JP2008223376A - Portable machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable machine capable of making an opening part for opening a case body invisible and indistinguishable from the appearance and storing a machine key. <P>SOLUTION: This portable machine 20 is constituted by providing the opening part A for opening the case body 23 constituted by fitting an upper case 21 into a lower case 22 in a key storage part 23a for storing a grip part 35a of the machine key 35 to shield the opening part A by the machine key 35 and prevent the opening part A from appearing on the front. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a portable device used in a vehicle remote control system that communicates with an in-vehicle device mounted on a vehicle and remotely controls locking / unlocking of a vehicle door or the like.

  2. Description of the Related Art In recent years, a vehicle remote control system or the like that performs locking and unlocking of a vehicle door of a passenger car or the like by remote control without using a mechanical key is becoming widespread.

  In this system, for example, when a user who has a portable device operates an operation button of the portable device, a radio signal corresponding to the operation is transmitted from the portable device. The vehicle-mounted device mounted on the vehicle decodes the received radio wave signal and controls locking or unlocking of the vehicle door. This system eliminates the need for the user to insert and lock the machine key into the keyhole for locking and unlocking, improving convenience.

  A conventional portable device used in such a system will be described with reference to FIG.

  FIG. 5 is a perspective view of a conventional portable device. In FIG. 5, 1 is an upper case, 2 is a lower case, and an upper case 1 and a lower case 2 are fitted together to form a housing 3. In the housing 3, there are an operation button 4, a control circuit (not shown) for transmitting a radio signal corresponding to the operation of the operation button 4, and a battery (not shown) for supplying power to the control circuit. Contained.

  The upper case 1 and the lower case 2 are fitted together to form a casing 3, while the casing 3 is opened to separate the upper case 1 and the lower case 2, that is, the fitting of the casing 3 is performed from the outside. The portable device 10 is configured by providing a groove-like opening portion A for opening at a central position on the outer periphery.

  Reference numeral 15 denotes a mechanical key formed by integrally molding the grip portion 15a and the key portion 15b. Since the machine key 15 is used when the portable device 10 becomes unusable due to battery exhaustion or the like, the user generally attaches the portable device 10 and the machine key 15 together.

  In the above configuration, the user opens the housing 3 when the battery is replaced due to battery exhaustion or the like. In that case, a slotted open portion A provided on the outer periphery of the housing 3 is inserted into a slotted screwdriver or a coin (noted below) (hereinafter referred to as an opening tool) and subjected to a twisting operation (hereinafter referred to as a twisting force). The casing 3 was opened, and the battery could be easily replaced.

As prior art document information related to the invention of this application, for example, Patent Document 1 is known.
JP 2001-339176 A

  However, the conventional portable device 10 has a problem that since the opening portion A for opening the housing 3 is located on the outer periphery of the housing 3, the opening portion A is carelessly opened and easily damaged. Further, since the user needs to band the portable device 10 and the machine key 15 separately, there is also a problem that it is troublesome to band the band.

  The present invention solves such a conventional problem, and provides an opening for opening the housing at a position where it is difficult to see from the appearance of the portable device, and it can accommodate a mechanical key and can be easily combined. An object is to provide a portable device.

  In order to achieve the above object, a portable device of the present invention has the following configuration.

  According to a first aspect of the present invention, a key accommodating portion that can accommodate a grip portion of a mechanical key is formed in a housing in which an upper case and a lower case are fitted, and the key accommodating portion is self-embedded. The portable device is configured by providing an opening portion to be opened, and has an effect that the opening portion is not exposed by the mechanical key, and the mechanical key can be accommodated and can be easily combined.

  According to a second aspect of the present invention, in the first aspect of the present invention, at least the key accommodating portion is provided with a concave collar portion that fits the outer surface of the grip portion of the mechanical key, and the mechanical key is accommodated in the key. It has the effect | action that a waterproof mechanism can be comprised by accommodating in a part.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that an opening for opening the housing can be made invisible and a portable device that can accommodate a mechanical key can be obtained.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

(Embodiment)
FIG. 1 is a perspective view of a portable device according to an embodiment of the present invention, FIG. 2 is a separated perspective view of the main body of the portable device and a machine key, FIG. 3 is an exploded perspective view of the portable device main body, and FIG. FIG.

  In the figure, reference numeral 21 denotes an upper case, and the upper case 21 is opened at the lower surface, and is operated by a user, for example, a plurality of operation buttons 24 such as locking and unlocking, and a latch when the machine key 35 is pulled out. A push button 30 for releasing is provided. Here, the operation button 24 and the push button 30 are formed at a height that does not protrude from the top surface of the upper case 21 in order to prevent inadvertent operation.

  Reference numeral 22 denotes a lower case, and the lower case 22 has an upper surface opened and fitted into the upper case 21 to form a housing 23. The upper case 21 and the lower case 22 are molded from a tough resin material such as polycarbonate (PC) or polybutylene terephthalate (PBT).

