JPH1145692A - Feed terminal for portable electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a feed terminal for portable electronic equipment with improved operability, appearance and versatility and the reduced cost of a product. SOLUTION: One conductive spring wire rod is bent at one side to be stored in one plane to form a fixed portion 4. The spring wire rod is extended at the outer side from a plane perpendicular to the plane formed by the fixed portion 4 to the opposite direction of the fixed portion 4 to be formed into a spiral shape, gradually reduced in diameter, to form a battery connection 3. A negative electrode feed terminal 1 is constructed by the fixed portion 4 and the battery connection 3 and the battery connection 3 is protruded near the cut portion of the minimum-diameter terminal thereof toward the fixed portion 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply terminal of a portable electronic device using a battery as a main power source, and more particularly, to a portable type device which does not catch and damage the battery when the battery is removed. The present invention relates to a power supply terminal of an electronic device.

[0002]

2. Description of the Related Art A power supply terminal in a portable electronic device using a battery as a main power supply is made of, for example, a conductive spring wire. Then, the battery connection part of the power supply terminal on the negative electrode side of the battery is formed in a spiral shape, a straight line part is formed almost at the center of the reduced minimum diameter to the vicinity of the inner diameter of the minimum diameter, and at the tip of the spring wire. Is provided with a cutting portion.

[0003]

According to the power supply terminal of the portable electronic device configured as described above, when the battery is to be removed from the negative electrode side, the cut portion at the tip of the power supply terminal is caught by the coating of the battery, If the battery cannot be removed, the operability will be reduced.If it can be removed, the coating will be damaged or torn, resulting in poor appearance.In addition, the location of the cut will damage the battery coating. Is not stable,
There is a problem that the versatility of the shape of the power supply terminal is poor for devices having different battery removal directions, leading to an increase in cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and when the battery is removed from the negative electrode side, the battery can be taken out smoothly, the operability is improved, and the appearance of the battery is not damaged. It is an object of the present invention to obtain a power supply terminal in a portable electronic device that can be expected to improve the versatility of the power supply terminal and to reduce the cost of a product.

[0005]

A power supply terminal in a portable electronic device according to the present invention has a negative power supply terminal and a positive power supply terminal, and the power supply terminal supports both electrodes of a battery and supplies power. It relates to a battery storage part, and forms a fixed part by bending one side of one conductive spring wire so as to fit in one plane,
From the plane perpendicular to the plane formed by the fixing part, the other side of the spring wire extends in the opposite direction to the fixing part and is formed into a spiral shape having a diameter gradually reduced to form a battery connection part. A negative power supply terminal was formed by the fixing portion and the battery connection portion, and the vicinity of the terminal cutting portion of the minimum diameter portion of the battery connection portion was protruded toward the fixing portion.

When the battery is removed from the battery housing, the battery contact portion of the negative power supply terminal slides on the negative electrode surface of the battery, smoothly passes without being caught in the concave portion of the battery, and the removal of the battery is completed.

In the above case, the vicinity of the terminal cut portion of the minimum diameter portion of the battery connecting portion is formed in a linear shape orthogonal to the plane formed by the fixing portion, and the straight portion is bent from the middle thereof toward the fixing portion. The part was composed. When the battery is removed from the battery compartment, the straight part of the battery contact part of the negative power supply terminal slides on the negative electrode surface of the battery, and the bent part of the bent part falls into the concave part of the battery. ,
The bent portion smoothly passes without being caught in the concave portion of the battery, and the removal of the battery is completed.

At this time, the straight portion is bent from substantially the center of the minimum diameter portion toward the fixed portion to form a bent portion, and the value of the bending angle α of the bent portion is determined when the battery is taken out. The value of the angle β between the long axis direction of the battery and the bottom surface of the battery housing portion when the bent portion of the bent portion falls into the concave portion formed at the boundary portion of the coating, and the value when the battery is stored in the proper position The angle γ between the negative electrode surface and the straight part when the bent part of the bent part falls into the concave part of the battery when removing the battery
May be equal to or greater than the sum of the values.

