JP2009052294A - Portable machine of electronic key system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable machine of an electronic key system excellent in withdrawal operation of an emergency key. <P>SOLUTION: The portable machine 1 of the electronic key system is provided with a rotation engagement member 30 which retains the emergency key 2 stored in a portable machine body so that it can be retained detachably. The rotation engagement member 30 has a rotating body 31 and a projection part 34. The rotating body 31 is supported with possible rotation while being energized on the surface side of the portable machine body by a coil spring 60. The projection 34, which can rotate with the rotating body 31, is provided so that it can be projected in the rotating direction in a position separate from the rotary axis of the rotating body 31. The emergency key 2 has an insertion hole 3 which is engaged with the projection 34 in a state where it is stored in the portable machine body. A push surface 51 of a key-fixation release button 50 is positioned on the surface of the portable machine body. The key-fixation release button 50 is constituted so that it can rotate the rotation engagement member 30 while moving it away from the surface of the portable machine body against the elastic force of the coil spring 60, and that it can withdraw the projection 34 from a through hole 3 by being pushed in the axial center of the rotating body 31. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a portable device carried by a user for locking and unlocking a vehicle in an electronic key system.

  Conventionally, an identification code is collated by wireless communication between a portable device carried by a user and an electronic device mounted on the vehicle, and the vehicle is locked and unlocked based on the collation result (hereinafter referred to as unlocking and unlocking). There is an electronic key system that permits engine start and the like.

  The portable device of this electronic key system has the above-mentioned wireless communication function and an emergency key that can mechanically lock and unlock the vehicle in an emergency such as occurrence of a failure of the electronic key system or a battery exhaustion. The emergency key is detachably attached to the portable device by a connecting mechanism (see, for example, Patent Document 1).

This connecting mechanism is configured by fitting a fitting piece provided in the emergency key and a hook fitting hole provided in the portable device case. When the emergency key is detached from the portable device case in the portable device described in Patent Document 1, the detachable knob provided on the emergency key is resisted against the elastic force of the compression coil spring in order to release the connection mechanism. Perform the slide movement operation. By this sliding operation, the fitting piece moves together with the attaching / detaching knob, the fitting with the hook fitting hole is released, and the emergency key can be pulled out from the portable device case.
JP 2006-45857 A

  As described above, in order to take out the emergency key from the portable device, the user needs to perform an operation of sliding the detachable knob. Since this operation involves sliding the fingertip against the detachable knob, it was necessary to apply force to the fingertip, which caused problems with operability because it could not be slid smoothly or the fingertip became painful. . For example, there is a problem that nails are easily damaged for people with long nails.

  The present invention has been made in view of the above problems, and an object thereof is to provide a portable device of an electronic key system which is excellent in emergency key detachment operation.

The present invention employs the following technical means to achieve the above object. According to a first aspect of the present invention, there is provided an electronic key system portable device including an emergency key that electrically locks and unlocks a specific lock by collating an identification code by wireless communication and mechanically locks and unlocks the lock. Which is an invention
A rotation locking member that detachably holds an emergency key stored in the portable device body,
The pivot locking member is pivotally supported by the elastic member while being urged to the surface side of the portable device body, and pivotable together with the pivotable body and separated from the pivot axis of the pivotable body. A locking portion provided so as to protrude in the rotation direction at a position,
The emergency key has a locked portion that engages with the locking portion in a state of being stored in the portable device body,
A key lock release button that is operated when removing the emergency key from the mobile device body is provided. The key lock release button is pressed in the same direction as the axis of the rotary shaft of the rotary body, thereby reducing the elastic force of the elastic member. The rotation locking member is rotated while being kept away from the surface of the portable device body, and the locking portion is separated from the locked portion.

  According to the present invention, the user can take out the emergency key necessary in an emergency from the portable device main body without imposing a burden on the fingertip by pressing a key fixing release button arranged on the surface of the portable device main body. In addition, since the pressing direction of the key fixing release button and the rotating direction of the rotation locking member are substantially perpendicular to each other, the pressing surface of the key fixing release button can be designed with a large area on the surface of the portable device body. it can. Therefore, it is possible to provide a portable device with an electronic key system that is excellent in emergency key release operation.

