JPH10255855A - Stand for charging - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a foreign object from being brought into contact with a charging terminal and the charging terminal from being brought into contact with a power supply terminal due to erroneous installation of an electronic apparatus on a base. SOLUTION: This stand 1 is formed with a base 2 to which an electronic apparatus 50 to be charged is loaded, a charging terminal 3 which is formed so as to be protruded from it and the power supply terminal 53 of the apparatus 50, and a locking protrusion 24 which is locked to the apparatus 50 so as to be locked and unlocked freely, and provided with a locking member 4 to which elasticity in such a direction as locking is made so as to be applied against the apparatus 50, a slider 5 which is formed to the base 2 so as to be in the vicinity of the terminal 3 and positioned toward the positioning side of the apparatus 50 than it, and is capable of being slid along in the positioning direction of the apparatus 50, an engaging protrusion 25 which is formed to it and engages with the engagement receiving part 33 of the locking member 4 from the positioning direction of the apparatus 50, and a spring 7 which energizes the slider 5 in a reverse direction to the positioning direction of the apparatus 50. The engagement receiving part 33 of the locking member 4 retreats from the engaging position with the engaging protrusion 25 by the contact of the engaging protrusion 24 with the electronic apparatus 50.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging stand for charging a battery of an electronic device such as a mobile phone.

[0002]

2. Description of the Related Art Portable electronic devices such as mobile phones, PHSs, pagers, and electronic organizers have a built-in battery composed of a secondary battery, and when the amount of stored power is reduced, the battery is charged from a charging stand. Is performed.

FIG. 14 shows a charging table 100 conventionally used, and a base 1 on which an electronic device 200 is mounted.
An inclined supporting surface 120 is formed on the electronic device 20.
0 is supported along the support surface 120 in an inclined manner to perform charging. The base 110 is provided with a charging terminal 130 for charging, a guide protrusion 140 for guiding the electronic device 200 to the charging position, and a lock member 150 for fixing the electronic device 200 at the charging position. I have.

The base 11 against which the bottom of the electronic device 200 contacts
0 from the contact surface 160 of the charging terminal 130.
The contact portion elastically contacts the power terminal 210 on the bottom surface of the electronic device 200 at the charging position.
The charging terminal 130 has a connection portion from the contact portion 130a introduced into the inside of the base 110, and a connection portion 130b at the base end portion of the charging terminal 130 has a pattern corresponding to the pattern of the printed wiring board 170 inserted into the base 110. It is connected.

[0005] The guide projection 140 protrudes from the contact surface 160 so as to approach the contact portion 130a of the charging terminal 130. The guide protrusion 140 is provided in the electronic device 200.
Of the power supply terminal 210 and the charging terminal 1 when the guide projection 140 is inserted into and engaged with the guide hole 220.
The electronic device 200 is guided so that 30 contacts.

The lock member 150 is formed so as to stand integrally with the base 110 between the contact surface 160 and the support surface 120. Engagement projection 150 that is engaged with stop hole 230
a is formed. The lock member 150 is provided with elasticity by rising from the base 110 below the support surface 120 via the slit 180, and the locking projection 150 a is elastically locked by the locking hole 230 of the electronic device 200. Thus, the electronic device 200 is fixed so as not to move.

[0007] The electronic device 200 is set on the charging table 100 by being lowered from above. The electronic device 200 is configured such that the guide protrusion 140 of the base 110 engages with the guide hole 220 so that the charging terminal 160 is provided.
The contact portion 160a of the lock member 150 contacts the power terminal 210 of the electronic device 200 and the locking protrusion 150a of the lock member 150.
Locks into the locking hole 230 of the electronic device 200. Thereby, the battery is charged while electronic device 200 is placed on base 110 supported along support surface 120.

[0008]

However, in the conventional charging stand, when the electronic device 200 is not set at a proper position due to inclination or the like, the contact portion 130a of the charging terminal 130 and the power supply terminal 210 are not connected. May come in contact with a low contact pressure. When they come into contact with each other at a low contact pressure, a contact resistance of several MΩ is generated at the contact portion, and a current flows from the secondary battery side of the electronic device to discharge. Therefore, there is a problem that the battery of the electronic device 200 is consumed without knowing it.

