JPH11204199A - Cable connection structure for wire hand-carry electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cable connection structure for a wire hand-carry electronic device in which choking of foreign matter, infiltration of conductive substances such as water, and nonconformities such as short-circuiting in inner electric/electronic circuits or breakage by static electricity can be prevented, in which assembling and disassembling are easy, and in which manufacture and stock control are easy. SOLUTION: This device is provided with an electronic device side connection part 58, provided on an outer housing 50 of a wire hand-carry electronic device, a cable side connection part 56 provided on an extended end of a cable 54 to be connected to the electronic device side connection part 58, locking means 63, 64 for fixing connection of the electronic device side connection part 58 to the cable side connection part 56, a fixture releasing tool for introducing opening 66 provided on the outer housing 50 to which a tool for releasing fixture by the locking means 63, 64 is introduced, and a cover member 68 detachably connected to the outer housing 50 for covering the electronic device side connection part 58, the cable side connection part 56, the locking means 63, 64, and the fixture releasing tool inlet opening 66, and an insertion/removal opening 68a through which the cable side connection part is freely removable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable connection structure of a wire type hand-held electronic device, and more particularly, to an electronic device side connection portion provided on an exterior housing of the wire type hand-held electronic device. A cable connection structure for a wired hand-held electronic device in which a cable-side connection portion provided at an extension end of the cable is connected to the cable and the cable-side connection portion is fixed to the electronic device-side connection portion by locking means Has to do with.

[0002]

2. Description of the Related Art A cable connection structure of a wire type handheld electronic device of the kind described above is disclosed in, for example, Japanese Patent Laid-Open No. 4-1920.
No. 16 is known. In this conventional cable connection structure, a connection hole provided with an electronic device side connection portion is formed in an exterior housing of a handy type barcode reader which is an example of a wired type handheld electronic device. By inserting the cable-side connection part provided at the extension end, the cable-side connection part is connected to the electronic device-side connection part.

[0003] The cable-side connecting portion is provided with an elastic engaging claw as a part of a lock means for fixing the connection of the cable-side connecting portion to the electronic device-side connecting portion. By inserting the cable-side connection portion into a predetermined depth in the connection hole, the cable engages with an engagement recess as another portion of the lock means formed on the inner surface of the connection hole to achieve the fixing.

[0004] The outer housing is further formed with a small-diameter through-hole extending from the outer surface of the outer housing to the engagement recess, into which an elongated and hard object such as a precision screwdriver is inserted. By pressing the elastic engaging claw therein, the engagement of the elastic engaging claw with the engaging recess, that is, the fixing of the connection of the cable side connecting portion to the electronic device side connecting portion can be released.

However, the small-diameter through hole for disengagement as described above may not only be easily clogged with foreign matter such as dust and may look dirty, but also a conductive substance such as water may enter the outer housing. The possibility of causing a short circuit or other trouble in the electric / electronic circuit inside the device or the static electricity guided into the exterior housing through the small-diameter through-hole adversely affects the electric / electronic circuit inside the exterior housing. Could have an effect.

In order to solve the above-mentioned disadvantages of the conventional cable connection structure, an improved structure is used as shown in FIG. FIG. 4A is an exploded side view showing another conventional cable connection structure improved to solve the above-mentioned disadvantages of the conventional cable connection structure; FIG. 4A is a side view of the connection base of still another conventional cable connection structure of FIG. 4A as viewed from the right side of FIG. 4A; FIG. 4C is a side view of FIG. FIG. 5A is a side view partially connecting another conventional cable connection structure of FIG. 4A; and FIG. 4D is a complete view of another conventional cable connection structure of FIG. 4A. FIG.