  The portable device body preferably has a flat outer shape, and the key lock release button is preferably provided on a narrow side surface of the surface of the portable device body.

  According to this invention, the rotation direction of the rotation locking member is arranged so as to match the height direction of the narrow surface of the portable device body, and in the wide space inside the portable device body. The space excluding the emergency key and the lateral width of the rotation locking member itself can be used effectively.

  Further, a circuit board constituting a communication means for wireless communication is provided inside the portable device main body, and the circuit board extends along at least one of the emergency key and the rotation locking member and the narrow side surface. It is preferable that they are arranged so as to be stacked in the direction.

  According to the present invention, since the circuit board can be arranged as large as possible in the wide space inside the portable device body, the operation buttons for locking and unlocking the vehicle door can be made as large as possible, and the operability is excellent. Operation buttons can be provided.

(First embodiment)
The portable device 1 of the electronic key system in the first embodiment will be described with reference to FIGS. In the electronic key system, an identification code (ID) is collated by wireless communication between a small portable device carried by a user and an in-vehicle electronic device mounted on the vehicle, and the lock of the vehicle is locked based on the collation result. In addition, unlocking (locking / unlocking), engine start permission, and the like are performed electrically.

  FIG. 1 is a perspective view showing the appearance of the portable device 1 in the present embodiment. As shown in FIG. 1, the portable device body has a flat, substantially rectangular parallelepiped shape formed by combining an upper case 10 and a lower case 70 made of resin. Inside the portable device body, there are provided a wireless communication unit which is a wireless communication means for collating the identification code with the in-vehicle electronic device, and a battery for supplying power to the wireless communication unit.

  The wireless communication unit is provided on the circuit board, and performs electromagnetic induction type wireless communication between the antenna for performing wireless communication with the communication circuit of the in-vehicle electronic device and the transponder transmission / reception circuit of the in-vehicle electronic device. A transponder unit or the like is provided. Thereby, when wireless communication in the wireless communication unit becomes impossible due to insufficient power of the battery of the portable device 1, the electromagnetic induction type can be obtained by bringing the portable device 1 and the transponder transmission / reception circuit of the in-vehicle electronic device close to each other. The identification code can be verified by wireless communication.

  The portable device main body accommodates an emergency key 2 that can mechanically lock and unlock the vehicle and a rotation locking member 30 that detachably holds the emergency key 2. The emergency key 2 is used to lock and unlock the vehicle door when wireless communication with the wireless communication unit becomes impossible due to insufficient battery power.

  On the wide surface of the portable device main body (upper surface of the portable device 1 in FIG. 1), a trunk button 11 that accepts an input of a trunk lock locking / unlocking instruction, a forced output of alarm by a receiver (on-vehicle electronic device) (panic alarm) A panic button 12 that receives an execution request for the vehicle, an unlock button 13 that receives an input of an instruction to unlock the vehicle door, a lock button 14 that receives an input of an instruction to lock the vehicle door, and the like are exposed. .

  A user (for example, a driver) locks and unlocks the vehicle door by pressing down the unlock button 13, the lock button 14, and the like. That is, the portable device 1 functions as a remote operation terminal (remote key) of a wireless door lock device of a vehicle on which an in-vehicle electronic device is mounted.

  On the wide surface 10b of the upper case 10 (the upper surface of the portable device 1 in FIG. 1), an opening 52 for allowing each of the trunk button 11, the panic button 12, the unlock button 13, and the lock button 14 to face the outside, 53, 54 and 55 are formed. An opening 15 is provided on a narrow side surface (a side surface along the thickness direction in the portable device 1 in FIG. 1) where the upper case 10 and the lower case 70 form a mating portion, and the push surface 51 is seen from the opening 15. A key lock release button 50 is provided.

  The key fixing release button 50 is an operation unit for releasing the emergency key 2 housed in the portable device 1. The emergency key 2 is a mechanical key capable of mechanically locking and unlocking the vehicle when the battery of the portable device 1 runs out of power.

