JP4535014B2 - Vehicle door handle - Google Patents

Description

  The present invention relates to a vehicle door handle that opens and closes a vehicle door.

A door handle for a vehicle that protrudes outward from a vehicle door and is attached to an outer panel of the door and is operated to open and close the door, and an electronic component built in the door handle is placed outside the door handle. A door handle connected to a control device provided through a wire harness is conventionally known. For example, in the door handle described in the publicly known document 1, as shown in FIG. 1, a connector 30 is projected in the longitudinal direction of the vehicle at the tip of an arm 11 provided from the door panel 40 toward the inside of the door. Yes. A micro switch 53 for sending a door lock signal is provided in the door handle so as to be operable from the outside, and a terminal of the micro switch is connected to a connector terminal by a wire harness 18.
German Patent No. 19633894 (columns 3 to 5, FIG. 1).

  In the door handle for a vehicle described in the known document 1, a board on which a control circuit connected to an electronic component such as a micro switch built in the door handle is mounted is not provided in the door handle. For this reason, since the terminals of the electronic components must be connected to the terminals of the connector with a wire harness, and the electronic components must be connected to the board provided outside the door handle via the connector, the assembly work becomes complicated.

  The present invention has been made in view of the above points, and a connector is formed so that a board on which a control circuit connected to an electronic component built in a door handle is mounted can be connected between the electronic component and the connector. Is to provide an open door handle.

  In order to solve the above-described problem, the structural feature of the invention described in claim 1 is that the handle outer portion is formed on the outside of the outer panel of the vehicle door and is formed with a gap between the outer panel and the outer panel. A rotating portion that extends through the outer panel from one end of the outer side of the handle into the door and is rotatably supported by a support member fixed to the inner side of the outer panel; A door handle for a vehicle that extends through the outer panel from the end into the door and operates a door opening and closing mechanism, the door handle facing the outer panel and being electronic A first handle member made of resin in which an accommodating portion for accommodating a component is formed, and a second handle member that covers the accommodating portion and is united with the first handle member, the first handle member and the first handle member 2 c In the vehicle door handle in which the rotating portion and the operating portion are formed on any one of the dollar members, the first handle member protrudes in the vehicle width direction through the outer panel. And a board on which a control circuit connected to the electronic component is mounted in a state of being connected between the connector and the electronic component and the terminal, and being covered with the second handle member in a state of being accommodated in the board The accommodating part is formed between the rotating part and the grip part.

  According to a second aspect of the present invention, in the first aspect, the first or second handle member is provided with a support portion for supporting a wire harness having a connector coupled to the connector. It is.

  According to a third aspect of the present invention, in the first or second aspect of the invention, a pad interposed between the outer panel of the door and the door handle covers the connector and the connector coupled to the connector. So that it is extended.

  According to a fourth aspect of the present invention, in the third aspect, the pad covers the upper and lower sides of the connector and the connector coupled to the connector.

  In the invention according to claim 1 configured as described above, the first handle member made of resin in which the housing portion is formed includes an outer panel of a door of a vehicle door at the end of the door handle on the rotation center side. The board is further provided in the vehicle width direction toward the inner side of the door, and the board on which the control circuit connected to the electronic component is mounted is accommodated in the accommodating portion in a state of being connected between the electronic component and the connector. Thereby, it is not necessary to connect each terminal of an electronic component, a board | substrate, and a connector by a wire harness, and the assembly | attachment to the door handle itself and the door of a door handle becomes very easy.

  According to the invention according to claim 2 configured as described above, the wire harness having the connector coupled to the connector provided on the first handle member is supported by the support portion provided on the first or second handle member. Therefore, when the door handle is rotated, both the connectors are rotated together, and the two connectors are not separated by receiving an excessive force.

  According to the invention according to claim 3 configured as described above, the pad interposed between the outer panel of the door and the door handle covers the connector provided on the first handle member and the connector coupled to the connector. Therefore, it is possible to prevent water that has entered the door from entering the connector from the coupling portion.

