WO2011135688A1 - ケースの固定構造 - Google Patents
ケースの固定構造 Download PDFInfo
- Publication number
- WO2011135688A1 WO2011135688A1 PCT/JP2010/057550 JP2010057550W WO2011135688A1 WO 2011135688 A1 WO2011135688 A1 WO 2011135688A1 JP 2010057550 W JP2010057550 W JP 2010057550W WO 2011135688 A1 WO2011135688 A1 WO 2011135688A1
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- WIPO (PCT)
- Prior art keywords
- case
- connecting member
- connection
- fixing structure
- connection member
- Prior art date
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- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 4
- 101100168914 Schizosaccharomyces pombe (strain 972 / ATCC 24843) pcu4 gene Proteins 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
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Classifications
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
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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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
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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
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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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
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/54—Flexible member is joint component
Definitions
- the present invention relates to a case fixing structure, and more particularly to a case fixing structure including a case and a seat plate on which the case is mounted.
- a housing fixing structure described in Japanese Patent Laid-Open No. 2008-248936 includes a bracket fixed to one of the housing and the vehicle body, and an arm extending from the other of the housing and the vehicle body toward the bracket.
- the bracket includes a first fixing bracket that is fixed to the arm, a second fixing bracket that is fixed to the housing or the vehicle body to which the bracket is attached, and an elastic body that is interposed between the first fixing bracket and the second fixing bracket.
- the mounting structure for a vehicle-mounted device described in Japanese Patent Laying-Open No. 2009-90818 includes a mounting table, an inverter mounted on the mounting table, a rearward extension from the mounting table, and an upward direction. And a guide member that inclines, and a connecting member that connects the guide member and the inverter.
- the connecting member is fitted in a recess formed in the guide member.
- the connecting member can be released from the connected state with the guide member by pressing the inverter from the front side to the rear side.
- no buffer member is disposed between the inverter and the connecting member, and the drive vibration of the inverter is transmitted to the connecting member and the vehicle body. Or vibrations on the vehicle body side may be transmitted to the inverter.
- the present invention has been made in view of the above-described problems, and the object thereof is to suppress vibration transmission between the outside and the case, and when a predetermined load or more is applied to the case. It is to provide a case fixing structure capable of releasing the case fixing.
- the case fixing structure includes a seat plate, a case located on the seat plate, a connecting member connected to the seat plate, a connecting member fixed to the connecting member, and connecting the connecting member and the case, A buffer member disposed between the connecting member and the case, and a contact portion provided in the case are provided.
- the contact portion can come into contact with at least one of the connecting member, the connecting member, and the seat plate, and the contact portion includes at least the connecting member, the connecting member, and the seat plate.
- the connection between the connection member and the seat plate can be released by contacting one.
- the buffer member is bonded to the case and the connection member and is elastically deformable, and when a predetermined load or more is applied to the case, at least one of the connecting member, the connection member, and the seat plate The buffer member is deformed so as to come into contact.
- the connecting member is fixed to the connecting member, and the connecting member includes a locking portion positioned at a distance from the connecting member.
- the contact portion is located between the connecting member and the locking portion and is spaced from the locking portion, and the contact portion and the locking portion come into contact with each other by applying a predetermined load or more to the case. It is possible.
- the connecting member includes a defining member that is located between the locking portion and the connection member and that defines a distance between the locking portion and the connection member.
- the connecting member is fixed to the connecting member, and the connecting member includes a locking portion positioned at a distance from the connecting member.
- the contact portion is located between the connection member and the locking portion and is disposed at a distance from the connection member. When a load greater than a predetermined value is applied to the case, the contact portion and the connection member can contact each other. Is done.
- the case is mounted on a vehicle, and the peripheral surface of the case includes a front surface and a back surface.
- the connecting member and the connecting member are provided on at least one of the front surface and the back surface.
- an inverter is accommodated in the case.
- case fixing structure capable of suppressing transmission of vibration between the case and the outside and suppressing an excessive load from being applied to the case. suggest.