Further, since the contact portion 130a of the charging terminal 130 is exposed from the base 110, foreign matter may come into contact with the case, and the case of the electronic device 200 having a poor posture at the time of setting may easily come into direct contact with the case. There is also a problem that the charging terminal 130 is easily damaged by these abutments.

The present invention has been made in view of such conventional problems, and prevents the charging terminal and the power supply terminal from contacting each other when the electronic device is not set at a proper position, and also prevents foreign matter from being present. It is an object of the present invention to provide a charging stand having a structure capable of preventing an electronic device having a poor mounting posture from contacting a charging terminal.

[0011]

According to a first aspect of the present invention, there is provided a charging stand, comprising: a base on which an electronic device to be charged is placed; and a projecting shape provided on the base. ,
A charging terminal with which a power supply terminal of the electronic device is in contact, and a locking member formed with a locking projection that is detachably locked to the electronic device, and provided with elasticity in a direction to lock the electronic device, A slider which is provided on the base so as to be close to the charging terminal and located on the mounting side of the electronic device relative to the charging terminal, and which is slidable along the mounting direction of the electronic device; An engagement protrusion that is formed on the slider and engages with the engagement receiving portion of the lock member from the mounting direction of the electronic device, and a spring that biases the slider in a direction opposite to the mounting direction of the electronic device. The engagement receiving portion of the lock member is retracted from the engagement position with the engagement projection by the contact of the engagement projection with the electronic device.

In this structure, when the locking projection does not come into contact with the electronic device, the engagement projection of the slider engages with the engagement receiving portion of the lock member, so that the slider slides more than the charging terminal. Is regulated at the position on the mounting side. For this reason,
Foreign matter from the mounting side of the electronic device is prevented from approaching the charging terminal by the slider, and the foreign matter can be prevented from contacting the charging terminal.

When the electronic device is set in the correct position with respect to the charging stand, the electronic device abuts on the locking projection of the lock member, and the abutment causes the lock member to bend. Retreat from the engagement position with the engagement protrusion. Therefore, the slider can slide along the mounting direction of the electronic device, and can bend the charging terminal while pushing the electronic device into contact with the power terminal of the electronic device.

At a position where the charging terminal is bent by pushing the electronic device, the locking projection of the lock member is locked to the electronic device, and the electronic device is fixed, so that the charging terminal and the power supply terminal have high contact pressure. And the battery of the electronic device is charged.

If the user tries to mount the electronic device in an incorrect posture, the electronic device does not come into contact with the locking projection, and the slider that slides downward does not come into contact with the engagement receiving portion. The slide is regulated. For this reason, the slider located on the electronic device side does not contact the charging terminal, and the battery of the electronic device does not discharge.

According to a second aspect of the present invention, there is provided the charging platform according to the first aspect, wherein the guide stopper provided on the slider is engaged with the guide slit of the base to mount the electronic device. It is slidable along the placement direction,
The guide stopper is in contact with the inner surface of the guide slit, and the slide of the slider by the bias of the spring is regulated.

When the guide stopper and the guide slit are engaged, the slider slides stably along the mounting direction of the electronic device. The guide stopper is urged by a spring and abuts against the inner surface of the guide slit before setting the electronic device to which no external force is applied, thereby restricting the electronic device from sliding in the opposite mounting direction. Therefore, the slider can be kept at the position opposing the engagement receiving portion without the slider coming off the base due to the bias of the spring.

A charging stand according to a third aspect is the charging stand according to the first or second aspect, wherein the charging terminal and the power supply terminal are provided at opposing portions of the slider and the electronic device and are engaged with each other. And a guide member for guiding the electronic device on the slider so that the electronic device contacts the electronic device.

When the slider is retracted and the electronic device is set, the slider and the guide member provided on the electronic device are engaged with each other to guide the electronic device, and the power terminal is securely brought into contact with the charging terminal. be able to.