As shown in FIG. 4A, in another conventional cable connection structure, an outer surface of a bottom wall of an outer housing 10 of a handy type bar code reader which is an example of a wired type hand-held electronic device. The connection pedestal 12 is formed, and the connection pedestal 12 is formed with a connection hole 16 in which the electronic device side connection portion 14 is provided. As shown in FIGS. 4A and 4B, a plurality of engagement projections 17 are formed on the outer peripheral surface of the connection pedestal 12, and the inner peripheral surface of the connection hole 16 extends from the outer peripheral surface of the connection pedestal 12. A small-diameter through hole 19 penetrating to the engagement recess 18 which is a part of the lock means is formed.

A cable-side connecting portion 22 is provided at an extending end of the cable 20. An elastic engaging claw 24 is formed on the outer peripheral surface of the cable-side connecting portion 22 as another portion of the locking means. The cable 20 has an elastic cap member 2 for covering the connection pedestal 12 on the bottom wall of the exterior housing 10.
6 is movably attached along the cable 20, and the elastic cap member 26 is formed with a bending reinforcing portion 28 extending along the cable 20 in a direction away from the cable side connection portion 22. Elastic cap member 26
An engagement recess 30 for engaging with the engagement protrusion 17 on the outer peripheral surface of the connection pedestal 12 is formed on the inner peripheral surface of the connection base 12.

When assembling the above-described further conventional cable connection structure, first, as shown in FIG. 4C, the connection pedestal 12 on the bottom wall of the exterior housing 10 is first mounted. The cable side connection part 22 of the extension end of the cable 20 is inserted into the connection hole 16, and the cable side connection part 2 of the cable 20 is inserted into the electronic device side connection part 14 in the connection hole 16.
2 and connect the elastic engaging claws 24 on the outer peripheral surface of the cable side connecting portion 22 to the engaging recesses 18 on the inner peripheral surface of the connection hole 16.
To be engaged.

Finally, as shown in FIG. 4D,
The elastic cap member 26 is drawn on the cable 20 toward the connection pedestal 12 on the bottom wall of the exterior housing 10 to cover the connection pedestal 12 on the bottom wall of the exterior housing 10, and is shown in FIGS. 4A and 4C. Elastic cap member 26
Is engaged with the engaging projection 17 on the outer peripheral surface of the connection base 12. Here, the bending reinforcing portion 28 of the elastic cap member 26 prevents the portion of the cable 20 immediately after extending from the cap member 26 into the external space from being sharply bent, and the conductor in the cable 20 is disconnected due to the sharp bending. To prevent

In order to disassemble the further conventional cable connection structure assembled as shown in FIG. 4D, first, the elastic cap member 26 is attached to the cable 20.
4A and 4B, a large force is applied in a direction away from the bottom wall of the exterior housing 10, and the engagement projections 17 on the outer peripheral surface of the connection pedestal 12 on the bottom wall of the exterior housing 10 shown in FIGS. The engagement of the engagement recess 30 on the inner peripheral surface of the elastic cap member 26 with respect to is released to bring the state shown in FIG. Next, an elongated and hard object such as a precision screwdriver is inserted into the small-diameter through hole 19 on the outer peripheral surface of the connection pedestal 12 shown in FIGS.
6 elastic engagement claws 24 on the outer peripheral surface of the cable side connection portion 22
Is pressed into the engagement recess 1 on the inner peripheral surface of the connection hole 16.
After releasing the engagement of the elastic engaging claw 24 with the electronic device-side connecting portion 14, that is, the fixing of the connection of the cable-side connecting portion 22 to the electronic device-side connecting portion 14, the cable 20 is pulled in a direction away from the exterior housing 10, and FIG. As shown in A), the cable-side connection portion 22 at the extension end of the cable 20 is detached from the connection hole 16 of the connection pedestal 12 on the bottom wall of the exterior housing 10.