- FIG. 1 is a schematic diagram showing a schematic configuration of a hybrid vehicle 1 according to an embodiment of the present invention. It is a circuit diagram of PCU. It is a top view which shows typically the fixing structure of the case which accommodates the inverters 12 and 13. FIG. It is a side view which shows typically the fixing structure of the case shown in FIG. It is sectional drawing which shows the structure located in the overhang
- FIG. 6 is a cross-sectional view showing a connecting member 24 when an impact force is applied to the case 21 from the outside. It is sectional drawing which shows the structure located in the connection member 30 and its periphery.
- FIG. 4 is a perspective view of a connection member 29.
- FIG. FIG. 4 is a cross-sectional view showing a connecting member 30 when a load of a predetermined value or more is applied to a case 21.
- FIG. 6 is a cross-sectional view illustrating a modified example of a connecting member 30.
- a vehicle mounting device fixing structure according to the present embodiment will be described with reference to FIGS.
- FIG. 1 is a schematic diagram showing a schematic configuration of a hybrid vehicle 1 according to an embodiment of the present invention.
- a hybrid vehicle 1 includes a vehicle body 1A, wheels 2 provided on the vehicle body 1A, an engine 3 mounted on the vehicle body 1A, a PCU (Power Control Unit) 4, and a power split mechanism. 5, a differential 6, and a battery B.
- PCU Power Control Unit
- the engine compartment 8 is formed in the vehicle body 1A, and the engine 3, the PCU 4, and the motor generators MG1, MG2 are arranged in the engine compartment 8.
- Engine 3 and motor generator MG1 are connected to power split mechanism 5.
- the power split mechanism 5 is connected to a differential 6, and the differential 6 is connected to a drive shaft 7.
- Motor generator MG1 and PCU4 are connected by cable 9B, and motor generator MG2 and PCU4 are connected by cable 9C.
- the PCU 4 and the battery B are connected by a cable 9A.
- the power split mechanism 5 transmits the power generated by the engine 3 to the differential 6 or to the motor generator MG1.
- Motor generator MG1 operates as a generator driven by engine 3.
- the motor generator MG1 is configured to operate as an electric motor that starts the engine 3 and has functions of an electric motor and a generator.
- the output of the motor generator MG2 is transmitted to the drive shaft 7 via the differential 6.
- motor generator MG2 The output of the motor generator MG2 is transmitted to the wheel 2 via the differential 6 and the drive shaft 7. That is, motor generator MG2 is mounted on hybrid vehicle 1 as a traveling motor. Furthermore, motor generator MG2 performs regenerative power generation by generating output torque in the direction opposite to the rotation direction of wheel 2, and functions as an electric motor and a generator.
- FIG. 2 is a circuit diagram of the PCU.
- PCU 4 includes a converter 11, an inverter 12, an inverter 13, a capacitor C1, and a capacitor C2.
- Converter 11 is connected between battery B and inverter 12 and inverter 13.
- Inverter 12 is connected to motor generator MG2, and inverter 13 is connected to motor generator MG1.
- Converter 11 includes power transistors Q1 and Q2, diodes D1 and D2, and a reactor L.
- Power transistors Q1 and Q2 are connected in series and receive a control signal from control device 14 as a base.
- Diodes D1 and D2 are connected between the collector and emitter of power transistors Q1 and Q2, respectively, so that current flows from the emitter side to the collector side of power transistors Q1 and Q2.
- Reactor L has one end connected to power supply line PL1 connected to the positive electrode of battery B, and the other end connected to the connection point of power transistors Q1 and Q2.
- This converter 11 boosts the DC voltage received from battery B using reactor L, and supplies the boosted boosted voltage to power supply line PL2.
- Converter 11 steps down DC voltage received from inverters 12 and 13 to charge battery B.
- Inverters 12 and 13 include U-phase arms 121U and 131U, V-phase arms 121V and 131V, and W-phase arms 121W and 131W, respectively.
- U-phase arm 121U, V-phase arm 121V, and W-phase arm 121W are connected in parallel between nodes N1 and N2.