  According to the invention according to claim 4 configured as described above, since the pad covers the connector and the upper and lower sides of the connector coupled to the connector, it is simple that water that has entered the door enters the connector from the coupling portion. It can be prevented by the configuration.

  FIG. 1 is a perspective view showing a door 3 of a vehicle 2 to which a vehicle door handle 1 according to a first embodiment of the present invention is attached. In the figure, a grip-type door handle 1 operated to open and close the door 3 is attached to the door 3 of the vehicle 2 so as to protrude from the metal outer panel 4 of the door 3 outward in the vehicle width direction. . The door handle 1 has a substantially curved hollow structure, and one end is rotatably supported by the outer panel 4. Has been inserted. Although the door 3 shown in FIG. 1 is a side door of the vehicle 2, the door handle 1 may be attached to the back door.

  FIG. 2 is a block diagram illustrating an example of the in-vehicle device 5 of the smart entry system which is a door handle device for a vehicle using the door handle 1. In the figure, the vehicle-mounted device 5 has a transmission antenna 6 built in the door handle 1. The transmission antenna 6 is connected to a transmission unit 7 attached to a frame near the door 3 of the vehicle 2, and the transmission unit 7 is connected to a door lock ECU 8.

  The door lock ECU 8 supplies a request code to the transmission unit 7, and a request signal of a frequency, for example, 134 kHz, in which the request code is modulated, is transmitted from the transmission antenna 6 to the portable device 9. Further, the vehicle 2 has a receiving antenna 10 built in, for example, an inner mirror in the passenger compartment, and a signal having a frequency of 300 MHz, for example, from the portable device 9 received by the receiving antenna 10 is demodulated by the receiving unit 11 to be doors. Input to the lock ECU 8. A memory 12 is connected to the door lock ECU 8, and a plurality of different codes such as a request code and a transponder ID code are stored in the memory 12. The memory 12 is a nonvolatile memory such as an EEPROM, and the stored contents are retained even when the power is turned off.

  The door lock ECU 8 is connected to a motor drive circuit 14 for driving a motor 13 provided in the door opening / closing mechanism. The door lock ECU 8 receives a lock signal or an unlock signal from the lock / unlock signal circuit 15 and then the motor. A motor forward / reverse rotation signal is output to the drive circuit 14 to cause the motor 13 to rotate forward or backward to bring the door opening / closing mechanism into a locked state or an unlocked state. The lock / unlock signal circuit 15 includes a lock signal circuit and an unlock signal circuit, to which an unlocking capacitance sensor 21 and a locking capacitance sensor 22 provided on the door handle 1 are connected.

  FIG. 3 is a block diagram illustrating an example of the portable device 9 of the smart entry system. The portable device 9 has a transmission antenna 16 and a reception antenna 17. These antennas 16 and 17 are connected to a transmission / reception circuit 18, and the transmission / reception circuit 18 is connected to a portable device ECU 19. A request signal of a frequency, for example, 134 kHz, received from the in-vehicle device 5 received by the receiving antenna 17 is demodulated by the transmission / reception circuit 18 and input to the portable device ECU 19. Further, the portable device ECU 19 supplies the transponder ID code read from the memory 20 to the transmission / reception circuit 18, and the transponder ID code is modulated by the transmission / reception circuit 18, and is transmitted from the transmission antenna 16 to the vehicle-mounted device 5 with a frequency, for example, 300 MHz signal. Sent to.