  And the housing | casing 23 is provided with the key accommodating part 23a which accommodates the mechanical key 35 in the corner. As shown in FIG. 2, the key accommodating portion 23 a has a flange portion 23 d extending from the opening to the back opening. The flange portion 23 d is wide on the front side where the mechanical key 35 is inserted, and the mechanical key 35 is accommodated therein. The back side is narrowed so that the machine key 35 can be easily inserted.

  A movable portion 30 a that constitutes the latch mechanism 32 together with the push button 30 is disposed in the key accommodating portion 23 a so as to protrude from a hole formed in the mating surface of the upper case 21 and the lower case 22.

  Further, the key accommodating portion 23a is formed with an opening portion A that opens the housing 23 on the surface where the upper case 21 and the lower case 22 are in contact with each other. The open portion A is a groove-shaped recess provided in a portion where the upper case 21 and the lower case 22 are in contact with each other. The recess may be formed by only the upper case 21 or the lower case 22 or may be formed by both the upper case 21 and the lower case 22.

  Further, the opening A can be implemented at any position on the mating surface of the upper case 21 and the lower case 22 of the key housing portion 23a, but it is provided on the back opening side past the flange portion 23d. good.

  Further, the key accommodating portion 23a is formed with a cylindrical key pocket 22b into which the key portion 35b of the mechanical key 35 can be inserted into the lower case 22 in the lower right lower portion. And the mechanical key 35 accommodated in the key accommodating part 23a is inserted from the left direction, and the convex part ahead of the grip part 35a is fitted by the collar part 23d.

  Here, in the mechanical key 35, a grip portion 35a formed of a tough resin material such as PC or PBT or a hard rubber material having elasticity and a metal key portion 35b are integrally molded, and the grip portion 35a Incorporates an electronic key immobilizer control circuit 35c that communicates with the vehicle and permits engine start.

  Then, as shown in FIG. 3, an upper case 21, an operation button 24 that is movably locked to the upper case 21, a cover 28 that covers the upper surface of the circuit board 27, a control circuit 25, and the like are mounted in order from the top. The portable device main body is composed of the circuit board 27, the battery holder 29 to which the battery 26 is mounted from below, and the lower case 22 including the members constituting the latch mechanism 32.

  The latch mechanism 32 includes a push button 30, a movable part 30 a formed integrally with the push button 30, a spring 31 that urges the push button 30 upward, and the urging force of the spring 31 in the hole of the lower case 22. The convex part 30b which regulates with 22c is arrange | positioned at the predetermined | prescribed position of the lower case 22 so that movement is possible.

  On the other hand, the electronic components of the control circuit 25 are mounted on the upper surface of the circuit board 27, and the entire upper surface of the mounting surface is covered with a cover 28 made of an elastic body such as a rubber material. The cover 28 is provided with a tongue-like convex portion 28 a extending outside the outer shape of the circuit board 27 on the entire circumference.

  In the example shown in FIG. 4, the convex portion 28 a is accommodated in the concave portion 23 c where the side wall of the upper case 21 and the side wall of the lower case 22 are vertically adjacent to each other, and the entire circumference thereof is formed with the upper case 21 and the lower case 22. It is suppressed by.

  Further, in the battery 26 accommodated in the battery holder 29 from below, each electrode is connected and conducted to the circuit board 27 by an electrode plate (not shown). The battery holder 29 holds the circuit board 27 between the claws.

  Further, the upper case 21 and the lower case 22 are provided with a fitting portion 23b on substantially the entire circumference of a casing 23 formed by fitting with each other. The fitting portion 23b is provided, for example, on the outer wall 22a of the lower case 22 so as to face the concave portion having a substantially "<" shape in cross-section provided on the inward wall 21a of the upper case 21 located on the outer side. Further, it is formed by fitting a convex portion having a substantially “<” shape in cross section.

  A machine key 35 is accommodated in the portable device body to constitute the portable device 20.

  In the above configuration, for example, when the user operates the unlocking operation button 24, the control circuit 25 operates and a radio signal of an unlocking command is transmitted from the portable device 20. A vehicle-mounted device (not shown) mounted on the vehicle decodes the received radio signal and controls unlocking of the vehicle door. Further, the in-vehicle device that detects that the portable device 20 is in the vehicle communicates with the immobilizer control circuit 35c built in the machine key 35 to allow the engine to start.

  Next, the opening operation of the housing 23 will be described. The housing 23 is opened when the battery 26 is replaced with a new one.

  First, as is apparent from FIG. 1, since the opening A is not exposed on the outer periphery of the portable device 20 in the state in which the mechanical key 35 is stored, as shown in FIG. The mechanical key 35 is removed by operating the mechanism 32.

  As a result, the opening portion A provided in the key housing portion 23a appears in the table. The casing 23 is opened by inserting an opening tool into the opening portion A and applying a twisting force. As a result, as shown in FIG. 3, the housing 23 is separated into the upper case 21 side and the lower case 22 side.

  Here, the housing 23 is in a state in which the operation buttons 24, the cover 28, the circuit board 27, the battery holder 29, and the battery 26 of each component are mounted on the upper case 21, and the components of the latch mechanism 32 are the lower case 22. It is opened when attached to the side.