- U-phase arm 131U, V-phase arm 131V, and W-phase arm 131W are connected in parallel between nodes N1 and N2.
- the U-phase arm 121U includes two power transistors Q3 and Q4 connected in series.
- U-phase arm 131U, V-phase arms 121V and 131V, and W-phase arms 121W and 131W each include two power transistors Q5 to Q14 connected in series.
- diodes D3 to D14 for passing a current from the emitter side to the collector side are connected between the collector and emitter of each of the power transistors Q3 to Q14.
- the intermediate points of the phase arms of the inverters 12 and 13 are connected to the phase ends of the phase coils of the motor generators MG1 and MG2, respectively.
- motor generators MG1 and MG2 one end of three coils of U, V, and W phases is commonly connected to the middle point.
- the capacitor C1 is connected between the power supply lines PL1 and PL3, and smoothes the voltage level of the power supply line PL1.
- Capacitor C2 is connected between power supply lines PL2 and PL3, and smoothes the voltage level of power supply line PL2.
- the inverters 12 and 13 convert the DC voltage from the capacitor C2 into AC voltage based on the drive signal from the control device 14, and drive the motor generators MG1 and MG2.
- Control device 14 calculates each phase coil voltage of motor generators MG1 and MG2 based on the motor torque command value, each phase current value of motor generators MG1 and MG2, and the input voltage of inverters 12 and 13, and the calculation result Based on this, a PWM (Pulse Width Modulation) signal for turning on / off the power transistors Q3 to Q14 is generated and output to the inverters 12 and 13.
- PWM Pulse Width Modulation
- control device 14 calculates the duty ratio of power transistors Q1 and Q2 for optimizing the input voltage of inverters 12 and 13 based on the motor torque command value and the motor speed described above, and based on the calculation result.
- a PWM signal for turning on / off the power transistors Q1, Q2 is generated and output to the converter 11.
- control device 14 controls the switching operation of power transistors Q1 to Q14 in converter 11 and inverters 12 and 13 in order to charge battery B by converting AC power generated by motor generators MG1 and MG2 into DC power. To do.
- the inverter 12 and the inverter 13 are accommodated in one case, for example. You may make it accommodate the converter 11, capacitor
- FIG. 3 is a plan view schematically showing a fixing structure of a case that accommodates the inverters 12 and 13, and
- FIG. 4 is a side view schematically showing the fixing structure of the case shown in FIG.
- the case fixing structure 20 includes a case 21 that houses electrical devices such as the inverter 12 and the inverter 13, a seat plate 22 on which the case 21 is mounted, and a connecting member connected to the seat plate 22. 23 and a connecting member 24 that is fixed to the connecting member 23 and connects the connecting member 23 and the case 21.
- the seat plate 22 includes a support plate 25a on which the case 21 is mounted, and an inclined plate 25b provided on the rear side of the support plate 25a.
- the support plate 25 a is fixed to the side member 26.
- the side member 26 is a part constituting the frame of the vehicle body 1A.
- the inclined plate 25b is inclined so as to be directed upward from the rear side of the support plate 25a toward the rear of the vehicle.
- the case fixing structure 20 includes a connecting member 29 connected to the inclined plate 25b, and a connecting member 30 that connects the connecting member 29 and the case 21 together.
- the case 21 is mounted on the upper surface of the support plate 25a.
- the bottom surface of the case 21 may be separated from the upper surface of the support plate 25a.
- the peripheral surface of the case 21 includes a front surface 28a located on the front side of the vehicle, a back surface 28b located on the opposite side of the front surface 28a, and a side surface 28c and a side surface 28d arranged in the vehicle width direction.
- an overhang portion 27 formed so as to protrude from the front surface 28a is formed, and a plurality of the overhang portions 27 are formed at intervals in the width direction of the vehicle.
- the connecting member 23 connects the projecting portion 27 and the support plate 25 a, and the connecting member 24 connects the projecting portion 27 and the connecting member 23.
- An overhang portion 31 is formed on the back surface 28b so as to protrude from the back surface 28b.