  A request signal with a frequency of 134 kHz is constantly transmitted from the transmission antenna 6 of the in-vehicle device 5 of the smart entry system. When the portable device 9 receives this request signal, it returns a signal with a frequency of 300 MHz that is obtained by modulating the transponder ID code. A signal having a frequency of 300 MHz received by the receiving antenna 10 of the in-vehicle device 5 is demodulated by the receiving unit 11 and input to the door lock ECU 8. The door lock ECU 8 receives the transponder ID code, compares it with the ID code stored in the memory, and turns on the lock / unlock signal circuit 15 when the two ID codes match. When a human hand approaches or comes into contact with the unlocking capacitance sensor 21 or the locking capacitance sensor 22 of the door handle 1 with the lock / unlock signal circuit 15 turned on, the lock / unlock signal The circuit 15 outputs an unlock signal or a lock signal, and the door lock ECU 8 puts the door opening / closing mechanism into a locked state or an unlocked state based on the unlock signal or the lock signal.

  4 is an enlarged cross-sectional view of the door handle 1 taken along line 4-4 of FIG. The door handle 1 has a handle outer portion 23 located on the outer side in the vehicle width direction of the outer panel 4 of the door 3 of the vehicle 2, and the handle outer portion 23 has a gap 24 between the outer panel 4 and a grip portion 25. Is formed. From one end of the handle outer side portion 23, a rotation portion 26 extends through the outer panel 4 and extends into the door 3, and is rotatably supported by a support member 27 fixed to the inside of the outer panel 4 by screws 49. (See FIG. 6). From the other end of the handle outer side portion 23, an operating portion 28 extends through the outer panel 4 into the door 3 and operates a lever 29 of the door opening / closing mechanism.

  The door handle 1 is configured by combining the second handle member 31 and the screw 32 so that the first handle member 30 made of resin closes the elongated concave portion of the second handle member 31 made of resin from the door panel 4 side, The first handle member 30 is formed with an accommodating portion 33 for accommodating an electronic component so as to face the outer panel 4. The rotating portion 26 and the operating portion 28 described above are formed on the second handle member 31 that covers the housing portion 33 and is united with the first handle member 30. The outer surface of the second handle member 31 is painted to improve the appearance.

  The unlocking electrode 34 and the transmitting antenna 6 of the unlocking capacitance sensor 21 are housed in the housing portion 33 as electronic components. The transmitting antenna 6 is formed, for example, by winding a coil around a resin case containing a ferrite plate or amorphous material. A holding portion 35 that holds the unlocking electrode 34 and the transmission antenna 6 is formed in the accommodating portion 33 of the first handle member 30. That is, the first handle member 30 is insert-molded by inserting the unlocking electrode 34 into the bottom wall 36 of the housing portion 33 facing the outer panel 4. The bottom wall portion in which the unlocking electrode 34 is insert-molded in the first handle member 30 is an example of a holding portion 35 that holds the unlocking electrode 34 in the housing portion 33. As shown in FIG. 6, in order to hold the transmitting antenna 6 in the housing portion 33, a locking portion is formed on the bottom wall 36 of the housing portion 33 on the bottom surface on the outer side in the vehicle width direction from the unlocking electrode 34. A plurality of pairs of columnar protrusions 37 are provided along both side surfaces of the transmission antenna 6. The columnar protrusion 37 holds the transmission antenna 6 in the housing portion 33 by holding the both side surfaces of the transmission antenna 6 by the column portion and by locking the upper surface of the transmission antenna 6 by the locking portion. These columnar protrusions 37 are an example of a holding portion 35 that holds the transmission antenna 6 in the housing portion 33. The holding portion 35 for holding the unlocking electrode 34 is replaced with the insertion portion for inserting and holding the unlocking electrode 34 in place of inserting the unlocking electrode 34 and insert molding the bottom wall 36. You may form in the bottom face of 33.

  In this manner, in the storage portion 33, the unlocking electrode 34 of the unlocking capacitance sensor 21 that detects the capacitance between the outer panel 4 and the outer antenna 4 is accommodated on the outer panel 4 side of the transmitting antenna 6. It is held on the bottom wall 36 by molding. The unlock signal circuit portion of the lock / unlock signal circuit 15 detects a change in capacitance between the unlock electrode 34 and the outer panel 4 and sends out a door unlock signal.