  The emergency key 2 is housed such that a key portion 5 to be inserted into a keyhole of a lock such as a vehicle door is disposed at a predetermined position inside the portable device main body, and the grip portion 4 protrudes from the side surface of the portable device main body. The key part 5 is a long and thin plate made of metal, and a keyway extending in the longitudinal direction is formed on the surface thereof. A locked portion for locking and fixing the emergency key 2 housed in the portable device main body is provided on the flat surface on the front end side of the key portion 5. The grip portion 4 is located at one end of the key portion 5 and includes a resin grip that is formed wider than the key portion 5 (not shown). The emergency key 2 can be slidably inserted into and pulled out from the interior of the portable device main body.

  FIG. 2 is an exploded perspective view showing the configuration of the key fixing release button 50 for releasing the emergency key 2 and the rotation locking member 30 for detachably holding the emergency key 2. FIG. 3 is a perspective view showing the inside of the portable device body when the emergency key 2 is unlocked.

  As shown in FIGS. 2 and 3, the key lock release button 50 has a flat, substantially rectangular parallelepiped shape, and is an engagement claw that extends from the rectangular push surface 51 on one side toward the other side by a predetermined length. 56 and an engagement pin 57 are provided. At least two engagement pins 57 are provided, and are arranged substantially symmetrically with respect to the center line of the push surface 51.

  The engaging claw 56 has a protruding portion that protrudes outward along the push surface 51 at the tip, and the protruding portion is related to the engaging wall 20 provided in the upper case 10, thereby releasing the key lock. The pressing surface 51 of the button 50 is arranged so that the surface is aligned with the surface of the portable device main body (the narrow side surface 10a).

  The rotation locking member 30 includes a rotation body 31 that is rotatably supported by a coil spring 60 while being biased by the key fixing release button 50 on the surface side of the portable device body, and a radially outer side from the surface of the rotation body 31. An arm portion 33 extending in the direction of the arm, and a protrusion portion 34 that is rotatable with the rotating body and is provided away from the rotating shaft of the rotating body 31 so as to protrude in the rotating direction at the distal end side of the arm portion 33. And have.

  The protrusion 34 functions as a locking portion for locking and fixing the emergency key 2 housed in the portable device main body at a predetermined position, and is provided so as to engage with a locked portion of the emergency key 2. It has been. This engagement constitutes a lock mechanism for the emergency key 2 in the portable device body.

  The locked portion of the emergency key 2 is configured by a through hole 3 that penetrates the front end side plane of the key portion 5 and allows the protrusion 34 to be inserted (see FIG. 3). It is also possible to form a bottomed recess that engages with a margin.

  The rotating body 31 is a cylindrical body, and a groove portion 32 extending in the axial direction of the cylindrical body is provided on the outer peripheral portion thereof. At least two groove portions 32 are provided on the outer peripheral portion, and these are arranged symmetrically with respect to the axis of the cylindrical body so as to correspond to the position of the engagement pin 57 of the key lock release button 50. The groove 32 is formed with a predetermined length in the axial direction from the end face of the rotating body 31 located at least on the surface side of the portable device body (on the key lock release button 50 side).

  The rotating body 31 is formed with a through hole 35 penetrating the axis. A groove portion 36 that is recessed toward the outer peripheral portion of the rotating body 31 is formed in the inner peripheral portion of the through hole 35. The groove 36 is provided at least on the surface side of the portable device main body (on the key fixing release button 50 side) of the rotating body 31.

  Further, the rotary body 31 is formed with a wedge-shaped recess recessed in a wedge shape from an end surface 39 located on the opposite side of the key fixing release button 50, and the wedge-shaped recess is inclined with respect to the axis of the rotary shaft. And an inclined surface 38, a plane parallel to the axis of the rotation axis, and a bottom surface 37 perpendicular to the axis of the rotation axis.

