JP2013065424A - Battery case and electronic clinical thermometer with battery case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a battery case and a clinical thermometer with a battery case capable of preventing a battery from separating away from the battery case by preventing a fingernail of an infant from entering into gaps of the battery case even when the infant touches the clinical thermometer.SOLUTION: The battery case includes: a battery housing part 21 having a concave portion SP in which a button cell is housed so as to be attachable and removable; and a lid member being attachable to and removable from the battery housing part so as to cover an opening of the concave portion. The concave portion SP has a wall surface part 30R arranged on a periphery of the button cell adjacent to an outer peripheral surface of the button cell, a groove 55 is formed by continuously cutting out a part of the wall surface part 30R and an end face 19 of the opening adjacent to the part of the wall surface part 30R, and the wall surface part 30R has an extension part 40 protruding toward the groove 55 so as to prevent fingers from touching the outer peripheral surface of the button cell when the fingers are inserted into the groove 55.

Description

  The present invention relates to a battery case that detachably accommodates a battery, and an electronic thermometer including the battery case.

Smaller and lighter button-type batteries are often used in small electronic devices such as medical equipment, although electronic power meters that measure the body temperature of users are one example. It is.
That is, as an electronic thermometer, there is generally known an electronic thermometer having a temperature sensing part at the end of a long and narrow bar, and a liquid crystal display unit such as a liquid crystal display for displaying a result of measuring the body temperature by the temperature sensing part. It is arranged. Since the thermosensitive part and the liquid crystal display part need a power source, and also need a power source to control them and calculate the body temperature, the electronic thermometer has a battery case in it. Contains a button-type battery.

  The battery case has a structure in which the battery is detachably accommodated by removing the lid member so that the button type battery having a small power supply capacity can be replaced. In addition, what applied the electronic thermometer for measuring a female basal body temperature (henceforth a female electronic thermometer) records a measured basal body temperature over a long period of time, and a user's high temperature phase and low temperature phase The period can be known, a trend graph is displayed on the liquid crystal display, and various other functions such as a calendar function and a memo registration function are provided (see, for example, Patent Document 1). Compared to a thermometer, battery consumption is faster and the need for battery replacement is high.

JP 2000-19024 A

However, since the battery can be removed from the battery case and replaced, the electronic thermometer, especially a female electronic thermometer, is placed in a place where infants can reach it. There is a risk of losing. Alternatively, when the infant touches the electronic thermometer in a mischievous manner, the electronic thermometer falls and the lid member comes off, and the battery may be detached from the battery case due to a drop impact at that time. If the infant is younger than 4 years old, for example, the danger of the battery is not known, and there is a risk of accidental ingestion in the mouth.
Therefore, the present invention has been made to solve the above problems, and to provide a battery case that can prevent the battery from being removed from the battery case even when an infant touches the thermometer, and an electronic thermometer including the battery case. Yes.

The battery case of the present invention includes a battery housing portion having a concave portion in which a button-type battery is detachably accommodated, a lid member that is detachable from the battery housing portion so as to cover an opening of the concave portion, The concave portion has a wall surface portion arranged around the button battery adjacent to the outer peripheral surface of the button battery, and is adjacent to a part of the wall surface portion and this part. The end surface of the opening is continuously cut out to form a groove, and the wall surface is configured such that when the fingertip is inserted into the groove, the fingertip contacts the outer peripheral surface of the button battery. It has the extended part which protruded toward the said groove part so that it may regulate.
According to the above configuration, the battery housing portion has a groove portion formed by continuously cutting out a part of the wall surface portion of the concave portion in which the button-type battery is accommodated and the opening end surface of the concave portion adjacent to the part. Since it is formed, the user can remove the button battery by inserting a tool having a narrow tip such as a toothpick into the groove portion and bringing it into contact with the outer peripheral surface of the button battery.
Here, the wall surface portion has an extended portion protruding toward the groove portion so as to restrict the fingertip inserted into the groove portion from contacting the outer peripheral surface of the button battery. Therefore, even if the infant touches the thermometer, it is possible to prevent the button battery from being detached from the battery case due to the fingertip pressing the outer peripheral surface of the button battery. That is, even if the outer peripheral surface of the button battery is pressed with an instrument such as a toothpick, the outer peripheral surface of the button battery cannot be pressed with a normal fingertip, thereby preventing the battery from being detached due to an infant's mischief.

