JPH07115676A - Portable terminal equipment - Google Patents

Abstract

PURPOSE:To simplify the engaging part of a power supply battery, to prove assemblability and to prevent the intrusion of rainwater to an inside by housing a slide lock provided with a locking pawl part for locking the power supply battery and the energizing means in the closed recessed part of the main body of a terminal equipment and engaging a slide knob from an outside. CONSTITUTION:The coil part 66 of a twisted spring 65 is fit in the spring housing recessed part 58 of the slide lock 57, both tip parts 67 are fit to the closed recessed part 52 of the main body 6 of this terminal equipment and the tip parts 67 of the spring 65 are pressed to the bottom part 68 of the recessed part 52. The cylindrical projection 71 and engaging projections 73 of the slide knob 14 are matched to an elliptic hole 54 and rectangular holes 55 and inserted towards the recessed part 53 on the back surface of the main body 6 and the through-hole 59 and through-rectangular-holes 61 of the lock 57 already fit to the recessed part 52 are fit. The projection 71 is fit to a round hole 59 without clearance and both projections 73 are fit to the rectangular holes 61. At the time, engaging pawls 72 at the tip of the projections 73 are brought in contact with the wall surfaces of the holes 61 and bend in a direction for making the tip parts of the projections 73 come close. When the pawls 7 pass through the holes 61, they recover in the direction for separating the projections 73, the pawls 72 are engaged with molding stage part 62 and the knob 14 is connected with the lock 57 and loosely engaged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal device to which a power battery for supplying power is detachably attached.

A portable terminal device such as a portable wireless communication device or a portable information processing device requires a power supply battery for power supply. As the power source battery, a primary battery and a secondary battery are used, but generally, a secondary battery that can be repeatedly used by charging is used.

The power supply battery is formed into a pack for easy replacement in a one-touch type for replacement use with a primary battery or replacement use between secondary batteries. In this way, the secondary battery can be charged by being attached to the charging device in an arbitrary state even when it is attached to the main body of the terminal device or as a stand-alone battery.

FIG. 4 is an external perspective view of a portable terminal device for a wireless telephone. Referring to FIG. 4 (a), the portable terminal device 1 for wireless telephone includes a speaker portion 2 for receiving, a liquid crystal display portion 3, a dial key portion 4, and a microphone portion 5 for transmitting in order from the front side. The terminal device body 6 includes a power supply battery 7 on the back side and a pull-out type antenna 8 on the upper side.
Consists of.

The terminal device body 6 has a telephone function circuit and a transmission / reception circuit for wireless communication. A cover 9 for protecting the dial key portion 4 is provided around the lower front side as a center of rotation, and when used, the cover 9 opens in the state of FIG.
FIG. 2B shows the cover 9 being opened and closed.

FIG. 5 is a rear view of a portable terminal device for a wireless telephone, in which a power supply battery 7 is detachably attached to the back surface of a terminal device body 6. A strap 11 that can be worn on the hand is attached above the terminal device body 6 for convenience of carrying.

A charging terminal 12 is provided at the lower end of the rear surface of the power supply battery 7 in an exposed state so that the power supply battery 7 can be charged by being mounted on the charging device or by the power supply battery alone. To remove the power battery 7, slide the upper slide knob 14 in the direction of the triangular arrow and push it up,
It can be easily removed by pinching the protrusions 15 provided on both sides of the power supply battery 7 with fingers and pulling the protrusions 15 toward the back side.

FIG. 6 is a perspective view showing a state where the power battery 7 is removed. FIG. 1A shows a state in which the power supply battery 7 is turned upside down and viewed from the inner surface side, and a power supply terminal 16 for supplying and connecting power to the terminal device body 6 is provided below. Engagement recesses 17 are provided at two locations on the lower end surface, and one locking recess 18 is provided at the upper end surface.

FIG. 1B shows the terminal device body 6 with the power battery 7 removed, and the power battery accommodating portion 21 is well shown. Below the inside is the power supply battery power terminal 16
There is a terminal 22 connected to the
Engagement protrusions 23 are provided at the points.

When the slide knob 14 is slid with a finger in the direction of a triangular arrow 24 formed on the surface of the upper slide knob 14, the lock claw portion 25 projecting on the inner surface of the power supply battery accommodating portion 21 becomes a terminal device. The retracted position is drawn inside the main body 6. When the finger is released from the slide knob 14, the lock claw portion 25 urged by the internal spring is advanced to the illustrated state.

The power supply battery 7 is attached by engaging the engaging recesses 17 with the lower engaging protrusions 23 of the terminal device body 6 and engaging the upper locking recesses 18 with the locking claws 25. The terminal 22 is brought into spring contact with the terminal 16 and the power is supplied.

In order to remove the power supply battery 7, the slide knob 14 is pushed up as described above, and the lock claw portion 25 is moved to the retracted position, so that the projection 15 of the power supply battery 7 is pinched from both sides and the engagement projection 23 is formed. The engaging relationship with the engaging recess 17 is removed and the engaging recess 17 is taken out.

