JP2001102770A - Method for fixing lid of portable equipment with waterproof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problems in which a lid opens naturally since it becomes loose easily, when force is applied by such added effective force of vibration and shock since a screw is made of a hard material, and a battery is not be replaced by a new one when an apparatus such as a coil and a driver is not available, since the battery ends its life and hence needs to be replaced by a new one, where the screw is used to fix the lid that plays a role of fixing and protecting the battery, when replacing the battery of portable equipment requiring waterproofing by a new one. SOLUTION: Since the method for fixing a lid being fixed to a body by manual rotation by using a screw instead of a tool, the entire head part of a rotor is covered with an elastic resin for sealing the periphery of the hole of the rotor, thus simplifying the structure, reducing the number of part items, and easily obtaining waterproof effect. Also, by increasing the shape of the head part for easily rotating the rotor, resistance against external shocks can be improved and design restriction can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small portable device driven by a battery as a power source, and more particularly, to a power source battery set, an opening / closing lid required for replacement, and a fixing portion which is waterproofed to a main body. Regarding how to fix.

[0002]

2. Description of the Related Art Conventionally, a small portable device which requires a waterproof function and is powered by a dry battery or a rechargeable battery is provided with a cylindrical shaft 26 as shown in FIG.
When one or a plurality of batteries 27 are connected in series in 6, the battery 27 is generally inserted from the front or rear end. Inside the portable device, there is an outer shaft 26 for storing the power battery 27, and at the rear of the portion for storing the power battery (the rear end portion of the main body of the small portable device),
A female screw 28 is provided. Further, a lid 29 is used to fix the battery 26 stored inside the main body of the portable device (the above-described power supply battery storage portion) and to prevent water droplets from entering the inside of the portable device. The cover 29 has the female screw 2 described above.
A male screw 30 that can be screwed with the screw 8 is engraved.
A conductive electrode spring or electrode terminal (not shown) for contacting the battery and driving the portable device is provided inside the male screw 30. As a screwing method, the power supply battery 27 is inserted into the portable device, and the packing 31 is inserted into the screw portion 30 of the lid 29. Screw part 3 of lid 29 with packing 31 inserted
The screw 29 of the shaft 26 is aligned with the screw 29, and the cover 29 can be tightened by rotating the cover 29 together with the screw.
The gasket 31 attached to the device was tightened and compressed to function as a waterproof structure.

The conventional example shown in FIG. 11 shows a pen-type portable terminal having a non-cylindrical appearance. In this case, even if the external shape is not cylindrical, the rear part (the rear end part of the main body of the small portable terminal) in which the power supply battery 27 is stored is circular, and the female screw 28 is provided. . Also, inside the main body of the pen-type portable terminal (the above-mentioned power battery storage part)
The lid 29a is used to fix the battery 27 stored in the pen-type portable terminal and to prevent water drops from entering the pen-type portable terminal. A male screw 30 that can be screwed with the female screw 28 described above is engraved on the lid 29a. As a screwing method, the power supply battery 27 is inserted into the pen-type portable terminal, and the lid 29a is inserted.
The packing 31 is inserted into the threaded portion 30 of FIG. Packing 31
The screw part 30 of the lid 29a into which the screw is inserted is aligned with the screw part 28 of the main body 26a, and the lid 29a can be tightened by rotating the lid 29a together with the screw. The packing 31 attached to the lid 29a is tightened and compressed. Functioned as a waterproof structure.

As shown in FIG. 12, there is also known one in which a hinge portion 34 is provided on a main body 32 and a lid 33. At the center of the lid 33, there is provided a knob 35 which can be moved up and down by an operator's finger (not shown).
Is opened and closed with the slide knob 35 at the center of the lid 33.
And fixed to the main body 32. The projecting portion of the lid 33 is
And the knob 35 is slid in the direction of the arrow 36 so that the projection 35a integrated with the knob 35 enters the concave portion 32a provided in the main body 32, and the cover 33
Lock. Also in this method, a packing (not shown) is provided on the wall surface of the lid 33, and when the lid 33 is closed, the packing is compressed to form a waterproof structure.

[0005] As shown in FIG. 13, a rotating body 38 is provided at the center of a lid 37, and the rotating body 38 has a coin 3 in a central groove 38 a.
9 is fixed to the main body 40 by rotating. FIG.
Indicates a state where the lid 37 is opened. Fixed body 3 on the back of lid 37
8, the fixing plate 41 is screwed, the lid 37 is closed in the direction of arrow 45, and the coin 39 is inserted into the fixing body 38 in the direction of arrow 43 in the groove 38a and rotated in the direction of arrow 44. The part 41 a can fix the lid 37 into the groove 40 a of the main body 40 to the main body 40. The same shape as the packing 31 shown in FIG. 10 is attached between the lid 37 and the rotating body 38 to make the lid 37 and the rotating body 38 waterproof. A packing 42 is provided between the main body 40 and the lid 37 to make it waterproof.