When the battery is removed from the battery housing, the straight portion of the battery contact portion of the negative power supply terminal slides on the negative electrode surface of the battery, and the bent portion of the bent portion having the bending angle α falls into the concave portion of the battery. When the battery is further rotated, the bent portion passes smoothly without being caught in the concave portion of the battery, and the removal of the battery is completed.

At this time, a bent portion may be formed by bending the straight portion so as to form an angle of 90 degrees toward the fixed portion at a position slightly near the center of the minimum diameter portion and slightly near the terminal cutting portion. When the battery is taken out of the battery housing, the straight portion of the battery contact portion of the negative power supply terminal slides on the negative electrode surface of the battery, and the bent portion having a bending angle of 90 degrees falls into the concave portion of the battery. When the is rotated, the bent portion smoothly passes without being caught in the concave portion of the battery, and the removal of the battery is completed.

At this time, the bent portion may be formed by bending the straight portion from the vicinity of the center of the minimum diameter portion and slightly near the terminal cutting portion so as to form an angle of 180 ° toward the fixed portion. When the battery is removed from the battery housing, the straight portion of the battery contact portion of the negative power supply terminal slides on the negative electrode surface of the battery, and the bent portion having a bending angle of 180 degrees falls into the concave portion of the battery. When the is rotated, the bent portion smoothly passes without being caught in the concave portion of the battery, and the removal of the battery is completed.

Further, in the above case, the vicinity of the terminal cut portion of the minimum diameter portion of the battery connection portion is formed in a reduced diameter spiral shape on a plane orthogonal to the plane formed by the fixing portion, and the spiral portion is formed in the middle thereof. To form a rear spiral extending portion by projecting toward the fixed portion. When removing the battery from the battery compartment,
The spiral part of the battery contact part of the negative power supply terminal slides on the negative electrode surface of the battery, and the extension point of the spiral part falls into the concave part of the battery,
When the battery is further rotated from here, the extension point portion smoothly passes without being caught in the concave portion of the battery, and the removal of the battery is completed.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. 1 is an exploded perspective view of Embodiment 1 of the present invention, and FIG.
FIGS. 3 and 4 are plan views, rear views, and side views of the essential parts of FIG. Reference numerals 1 and 1a denote a negative power supply terminal and a positive power supply terminal of a portable electronic device having a battery 2 as a main current, each of which is formed by bending a single conductive spring wire, and each of which is a battery connection portion 3, 3a. And the fixing portions 4 and 4a.

The power supply terminals 1 and 1a are fitted into power supply terminal insertion portions 7a and 7b at both ends of a battery housing portion 6 provided in the case body 5, and the fixed portions 4 and 4a are connected to the battery housing portion 6a. Of the printed circuit board 9 fixed above the power supply terminal mounting portions 8a and 8b of the case body 5 and the fixing portions 4 and 4a.
0a, 10b and a plurality of ribs 1 inscribed in the cover 11
2a, 12b and screws 13a, 13b
Joined by Reference numeral 14 denotes an openable and closable opening provided in the cover 11. The battery 2 is housed in the battery housing 6 through the opening 14, the negative electrode 2a of the battery 2 contacts the negative power supply terminal 1, and the positive electrode 2b It contacts positive electrode power supply terminal 1a.

Next, the configuration of the negative electrode power supply terminal 1 will be described in detail. The fixed portion 4 of the negative power supply terminal 1 is formed in a state where one side of the conductive spring wire is bent several times at a substantially right angle on one plane, and the one conductive portion 10a of the printed circuit board 9 is formed.
Is in contact with The battery connecting portion 3 has a spiral shape in which the other side of the conductive spring wire extends in a direction opposite to the fixing portion 4 from a plane perpendicular to a plane formed by the fixing portion 4 and is sequentially reduced in diameter. Is formed.