In order to mount the power supply battery 7 again, first, the power supply terminal 16 and the terminal 22 are made to face each other, the engagement recess 17 is engaged with the engagement protrusion 23, and the power supply battery accommodating portion 21 is provided.
By pushing the lock claw portion 25 in the retracted direction to bring the lock claw portion 25 into the housed state, the lock claw portion 25 automatically advances into the lock recess 18 and enters the locked state.

[0014]

2. Description of the Related Art A conventional power supply battery mounting structure for a portable terminal device will be described with reference to FIG. A hole 33 is formed in the housing 31 of the terminal device body portion 6 so that the slide lock 32 projects the lock claw portion 25 at the tip end into the power supply battery accommodating portion 21.
And the torsion spring 35 on the columnar protrusion 34.
The coil portion 36 of the is fitted and both tips 37 are attached to the housing 31.
Applied to the inner wall of the.

The slide knob 14 is fitted in the recess 38 on the back side of the housing 31, and the rectangular protrusion 39 is formed in the through hole 41 of the housing.
And is fitted into the square hole 42 of the slide lock 32 inside. This state is shown in FIG. 7 (a).

Then, the tip end of the protrusion 39 of the slide knob 14 is melted by an ultrasonic welding device to be processed into the shape shown in FIG. As a result, the slide lock 32 is slid together by sliding the slide knob 14 from the outside, the lock claw portion 25 is retracted from the power supply battery accommodating portion 21, and the torsion spring 35 moves to the advanced position by releasing the finger.

Since the lock claw portion 25 is formed with the inclined surface 43, the slide lock 32 is pushed in the retreating direction against the torsion spring 35 by pushing the power supply battery 7 into the housing portion 21. Can be fitted. The slide lock 32 is moved to the advanced position by the torsion spring 35, and the lock claw portion 25 is moved to the lock recess 18 of the power battery 7.
The power supply battery 7 is inserted into and locked in the mounting position.

[0018]

According to the above-mentioned conventional structure, the protrusion 39 of the slide knob 14 penetrates the wall surface of the housing 31, engages with the slide lock 32 inside, and the slide lock 32. Since the lock claw portion 25 of the above also penetrates the hole 33, the inside and the outside of the housing 31 are communicated by these holes 41 and 33.

Since the portable terminal device is used both indoors and outdoors, and when it is used outdoors, it is also used in the rain, so that rainwater may enter the inside through the through hole. is there. Thus, when rainwater enters the inside, inconveniences such as insulation failure, short circuit failure, and change in characteristics occur. Further, the melt-bonding causes troublesome assembling and an increase in working time.

It is an object of the present invention to provide a portable terminal device having a simple structure which is easy to assemble without such rainwater entering.

[0021]

The object of the present invention to solve the above-mentioned problems is to provide a portable terminal device in which a power supply battery for supplying power is detachably attached to the terminal device body. A slide lock having a lock claw portion that is housed from the opening in the power supply battery accommodating portion of the main body of the apparatus and is retractable at the tip of the power supply battery accommodating portion, and the lock claw portion is elastically attached in the advancing direction. The problem can be solved by providing a biasing means for biasing and a slide knob for engaging the slide lock from the outside of the terminal device body and sliding the slide lock to the retracted position.

[0022]

According to the above-mentioned structure of the present invention, the slide lock is inserted and accommodated in the closed recess opening in the power supply battery accommodating portion, and the slide knob is engaged with the slide lock from the outside of the terminal device main body. Since they are integrated, the assembly is easy, and since there is no hole that communicates with the inside of the terminal device body, there is no intrusion of rainwater or the like.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The portable terminal device of the present invention will be described in detail below with reference to the drawings by way of specific embodiments based on the gist of the configuration. The preferred embodiment of the present invention will be described with reference to the portable telephone terminal 1 for wireless telephones shown in FIGS.

FIG. 1 is a side sectional view showing an essential part of a portable terminal device of the present invention, and FIG. 2 is a perspective view showing a separated state of each part when viewed from the opposite direction to FIG. Hereinafter, description will be made with reference to FIG.

FIG. 1A is a side cross-sectional view of only the housing 51 of the terminal device main body 6 and shows the power supply battery accommodating portion 21.
An independent rectangular closed recess 52 opening to the
A recess 53 on the back surface of the same, an oval hole 54 that connects the closed recess 52 and the recess 53, and rectangular holes 55 and 55 that are formed on the left and right of the oval hole 54 as a center and also communicate with each other. The housing 51 provided is a synthetic resin molded product.

Slide lock 57 made of synthetic resin molding
At the tip of the lock claw portion 25, on the opposite side a semi-circular spring accommodating recess 58, at the central through-hole 59, at the left and right through-rectangular holes 61, 61, and from the forming step portion extending to both sides. 62 and 62, and four protruding from the four corners of the upper surface of FIG.
It consists of individual protrusions 63. The lock claw portion 25 is formed with an inclined surface 64 directed toward the back side.

Spring accommodation recess 5 of this slide lock 57
8 is fitted with the coil portion 66 of the torsion spring 65, both tip portions 67 are fitted into the closing recesses 52 of the terminal device body 6 in the state of FIG. 1B, and the tip portion 67 of the torsion spring 65 is closed. It is pressed against the bottom 68 of the recess 52.