  As shown in FIGS. 4 and 5, the first handle member 30 has a substrate accommodating portion 38 formed between the rotating portion 26 and the gripping portion 25 of the door handle 1, and from the bottom wall of the substrate accommodating portion 38. A connector 39 penetrates the outer panel 4 and projects in the vehicle width direction, and extends between both side walls of the support member 27 in the door 3 (see FIG. 7). Locking electrodes 40 of a lock capacitance sensor 22 that detects a change in capacitance with the outer panel 4 are inserted into both side walls of the substrate housing portion 38 by insert molding, and the locks are inserted into both side walls. A part of the electrode 40 is connected on the bottom surface of the substrate housing portion 38 (see FIG. 8). The locking electrode 40 may be assembled in a subsequent process without being insert-molded.

  A terminal 41 of the unlocking electrode 34, a terminal 42 of the locking electrode 40, and a terminal 43 of the connector 39 project from the bottom wall of the board housing part 38 into the board housing part 38 toward the outside in the vehicle width direction. . In a state where the substrate 44 on which the lock / unlock signal circuit 15 connected to the unlock electrode 34 and the lock electrode 40 is attached is connected between the unlock electrode 34, the lock electrode 40 and the connector 39 between the terminals, As shown in FIG. 8, a plurality of engaging protrusions 46 having engaging portions formed at the tips are projected from the bottom surface of the substrate accommodating portion 38 so as to be held by the substrate accommodating portion 38. The engaging protrusion 46 holds the substrate 44 in the substrate accommodating portion 38 by engaging with the engaging hole of the substrate 44 at the engaging portion. These engagement protrusions 46 are an example of a substrate holding portion 47 that holds the substrate 44 in the substrate housing portion 38.

  The terminals of the substrate 44 held by the substrate holding part 47 and accommodated in the substrate accommodating part 38 are connected to the terminals 41 to 43 of the unlocking electrode 34, the locking electrode 40 and the connector 39 by inter-terminal connection and soldering. The After the substrate 44 is accommodated, the substrate accommodating portion 38 is covered by the second handle member 31 in a state where both side walls of the substrate accommodating portion 38 are in contact with the inside of the both side walls of the second handle member 31. Two handle members 30 and 31 are fastened together by screws 32 and united. A connector 52 of a wire harness 53 connected to the transmitter 7 is coupled to the connector 39.

  In FIG. 7, reference numeral 60 denotes a pad interposed between the outer panel 4 of the door 3 and the door handle 1, and an engaging protrusion protruding from the pad 60 is inserted into an engaging hole provided in the outer panel 4. It is being fixed to the outer panel 4 by. The pad 60 prevents the outer panel 4 from being damaged by the collision between the door handle 1 and the outer panel 4. The pad 60 is waterproof and extends inward in the vehicle width direction from the connecting portion of the connectors 39, 52 so as to cover the upper and lower sides of the connector 39 protruding from the first handle member 30 and the connector 52 connected to the connector 39. A wall 61 is formed. Thus, the pad 60 interposed between the outer panel 4 of the door 3 and the door handle 1 extends so as to cover the connector 39 provided on the first handle member 30 and the connector 52 coupled to the connector 39. Therefore, it is possible to prevent the water that has entered the inside of the door 3 from entering the connectors 39 and 52 from the coupling portion.

  In the first embodiment, the terminal 45 of the transmission antenna 6 is connected between the board 44 and the terminal, and is connected to the transmission unit 7 via a conductor formed on the board 44 and the connector 39. A circuit and transmitter 7, for example, a driver may be attached.

  When a human hand approaches or comes into contact with the lock capacitance sensor 22 portion of the door handle 1, the lock / unlock signal circuit 15 detects a change in capacitance between the lock electrode 40 and the outer panel 4. The lock signal is output, but a push button switch whose contact is opened and closed by the operation of the push button is provided in the door handle 1 so that the push button can be pushed from the outside, and when the contact of the push button switch is closed, A lock signal may be input to the door lock ECU 8. In this case, the push button switch is connected to the input / output circuit of the door lock ECU 8, and only the unlock signal circuit is mounted on the substrate 44. The lock capacitance sensor 22 and the lock signal circuit or push button switch are the lock signal sending means 48 for sending the door lock signal.