[0020]

1 to 6 show the configuration of an embodiment of a charging stand according to the present invention. This charging stand 1
Includes a base 2, a charging terminal 3, a lock member 4, a slider 5, a spring 7, and a guide member 8.

The base 2 has an upright block 9 on one side (right side).
Are formed in a rising shape, and a mounting block 10 that is lower than the upright portion 9 is formed on the other side.
The whole is made of insulating resin.

The mounting block 1 in the standing block 9
As shown in FIG. 1, a support surface 11 that is wide and is inclined in the direction of the mounting block 10 is formed on the 0 side, and a side surface 51 of the electronic device 50 is supported on the support surface 11 in an inclined manner. You. A guide slit 12 is formed in the center of the support surface 11, and auxiliary slits 13, 13 are formed on both lower sides in the vertical direction of the support surface 11 (see FIG. 3). Are guided vertically along the support surface 11. In addition, on both sides of the support surface 11, FIG.
As shown in FIG. 2, a side support wall 14 protruding in the direction of the mounting block 10 is formed, and the side support wall 14 prevents the electronic device 50 from falling down.

The mounting block 10 has a contact surface 15 facing the bottom surface 52 of the electronic device 50 formed on the upper surface thereof. The contact surface 15 is inclined at an angle orthogonal to the support surface 11 of the standing block 9, and the bottom surface 52 of the electronic device 50 is placed in a contact state, and the electronic device 50 is charged in this placed state. Will be The end (left end in FIG. 1) of the mounting block 10 opposite to the upright block 9 is a contact surface 1
The fall prevention wall 16 has a stepped height higher than that of the base 5, and the fall prevention wall 16 prevents the bottom surface 52 of the electronic device 50 from falling off the base 2.

As shown in FIG. 4, the charging terminal 3 is a pair of two terminals, and is disposed on the mounting block 10 of the base 2. Each charging terminal 3 is connected to a mounting block 10.
Has a curved contact portion 17 protruding upward from the contact surface 15 of the electronic device 50, and the contact portion 17 contacts the power supply terminal 53 of the electronic device 50 to charge the electronic device 50.

A connecting portion 18 is connected to the contact portion 17 in an oblique direction, and a connecting portion 19 is connected to the contact portion 17 by bending the end of the connecting portion 18. The connecting portion 18 and the connecting portion 19 are introduced inside the mounting block 10, and the connecting portion 19 is connected to a printed wiring board 20 inserted inside the base 2.

This connection is made by the legs 19a hanging from the connecting portion 19 penetrating through holes formed in the printed wiring board 20, and being soldered to the pattern of the printed wiring board 20. The printed wiring board 20 extends into the upright block 9, and a connector 21 is connected to an extended end of the printed circuit board 20 in a similar structure. The connector 21 is connected to a commercial power supply via an AC adapter (not shown), whereby a DC voltage is applied between the charging terminals 3.

The lock member 4 is integrally formed on the mounting block 10 side of the upright block 9 so as to protrude upward. The lock member 4 has a plate shape, and includes a rising portion 23 that rises vertically from the rising block 9, and a locking projection 24 formed at an upper end of the rising portion 23. A slit 22 is formed between the rising portion 23 and the standing block 9, and elasticity is imparted to the entire lock member 4. Therefore, the lock member 4 can be restored to the original state in which the lock member 4 stands upright even if it bends.

The locking projection 24 protrudes from the upper end of the rising portion 23 toward the mounting block 10. As shown in FIGS. 3 and 4, the locking projections 24 are a pair having an interval in the plate width direction of the rising portion 23. Is facing. When the electronic device 50 is mounted, the electronic device 50 is locked in the locking hole 54, and the electronic device 50 is locked. An engagement receiving portion 33 on a plane is formed between the pair of locking projections 24, and an engaging projection 25 of the slider 5 described later is placed on the engagement receiving portion 33, that is, the electronic device 50.
Are brought into contact with each other from the mounting direction, and the two are engaged by this contact.