[0012]

In another improved conventional cable connection structure described above with reference to FIGS. 4A to 4D, the outer shape of the cap member 26 corresponds to the outer housing. 10 must be shaped to conform to the outer shape, particularly the outer shape of the portion adjacent the cap member 26. Therefore, the outer housing 10
In the case of a plurality of types of wired hand-held electronic devices having different outer shapes from each other, particularly, the outer shape of a portion adjacent to the cap member 26, a plurality of types of exterior housings 10 of the plurality of types of wired hand-held electronic devices are provided. In particular, the cap member 26 having a plurality of types of outer shapes conforming to the outer shape described in the above, particularly, a plurality of types of outer shapes in a portion adjacent to the cap member 26, must be prepared.

Further, since the cap member 26 is not detachable from the cable 20, a plurality of cables 2 combined with the cap member 26 having a plurality of external shapes are provided.
0 for different types of outer shapes of the outer housing 10 of the wired type handheld electronic device of different types, particularly different types of outer shapes of the portion adjacent to the cap member 26. Manufacturing and inventory management of a plurality of cables 20 that cannot be adapted and are combined with cap members 26 having a plurality of types of outer shapes are very complicated.

In order to assemble and disassemble another conventional cable connection structure, the cable 20 with the cap member 26 is operated as shown in FIGS. 4A, 4C and 4D. There is always a need, and the assembling and disassembling operations of the further conventional cable connection structure described above are relatively complicated.

SUMMARY OF THE INVENTION The present invention has been made under the above circumstances, and an object of the present invention is to prevent foreign substances such as dust from being clogged and to short-circuit internal electric and electronic circuits due to penetration of a conductive substance such as water. Not only can prevent the destruction of internal electric and electronic circuits due to static electricity, but also can be easily assembled and disassembled, and can be easily manufactured and stocked. An object of the present invention is to provide a cable connection structure for a hand-held electronic device.

[0016]

In order to achieve the above-mentioned object of the present invention, a cable connection structure for a wired hand-held electronic device according to the present invention is provided on an exterior housing of the wired hand-held electronic device. Electronic device-side connection portion; a cable-side connection portion provided at the extension end of the cable and connected to the electronic device-side connection portion; locking means for fixing the connection between the electronic device-side connection portion and the cable-side connection portion A fixing release tool introduction opening provided in the exterior housing, into which a tool for releasing the fixing by the locking means is introduced; and an electronic device side connection portion and a cable side connection portion detachably connected to the exterior housing. A cover member for covering the lock means and the fixing release tool introduction opening, and having a removably insertable opening for the cable-side connection portion.

With such a configuration, the cable-side connection portion can be inserted into and removed from the insertion opening of the cover member.
Since the cable with the cable-side connection part and the cover member can be manufactured and managed independently of each other, manufacturing and inventory management are easy.

Also, at the time of assembly, the cover member is attached to the exterior housing before connecting the cable-side connection portion at the extension end of the cable to the electronic device-side connection portion of the exterior housing of the wired handheld electronic device. The cable side connection part can be connected to the electronic device side connection part by detachably connecting it and then inserting the cable side connection part into the insertion opening of the cover member. is there.

More specifically, at the stage of assembling in a factory, a covering member of a corresponding shape is connected in advance to the exterior housings of a plurality of types of wire-type handheld electronic devices, and the customer or the customer is asked by the customer. A salesperson who delivers a desired type of wired handheld electronic device can select a desired wired handheld electronic device from cables of various lengths that can be used in common for a plurality of types of wired handheld electronic devices. It is only necessary to prepare a cable having a length corresponding to the use environment.

The cover member detachably connected to the exterior housing includes not only a fixing release tool introduction opening but also an electronic device side connection portion, a cable side connection portion connected to the electronic device side connection portion, and an electronic device side. Since the locking means for fixing the connection between the connection part and the cable side connection part is covered, it is possible to prevent the foreign matter such as dust from being clogged into the fixing release tool introduction opening, and to reduce the internal electric power and the like caused by the intrusion of a conductive substance such as water. It can prevent problems such as short-circuiting of electronic circuits, and can also prevent the destruction of internal electric and electronic circuits due to static electricity. Static electricity from the external space via the cable side connection part connected to the side connection part or the locking means for fixing the connection between the electronic device side connection part and the cable side connection part. Wired hand-held is introduced into the electric and electronic circuits in the exterior housing of the electronic device can be prevented that would static by it is possible to prevent destruction of the internal electrical and electronic circuits.