  Then, after replacing the battery 26 attached to the battery holder 29 with a new battery, the upper case 21 and the lower case 22 attached with the respective components are fitted again, and the machine key 35 is inserted. The opening A returns to the original state shielded by the machine key 35.

  Next, waterproofing of the portable device 20 will be described. Since the portable device 20 is bundled in a state where it is put in a pants pocket or the like, the portable device 20 may be splashed with water by mistake, and waterproofing is necessary for that purpose.

  As shown in FIG. 4, the first waterproof mechanism is provided inside the open portion A by accommodating the convex portion 28 a of the cover 28 in a concave portion 23 c formed by the upper case 21 and the lower case 22 in a compressed state. It is composed.

  Further, on the outer side of the opening portion A, a convex portion formed by the grip portion 35a of the mechanical key 35 is fitted into the concave portion formed by the flange portion 23d of the housing 23, and the key accommodating portion 23a of the housing 23, The mating surface constitutes the second waterproof mechanism.

  That is, the inside and outside of the opening portion A are surrounded by the first waterproof mechanism and the second waterproof mechanism. By covering the inside and outside of the opening portion A with each waterproof mechanism, water from the outside is prevented from entering the housing 23.

  Moreover, as shown in FIG. 4, waterproofing can be further strengthened by disposing a ring-shaped rubber packing 23e on the convex portion or the flange portion 23d of the grip portion 35a.

  As described above, according to the present embodiment, the key accommodating portion that can accommodate the opening portion A for opening the casing 23 in which the upper case 21 and the lower case 22 are fitted can be accommodated in the grip portion 35a of the mechanical key 35. Since the opening portion A is shielded by the machine key 35 by being provided in the device 23a, the opening portion A is not exposed and the portable device 20 that is not inadvertently opened can be obtained. Since the machine key 35 can be accommodated in the machine body, the troublesomeness associated with the conventional separately can be solved.

  Further, the second waterproof mechanism can be configured here by providing the key housing portion 23a with the flange portion 23d and housing the machine key 35 in the key housing portion 23a.

  In the present embodiment, the portable device 20 has been described as an example of only transmission, but the present invention is not limited to this and may be used for transmission / reception. For example, the portable device 20 that has approached the vehicle and has received a request signal from the in-vehicle device may send back a response signal so that the in-vehicle device detects this and controls the unlocking of the vehicle door.

  Further, as shown in FIG. 3, the latch mechanism 32 has been described with an example of a push button type in which the spring 31 is compressed by depressing the push button 30 and the movable portion 30a moves in the direction of the arrow to release the latch. The lever is not limited to the push button 30 and is a slide lever, and a lever type that releases the latch by operating the slide lever, or a hinge lever that releases the latch by operating the hinge lever, and a key It is also possible to use a magnet type in which a metal plate such as iron is embedded in one of the accommodating portion 23a and the grip portion 35a, and the other is embedded in a magnet.

  In addition, the opening portion A is provided in the key housing portion 23a formed by turning one corner of the housing 23. However, the opening portion A is not limited to this, and is provided in the key housing portion formed by turning the center portion of the housing 23. It is good as a thing. For example, when the opening portion A is provided so as to be positioned on the width center line of the housing 23, the opening of the housing 23 is equally performed symmetrically from the center line, and the opening work can be facilitated.

  The portable device according to the present invention has an effect that an opening portion for opening the housing is provided at a position where it cannot be seen from the outside, and that the mechanical key can be accommodated and banding can be easily performed. It is useful for a portable device used in a vehicle remote control system that remotely communicates with and controls the locking and unlocking of vehicle doors.

1 is an overall perspective view of a portable device according to an embodiment of the present invention. Separate perspective view of main body and machine key of the portable device Exploded perspective view of the portable device body Cross section of the main part Overall perspective view of a conventional portable device

Explanation of symbols

20 Mobile device 21 Upper case 21a Inward wall (upper case)
22 Lower case 22a Outward wall (lower case)
22b Key pocket 23 Case 23a Key accommodating portion 23b Fitting portion 23c Recessed portion 23d Knee portion 24 Operation button 25 Control circuit 26 Battery 27 Circuit board 28 Cover 28a Convex portion (cover)
29 Battery holder 30 Push button 30a Movable part 32 Latch mechanism 35 Machine key 35a Grip part (machine key)
35b Key part (mechanical key)
35c Immobilizer control circuit A Open part

Claims (2)

A circuit board on which a control circuit for transmitting a radio wave signal is mounted; a battery for supplying power to the control circuit; a casing in which an upper case and a lower case are fitted to receive the control circuit and the battery; and the casing It consists of a mechanical key that can be inserted into and removed from the body and has a grip part,
The key housing portion that can accommodate the grip portion of the mechanical key is formed in the housing, and an opening portion for opening the housing is provided on a mating surface between the upper case and the lower case of the key housing portion. Portable machine. The portable device according to claim 1, wherein the key receiving portion is provided with a concave flange portion that fits on an outer surface of a grip portion of the mechanical key.

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