- the connecting member 30 connects the protruding portion 31 and the connecting member 29.
- FIG. 5 is a cross-sectional view showing the overhanging portion 27 and the structure located around it.
- the connecting member 23 includes a piece portion 34 disposed on the support plate 25 a, a piece portion 35 formed so as to rise from the end portion of the piece portion 34, and an end portion of the piece portion 35. And a piece 36 extending in the horizontal direction.
- a hole portion 37 is formed in the piece portion 36, and a notch portion 38 is formed in the piece portion 34.
- a hole 39 is formed in the support plate 25a.
- the fastening member 32 typically includes a bolt and a nut, and the bolt includes a shaft portion in which a screw portion is formed on the peripheral surface and a head portion formed in an end portion of the shaft portion.
- the shaft portion of the bolt is inserted into the notch portion 38 and the hole portion 39, and the head portion and the nut of the bolt sandwich and fix the support plate 25a and the piece portion 34.
- FIG. 6 is a perspective view of the connection member 23.
- the notch 38 is formed so as to extend from the front side of the piece 34 toward the rear of the vehicle. For this reason, when the connection member 23 is pressed toward the rear of the vehicle with a predetermined load or more, the connection member 23 is movable toward the rear of the vehicle, and the connection member 23 and the support plate 25a The connection state can be released.
- FIG. 7 is a cross-sectional view showing the connecting member 24.
- a hole 40 is formed in the overhanging portion 27, and the connecting member 24 is screwed into the bolt 41 and the bolt 41 inserted into the hole 40 and the hole 37.
- a nut 42, an inner cylinder part 43 disposed on the upper surface of the piece 36, a buffer member 44 disposed on the upper surface of the inner cylinder part 43, and a washer (locking part) 53 are included.
- An outer cylinder 45 is fixed to the inner peripheral surface of the hole 40.
- the bolt 41 includes a shaft portion 47 having a screw portion formed on the peripheral surface, and a head portion 46 formed on the upper end portion of the shaft portion 47.
- the bolt 41 is screwed with a nut 42 disposed on the lower surface of the piece 36.
- the inner cylinder part (regulating member) 43 is arranged on the upper surface of the piece part 36 and is arranged around the shaft part 47.
- the inner cylinder portion 43 includes a bottom plate portion 48 in which a hole portion is formed, and a cylinder portion 49 that defines a hole portion that communicates with the hole portion.
- the upper end portion of the cylindrical portion 49 is in contact with the head portion 46 via the washer 53. For this reason, the distance between the head portion 46 and the nut 42 is defined by the height of the inner cylinder portion 43.
- the nut 42 and the screw part formed on the shaft part 47 are screwed together, the nut 42 and the head part 46 sandwich the washer 53, the inner cylinder part 43 and the piece part 36, and the bolt 41, the washer 53,
- the inner cylinder portion 43 is integrally fixed to the piece portion 36.
- the buffer member 44 is bonded to the inner cylinder portion 43, and the connecting member 24 including the bolt 41, the nut 42, the inner cylinder portion 43, the buffer member 44 and the washer 53 is fixed to the piece portion 36.
- the buffer member 44 includes a bottom portion 50 located on the upper surface of the bottom plate portion 48 and a cylindrical portion 51 disposed on the peripheral surface of the cylindrical portion 49.
- the outer cylinder part 45 includes a cylinder part 55 attached to the inner peripheral surface of the hole part 40 and a bottom part 54 formed at the lower end part of the cylinder part 55.
- the outer diameter ED2 of the cylindrical portion 55 is smaller than the outer diameter ED1 of the washer 53.
- the buffer member 44 is formed between the inner cylinder portion 43 and the outer cylinder portion 45. Specifically, the bottom portion 50 of the buffer member 44 is located between the bottom plate portion 48 of the inner cylinder portion 43 and the bottom portion 54 of the outer cylinder portion 45 and bonds the bottom plate portion 48 and the bottom portion 54 together.