At the time of disassembly, first, the connection of the cover member to the exterior housing is released, and the cable-side connecting portion and the electronic device connected to the fixing releasing tool introduction opening, the electronic device side connecting portion, the electronic device side connecting portion, and the like. The locking means for fixing the connection between the device-side connection part and the cable-side connection part is exposed, and the fixing of the connection by the locking means is released by the fixing releasing tool introduced into the fixing releasing tool introduction opening. After release of this fixation, the cable with the cable side connection and the cover member can be handled independently of each other by removing the cable side connection from the insertion / removal opening of the cover member. And disassembly work is facilitated.

In the cable connection structure for a wired hand-held electronic device according to the present invention having the above-described configuration, at least one of the cable side connection portion and a portion of the cable adjacent to the cable side connection portion. Preferably, a closing member that closes the insertion / removal opening when the cable-side connection portion is inserted into the insertion / removal opening of the cover member for connection with the electronic device-side connection portion is provided.

The insertion / removal opening of the cover member is much larger in size than the opening for introducing the unlocking tool of the exterior housing. For example, foreign matter such as dust is much less likely to be clogged, but foreign matter can be clogged by being closed by the closing member. In addition to reducing the possibility of intrusion of conductive substances such as water, it is possible to more reliably prevent problems such as short-circuiting of internal electric and electronic circuits due to conductive substances such as water, and The appearance of a cable connection structure of a wired handheld electronic device according to the present invention is improved.

In the cable connection structure for a wire-type hand-held electronic device according to the present invention having the above-described configuration, the closing member has an outer diameter larger than the inner diameter of the insertion / removal opening of the cover member. It is preferable that the insertion / removal opening of the cover member is closed by the closing member, so that the function of the closing member is greatly improved instead of a simple configuration.

[0025] In the cable connection structure for a wired hand-held electronic device according to the present invention, which is configured as described above, the cable further includes a cable adjacent to the cable-side connection portion and a cable extending along the portion. Can be provided with a bending reinforcing member for enhancing the resistance to bending.

In this case, since the bending reinforcing member can be provided independently of the covering member, the degree of freedom in designing the bending reinforcing member is increased. Further, as shown in FIGS. 4A, 4B, and 4C, a further improved and improved alternative to the above is that the bending reinforcing member 28 is formed on the cap member 26 movable along the cable 20. Compared with the conventional cable connection structure, in the above-mentioned improved yet another conventional cable connection structure, the pulling force applied to the cable 20 is directly applied to the boundary between the cable connection structure 22 and the cable 20. The improved and further conventional cable connection structure has relatively low resistance to the pulling force applied to the cable 20, but a bending reinforcement member can be provided in a portion of the cable adjacent to the cable side connection portion. In the cable connection structure of the wired handheld electronic device according to the invention of the present application, the cable connection structure is bent and integrated integrally with the cable side connection portion. It can pull force loaded to the cable by forming the member to increase the resistance to tensile force loaded to the cable since to be loaded to the cable connection structure via a cable and bending reinforcing member. Needless to say, the above-mentioned closing member can be provided on the bending reinforcing member.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS. 1 to 3 in the accompanying drawings. First, referring to FIGS. 1A, 1B, and 1C, a cable of a hand-held bar code scanner, which is a kind of wired hand-held electronic device, according to an embodiment of the present invention. The configuration of the connection structure will be described.

FIG. 1A is a schematic exploded perspective view of a cable connection structure of a hand-held bar code scanner, which is a kind of a wire type hand-held electronic device according to an embodiment of the present invention. FIG. 1B is a schematic longitudinal sectional view of the electronic device-side connection portion and its vicinity taken along line BB of FIG. 1A; and FIG.
FIG. 2 is an enlarged side view of a cable-side connection portion in FIG.

