り欠きを部分的に塞いで他方の室から一方の室への第二の通路を介する粘性流体の流動を許容するように、他方の室の粘性流体の内圧を受ける外方突起の他方の面に配された不完全閉鎖片部と、完全閉鎖片部及び不完全閉鎖片部を互いに連結するように、外方突起の突出縁に配されていると共に収容体の内周面及び外方突起の突出縁に回転方向に摺動自在に接触している連結部とを具備しているトラックのテールゲート用の回転減速装置。
- 収容体は、該内部空間を規定すると共に該内方突起が一体的に形成された該円筒状の内周面を有する円筒状本体と、この円筒状本体の軸方向の一方の端部に一体的に設けられた蓋部と、円筒状本体の軸方向の他方の端部に取付けられていると共に中央に貫通孔を有した蓋部材とを有している請求項1に記載のトラックのテールゲート用の回転減速装置。
- 回転体は、外方突起が一体的に形成された該外周面を有した回転体本体と、この回転体本体の内部に嵌装された円筒体とを具備しており、第一の通路は、回転体本体及び円筒体に形成されており、球体は、円筒体の中空部に配されており、弁座は、円筒体に形成されている請求項1又は2に記載のトラックのテールゲート用の回転減速装置。
- 内方突起は、収容体の内周面に一体的に形成された突起本体と、この突起本体の突出端部に被せられていると共に回転体の外周面に回転方向に摺動自在に接触するシール部材とを有している請求項1から3のいずれか一項に記載のトラックのテールゲート用の回転減速装置。
- 球体は、回転体の収容体に対する他方の方向の回転における他方の室からの粘性流体の内圧を受ける際に、弁座に着座して第一の通路を閉鎖する一方、回転体の収容体に対する一方の方向の回転による一方の室からの一定以上の上昇した粘性流体の内圧を受ける際に、弁座から離れて第一の通路を開放するように第一の通路に配されている請求項1から4のいずれか一項に記載のトラックのテールゲート用の回転減速装置。
- 完全閉鎖片部は、一方の室からの粘性流体の内圧を受ける際に、外方突起の一方の面に接触して切り欠きを塞ぐ一方、不完全閉鎖片部が他方の室の粘性流体の内圧を受ける際に、不完全閉鎖片部の外方突起の他方の面への移動に伴う連結部の移動で外方突起の一方の面から離反するようになっている請求項1から5のいずれか一項に記載のトラックのテールゲート用の回転減速装置。
- 収容体は、トラックの車体に固着されるようになっており、回転体は、テールゲートの回転軸に連結されるようになっている請求項1から6のいずれか一項に記載のトラックのテールゲート用の回転減速装置。
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CA2840757A CA2840757C (en) | 2011-07-28 | 2012-07-19 | Rotational speed reduction device for truck tailgate |
US14/232,410 US9321491B2 (en) | 2011-07-28 | 2012-07-19 | Rotational speed reduction device for truck tailgate |
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JP6480155B2 (ja) * | 2014-11-11 | 2019-03-06 | オイレス工業株式会社 | ロータリダンパ |
JP2017198270A (ja) * | 2016-04-27 | 2017-11-02 | 日本電産サンキョー株式会社 | 流体ダンパ装置、ダンパ付き機器および洋式トイレユニット |
JP2017198271A (ja) * | 2016-04-27 | 2017-11-02 | 日本電産サンキョー株式会社 | 流体ダンパ装置、ダンパ付き機器および洋式トイレユニット |
JP7042019B2 (ja) * | 2016-06-15 | 2022-03-25 | オイレス工業株式会社 | ダンパ |
JP7075749B2 (ja) * | 2017-12-08 | 2022-05-26 | オイレス工業株式会社 | ダンパ |
US11072958B2 (en) * | 2018-08-07 | 2021-07-27 | Kem Hongkong Limited | Damper hinge and western-style toilet using the same |
JP7365604B2 (ja) * | 2019-04-26 | 2023-10-20 | 株式会社ソミックマネージメントホールディングス | 体積変化補償装置およびダンパー装置 |
CN114684278B (zh) * | 2020-12-31 | 2023-05-12 | 北汽福田汽车股份有限公司 | 货箱及车辆 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07301272A (ja) * | 1994-04-28 | 1995-11-14 | Hitachi Powdered Metals Co Ltd | 流体圧ダンパ |
JP2004066896A (ja) * | 2002-08-02 | 2004-03-04 | Sanko Kiki Co Ltd | 貨物自動車のあおり板の開閉補助機構 |
JP2007063884A (ja) * | 2005-09-01 | 2007-03-15 | Toyota Auto Body Co Ltd | 車両用ドア開閉装置 |
JP2007327578A (ja) * | 2006-06-08 | 2007-12-20 | Tok Bearing Co Ltd | 回転ダンパの弁機構 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1991201A (en) * | 1930-07-07 | 1935-02-12 | Houde Eng Corp | Hydraulic shock absorber |
US1926800A (en) * | 1931-06-09 | 1933-09-12 | Houde Eng Corp | Shock absorber |
JP2581655B2 (ja) * | 1991-03-08 | 1997-02-12 | トックベアリング株式会社 | 高トルク用ダンパ |
JP4582512B2 (ja) * | 2000-07-19 | 2010-11-17 | トックベアリング株式会社 | 回転ダンパ |
US6854781B2 (en) | 2003-04-23 | 2005-02-15 | Arvinmeritor Technology Llc | Vehicle tailgate dampener and lift assist system |
JP5218885B2 (ja) | 2007-11-01 | 2013-06-26 | いすゞ自動車株式会社 | 車両の荷台構造 |
-
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07301272A (ja) * | 1994-04-28 | 1995-11-14 | Hitachi Powdered Metals Co Ltd | 流体圧ダンパ |
JP2004066896A (ja) * | 2002-08-02 | 2004-03-04 | Sanko Kiki Co Ltd | 貨物自動車のあおり板の開閉補助機構 |
JP2007063884A (ja) * | 2005-09-01 | 2007-03-15 | Toyota Auto Body Co Ltd | 車両用ドア開閉装置 |
JP2007327578A (ja) * | 2006-06-08 | 2007-12-20 | Tok Bearing Co Ltd | 回転ダンパの弁機構 |
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CA2840757A1 (en) | 2013-01-31 |
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US9321491B2 (en) | 2016-04-26 |
JP5760812B2 (ja) | 2015-08-12 |
CA2840757C (en) | 2015-06-02 |
CA2884654C (en) | 2018-03-06 |
CA2884654A1 (en) | 2013-01-31 |
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