  The upper case 10 is inserted into the through hole 35 of the rotating body 31 to form the pin 19 that forms the axis of the rotating body 31, the substantially circular disk 21 that forms the base of the pin 19, and the rotating body 31 from the disk 21. And a wedge-shaped protrusion that protrudes in a shape that matches the recess. The wedge-shaped protrusion is formed on the bottom surface 37 when the user pushes the key lock release button 50 in the axial direction of the rotation shaft to rotate the rotation locking member 30 and the emergency key 2 is unlocked. The top surface 16 and the inclined surface 17 respectively matching the inclined surface 38 and a plane parallel to the axis of the rotation shaft are formed. The disk 21 has a recess 18 formed therein. In addition, it is preferable that at least two wedge-shaped recesses and wedge-shaped protrusions are arranged so as to be symmetric with respect to the axis of the rotating body 31.

  The coil spring 60 has a shape extending in the axial direction at both axial ends, and fixed portions 61 and 62 that are fitted and fixed in the groove portion 36 and the concave portion 18, respectively, and the fixed portion 61 and the fixed portion 62. It is formed by processing a metal wire into a shape that extends in the axial direction of the rotating body 31 so as to include a helical coil portion 63 that connects the two fixed portions therebetween.

  The circuit board provided with the wireless communication unit is arranged in the electronic component arrangement unit 80 configured inside the portable device body. The electronic component placement portion 80 occupies most of the upper case 10, and is in a direction along the narrow side surface 10 a and at least one of the emergency key 2 and the rotation locking member 30 (the thickness direction of the portable device main body). ). In other words, at least one of the emergency key 2 and the rotation locking member 30 and the circuit board have a two-stage laminated structure in the case of the portable device body.

  A key lock release button 50 is provided on the narrow side surface 10a of the portable device main body case, the pressing direction is parallel to the wide surface 10b of the portable device main body case, and the rotation direction of the protrusion 34 is the wide surface 10b. The two-stage stacked structure is possible by configuring so as to be in a substantially orthogonal direction, that is, a direction along the narrow side surface 10a. In other words, the pushing direction in the main body of the portable device requires a larger space than the turning direction of the protrusion 34 in order to accommodate the components such as the key fixing release button 50, the turning body 31, and the disk 21, so that the width is wide. It is set to be parallel to the surface 10b.

  With this configuration, the length in the thickness direction of the portable device main body case can be reduced. In addition, since the circuit board can be arranged as large as possible in the wide space inside the portable device body, a large operation button with excellent operability can be arranged on the wide surface 10b of the portable device body.

  Further, in addition to the two-layer structure, the emergency key 2 is arranged so that the wide surface of the key portion 5 is parallel to the wide surface 10b of the portable device body case. This configuration contributes to further reducing the thickness direction length of the portable device body case.

  FIG. 4 is a front view showing the connection relationship of the key fixing release button 50, the rotation locking member 30, and the pin 19. As shown in FIG. As shown in FIG. 4, the key fixing release button 50 is connected to the rotating body 31 by fitting each of the two engaging pins 57 into the groove portion 32 of the rotating body 31. Further, the spiral coil portion 63 in which the pin 19 is inserted is inserted and installed in the through hole 35 of the rotating body 31, the fixed portion 61 is fitted in the groove portion 36, and the fixed portion 62 is a concave portion of the upper case 10. 18 is arranged. The coil spring 60 installed in this way is maintained in a state where a predetermined compressive force and a torsional load are applied from a natural length state.

  In such a state of the coil spring 60, the key lock release button 50 is not pressed from the outside, the protrusion 34 and the through hole 3 are engaged, and the emergency key 2 is securely fixed inside the portable device body. Yes. On the other hand, when the user presses the pressing surface 51 of the key fixing release button 50, the coil spring 60 contracts the coil portion 63 and becomes shorter than the above state. As the rotary body 31 rotates by a predetermined amount, the engagement between the projection 34 and the through hole 3 is released, and the emergency key 2 is detached from the projection 34.

  Next, a procedure for taking out the emergency key 2 stored in this way will be described with reference to FIGS. FIG. 5 is an enlarged view showing the inside of the portable device body in a state where the emergency key 2 is fixed to the rotation locking member 30 by engagement. FIG. 6 is an enlarged view showing the inside of the portable device main body in a state in which the engagement between the emergency key 2 and the rotation locking member 30 is released. 5 and 6 show a state in which the lower case 70 and the circuit board are removed for convenience.