As shown in FIG. 1A, the hand-held type bar code scanner includes a light projecting means (not shown) for projecting light from a light source (not shown) toward the bar code, and a light (not shown) reflected from the bar code. Light receiving means (not shown) for receiving light from the projecting means, bar code reading means (not shown) for reading a bar code pattern based on the intensity of reflected light received by the light receiving means (not shown), and bar code reading means (not shown) And a data decoding means (not shown) for decoding various data indicated by the bar code from the bar code.

In this embodiment, the exterior housing 5
0 denotes a head 50a mainly storing the above-mentioned light projecting means (not shown) and a light receiving means (not shown), and a head mainly storing the above-mentioned bar code reading means (not shown) and the data decoding means (not shown). And a grip portion 50b extending downward from the holding portion 50a. Note that the light projecting means (not shown), the light receiving means (not shown), the barcode reading means (not shown), and the data decoding means (not shown) have already been well-known and have no relation to the present invention. I will not explain it any more.

On the bottom wall of the grip portion 50b of the exterior housing 50, an electronic device side connection portion 58 detachably connected to a cable side connection portion 56 at the extension end of the cable 54 connected to the host computer 52. Is provided. The cable 54 is connected to the electronic device side connection portion 58 of the exterior housing 50.
Is connected to the host computer 52 from the data decoding means (not shown) in the exterior housing 50 by the bar code reading means (not shown). Data is sent.

As shown in FIGS. 1A and 1B, a connection pedestal 60 is formed on the bottom wall of the grip 50b of the exterior housing 50 so as to protrude therefrom.
A connection hole 62 into which the cable-side connection portion 56 is inserted for connection with the electronic device-side connection portion 58 is formed on the protruding end surface. The electronic device side connection portion 58 is arranged at the inner end of the connection hole 62, and the electronic device side connection portion 58 and the cable side connection portion 56 are provided with locking means for fixing these connections.

In this embodiment, the electronic device side connection portion 58 and the cable side connection portion 56 are constituted by a known so-called modular connector which is often used for connection of wiring such as a telephone. Reference numeral 58 denotes a socket portion of the modular connector, and a cable-side connection portion 56 includes a plug (insertion) portion of the modular connector. However,
The electronic device-side connection portion 58 and the cable-side connection portion 56 can be joined to each other, and have a lock means capable of releasably fixing the connection. Any conventional connector can be used as long as the fixing can be released by pressing the portion.

Therefore, in this embodiment, as shown in FIGS. 1A and 1C, the cable-side connecting portion 56 having the elastic engaging claw 64 at the tip is shown in FIG. 1B. Connection pedestal 6 on the bottom wall of grip 50b of exterior housing 50
When the insertion hole 62 is inserted into the connection hole 62 to a predetermined depth, the engagement claw 63 which is a part of the locking means of the electronic device side connection portion 58 in the connection hole 62 has two points shown in FIG. As shown by the dashed line, the elastic engagement claws 64, which are the other parts of the locking means of the cable side connection portion 56, engage, and the electrical connection between the electronic device side connection portion 58 and the cable side connection portion 56 is achieved. You. At this time, the elastic engaging claws 64 are located in the connection holes 62 and are hidden from the external space.

As shown in FIGS. 1A and 1B, the peripheral wall of the connection pedestal 60 is connected to the electronic device side connection portion 58 in the connection hole 62 by a two-dot chain line in FIG. 1B. As shown, the engaging claw of the electronic device-side connecting portion 58 is located at a position opposing the elastic engaging claw 64 of the cable-side connecting portion 56 while the electrical connection of the cable-side connecting portion 56 is being performed. An unlocking tool introduction opening 66 for introducing an elongated hard unlocking tool such as a precision screwdriver (not shown) for releasing the engagement of the elastic engagement claws 64 of the cable-side connection portion 56 with the 63 is formed. In this embodiment, the fixing releasing tool introduction opening 66 is formed by a small-diameter through hole, but may be formed by a notch cut out from the end face of the connection base 60.