- the cylindrical portion 51 is located between the cylindrical portion 55 and the cylindrical portion 49 and bonds the cylindrical portion 55 and the cylindrical portion 49.
- the vibration is transmitted to the case 21 and the outer cylinder portion 45. Since the buffer member 44 is disposed between the outer cylinder part 45 and the inner cylinder part 43, the transmission of vibration from the outer cylinder part 45 to the inner cylinder part 43 is suppressed. Since vibration is suppressed from being transmitted to the inner cylinder portion 43, transmission of drive vibration to the vehicle body side via the connecting member 23 is suppressed.
- a protruding portion (contact portion) 56 that protrudes from the upper surface of the overhang portion 27 is formed at the upper end portion of the cylindrical portion 55.
- the buffer member 44 is made of an elastically deformable resin or the like. In a normal state where no external force is applied to the case 21, a gap is formed between the protrusion 56 and the washer 53. For this reason, it is suppressed that drive vibration passes through the washer 53 from the outer cylinder part 45 and reaches the connection member 23.
- FIG. 8 is a cross-sectional view showing the connecting member 24 when an impact force is applied to the case 21 from the outside.
- a moving direction R in FIG. 8 shows an example of the moving direction of the case 21 when a load of a predetermined level or more is applied to the case 21.
- the buffer member 44 When the load is applied to the case 21, the buffer member 44 is elastically deformed, and the case 21 is displaced upward from the state shown in FIG. Since the outer cylinder part 45 is fixed to the projecting part 27, it moves upward together with the case 21.
- the outer diameter ED1 of the washer 53 is formed so as to be larger than the outer diameter ED2 of the cylindrical portion 55, and when the load applied to the case 21 is larger than a predetermined load, the protruding portion 56 contacts the washer 53. .
- connection between the connection member 23 and the support plate 25 a is released, so that the case 21 can move and can receive the load applied to the case 21. Thereby, it can suppress that an excessive load is applied to the case 21. Thereby, it can suppress that electric equipments, such as an inverter accommodated in case 21, are damaged.
- FIG. 9 is a cross-sectional view showing the connecting member 30 and the structure located around it. As shown in FIG. 9, the connecting member 30 connects the connecting member 29 and the overhang portion 31. The connecting member 29 is fixed to the inclined plate 25b so as to be detached.
- FIG. 10 is a perspective view of the connection member 29.
- the connecting member 29 includes a piece 70 disposed on the upper surface of the inclined plate 25 b, a piece 71 connected to the piece 70 and extending upward, and a piece 71 And a piece 72 connected to the upper end and extending in the horizontal direction.
- a cutout 73 is formed in the piece 70, and a hole 74 is formed in the piece 72.
- the notch 73 extends rearward from the front side of the piece 70.
- the fastening member 33 is typically composed of a bolt and a nut. And the axial part of a volt
- the connecting member 30 includes a bolt 80, a nut 81 disposed on the lower surface of the piece 72, and screwed with the bolt 80, an inner cylinder portion 82 disposed on the upper surface of the piece 72, And a buffer member 83 disposed on the upper surface of the cylindrical portion 82.
- the inner cylinder part 82 is disposed on the upper surface of the piece part 72 and includes a bottom part 86 in which a hole part is formed and a cylinder part 87 that defines a hole part communicating with the hole part.
- the buffer member 83 also includes a bottom portion 88 and a cylindrical tube portion 89.
- a hole portion 84 is formed in the overhang portion 31, and an outer cylinder portion 85 is fixed to the hole portion 84.
- the outer cylinder part 85 includes a bottom part 90 in which a hole part is formed, a cylinder part 91 defining a hole part communicating with the hole part, and a contact part 92 formed on the outer peripheral edge part of the bottom part 90.
- a protruding portion 93 protruding from the upper surface of the overhanging portion 31 is formed at the upper end portion of the portion 91.
- the contact portion 92 is formed to hang downward from the outer peripheral edge portion of the bottom portion 90.