A linear portion 16 is formed on the reduced minimum diameter portion 15 at right angles to the plane formed by the fixing portion 4 (parallel to the negative electrode 2a surface). The portion is a cut portion 17 of the end of the spring wire. The straight portion 16 is formed through the center of the minimum diameter portion 15 to the vicinity of the inner diameter. The straight portion 16 is bent from the vicinity of the center of the straight portion 16 in the direction of the fixing portion 4 by the bending portion 18 to form the bent portion 19. The cut portion 17 formed at the end of the bent portion 19 faces the fixed portion 4.

At this time, the bent portion 19 is
Is bent in the direction of the fixing portion 4, that is, the bending angle α in the bent portion 18 is, as shown in FIG.
a side of the negative electrode 2a of the battery 2 and the coating 2
The angle β formed between the long axis direction of the battery 2 and the bottom surface 22 of the battery housing portion 6 when the bent portion 18 falls into the concave portion 21 at the boundary of 0, and the battery 2 is housed in a regular position shown in FIG. 4 is equal to the value indicated by the sum of the angle γ between the straight portion 16 when the bending is performed and the straight portion 16 displaced when the bent portion 18 falls into the concave portion 21 of the battery 2 as shown in FIG. It is desirable to make the value larger than that.

The operation of the first embodiment configured as described above will be described. First, as shown in FIG. 3, when the battery 2 is stored in a proper position, the battery contact portion 3 of the negative power supply terminal 1 is compressed toward the fixing portion 4 by the negative electrode 2 a surface of the battery 2. When the battery 2 is taken out from this state in the direction of arrow A as shown in FIG. 4, the battery contact portion 3 of the negative electrode power supply terminal 1 is slightly displaced in the direction A by the reaction force and the frictional force on the negative electrode 2a surface of the battery 2. .

The straight portion 16 of the battery contact portion 3 slides on the surface of the negative electrode 2a of the battery 2, and the bent portion 18 of the bent portion 19
As shown in FIG. 4, once falls into a concave portion 21 located at the boundary between the surface of the negative electrode 2 a of the battery 2 and the coating 20, or is in a bridging state, and is pressed against it. further,
When the battery 2 is rotated in the direction A, the bent portion 18 of the negative electrode power supply terminal 1 smoothly passes through the concave portion 21 and the coating 20 of the battery 2 without being caught and returns to the position before compression, and
Removal is completed.

According to the first embodiment, when the battery 2 is removed from the surface of the negative electrode 2a in the negative power supply terminal 1 of the portable electronic device, the cutting portion 17 of the battery connecting portion 3
It can be smoothly removed at all times without being caught on the coating 20 of the cover, and the operability is improved. Battery 2
After removal, the coating 20 of the battery 2 is not damaged or broken, and the appearance of the battery 2 is improved. Furthermore, since the direction of the cutting portion 17 can be used for similar devices regardless of the direction in which the battery 2 is removed, the versatility of the negative electrode power supply terminal 1 can be improved and the cost can be reduced.

Second Embodiment FIG. 5 is a plan view, a rear view, and a side view of a main part of a second embodiment. The same or corresponding parts as in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. A linear portion 16 orthogonal to the plane formed by the fixing portion 4 (parallel to the negative electrode 2a surface) is formed in the reduced-diameter minimum diameter portion 15 of the negative electrode power supply terminal 1. The part is the cut part 1 of the spring wire
It is 7.

The straight portion 16 is formed with the minimum diameter portion 15.
Of the straight portion 16 is slightly bent from the vicinity of the center of the straight portion 16 toward the fixed portion 4 toward the direction of the fixed portion 4 to form a bent portion 19. The cutting portion 17 located at the end of the bent portion 19 faces the fixed portion 4. The length of the bent portion 19 from the bent portion 18 to the cut portion 17 is set to a length that does not interfere with the battery storage portion 6 even when the battery connection portion 3 is displaced by compression when the battery 2 is stored. A series of operations and effects relating to the storage and removal of the battery 2 are substantially the same as those in the first embodiment, and thus description thereof is omitted.