[0006]

In FIGS. 10 and 11, the packing is provided between the main body of the portable device and the lid, and the packing is compressed by tightening a screw portion of the lid and the main body. Since the drip-proof is attempted, the packing may be torn when the portable device main body and the lid are fitted, or the packing may be twisted and the drip-proof effect may be lost. Further, since the lid and the main body are completely separated when the battery is replaced, the lid may be eliminated when the battery is replaced.

In the apparatus disclosed in FIG. 12, a main body and a lid are opened and closed by a hinge, and a knob for sliding with a finger (not shown) of an operator or a part constituting a slide mechanism for fixing the lid and preventing drip. Packing to fix the two parts and prevent water from entering the slide mechanism from the outside,
The main body and the packing of the lid had to be provided separately, which increased the number of parts. In addition, since the electrode is provided on the lid side, the direction of the compressive force of the packing and the direction of the contact force of the electrode are reversed. If the contact pressure of the electrode is strong, the packing cannot be compressed, so that waterproofing cannot be performed.

In FIGS. 13 and 14, a coin or screwdriver to be rotated is inserted into a groove and rotated, and a rigid material which is not easily deformed is used. Easy to receive,
Easy to loosen. When the battery is replaced, the battery suddenly runs out of capacity and the replacement time comes. Therefore, there is a possibility that the battery cannot be replaced when the user does not have equipment such as a coin or a screwdriver. In addition, when the operator (not shown) opens and closes the lid, the operator cannot turn the lid or slide the lock while holding down the lid. Had a problem that the battery could not be replaced.

[0009]

SUMMARY OF THE INVENTION The present invention has been made in view of the conventional problems, and is a portable portable device having a power supply battery for driving the portable device and storing or replacing the battery. The portable device has a packing between the cover and the portable device main body, and the cover has an electrode for contacting a battery and energizing the battery. A power supply for performing a function provided in the device, a method of fixing a lid of a portable device having a waterproof structure of a portable device having a waterproof structure in which a head of a fixed body provided in the lid is covered with a circular elastic body. Is proposed.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A lid fixed to a portable device main body so as to be opened and closed is covered with an elastic body (rubber, urethane, elastomer resin, etc.) for fixing a head to the main body. The E-ring is attached so that the fixed body does not come out of the hole, and the cover and the main body are tightened with screws and fixed to the main body by turning the fixed body. When the lid is fixed to the main body, the elastic portion of the fixed body comes into close contact with the lid, so that waterproofing becomes possible. The fixed body has a shape protruding from the lid so as to be easily turned by a finger, and has a structure in which an elastic portion of the fixed body can absorb the shock when an external shock is applied.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Reference numeral 1 in FIG. 1 denotes a pen-type portable terminal main body, and a tip portion 2 of the pen-type portable terminal main body 1 is provided with a reading portion for reading a barcode. By pressing the switch 3 with an operator's finger (not shown), a bar code (not shown) is read with a pen tip, and the read data is displayed on the display unit 4 and provided on the pen-type portable terminal 1. The data is stored in a memory (not shown). The infrared communication part 5
This is for transferring the read and accumulated data to a totaling device such as a personal computer (not shown) using an infrared signal. Reference numeral 6 is a hole for producing a warning sound during operation. Reference numeral 7 denotes a fixed dial for fixing the pen-type portable terminal 1 and the lid 8.

The configuration of the pen-type portable terminal body 1 (hereinafter referred to as the body) and the lid 8 will be described with reference to FIGS. The fixed dial 7 has a screw portion 7a and a shaft portion 7b integrated with an elastic resin. The male screw portion 7a of the fixed dial 7 is passed through a hole 8a provided in the lid 8, and the fixed dial 7 is secured to the shaft portion 7b by an E-ring 9 so as not to come off. Reference numeral 10 is a packing between the pen-type portable terminal 1 and the lid 8. Reference numeral 11 denotes an electrode plate which is fixed to the lid 8 by being fastened together with the packing 10 with screws 12a and 12b.

The cover 8 has a rotating part 8 c provided on the main body 1 with a rotating shaft 13.
And the lid 8 rotates about the rotation shaft 13. The main body 1 has a holder 15 which is inserted through the opening 1a and to which a liquid crystal, a substrate or the like (not shown) is fixed.
5 has an opening 15a into which the battery 14 can be inserted. The holder 15 has the fixing plate 16 attached to the groove 1b of the main body 1 and the screw 1
It is fixed to the holder 16 by 2c and 12d. Fixing plate 1
6 is provided with a female screw 16a so that the fixed dial male screw portion 7a is tightened when the lid 8 is closed.