  As shown in FIG. 5, in this state, the pressing surface 51 of the key lock release button 50 is in a position where the surface of the surrounding portable device body is flush with the surface of the surrounding portable device body. It is in a position related to the engagement wall 20. The inclined surface 17 of the wedge-shaped protrusion of the upper case 10 is in surface contact with the inclined surface 38 of the rotating body 31, and a predetermined gap is formed between the end surface 39 of the rotating body 31 and the surface of the disk 21. Has been.

  First, the pressing surface 51 of the key fixing release button 50 is pressed inward (in the axial direction of the rotating body 31) with the belly of the finger from the outside. Then, the inclined surface 38 of the rotating body 31 starts to move toward the disk 21 while rubbing against the inclined surface 17. In this movement, the rotating body 31 moves the protruding portion 34 closer to the wide surface 10b (the depth direction in FIG. 5) of the upper case 10 while resisting the elastic force of returning to the original length of the coil spring 60. spin.

  When the key fixing release button 50 is further pushed back, the key fixing release button 50 moves the rotating body 31 to the back while rotating the rotating body 31 against the elastic force of the coil spring 60. As the rotating body 31 is rotated, the projecting portion 34 together with the arm portion 33 is lifted to the wide surface 10b side (the depth side in FIG. 6) of the upper case 10, the engagement with the through hole 3 is released, and the projection The part 34 is detached from the through hole 3.

  As shown in FIG. 6, in this state, the inclined surface 38 of the rotating body 31 moves while rubbing against the inclined surface 17 of the wedge-shaped protruding portion of the upper case 10, and then comes into surface contact as a whole, and the bottom surface of the rotating body 31. 37 is also in surface contact with the entire top surface 16 of the wedge-shaped protrusion, and the end surface 39 of the rotating body 31 is also in surface contact with the entire surface of the disk 21. That is, the wedge-shaped protrusion of the upper case 10 and the wedge-shaped recess of the rotating body 31 are in a relationship of fitting with each other. Further, the pressing surface 51 of the key fixing release button 50 is in a position where it is recessed by a distance equivalent to the predetermined gap with respect to the surrounding portable device body surface.

  Next, the emergency key 2 is pulled out of the portable device body by pulling the grip portion 4 (grip) of the emergency key 2 to the outside of the portable device main body while maintaining the state where the key fixing release button 50 is pressed in this manner. Can do. Then, when the finger is released from the key fixing release button 50, the rotating body 31 is urged toward the surface of the portable device body by the elastic force of the coil spring 60 and returns to the original position. Returns to a position that is flush with the surface of the portable device body.

  Next, a procedure for storing the extracted emergency key 2 in the portable device main body will be described. First, when the emergency key 2 is inserted from an insertion port provided in the portable device main body case, the tip of the key portion 5 comes into contact with the protruding portion 34 of the rotation locking member 30. Further, when the emergency key 2 is further inserted, the tip of the key portion 5 lifts the projection 34 toward the wide surface 10b of the upper case 10, and the rotating body 31 rotates accordingly. A force in the torsional direction acts on the coil spring 60.

  Further, when the emergency key 2 is inserted deeply and the through hole 3 of the emergency key 2 comes to a position facing the protrusion 34, the elastic force (attachment) of the coil spring 60 acting in the torsional direction is restored. The rotating body 31 is rotated to return to the original position by the force), and the projection 34 is fitted and engaged with the through hole 3 so that the emergency key 2 is fixed in the portable device body.

  As described above, the portable device 1 of this embodiment includes the rotation locking member 30 that detachably holds the emergency key 2 housed in the portable device body. The rotation locking member 30 is supported by the coil spring 60 so as to be rotatable while being urged toward the surface of the portable device main body, and can be rotated together with the rotation body 31. And a protrusion 34 provided so as to protrude in the rotation direction at a position away from the shaft. The emergency key 2 has a through hole 3 that engages with the protrusion 34 in a state of being housed in the portable device body. The key lock release button 50 having the pressing surface 51 located on the surface of the portable device main body carries the rotation locking member 30 against the elastic force of the coil spring 60 when pressed in the axial direction of the rotation body 31. The protrusion 34 is configured to be detached from the through hole 3 while being rotated away from the surface of the machine body.