- a buffer member 83 that can be elastically deformed is disposed between the outer cylinder part 85 and the inner cylinder part 82. Thereby, it is possible to suppress the drive vibration of the inverter or the like from being transmitted from the outer cylinder portion 85 to the inner cylinder portion 82 and the connection member 29.
- FIG. 9 shows a normal state where no external force is applied to the case 21.
- the contact portion 92 is separated from the upper surface of the piece portion 72. For this reason, it is suppressed that the drive vibration etc. of an inverter are transmitted to the connection member 29 from the outer cylinder part 85.
- FIG. 11 is a cross-sectional view showing the connecting member 30 when a predetermined load or more is applied to the case 21. As shown in FIG. 11, the case 21 tends to be displaced in the movement direction R.
- the case 21 becomes movable. As a result, the case 21 can be moved to receive the load applied to the case 21.
- the case 21 is displaced by the load applied to the case 21.
- the case 21 rides on the inclined plate 25b and is guided by the inclined plate 25b.
- the inclined plate 25b guides the case 21 upward and suppresses the case 21 from colliding with a vehicle-mounted device or the like disposed around the case 21.
- a protruding portion 93 is formed at the upper end portion of the cylindrical portion 91. For this reason, when a load is applied to the case 21 and the case 21 moves in the direction opposite to the moving direction R, the protruding portion 93 comes into contact with the washer 94. Then, it is transmitted to the bolt 80 and the connecting member 29 added to the case 21. Thereby, the connection state of the connection member 29 and the inclination board 25b is cancelled
- the contact part 92 shown in FIG. 9 may be formed also in the bottom part 54 shown in FIG.
- FIG. 12 is a cross-sectional view showing a modified example of the connecting member 30.
- the contact portion 92 extends through the hole portion 95 formed in the piece portion 72 so as to reach the vicinity of the upper surface of the inclined plate 25b.
- a gap is formed between the tip end portion of 92 and the upper surface of the inclined plate 25b.
- the outer cylinder portion 45 fixed to the overhanging portion 27 contacts at least one of the washer 53 and the connecting member 23 of the connecting member 24, or the overhanging portion 31.
- the outer cylinder part 85 fixed to is provided so as to come into contact with any one of the washer 94, the connecting member 29, and the inclined plate 25b of the connecting member 30.
- the projecting portion and the contact portion of the outer cylinder portion provided in the case 21 are in contact with the connecting member and the like, but are in contact with the connecting member and the like. May be formed in other parts. Specifically, a protruding portion or a contact portion may be formed directly on the case 21.
- the present invention can be applied to a case fixing structure, and is particularly suitable for a case fixing structure including a case and a seat plate on which the case is mounted.
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- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