  In this way, at the end of the first handle member 30 made of resin in which the accommodating portion 33 is formed on the end of the door handle 1 on the rotation center side, the connector 39 faces the door from the outer panel 4 of the door 3 of the vehicle 2. The board 44, which is projected in the vehicle width direction and on which the control circuit 15 connected to the electronic components 6, 21, 22 is mounted, is connected between the connector 39 and the electronic components 6, 21, 22 between the terminals. Since it is accommodated in the accommodating part 33, it is not necessary to connect each terminal of the electronic components 6, 21, 22 and the connector 39 and the substrate 44 with a wire harness, and the door handle 1 itself and the door handle 1 are assembled to the door 3. Installation is extremely easy.

  In the vehicle door handle 1 according to the second embodiment shown in FIGS. 9 and 10, the wire harness 53 having the connector 52 coupled to the connector 39 provided on the first handle member 30 is provided with the second handle member 31. The support member 54 is fixed to the support member 54. That is, on the outer side of both side walls 55 of the second handle member 31 projecting inward in the vehicle width direction on the rotating end side of the door handle 1 of the elongated recess of the second handle member 31 closed by the first handle member 30. Are formed with engaging grooves for engaging the engaging claws projecting on the inner side of the both leg portions 56 of the support member 54 to fix the support member 54 to the second handle member 31. An annular support portion 57 that can be divided in part is formed between the leg portions 56 of the support member 54, and when the wire portion 58 of the wire harness 53 is fitted into the annular support portion 57, the divided portion of the support portion 57 is formed. Are connected to each other, and the wire harness 53 is supported by the support member 54 fixed to the second handle member 31. The support member 54 that supports the wire harness 53 may be fixed to the first handle member 30.

  As a result, the wire harness 53 having the connector 52 coupled to the connector 39 provided on the first handle member 30 is supported by the support portion 57 provided on the first or second handle member 30, 31. When the door handle 1 is rotated, both the connections 39 and 52 are rotated together, and the two connectors are not separated by receiving an excessive force.

  In the above embodiment, the first handle member 30 is insert-molded in the bottom wall of the board housing portion 38 with the terminal 43 of the connector 39 penetrating in the vehicle width direction, but the resin through which the terminal 43 of the connector 39 penetrates is formed. The terminal holding body made of a metal is molded separately, and the terminal holding body is fixed to the bottom wall of the substrate housing portion 38 so as to close the opening formed in the bottom wall of the substrate housing portion 38, thereby The terminal 43 of the connector 39 may be provided through the bottom wall of the portion 38 in the vehicle width direction.

  In order to do this, in the example shown in FIG. 11, the resin terminal holding body 62 that is insert-molded through the terminal 43 of the connector 39 is provided with a stepped opening formed in the bottom wall of the substrate housing portion 38. It is superposed | polymerized in a peripheral part so that the opening 63 may be closed to the step part of 63, and it adhere | attaches and fixes with the adhesive agent.

  In the example shown in FIG. 12, a connector portion 64, which is a thermoplastic resin terminal holder insert-molded through the terminal 43 of the connector 39, has a stepped opening 65 formed in the bottom wall of the substrate housing portion 38. The connector portion 64 has one end engaged with a lateral groove formed in the stepped side wall of the stepped opening 65, and a projection 66 protruding from the other end. The connector portion 64 is fixed to the bottom wall of the substrate housing portion 38 by being fitted into a hole 67 drilled in the bottom wall of the housing portion 38 and the tip portion of the projection 66 being heated and pressed to be deformed to a large diameter. Has been.