Preferably, the battery accommodating portion has a protruding portion formed in an overhang shape for pressing the upper surface or the upper surface corner of the button battery in a state where the button battery is accommodated without connecting the lid member. A battery holding part is provided.
According to the said structure, even if it is a case where a cover member has removed from a battery case, a battery can be hold | maintained so that it may not remove from the inside of a battery accommodating part by the protrusion part of a battery holding | suppressing part.

An electronic thermometer including a battery case according to the present invention is a thermometer including a battery case on which a button-type battery is detachably mounted, and the battery case has a concave portion in which the button-type battery is accommodated. And a lid member that can be attached to and detached from the battery housing portion so as to cover the opening of the concave portion, and the concave portion is adjacent to the outer peripheral surface of the button battery and around the button battery. A groove portion is formed by continuously cutting a part of the wall surface portion and an end surface of the opening adjacent to the wall surface portion, and the wall surface portion includes the groove portion. And an extension portion protruding toward the groove so as to restrict the fingertip from coming into contact with the outer peripheral surface of the button battery when the fingertip is inserted into the button battery.
According to the above configuration, even when the fingertip of the infant enters the groove formed to remove the button battery, the extension portion of the wall surface portion is prevented from coming into contact with the button battery from the inside of the battery case. It is possible to prevent the button battery from being detached. On the other hand, a button battery can be removed by inserting a tool having a narrow tip, such as a toothpick, into the groove and bringing it into contact with the outer peripheral surface of the button battery.

  As described above, according to the present invention, even when an infant touches an electronic thermometer, the fingernail is prevented from entering the gap of the battery case, and even if the fingernail enters the gap of the battery case. It is possible to provide a battery case and an electronic thermometer including the battery case that can prevent accidental ingestion by removing the battery from the battery case.

1A is a plan view of a female electronic thermometer according to an embodiment of the present invention, FIG. 1B is a rear view of the female thermometer, and FIG. 1C is a side view of the female electronic thermometer. The disassembled perspective view of the electronic thermometer for women shown in FIG. The figure which shows the example of a display content displayed on the display screen of a liquid crystal display part. The figure which shows the electrical structural example of the electronic thermometer for women shown in FIG. The figure which shows the bottom case and lid member of the main body case shown in FIG. 6A is a perspective view showing an example of the internal structure of the battery housing part of the battery case shown in FIG. 6B is a cross-sectional view taken along line NN of the battery housing portion of the battery case shown in FIG. FIG. 7A is a plan view showing a state in which the battery is fixed in the battery housing portion of the battery case, and FIG. 7B is a side view showing a state in which the battery is fixed in the battery housing portion of the battery case. Figure. The perspective view which shows the 1st battery holding | suppressing part in a battery accommodating part, and the vicinity of an extension part. FIG. 9A is a plan view showing a bottom case, a liquid crystal display unit, a function selection unit, and a liquid crystal display unit holder in a state where the front cover is removed from the female electronic thermometer shown in FIG. FIG. 9B is a plan view showing a state in which the liquid crystal display unit, the function selection unit, and the liquid crystal display unit holder are further removed from the bottom case in the state shown in FIG. FIG. 9C is a perspective view showing an example of the shape of the end of the liquid crystal display unit holder. The figure which shows the example of the stopper rib as a 1st rib which comprises a holding | maintenance protrusion group, and the stopper rib as a 2nd rib. The figure which shows the storage case for accommodating and protecting the electronic thermometer for women shown in FIG.