As shown in FIG. 2, the slide knob 14 has a cylindrical protrusion 71 at the center and engaging claws 72 on both sides thereof.
Is a synthetic resin molded product including an engaging projection 73 having a tip at the end.

The cylindrical protrusion 71 and the engaging protrusion 73 of the slide knob 14 are inserted into the recess 53 on the rear surface of the terminal device body 6 in alignment with the oblong hole 54 and the rectangular hole 55, and are already closed. The slide lock 57 is fitted into the recess 52 and is fitted into the through round hole 59 and the through rectangular hole 61.

The cylindrical protrusion 71 fits into the through round hole 59 without any gap, and both engaging protrusions 73 fit into the through rectangular hole 61. In this case, the engaging claw 72 formed at the tip of the engaging protrusion 73 is in contact with the wall surface of the through rectangular hole 61, and is elastically bent in the direction in which the leading ends of the engaging protrusion 73 approach each other.

When the engaging claws 72 pass through the through rectangular holes 61, the elastic deformations of the engaging projections 73 return in the directions in which they separate from each other, and the engaging claws 72 engage with the forming stepped portion 62 so that the slide knob 14 moves. It is coupled with the slide lock 57 and prevented from coming off. This state is shown in the state of FIG. 1B and is similar to the state of FIG.

Referring to FIG. 6, the engaging protrusion 2 of the terminal device body 6
3 is engaged with the engaging recess 17 of the power supply battery 7,
By pressing the upper part of the lock claw 25 against the lock claw 25, as shown in FIG.
Then, the slide lock 57 is pushed against the pushing force of the torsion spring 65, and the power supply battery 7 is housed and mounted in the power supply battery housing portion 21.

This state is often shown in the enlarged rear view of the main part of FIG. As shown in FIG. 3, the closed recess 52 is open only in the power supply battery accommodating portion 21, and has no portion communicating with the inside of the terminal device body.

Further, both upper and lower sides of the slide knob 14 in the drawing fit with both sides of the recess 53 of the housing 51 to regulate and guide the left and right slides so as not to tilt. The cylindrical protrusion 71 of the slide knob 14 is an elliptical hole 54 of the housing 51.
Defines the moving position range. As for the torsion spring 65, the spring accommodating recess 5 of the slide lock 57 is also included.
It is also shown in Fig. 8 that it is stored in a stable state and does not move.

The protrusions 63 formed at the four corners of the slide lock 57 are designed so as not to come into surface contact with each other during sliding movement, thereby reducing the contact resistance.

[0036]

As described above in detail, according to the portable terminal device of the present invention, the terminal device body is provided with the slide lock having the lock claw portion for locking the power supply battery and the biasing means for biasing the slide lock. Since the slide knob is housed in the closing recess and the slide knob for slidingly moving the slide lock is engaged from the outside of the terminal device body, it has no communication hole with the inside of the terminal device body. Since it does not exist, rainwater from the outside does not enter, and it is easy to assemble, so that it is extremely effective when applied to a portable terminal device.

Needless to say, the present invention is not limited to a portable terminal device for a wireless telephone, but includes one applicable to various portable terminal devices having a removable power supply battery. is there.

[Brief description of drawings]

FIG. 1 is a sectional view of a main part of a portable terminal device of the present invention.

FIG. 2 is an exploded perspective view of each part according to the present invention.

FIG. 3 is a rear view of the main part of the present invention.

FIG. 4 is an external perspective view of a portable terminal device for a wireless telephone.

FIG. 5 is a rear view of a portable terminal device for a wireless telephone.

6 is a perspective view showing a state in which a power supply battery is removed from the portable terminal device for a wireless telephone shown in FIG.

FIG. 7 is a sectional view of a main part of a conventional portable terminal device.

[Figure 8] Moving parts diagram

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Portable terminal device for wireless telephone 6 Terminal device main body 7 Power battery 14 Slide knob 17 Engagement recess 18 Lock recess 21 Power supply battery accommodating part 23 Engagement protrusion 24 Triangular arrow 25 Lock claw part 51 Housing 52 Closure recess Place 53 Recess 54 Elliptical hole 55 Rectangular hole 57 Slide lock 58 Spring accommodation recess 59 Through round hole 61 Through rectangular hole 62 Forming step 63 Protrusion 65 Torsion spring 66 Coil portion 68 Bottom 71 Cylindrical protrusion 72 Engaging claw 73 Engagement Compound protrusion

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location H04M 1/02 C

Claims (1)

[Claims] 1. A portable terminal device in which a power supply battery (7) for supplying power is detachably attached to the terminal device body (6), which is opened in a power supply battery accommodating portion (21) of the terminal device body (6). A slide lock (57) having a lock claw portion (25) housed in the closed recess (52) through the opening and capable of retracting into and from the power supply battery housing portion (21) at the tip and the lock claw portion is elastic in the advancing direction. The biasing means (65) for biasing the slide lock (5) from the outside of the terminal device body (6).
A portable terminal device, comprising: a slide knob (14) which is engaged with (7) and slides the slide lock to a retracted position.