  According to the above-described configuration, the user can easily remove the emergency key 2 from the portable device main body by pressing the key lock release button 50 without placing a burden on the fingertip of the emergency key 2 compared to the slide-type release operation unit. Can do. Further, since the key fixing release button 50 has a push button structure, it is not necessary to form irregularities on the surface of the portable device body, and the design is excellent. Further, since the pressing direction of the key fixing release button 50 and the rotating direction of the rotation locking member 30 are substantially perpendicular to each other, the pressing surface 51 of the key fixing release button 50 is formed on the surface of the portable device body with a large area. Can be designed.

  Further, the key fixing release button 50 is provided on the narrow side surface of the surface of the portable device main body having a flat outer shape. According to this configuration, a battery, a circuit board, and the like can be disposed on the side of the emergency key 2 and the rotation locking member 30 inside the portable device body by effectively utilizing the space inside the portable device body, so that the vehicle door It is possible to enlarge the operation buttons for locking and unlocking, and to arrange a large battery with a long life.

  Further, by setting the pressing direction of the key fixing release button 50 to the direction along the wide surface 10b of the portable device main body, the pressing surface 51 of the key fixing releasing button 50 is set to the narrow side surface 10a of the portable device main body as much as possible. It can be arranged in a large area.

It is the perspective view which showed the external appearance of the portable device of the electronic key system in 1st Embodiment. It is the disassembled perspective view which showed the structure of the key fixing release button and rotation locking member which cancel | release fixation of an emergency key in the portable device of 1st Embodiment. It is the perspective view which showed the inside of a portable machine main body when fixation of an emergency key was cancelled | released in 1st Embodiment. It is the front view which showed the connection relation of the key fixed release button, the rotation latching member, and the pin in the portable device of 1st Embodiment. It is the enlarged view which showed the inside of the portable machine main body of the state in which the emergency key is engaged and fixed to the rotation latching member in 1st Embodiment. FIG. 3 is an enlarged view showing the inside of the portable device main body in a state where the engagement of the emergency key and the rotation locking member is released in the first embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Portable machine 2 ... Emergency key 3 ... Through-hole (locked part)
10a: Narrow side surface 19 ... Pin (rotating shaft of rotating body)
DESCRIPTION OF SYMBOLS 30 ... Rotation locking member 31 ... Rotating body 34 ... Projection part (locking part)
50 ... Key fixing release button 51 ... Push surface 60 ... Coil spring (elastic member)
80: Electronic component placement section

Claims (3)

A portable device of an electronic key system including an emergency key that electrically locks and unlocks a specific lock by collating an identification code by wireless communication, and mechanically locks and unlocks the lock,
A rotation locking member that detachably holds the emergency key stored in the portable device body;
The pivot locking member is pivotally supported by an elastic member while being biased toward the surface of the portable device body, and is pivotable together with the pivot body. The pivot shaft of the pivot body A locking portion provided so as to protrude in the rotation direction at a position away from
The emergency key has a locked portion that engages with the locking portion in a state of being housed in the portable device body,
A key fixing release button that is operated when the emergency key is removed from the portable device main body, and the key fixing release button is pressed in the same direction as the axial direction of the rotation shaft, whereby the elastic force of the elastic member The portable device of the electronic key system, wherein the rotation locking member is rotated against the surface of the portable device main body against the surface of the portable device, and the locking portion is detached from the locked portion.   The electronic key according to claim 1, wherein the portable device body has a flat outer shape, and the key fixing release button is provided on a narrow side surface of the surface of the portable device body. System portable machine. A circuit board constituting the communication means of the wireless communication is provided inside the portable device body,
3. The electronic key according to claim 2, wherein the circuit board is arranged so as to be stacked in a direction along the narrow side surface with at least one of the emergency key and the rotation locking member. System portable machine.

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