It is a perspective view of the door to which the door handle for vehicles concerning an embodiment of the invention was attached. It is a block diagram which shows an example of the vehicle equipment of the door handle apparatus for vehicles. It is a block diagram which shows an example of the portable device 9 of the door handle apparatus for vehicles. It is the expanded sectional view which looked at the door handle which concerns on 1st Embodiment from the 4-4 line direction of FIG. It is the top view which showed a part of door handle in cross section. FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. It is sectional drawing cut | disconnected along the 7-7 line | wire of FIG. It is sectional drawing cut | disconnected along 8-8 line of FIG. It is the fragmentary sectional view which cut and showed the rotation side end part of the door handle concerning a 2nd embodiment in the longitudinal direction. It is sectional drawing cut | disconnected along the 10-10 line | wire of FIG. The figure which shows an example in which the resin-made terminal holding body insert-molded by making the terminal of a connector penetrate is fixed to the bottom wall of a board | substrate accommodating part. The figure which shows the other example by which the resin-made connector part by which the terminal of the connector was penetrated is fixed to the bottom wall of a board | substrate accommodating part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Door handle, 2 ... Vehicle, 3 ... Door, 4 ... Outer panel, 5 ... Car-mounted machine, 6 ... Transmission antenna (electronic component), 7 ... Transmission part, 8 ... Door lock ECU, 9 ... Portable machine, 10 ... Reception Antenna 11, receiving section 12, memory 13, motor 14, motor driving circuit 15 lock / unlock signal circuit (control circuit) 16 transmitting antenna 17 receiving antenna 18 transmitting / receiving circuit 19 DESCRIPTION OF SYMBOLS ... Portable machine ECU, 20 ... Memory, 21 ... Unlocking capacitance sensor (electronic component), 22 ... Locking capacitance sensor (electronic component), 23 ... Handle outer side, 24 ... Gap, 25 ... Gripping part , 26 ... rotating part, 27 ... support member, 28 ... actuating part, 29 ... lever, 30 ... first handle member, 31 ... second handle member, 32 ... screw, 33 ... housing part, 34 ... unlocking electrode , 35 ... , 36 ... bottom wall, 37 ... columnar protrusion, 38 ... substrate housing part, 39 ... connector, 40 ... locking electrode, 41 to 43, 45 ... terminal, 44 ... substrate, 46 ... engagement protrusion, 47 ... substrate holding 48, lock signal sending means, 52 ... connector, 53 ... wire harness, 54 ... support member, 57 ... support, 60 ... pad, 61 ... waterproof wall, 62 ... terminal holder, 63, 65 ... opening, 64 ... Connector part, 66 ... protrusion, 67 ... hole.

Claims (4)

A handle outer portion which is positioned outside the outer panel of the vehicle door and has a gap between the outer panel and a grip portion is formed; and extends from the end of the handle outer portion through the outer panel into the door; A rotating portion that is rotatably supported by a support member fixed to the inner side of the outer panel, and an operation that extends through the outer panel into the door from the other end of the outer side of the handle and operates the door opening / closing mechanism A door handle for a vehicle provided with a first handle member made of resin, in which a housing portion for housing an electronic component is formed facing the outer panel, and the housing And a second handle member that is combined with the first handle member, and the rotating portion and the operating portion are formed on one of the first handle member and the second handle member. In the door handle of the dual-use,
The first handle member includes a connector on which a connector penetrating the outer panel and protruding in the vehicle width direction and a control circuit connected to the electronic component are mounted. The connector and the electronic component and the terminal are connected to each other. And a substrate housing portion that is covered by the second handle member in a state where the substrate is accommodated, and is formed between the rotating portion and the grip portion. Door handle.   2. The door handle for a vehicle according to claim 1, wherein a support portion for supporting a wire harness having a connector coupled to the connector is provided on the first or second handle member.   3. The vehicle according to claim 1, wherein a pad interposed between the outer panel of the door and the door handle extends so as to cover the connector and the connector coupled to the connector. Door handle.   4. The vehicle door handle according to claim 3, wherein the pad covers the connector and the upper and lower sides of the connector coupled to the connector.

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