As shown in FIGS. 4 and 5, the slider 5 is provided on the support surface 11 of the base 2 and slides along the same surface 11. The slider 5 is provided continuously below the slide portion 26. The cover 27 is formed integrally with the cover 27 which is bent in the direction of the mounting block 10 at an angle of about 90 °.

The slide portion 26 is inserted into a slide recess 28 formed in a concave shape on the support surface 11 of the base 2. The electronic device 50 slides in the mounting direction. A guide claw 29 and a guide stopper 30 protrude from the rear surface of the slide portion 26. Guide claws 29, 2
A pair 9 is provided on the left and right at positions corresponding to the auxiliary slits 13 formed on the support surface 11, and slides while passing through the auxiliary slits 13. By the guide claws 29, the slider 5 slides stably.

The guide stopper 30 is provided at a position corresponding to the guide slit 12 formed on the support surface 11,
It slides through the guide slit 12 similarly.
Therefore, the slide of the slider 5 is stabilized by the guide stopper 30, but the guide stopper 30
As shown in FIG. 1, the guide slit 12
Stops in contact with the inner surface of In a state before the electronic device 50 is mounted, the slider 5 is urged upward by a spring 7 described later, and the slider 5 stands by at a contact position of the guide stopper 30.

The guide claw 29 and the guide stopper 30 are each formed in a forked wedge shape as shown in FIG.
Auxiliary slit 13 and guide slit 12 at corresponding sites
It is prevented from slipping by inserting it through. Therefore, the slider 5 can be attached to the base 2 only by pressing the slide portion 26 against the slide recess 28.

The cover 27 of the slider 5 is perpendicular to the slide 26 and extends to a position close to the contact 17 of the charging terminal 3 protruding from the mounting block 10. At the center of the connecting portion between the slide portion 26 and the cover portion 27, an L-shaped cutout window 6 is formed,
The lock member 4 is inserted.

A guide projection 31 is formed on the upper surface of the cover 27. The guide protrusion 31 forms a guide member 8 together with a guide hole 55 formed in the electronic device 50. The guide protrusion 31 is inserted into the guide hole 55 and engaged with the power supply terminal 53.
The electronic device 50 is guided such that the charging terminal 3 comes into contact with the charging device 3.

The cover 27 is provided with the slide 2
6 and slide together. Then, by sliding in an obliquely downward direction, that is, along the mounting direction of the electronic device 50, as shown in FIG.
Is the same as the contact surface 15 of the mounting block 10. As a result, the cover portion 27 is connected to the contact portion 17 of the charging terminal 3.
Charging terminal 3 and power supply terminal 5
3 can be made. The cover 2
7 to secure downward movement of the mounting block 1
As shown in FIGS. 1 and 2, a recessed portion 32 into which the cover portion 27 can enter is formed at 0.

The above-described engaging projection 25 of the slider 5 is provided upright at an end of the cover 27 near the window hole 6. The upper end of the engagement protrusion 25 projects in the direction of the engagement receiving portion 33 of the lock member 4, and as shown in FIGS. 1 and 3, when the slider 5 is at the contact position of the guide stopper 30 described above. Enters the pair of locking projections 24,
The engagement protrusion 25 and the engagement receiving portion 33 are separated from each other with a slight gap. Therefore, when the slider 5 attempts to slide downward in this state, the engagement protrusion 25
Abuts on and engages with the engagement receiving portion 33 to restrict the slider 5 from sliding in the downward direction, that is, in the mounting direction of the electronic device 50.

The cover 27 is positioned at this restricted position.
It is located obliquely above the contact portion 17 of the charging terminal 3, that is, on the mounting side of the electronic device 50. In this manner, by positioning the cover 27 close to the contact portion 17 of the charging terminal 3 and on the mounting side of the electronic device 50, the electronic device 5
0 can be prevented from approaching the contact portion 17 from the mounting side of the contact terminal 0, and the foreign matter or the electronic device 50 does not come into contact with the contact portion 17, so that the charging terminal 3 is brought into contact with them. Damage can be prevented.