A method of fixing the lid 8 to the main body 1 will be described with reference to FIGS. The battery 14 is inserted into the holder opening 15a in the direction of arrow 20 and the lid 8 is closed in the direction of arrow 21. The packing 10 is press-fitted into the main body opening 1a. The electrode plate 11 inside the lid 8 contacts the battery 14 with a spring 17 connected to a substrate (not shown) to supply electricity. When the fixed dial 7 is turned in the direction of arrow 19 with the lid 8 closed, the male screw 7a of the fixed dial 7 is fastened to the female screw 16a of the fixed plate 16 so that the lid 8 can be fixed.

A waterproofing method will be described with reference to FIGS. The fixed dial 7 is a screw formed by integrating an elastic resin over the entire screw head 7d. The recess at the center of the screw head is provided so that the elastic body and the screw do not run idle. When the cover 8 is turned to fix the packing 10, the packing 10 is compressed and the space between the main body 1 and the cover 8 is waterproofed. At the same time, the lower surface portion 7c of the fixed dial contacts between the cover 8 and the fixed dial 7 by the projection 8b of the cover 8. The surface 7c, which is an elastic body, is so closely pushed up that water can be prevented from entering through the hole 8b of the lid 8.

FIGS. 6 and 7 show a second embodiment. By making the dial 20 a rectangular portion 20a with a slope instead of a screw, it matches the rectangular portion 21a of the fixing plate 21 when the lid is closed, and picks up the protrusion 20b of the dial 20 with a finger, and arrow 2
When pressed in two directions, the elastic part of the dial 20 is bent.
When 0a enters the lower side (not shown) of the rectangular portion 21a of the fixing plate 21, waterproofing and fixing of the lid become possible, and work efficiency can be improved by reducing the number of times of turning the dial 20.

FIG. 8 shows a third embodiment. In order to enhance the adhesion to the lid 24 and enhance the waterproofing, the projection 25a is doubled in the entire circumferential direction on the lower surface of the elastic body of the dial 25, and the projection 24a of the lid 24 in the entire circumferential direction is sandwiched between the projections 25a. And the dial 25 can be more reliably waterproofed.

FIG. 9 shows an embodiment in which the dial portion is enlarged in order to make it more resistant to external impacts, and the elastic portion makes it easier to absorb impacts. Further, depending on the fixing position, the cover can be formed so as to cover the entire lid, and the fixing shaft for fixing the lid and the main body can be eliminated.

[0019]

Since the present invention has the above-mentioned structure, the drip-proof packing is not worn or twisted, and the lid is attached to the portable device main body. There is no. In addition, the waterproof structure is simple, so the number of parts can be reduced.By using an elastic body as a fixed body, it is resistant to external shocks, has little deformation when used repeatedly, and the operator does not use equipment. Because it opens and closes by hand, the finger does not hurt and the lid can be easily opened and closed. Since the shape can be made larger than the case, design restrictions are reduced, and since the elastic body is larger than the case, it is resistant to external impact.

[Brief description of the drawings]

FIG. 1 shows a first embodiment.

FIG. 2 is a configuration diagram of a lid.

FIG. 3 is a configuration diagram of a lid.

FIG. 4 is an explanatory view of a method of fixing a lid.

FIG. 5 is a diagram showing a waterproof structure.

FIG. 6 shows a second embodiment.

FIG. 7 shows a second embodiment.

FIG. 8 shows a third embodiment.

FIG. 9 shows another embodiment.

FIG. 10: Conventional example

FIG. 11 is a conventional example.

FIG. 12: Conventional example

FIG. 13: Conventional example

FIG. 14: Conventional example

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Small portable terminal main body 2 Barcode reading part 3 Switch 4 Infrared communication part 5 Packing 6 Lid 7 Battery 8 Opening 9 Groove 10 Hook 11 Axis 12 Bearing 13 Screw 14 Electrode plate 15 Battery spring 16 Substrate 17 Terminal 18 Electrode spring 19 Arrow Reference Signs List 20 internal body surface 21 packing protrusion 22 main body upper surface 23 packing contact surface 24 lid 25 dial 26 outer shaft 27 battery 28 female screw 29 lid 30 screw portion 31 packing 32 main body 33 lid 34 hinge portion 35 slide knob 36 arrow 37 lid 38 rotating body 39 Coin 40 body

Claims (1)

[Claims] 1. A portable portable device having a power supply battery for driving the portable device, and a lid provided for storing or replacing the battery, and a main body of the portable device. An electrode for contacting a battery and energizing the battery is provided on the lid, and a power supply for performing a function provided in the portable device when the lid is closed is provided on the lid. A method of fixing a lid of a portable device having a waterproof structure, wherein a head of the fixed body has a waterproof structure covered with a circular elastic body.