Third Embodiment FIG. 6 is a plan view, a rear view, and a side view of a main part of a third embodiment. The same or corresponding parts as in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The reduced-diameter minimum diameter portion 15 of the negative electrode power supply terminal 1 has a straight portion 1 that is orthogonal to the plane formed by the fixing portion 4 (substantially parallel to the negative electrode surface 2a).
6 are formed, and the end of the straight portion 16 is a cut portion 17 of the spring wire.

The straight portion 16 is formed with the minimum diameter portion 15.
It is formed to the vicinity of the inside diameter through the center of the straight part, and is bent 180 degrees at the bent part 18 toward the fixed part 4 at a position slightly near the center of the straight part 16 and slightly outside to form a bent part 19, The cut portion 17 located at the end of the bent portion 19 faces in the direction opposite to the bottom surface of the battery housing portion 6, that is, in the upward direction. Then, the bent portion 18 of the bent portion 19
The length from the to the cutting portion 17 is slightly shorter than the length of the straight portion 16 so that even if the battery connecting portion 3 is displaced due to compression during storage of the battery 2, it does not interfere with the next largest diameter portion 23 after the smallest diameter portion 15. It is length. A series of operations and effects relating to the storage and removal of the battery 2 are substantially the same as those described in the first embodiment, and thus description thereof will be omitted.

Fourth Embodiment FIG. 7 is a plan view, a rear view and a side view of a main part of a fourth embodiment. The same or corresponding parts as in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. At the minimum diameter portion 15 of the negative electrode power supply terminal 1 having a reduced diameter, a spiral portion 24 having a spiral diameter reduced perpendicularly to the plane formed by the fixing portion 4 (parallel to the negative electrode surface 2a) is formed. The portion 25 is formed.

The spiral part 24 is formed at the spiral start point part 2.
At the position of the extension point portion 26 which is further rotated by approximately 180 degrees from the position 5, a rear spiral extension portion 27 is formed extending toward the fixed portion 4, and the extension amount of the subsequent spiral extension portion 27 is formed. Is equal to or larger than the spring wire diameter. And battery 2
When the battery contact portion 3 is displaced by the compression at the time of storage, the extension amount does not interfere with the battery storage portion 6. The cut portion 17 of the spring wire is disposed at the end where the above-mentioned extension amount is secured.

The operation of the fourth embodiment configured as described above will be described with reference to FIGS. Note that a series of operations relating to battery storage and removal are substantially the same as those in the first embodiment, and thus description thereof will be omitted. When the battery 2 is rotated in the direction of arrow A as shown in FIG. 9, the extension point portion 26 of the negative electrode power supply terminal 1 is located in the concave portion 21 formed at the boundary between the surface of the negative electrode 2 a of the battery 2 and the coating 20. Depressed or bridged, and pressed against here. When the battery 2 is further rotated in the direction A, the extension point portion 26 of the negative electrode power supply terminal 3
The battery 2 smoothly passes without being caught in the concave portion 21 of the battery 2 and returns to the position before compression, and the removal of the battery 2 is completed.
The effects of the fourth embodiment are almost the same as those of the first embodiment, and thus the description is omitted.

[0028]

As is apparent from the above description, the present invention provides a battery accommodating portion in a portable electronic device having a negative power supply terminal and a positive power supply terminal, and supporting and supplying power to both poles of the battery by these power supply terminals. Wherein one side of one conductive spring wire is bent so as to fit within one plane to form a fixed portion, and the other portion of the spring wire is perpendicular to a plane formed by the fixed portion. The battery connecting portion is formed by extending the side in the opposite direction to the fixed portion and forming a spiral shape having a sequentially reduced diameter, and the fixed portion and the battery connecting portion constitute a negative power supply terminal. The vicinity of the terminal cutting portion of the minimum diameter portion was protruded toward the fixed portion.