The spring 7 is, as shown in FIG.
Is inserted between the lower surface of the cover part 27 and the mounting block 10. Thus, the spring 7 functions as a return spring that biases the slider 5 to slide upward, that is, in the direction opposite to the mounting direction of the electronic device 50.

FIGS. 7 to 9 show an electronic device 50 used in this embodiment. This electronic device 50 is a mobile phone,
A portable communication device such as a PHS or the like is provided. On a bottom surface 52 of the portable communication device, a two-pole power supply terminal 53 that contacts the charging terminal 3 of the charging stand 1 is arranged. 8 are formed. On the side (front), a locking hole 54 is formed for locking the locking projection 24 of the charging stand 1. The locking hole 54 is formed on the inner side of a recess 56 formed by recessing the lower portion of the electronic device 50.

Next, the operation of this embodiment will be described with reference to FIGS. FIG. 10 shows a state before the electronic device 50 is placed, and the slider 5 is stopped at a position where the guide stopper 30 contacts the upper edge of the guide slit 12 by the action of the spring 7. At this stop position, the engagement projection 25 and the engagement receiving portion 33 of the lock member 4 are opposed to each other with a slight gap. In this state, the cover portion 27 of the slider 5 is at a position near the contact portion 17 of the charging terminal 3 and above the contact portion 17.

FIG. 11 shows a state in which the electronic device 50 is lowered in an incorrect posture. The bottom surface 52 of the electronic device 50 contacts the cover 27 of the slider 5 but does not contact the locking projection 24. For this reason, the engagement protrusion 25 comes into contact with the engagement receiving portion 33 so that both are engaged. Therefore, the downward movement of the slider 5 is restricted, and the charging terminal 3 and the power supply terminal 53 do not come into contact with each other. Accordingly, when the electronic device 50 is placed in an incorrect posture, the charging terminal 3 and the power supply terminal 53 do not unknowingly come into contact with each other with a light contact pressure.
Discharge from the 0 side can be prevented. Similarly, even if other foreign substances try to contact the charging terminal 3, the foreign substances are covered by the slider 5 whose movement is restricted downward, so that these foreign substances come into contact with each other to form a show or the charging terminal 3. 3 is not damaged.

FIG. 12 shows a state in which the electronic device 50 is mounted in a correct posture from the state shown in FIG. 10, and the corner of the concave portion 56 of the electronic device 50 is brought into contact with the locking projection 24 of the lock member 4 by this mounting. Abut This contact causes the entire lock member 4 to bend, and this bending causes the engagement receiving portion 33
Are retracted from the engagement position with the engagement protrusion 25. Therefore,
The slider 5 is slidable downward, and the slider 5 can be pushed in against the elasticity of the spring 7.

When the electronic device 50 is further pushed in, as shown in FIG. 13, the electronic device 50 is guided by the engagement between the guide projection 31 and the guide hole 55, and the charging terminal 3 and the power supply terminal 53 come into contact. . At the same time, the locking projection 24 of the lock member 4 is locked in the locking hole 54 of the electronic device 50, and the electronic device 50 is fixed, and charging is performed in this state. Since the electronic device 50 is fixed by the locking projection 24 so as not to come off, the charging terminal 3 and the power supply terminal 53 come into contact with a sufficiently high contact pressure, and the electronic device 50 is charged.

From the mounted state shown in FIG.
Can be removed by rotating the electronic device 50 as shown in the direction of the arrow in the figure, or by pulling it upward. That is, no matter which direction the electronic device 50 is moved, the locking between the locking protrusion 24 and the locking hole 54 is released, and the electronic device 50 can be extracted.

When the electronic device 50 is extracted, the slider 5
Is slid upward by the elasticity of the spring 7, and returns to the position where the guide stopper 30 abuts against the inner surface of the guide slit 12. The lock member 4 is returned by its own elasticity because the electronic device 50 in contact with the lock member 4 is pulled out.
The engagement receiving portion 33 returns to a position opposing the engagement protrusion 25.