Description
また、車両の走行時の振動(たとえば、5G程度)によって、ケース21およびケース21内に収容されたインバータ12,13の慣性力によって、1つの緩衝部材44に作用する荷重を「F2」とすると、「F2」と「D」と「K」とは下記式(2)を満たす。
図4において、接続部材23と支持板25aとの接続が解除されることで、ケース21は移動可能な状態となり、ケース21に加えられた荷重を受け流すことができる。これにより、ケース21に過大な荷重が加えられることを抑制することができる。これにより、ケース21内に収容されたインバータ等の電気機器が損傷することを抑制することができる。
Claims (7)
- 座板(22)と、
前記座板上に位置するケース(21)と、
前記座板に接続された接続部材(23,29)と、
前記接続部材に固定され、前記接続部材および前記ケースを連結する連結部材(24,30)と、
前記連結部材と前記ケースとの間に配置された緩衝部材(44,83)と、
前記ケースに設けられた接触部(56,92,93)と、
を備え、
前記ケースに所定以上の荷重が加えられることで前記接触部は、前記連結部材と前記接続部材と前記座板との少なくとも1つと接触可能とされ、
前記接触部が、前記連結部材と前記接続部材と前記座板との少なくも1つと接触することで、前記接続部材および前記座板の接続が解除可能とされた、ケースの固定構造。 - 前記緩衝部材は、前記ケースと前記接続部材とに接着すると共に、弾性変形可能とされ、
前記ケースに所定以上の荷重が加えられたときに、前記連結部材と前記接続部材と前記座板との少なくとも1つと接触するように、前記緩衝部材が変形する、請求の範囲第1項に記載のケースの固定構造。 - 前記連結部材は前記接続部材に固定され、
前記連結部材は前記接続部材から間隔をあけて位置する係止部(53,94)を含み、
前記接触部は、前記接続部材と前記係止部との間に位置すると共に前記係止部から間隔をあけて配置され、前記ケースに所定以上の荷重が加えられることで、前記接触部と前記係止部とが接触可能とされた、請求の範囲第1項に記載のケースの固定構造。 - 前記連結部材は、前記係止部と前記接続部材との間に位置し、前記係止部と前記接続部材との間隔を規定する規定部材(43)を含む、請求の範囲第3項に記載のケースの固定構造。
- 前記連結部材は前記接続部材に固定され、
前記連結部材は前記接続部材から間隔をあけて位置する係止部を含み、
前記接触部は、前記接続部材と前記係止部との間に位置すると共に前記接続部材から間隔をあけて配置され、前記ケースに所定以上の荷重が加えられることで、前記接触部と前記接続部材とが接触可能とされた、請求の範囲第1項に記載のケースの固定構造。 - 前記ケースは、車両に搭載され、
前記ケースの周面は、前面(28a)および背面(28b)を含み、
前記連結部材と前記接続部材とは、前記前面および前記背面の少なくとも一方に設けられた、請求の範囲第1項に記載のケースの固定構造。 - 前記ケース内にインバータ(12,13)が収容された、請求の範囲第1項に記載のケースの固定構造。
Priority Applications (4)
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JP2012512586A JP5527406B2 (ja) | 2010-04-28 | 2010-04-28 | ケースの固定構造 |
CN2010800677110A CN102947614A (zh) | 2010-04-28 | 2010-04-28 | 箱体固定结构 |
PCT/JP2010/057550 WO2011135688A1 (ja) | 2010-04-28 | 2010-04-28 | ケースの固定構造 |
US13/643,401 US20130045044A1 (en) | 2010-04-28 | 2010-04-28 | Case-fixing structure |
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PCT/JP2010/057550 WO2011135688A1 (ja) | 2010-04-28 | 2010-04-28 | ケースの固定構造 |
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US (1) | US20130045044A1 (ja) |
JP (1) | JP5527406B2 (ja) |
CN (1) | CN102947614A (ja) |
WO (1) | WO2011135688A1 (ja) |
Cited By (5)
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JPWO2016194261A1 (ja) * | 2015-05-29 | 2017-08-31 | 三菱電機株式会社 | 熱交換型換気装置 |
JP2018070041A (ja) * | 2016-11-01 | 2018-05-10 | トヨタ自動車株式会社 | 電気機器の車載構造 |
JP2019116210A (ja) * | 2017-12-27 | 2019-07-18 | 株式会社デンソーテン | 駆動装置の取付構造 |
WO2021157200A1 (ja) * | 2020-02-07 | 2021-08-12 | 株式会社デンソー | 電力変換装置 |
CN114745887A (zh) * | 2022-04-08 | 2022-07-12 | 沃飞长空科技(成都)有限公司 | 具有二级减振的飞控装置及飞行器 |
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BE1024071B1 (nl) * | 2015-11-03 | 2017-11-10 | Cdm Nv | Elastische steun met optilbeveiliging en werkwijze voor het ontkoppelen van kernen en muren van gebouwen |
US10525899B2 (en) * | 2018-06-08 | 2020-01-07 | Ford Global Technologies, Llc | Display screen assembly |
US11827359B2 (en) * | 2022-04-01 | 2023-11-28 | B/E Aerospace, Inc. | Devices for HIC reduction |
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Also Published As
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JP5527406B2 (ja) | 2014-06-18 |
JPWO2011135688A1 (ja) | 2013-07-18 |
CN102947614A (zh) | 2013-02-27 |
US20130045044A1 (en) | 2013-02-21 |
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