As a result, the operability of the battery is improved, the battery and the coating of the battery are not damaged or broken, the appearance of the battery is improved, the versatility of the power supply terminal, and the cost of the product are reduced. Can be achieved.

Further, the vicinity of the terminal cut portion of the minimum diameter portion of the battery connecting portion is formed in a straight line perpendicular to the plane formed by the fixing portion, and the straight portion is bent from the middle thereof toward the fixing portion to form a bent portion. Configured. For this reason, when the battery is removed from the negative electrode side, the cut portion can be smoothly removed without being caught by the coating of the battery, and the operability is improved. Further, after the battery is removed, the battery and the coating of the battery are not damaged or broken, and the appearance of the battery is improved.
Further, since the direction of the cut portion can be applied to similar devices regardless of the direction in which the battery is removed, the versatility of the power supply terminal can be improved and the cost of the product can be reduced.

Further, the straight portion is bent from substantially the center of the minimum diameter portion toward the fixed portion to form a bent portion,
The value of the bending angle α of the bent portion is determined when the bent portion of the bent portion falls into the concave portion formed at the boundary between the negative electrode surface of the battery and the coating when the battery is taken out, and the long axis direction of the battery and the bottom surface of the battery housing portion. The value of the angle β between the negative electrode surface when the battery is stored in the proper position and the linear portion when the bent portion of the bent portion falls into the concave portion of the battery when the battery is removed. To be equal to or greater than the sum of

Therefore, when the battery is removed from the negative electrode side, the cut portion can be smoothly removed without being caught by the battery cover, and the operability is improved. Further, after the battery is removed, the battery and the coating of the battery are not damaged or broken, and the appearance of the battery is improved. Further, since the direction of the cut portion can be applied to similar devices regardless of the direction in which the battery is removed, the versatility of the power supply terminal can be improved and the cost of the product can be reduced.

Further, the straight portion is directed from the vicinity of the center of the minimum diameter portion toward the fixed portion at a position slightly near the terminal cutting portion.
The sheet was bent so as to form an angle of 0 degree to form a bent portion.
For this reason, when the battery is removed from the negative electrode side, the cut portion can be smoothly removed without being caught by the coating of the battery, and the operability is improved. Further, after the battery is removed, the battery and the coating of the battery are not damaged or broken, and the appearance of the battery is improved. Furthermore, since the direction of the cut portion can be applied to similar devices regardless of the battery removal direction,
The versatility of the power supply terminal and the cost reduction of the product can be achieved.

Further, a bent portion was formed by bending the straight portion from the vicinity of the center of the minimum diameter portion and slightly near the end cutting portion so as to form an angle of 180 degrees toward the fixed portion. For this reason, when the battery is removed from the negative electrode side, the cut portion can be smoothly removed without being caught by the coating of the battery, and the operability is improved. Also, after removal, the battery and the battery coating will not be damaged or torn,
The appearance of the battery is improved. Further, since the direction of the cut portion can be applied to a similar device regardless of the direction in which the battery is removed, the versatility of the power supply terminal can be improved and the cost of the product can be reduced.

Further, the vicinity of the terminal cut portion of the minimum diameter portion of the battery connection portion is formed in a reduced diameter spiral shape on a plane orthogonal to the plane formed by the fixing portion, and the spiral portion is fixed from the middle thereof. The rear spirally extending portion was formed by projecting toward the part direction. For this reason, when the battery is removed from the negative electrode side, the cut portion can be smoothly removed without being caught by the coating of the battery, and the operability is improved. Further, after the battery is removed, the battery and the coating of the battery are not damaged or broken, and the appearance of the battery is improved. Further, since the direction of the cut portion can be applied to a similar device regardless of the direction in which the battery is removed, the versatility of the power supply terminal can be improved and the cost of the product can be reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of Embodiment 1 of the present invention.