As described above, in this embodiment, when the electronic device 50 is erroneously placed in an attitude, the charging terminal 3
And the power supply terminal 53 can be prevented from coming into contact with a light contact pressure, so that discharge of the electronic device due to the light contact can be prevented. In addition, when not in use, foreign substances and electronic devices can be prevented from coming into contact with the charging terminal 3, so that the charging terminal 3 can be prevented from being damaged.

[0047]

According to the present invention, by engaging the engagement projection of the slider with the engagement receiving portion of the lock member, the slider is held at a position closer to the mounting position of the electronic device than the charging terminal, The approach of the electronic device and the foreign matter to the charging terminal is prevented, so that the charging terminal can be prevented from being damaged by the contact thereof.

If the electronic device is not correctly set, the electronic device does not reliably come into contact with the locking projection of the lock member. The parts engage. For this reason, the slider does not slide, the power terminal of the electronic device and the charging terminal do not lightly contact, and discharge from the electronic device can be prevented.

Also, the mounting posture of the electronic device is determined by the locking projection that prevents the electronic device from being removed during charging.
It is possible to prevent damage to the charging terminal and discharge of the electronic device without increasing the number of components without providing another determination mechanism for determining the mounting posture.

[0050]

[Brief description of the drawings]

FIG. 1 is a central longitudinal sectional view of a charging stand 1 according to an embodiment of the present invention.

FIG. 2 is a sectional view showing a state where a slider 5 of FIG. 1 is pushed down.

FIG. 3 is a sectional view taken along a support surface 11 of the charging stand 1;

FIG. 4 is a sectional view taken along line AA of FIG. 2;

FIG. 5 is a sectional view taken along line BB of FIG. 4;

FIG. 6 is a longitudinal sectional view taken along the charging terminal 3.

7 is a front view of the electronic device 50. FIG.

8 is a side view of the electronic device 50. FIG.

9 is a bottom view of the electronic device 50. FIG.

FIG. 10 is a cross-sectional view before the electronic device 50 is mounted.

FIG. 11 is a longitudinal sectional view showing a state in which the electronic device 50 is about to be mounted in an incorrect posture.

FIG. 12 is a longitudinal sectional view showing a stage in which the electronic device 50 is mounted in an appropriate posture.

FIG. 13 is a longitudinal sectional view showing a charged state.

FIG. 14 is a longitudinal sectional view showing a conventional charging table 100.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Charging stand 2 Base 3 Charging terminal 4 Lock member 5 Slider 7 Spring 8 Guide member 12 Guide slit 24 Locking projection 25 Engaging projection 30 Guide stopper 33 Engagement receiving part 50 Electronic device 53 Power supply terminal

Claims (3)

[Claims] 1. A base (2) on which an electronic device (50) to be charged is mounted, and provided on the base (2) so as to protrude therefrom.
A charging terminal (3) with which a power terminal (53) of the charging device is in contact;
4) is formed, and a locking member (4) provided with elasticity in a direction for locking to the electronic device (50); and a charging terminal (3) close to the charging terminal (3).
A slider (5) that is provided on the base (2) so as to be located closer to the mounting side of the electronic device (50) and is slidable along the mounting direction of the electronic device (50). An engagement projection (25) formed on the slider (5) and engaged with the engagement receiving portion (33) of the lock member (4) from the mounting direction of the electronic device (50); And a spring (7) for urging the lock member (4) in a direction opposite to the mounting direction of the electronic device (50). 50) The charging stand is retracted from the position of engagement with the engagement projection (25) by contact with the charging stand. 2. The mounting direction of the electronic device (50) is such that a guide stopper (30) provided on the slider (5) is engaged with a guide slit (12) of the base (2). The guide stopper (30) comes into contact with the inner surface of the guide slit (12),
2. The charging stand according to claim 1, wherein the slide of the slider by the bias of the spring is restricted. The electronic device (50) is provided at a position where the slider (5) and the electronic device (50) are opposed to each other, and engages with each other so that the charging terminal (3) and the power terminal (53) come into contact with each other. )
A charging table according to claim 1 or 2, further comprising a guide member (8) for guiding the slider on a slider (5).