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
The embodiment described below is a preferred specific example of the present invention, and thus various technically preferable limitations are given. However, the scope of the present invention is particularly limited in the following description. Unless otherwise stated, the present invention is not limited to these forms.
FIG. 1 shows a female electronic thermometer 1 that is an example of an electronic thermometer equipped with a battery case of the present invention, FIG. 1 (A) is a plan view thereof, and FIG. 1 (B) is a rear view thereof. FIG. 1C is a side view thereof. FIG. 2 is an exploded perspective view showing each element of the female electronic thermometer 1 shown in FIG.
A female electronic thermometer (hereinafter referred to as a “thermometer”) 1 shown in FIG. 1 has a main body case (an example of a case) 2 that is a casing, and each main body case 2 includes each element shown in FIG. Is housed. That is, the main body case 2 of the present embodiment includes a bottom case 3, an extended body portion 4, and a transparent front cover 5, in which a substrate 6, a liquid crystal display portion 7, a function selection portion 8, an external communication function portion. The holder 9, the liquid crystal display holder 10, and the buzzer 11 are accommodated. The main body case 2, the bottom case 3, the extension body portion 4, and the front cover 5 are preferably made of plastic having impact resistance and chemical resistance.

  The bottom case 3 is a vessel having a boat shape that accommodates and holds the substrate 6, the liquid crystal display unit 7, the function selection unit 8, the external communication function unit 9, the liquid crystal display unit holder 10, and the buzzer unit 11. The bottom case 3 has a storage space 12 that is long along the X direction and short along the Y direction perpendicular to the X direction. The depth direction of the accommodation space 12 is along the Z direction orthogonal to both the X and Y directions. The bottom case 3 has a front end portion 3S and a rear end portion 3R. As shown in FIGS. 2 and 1B, the back surface portion of the rear end portion 3R covers the built-in button type battery. The lid member 13 is detachably attached.

The extension trunk | drum 4 is a member fixed with respect to the bottom case 3, for example with an adhesive agent. The extension trunk | drum 4 has the cap attachment part 4A of the front-end | tip part, and the connection end part 4B on the opposite side to the cap attachment part 4A. The extension body portion 4 is a hollow member, and is formed so as to taper from the connection end portion 4B toward the metal cap attachment portion 4A at the tip end portion. The extension body part 4 and the bottom case 3 are integrally formed as shown in FIG. 1 by fixing the connecting end part 4B of the extension body part 4 from the outside to the front end part 3S side of the bottom case 3. Connected to be.
As shown in FIG. 1C, the axial direction 4L of the extension body 4 is slightly lower than the X direction, which is the axial direction of the bottom case 3, by an angle 4F (5 to 10 degrees) (the liquid crystal display unit 3), and the cap mounting portion 4A at the tip is slightly downward. Thereby, for example, when the user measures the body temperature by holding the cap attaching portion 4A at the distal end, for example, under the tongue in the mouth, the user can easily measure.

A cap 4C made of metal with a closed tip is fixed to the cap attachment portion 4A at the tip shown in FIG. The cap 4C is made of a material having excellent thermal conductivity, for example, stainless steel, and a temperature measuring unit 4D as a temperature sensing unit indicated by a broken line such as a thermistor is bonded and fixed in the cap 4C. The temperature measuring unit 4D and the substrate 6 are electrically connected by an electric wiring (not shown). The cap 4C has a role of transferring the user's body temperature to the temperature measurement unit 4D and protecting the temperature measurement unit 4D from external impacts, moisture, and the like.
In addition, as shown in FIG. 1B, a shallow recess 4 </ b> K is formed on the back surface of the extension body 4. In the recess 4K, a plurality of protrusions 4N are formed at right angles to the longitudinal direction to prevent the user from slipping when measuring the body temperature under the tongue in the mouth. Thereby, the user can hold | maintain the thermometer 1 reliably, when measuring a body temperature. A buzzer portion 11 is disposed inside the front end portion 3S of the bottom case 3.