FIG. 2 is a plan view, a rear view, and a side view of the negative electrode power supply terminal of FIG. 1;

FIG. 3 is an operation explanatory view of the first embodiment.

FIG. 4 is an operation explanatory diagram of the first embodiment.

FIG. 5 is a plan view, a rear view, and a side view of a negative electrode power supply terminal according to Embodiment 2 of the present invention.

FIG. 6 is a plan view, a rear view, and a side view of a negative electrode power supply terminal according to Embodiment 3 of the present invention.

FIG. 7 is a plan view, a rear view, and a side view of a negative electrode power supply terminal according to a fourth embodiment of the present invention.

FIG. 8 is an operation explanatory view of the fourth embodiment.

FIG. 9 is an operation explanatory view of the fourth embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Negative power supply terminal 1a Positive electrode power supply terminal 2 Battery 2a Negative electrode 3, 3a Battery connection part 4, 4a Fixed part 6 Battery storage part 15 Minimum diameter part 16 Linear part 17 Cutting part 18 Bent part 19 Bent part 21 Depression 22 Bottom surface 24 Spiral part 26 Extension point part 27 Rear spiral extension part

Claims (6)

[Claims] 1. A battery housing portion of a portable electronic device having a negative electrode power supply terminal and a positive electrode power supply terminal, and supporting both electrodes of a battery by these power supply terminals, and energizing one side of one conductive spring wire. Bends so as to fit within one plane to form a fixed portion, and the other side of the spring wire extends in a direction opposite to the fixed portion from a plane perpendicular to a plane formed by the fixed portion. A battery connection portion is formed by forming the battery connection portion in a spiral shape having a sequentially reduced diameter, and a negative electrode power supply terminal is formed by the fixing portion and the battery connection portion. The vicinity of the terminal cut portion of the minimum diameter portion of the battery connection portion is fixed. A power supply terminal in a portable electronic device, wherein the power supply terminal is provided so as to protrude in a direction of a part. 2. The battery connecting portion is configured such that the vicinity of the terminal cut portion of the minimum diameter portion is formed in a linear shape orthogonal to a plane formed by the fixing portion, and the straight portion is bent from the middle thereof in the direction of the fixing portion. The power supply terminal of the portable electronic device according to claim 1, wherein the power supply terminal comprises a unit. 3. A bent portion is formed by bending the straight portion from substantially the center of the minimum diameter portion toward the fixed portion, and the value of the bending angle α of the bent portion is set to be equal to the negative electrode surface of the battery when the battery is taken out. The value of the angle β formed between the long axis direction of the battery and the bottom surface of the battery housing portion when the bent portion of the bent portion falls into the concave portion formed at the boundary of the coating, and the battery is housed in a regular position. And the value of the angle γ between the negative electrode surface and the linear portion when the bent portion of the bent portion falls into the concave portion of the battery at the time of taking out the battery, and is equal to or larger than the sum of the angles γ. 3. The method according to claim 2, wherein
A power supply terminal in the portable electronic device described in the above. 4. The bent portion is formed by bending the straight portion from substantially near the center of the minimum diameter portion to a direction slightly closer to the terminal cutting portion so as to form an angle of 90 degrees toward the fixed portion. Item 6. A power supply terminal in the portable electronic device according to Item 2. 5. The linear portion is directed from the vicinity of the center of the minimum diameter portion toward the fixing portion at a position slightly near the terminal cutting portion.
3. The power supply terminal according to claim 2, wherein a bent portion is formed by being bent at an angle of degrees. 6. A portion near the terminal cutting portion of the minimum diameter portion of the battery connection portion is formed into a reduced diameter spiral shape on a plane orthogonal to a plane formed by the fixing portion, and the spiral portion is fixed from the middle thereof. The power supply terminal according to claim 1, wherein the rear spiral extension portion is formed by projecting toward a part direction.