On the peripheral wall of the connection pedestal 60, there is further provided an engagement projection 60a protruding outward in the radial direction of the connection pedestal 60.
Are formed. The cable connection structure of the hand-held bar code scanner, which is a kind of the wire-type hand-held electronic device according to the embodiment of the present invention, further includes a connection recess for receiving the connection pedestal 60 on the bottom wall of the grip portion 50b of the exterior housing 50. The cable 68 has a cover member 68 having an insertion opening 68b which penetrates through the location 68a and the connection recess 68a and through which the cable side connection portion 56 can be inserted and removed. The cover member 68 is formed of a material having elasticity such as rubber or elastomer, for example, and has a connection base 6 on the inner surface of the connection recess 68a.
An engagement groove 68c that is detachably engaged with the engagement protrusion 60a on the outer peripheral surface of the No. 0 is formed.

On the outer peripheral surface of the covering member 68, a finger hanging recess 70 is provided.
Is formed, and covers the force required to release the engagement of the engagement groove 68c on the inner surface of the connection recess 68a with the engagement protrusion 60a on the outer peripheral surface of the connection pedestal 60 by the finger hooked on the finger holding recess 70. The member 68 can be easily loaded.

In the cable 54, the cable side connection portion 5
6, a reinforcing member 72 is formed along the above-mentioned portion for strengthening the resistance to bending of the cable 54 and preventing connection of a conductive wire (not shown) in the cable 54 due to repetition of the above-mentioned bending. I have. In this embodiment, the adjacent portion 72a of the reinforcing member 72 adjacent to the cable side connection portion 56 is formed integrally with the cable side connection portion 56 by, for example, molding, and as a result, the cable 54 for the cable side connection portion 56 is formed. The extension strength of the connection at the extension end is increased.

On the outer peripheral surface of the adjacent portion 72a of the reinforcing member 72, an elastic engaging claw escape recess 74 is provided so as not to hinder the disengaging operation by the pressing of the elastic engaging claw 64 of the cable side connection portion 56.
Are formed. An annular closing member 76 is formed on the outer peripheral surface of the adjacent portion 72a of the reinforcing member 72 and extends to the entire periphery of the outer peripheral surface at a position farther from the cable side connection portion 56 than the elastic engaging claw relief recess 74. Have been.

The contour shape of the closing member 76 corresponds to the contour shape of the inner peripheral surface of the insertion / removal opening 68 b of the covering member 68, and the dimension (ie, the outer diameter) of the contour of the closing member 76 corresponds to the insertion / removal of the covering member 68. It is set slightly larger than the size of the contour (inner diameter) of the inner peripheral surface of the opening 68b.

In this embodiment, the closing members 76 are formed in two rows in the extending direction of the cable 54.
1 if it can perform the desired function described below
They may be formed in rows or in two or more rows.

A hand-held bar which is a kind of a wire-type hand-held electronic device according to an embodiment of the present invention whose configuration has been described with reference to FIGS. 1 (A), 1 (B) and 1 (C). The cable connection structure of the code scanner is assembled as follows.

First, for example, in an assembly factory of a hand-held bar code scanner, a grip 50b of an exterior housing 50 of the hand-held bar code scanner.
The connection recess 68a of the cover member 68 is put on the outer peripheral surface of the connection pedestal 60 on the bottom wall, and the inner periphery of the connection recess 68a of the cover member 68 is engaged with the engagement projection 60a on the outer peripheral surface of the connection pedestal 60 as shown in FIG. The engaging groove 68c on the surface is engaged.