A substrate 6 shown in FIG. 2 is equipped with various circuit elements, a liquid crystal display unit 7, and a function selection unit 8. The substrate 6 has a shape that fits into the accommodation space 12 of the bottom case 3. The liquid crystal display unit 7 is mounted on a part of the substrate 6 in a state of floating from the substrate 6 using the base material 7B. Thereby, even if the circuit elements of the substrate 6 generate heat during operation, the liquid crystal display unit 7 can be separated from the heat, and the display screen 103 of the liquid crystal display unit 7 can be separated from the bottom of the bottom case 3 as much as possible. It can be held at a high position on the remote surface side. The function selection unit 8 is mounted on the remaining part of the substrate 6 and is positioned closer to the rear end 3R of the bottom case 3.
The display screen 103 of the liquid crystal display unit 7 is constituted by a dot matrix type liquid crystal display device capable of displaying numbers, characters, figures (characters, icons, etc.), for example. A detailed example of the display contents displayed on the display screen 103 is shown in FIG.

FIG. 3 shows an example of display contents displayed on the display screen 103 of the liquid crystal display unit 7.
A selection function display area 301 shown in FIG. 3 is a display area for selecting various functions of the thermometer 1. Each pictogram (icon) displayed in the selection function display area 301 has, in order from the left, a memo input function, a next menstruation date display function, a next ovulation day display function, an alarm time setting function, a volume setting function, and a time setting function. This is an icon for selection. The selected memo display area 302 is a display area for selecting the memo contents to be input when the memo input function in the selection function display area 301 is selected. Each pictogram (icon) displayed in the selected memo display area 302 is an icon indicating menstrual day, fever, menstrual pain, sexual intercourse, drug intake, vaginal discharge, and illegal bleeding in order from the left. The measurement data display area 303 displays measured body temperature data, and displays body temperature data for a predetermined number of days in the past as a trend graph.

  A setting information display area 304 in FIG. 3 is a display area for displaying setting contents set by the user using an alarm time setting function, an alarm volume setting function, or the like. In the thermometer 1 according to the embodiment of the present invention, when an operation for changing the volume is performed when the volume is set using the volume setting function, the volume is changed at the timing when the operation is performed. It is configured to output sound. In this way, the user can perform the optimum volume setting by adopting a configuration in which the user can actually view the changed volume on the spot. The current date / time display area 305 displays the current date (year / month / day) or time (hour / minute). The internal state display area 306 displays information indicating the internal state of the thermometer 1 (for example, the remaining battery level). The digital display area 309 can digitally display the measured body temperature values and the like.

Since the liquid crystal display unit 7 needs to display information of various display contents shown in FIG. 3, a display screen 103 that is as large as possible is necessary to ensure the visibility of the user. In order to increase the size of the display screen 103, as shown in FIG. 2, the area of the display screen 103 of the liquid crystal display unit 7 is secured in a portion other than the portion where the function selection unit 8 is mounted in the effective area of the substrate 6. doing.
Thus, since the display screen 103 of the liquid crystal display unit 7 needs to display each information content mentioned above, it occupies a large area compared with the whole size of the thermometer 1, and is comparatively large and heavy. In addition, the display screen 103 of the liquid crystal display unit 7 is positioned as close to the window portion 5A of the front cover 5 as possible so that the user can easily see the information of each display content on the display screen 103 and improve the visibility. It is arranged to lift.

The function selection unit 8 shown in FIGS. 1A and 2 includes a left button 111, a right button 112, an up button 121, a down button 122, and a center enter button 130. The left button 111 and the right button 112 give an instruction (movement instruction) for moving an identifier (cursor) indicating that a selection target such as a menu item displayed on the display screen 103 in FIG. 3 is in a selected state. . The upper button 121 and the lower button 122 give an instruction (change instruction) for changing a setting value or the like for the selection target of the movement destination of the cursor. The determination button 130 determines the selection target of the cursor movement destination (or the changed setting value for the selection target of the cursor movement destination).
By the way, the determination button 130 also serves as a power ON / OFF switch of the thermometer 1. That is, the function selection unit 8 includes the left button 111, the right button 112, the upper button 121, the lower button 122, and the decision button 130, which are cross buttons, so that each function of the thermometer 1 can be operated. By providing the determination button 130 with a power operation function, the operability is improved and the number of switches is reduced.