Next, at the actual use site of the hand-held bar code scanner, the cable side connecting portion 56 of the cable 54 of a desired length is covered with the insertion / removal opening 68b of the member 68.
To a predetermined depth. As a result, as shown in FIG. 3B, the cable side connection portion 56 is connected to the electronic device side connection portion 58 in the connection pedestal 60 on the bottom wall of the grip portion 50b of the exterior housing 50 and the cable side connection portion. The elastic engaging claw 64 which is a part of the locking means of the portion 56 is engaged with the engaging claw 63 which is another part of the locking means of the electronic device side connection portion 58
And the connection is fixed.

In this case, as shown in FIGS. 3A and 3B, the electronic device-side connecting portion 58 and the cable-side connecting portion 5
6. The elastic engaging claws 64, which are a part of the locking means of the cable-side connecting portion 56, and the engaging claws 63, which are other portions of the locking means of the electronic device-side connecting portion 58, are provided on the grip portion 50b of the exterior housing 50. The cover member 68 is connected to the bottom wall, and the fixing release tool introduction opening 66 of the connection base 60 is also covered by the cover member 68. For this reason, the locking means is not unlocked by mistake, and the connection between the electronic device-side connecting portion 58 and the cable-side connecting portion 56 is not accidentally released.

Further, the insertion / removal opening 68 b of the cover member 68 is closed by a closing member 76 of the cable-side connection portion 56. In particular, in this embodiment, as described above, the contour shape of the closing member 76 corresponds to the contour shape of the inner peripheral surface of the insertion / removal opening 68b of the covering member 68, and the dimension of the contour of the closing member 76 (ie, the outer diameter). Is slightly larger than the size (i.e., inner diameter) of the contour of the inner peripheral surface of the insertion / removal opening 68b of the cover member 68, so that the contour of the closing member 76 is smaller than the inner peripheral surface of the insertion / removal opening 68b of the cover member 68. Of the covering member 6
8 is sealed.

In this embodiment, the external shape of the grip 50b of the exterior housing 50 of the various types of hand-held bar code scanners having the common electronic device side connection portion 58 is compatible with various bottom walls. The cover member 68 can be prepared at the factory and connected to the connection pedestal 60 of the grip 50b before the various types of handheld barcode scanners are shipped from the factory. The user or seller of the handheld barcode scanner can provide himself only the desired length of cable 54 with a cable side connection 56 common to all of the various types of handheld barcode scanners. At the site where the handheld barcode scanner is used, the cable-side connection portion 56 can be easily connected to the electronic device-side connection portion 58 as described above with reference to FIGS.

For this reason, it is easy to manufacture and assemble the cable connection structure of the hand-held bar code scanner which is a kind of the wired hand-held electronic device according to the embodiment of the present invention, and to assemble it. Is also easy.

The fixing releasing tool introduction opening 66 of the connection pedestal 60 is covered by a cover member 68.
Of the cable-side connection portion 56
6, the fixing release tool introduction opening 6
6 can of course prevent foreign matter such as dust from being clogged in the insertion opening 68b, and can conduct water or the like from the external space through the insertion opening 68b as well as the fixing release tool introduction opening 66. It is possible to prevent inconvenience such as a short circuit or the like in an electric / electronic circuit (not shown) inside the exterior housing 50 due to invasion of a substance, and also possible to prevent destruction of the internal electric / electronic circuit due to intrusion of static electricity.

When disassembling the cable connection structure of the hand-held bar code scanner, which is a kind of the wired hand-held electronic device according to the embodiment of the present invention, assembled as described above, first, A finger is hung on the finger hook recess 70 on the outer peripheral surface of the cover member 68, and the force required to release the engagement of the engagement groove 68 c on the inner surface of the connection recess 68 a with the engagement protrusion 60 a on the outer peripheral surface of the connection pedestal 60. A load is applied to the cover member 68 by the finger to release the engagement.

Then, after the cover member 68 is moved on the cable 54 so as to move away from the connection pedestal 60, the cover member 68 is removed from the connection pedestal 60 as described above, so that the external space as shown in FIG. Insert an elongated hard fixing tool such as a precision screwdriver into the fixing releasing tool introduction opening 66 of the connection pedestal 60 exposed to the pedestal 60, and press the elastic engaging claw 64 which is a part of the locking means of the cable side connecting portion 56. For example, as shown in FIG.
The elastic engaging claws 6 of the cable-side connecting portion 56 as shown by the dotted line.
4 can be released. Electronic device side connection part 5
The cable-side connection portion 56 detached from the cable 8 is a cable 54
It can be pulled out from the insertion / removal opening 64 of the upper cover member 68.

[0052]

As described in detail above, according to the cable connection structure of the wired hand-held electronic device according to the present invention, it is possible to prevent clogging of foreign substances such as dust and to prevent intrusion of conductive substances such as water. It is possible to prevent the short circuit of the internal electric and electronic circuits due to the internal electric and electronic circuits, and also to prevent the destruction of the internal electric and electronic circuits due to static electricity, as well as easy assembly and disassembly. Easy production and inventory management.

[Brief description of the drawings]

FIG. 1A is a schematic exploded perspective view of a cable connection structure of a hand-held bar code scanner, which is a kind of a wired hand-held electronic device, according to an embodiment of the present invention; ) Is a schematic longitudinal sectional view of the electronic device side connection portion and its vicinity along line BB of (A); and (C) is an enlarged view of the cable side connection portion of (A). FIG.

2 is an enlarged side view schematically showing a state in the middle of assembling the cable connection structure of FIG.

FIG. 3A is an enlarged schematic view showing a state in which a cable connection structure of a hand-held bar code scanner, which is a kind of a wired hand-held electronic device, according to an embodiment of the present invention is completed. FIG. 4B is a schematic longitudinal sectional view of the electronic device-side connection portion, the cable-side connection portion, and the vicinity thereof along line BB of FIG. 3A;

FIG. 4A is an exploded side view showing another conventional cable connection structure improved to eliminate the disadvantages of the conventional cable connection structure; FIG. FIG. 5C is a side view of the connection pedestal of still another conventional cable connection structure of FIG. 4A as viewed from the right side of FIG.
FIG. 6 is a side view showing a part of another conventional cable connection structure of FIG. 4 (A) partially connected;
FIG. 6 is a side view showing yet another conventional cable connection structure of FIG.

[Explanation of symbols]

 Reference Signs List 50 outer housing 54 cable 56 cable side connection part 58 electronic device side connection part 63 engaging claw (locking means) 64 elastic engaging claw (locking means) 66 fixing releasing tool introduction opening 68 covering member 68b insertion / removal opening 72 reinforcing member 76 Closure member

Claims (4)

[Claims] An electronic device-side connection portion provided on an exterior housing of a wired hand-held electronic device; a cable-side connection portion provided at an extension end of a cable and connected to the electronic device-side connection portion; Locking means for fixing the connection between the device-side connection part and the cable-side connection part; a fixing release tool introduction opening provided in the exterior housing for introducing a tool for releasing the fixing by the locking means; A cover member detachably connected to cover the electronic device-side connection portion, the cable-side connection portion, the locking means, and the fixing release tool introduction opening, and the cable-side connection portion has a removably insertable / removable opening; A cable connection structure for a wired hand-held electronic device, comprising: 2. A cable-side connection part is inserted into an insertion / removal opening of a cover member for connection with the electronic-device-side connection part in at least one of a cable-side connection part and a portion of the cable adjacent to the cable-side connection part. 2. The cable connection structure for a wire-type hand-held electronic device according to claim 1, wherein a closing member that closes the insertion / removal opening when provided is provided. 3. The cable connection structure for a wire-type hand-held electronic device according to claim 2, wherein the closing member has an outer diameter larger than an inner diameter of the insertion opening of the cover member. 4. The cable according to claim 1, wherein a portion of the cable adjacent to the cable-side connection portion is provided with a bending reinforcing member that reinforces resistance to bending of the cable along the portion. Item 4. A cable connection structure for a wired hand-held electronic device according to any one of items 3.