Returning to FIG. 2, the liquid crystal display unit holder 10 is a plate-shaped holder that holds the liquid crystal display unit 7 as a whole, and is a member that is held inside the bottom cover 3. Specifically, the liquid crystal display unit holder 10 is made of an elastically deformable plastic, and has a rectangular opening 10A for exposing the liquid crystal display unit 7 and a circular opening for exposing the function selection unit 8. Part 10B.
In the case of the present embodiment, the liquid crystal display unit holder 10 has an outer shape substantially matching the outer shape of the substrate 6. The liquid crystal display unit holder 10 and the substrate 6 are fixed by passing the male screw 6M of the substrate 6 through the screw hole 10H of the holder 10 of the liquid crystal display unit and attaching a nut 6N to the male screw 6M. Further, a claw portion 99 provided at the periphery of the liquid crystal display unit holder 10 is locked to the bottom surface of the substrate 6 so as to embrace the substrate 6. Accordingly, the liquid crystal display unit holder 10 and the substrate 6 are fixed with the liquid crystal display unit 7 interposed therebetween, and the liquid crystal display unit holder 10 is detachably fitted into the bottom case 3 and fixed.
The front cover 5 in FIG. 2 is made of plastic, and has a transparent window portion 5A and a circular opening 5B. A portion 5C of the front cover 5 other than the transparent, for example, convex lens-like window portion 5A and the circular opening 5B is opaque so that the substrate 6 side cannot be visually seen from the outside. The back surface of the front cover 5 is preferably fixed to the surface of the liquid crystal display unit holder 10 with an adhesive.

The transparent window portion 5A of the front cover 5 has an area slightly smaller than the area of the display screen 103 of the liquid crystal display unit 7, and preferably has a convex lens shape, and the user passes through the transparent window portion 5A. The display content displayed on the display screen 103 of the liquid crystal display unit 7 can be viewed in an enlarged state.
The opening 5B is formed at a position corresponding to the opening 10B of the liquid crystal display unit holder 10, and the user operates the function selection unit 8 exposed to the outside through the opening 5B and the opening 10B by touching it with a finger. can do.

Next, an example of the electrical configuration of the thermometer 1 shown in FIG. 2 will be described with reference to FIG. FIG. 4 is a diagram showing an electrical configuration example of the thermometer 1 shown in FIG.
As shown in FIG. 4, the substrate 6 of the thermometer 1 is equipped with a control circuit 225, a counter 226, a display control unit 227, an arithmetic processing unit 221, a ROM 222, a timer 224, and a RAM 223. The control circuit 225 is electrically connected to the battery 260, the counter 226, the display control unit 227, the arithmetic processing unit 221, and the temperature measurement unit 4D. The arithmetic processing unit 221 is electrically connected to the counter 226, the ROM 222, the timer 224, the RAM 223, the buzzer unit 11, the left button 111, the right button 112 of the function selection unit 8, the upper button 121, the lower button 122, and the center determination button 130. Connected.
The display screen 103 of the liquid crystal display unit 7 includes an LED 231 for backlight. The buzzer unit 11 generates an alarm sound for notifying a specific state such as an alarm sound or the end of body temperature measurement. The battery 260 is disposed in the battery case 20 and supplies power to the control circuit 225 and the temperature measurement unit 4D. The battery 260 can be replaced by removing the lid member 13.

4 measures a user's body temperature, and outputs the numerical value of a body temperature as a digital value. The temperature measurement unit 4D is composed of, for example, a thermistor and a capacitor installed in a temperature sensing unit connected in parallel, and a CR oscillation circuit for temperature measurement. According to the change in the count amount of the counter 226 corresponding to the temperature of the thermistor, The temperature is output as a digital quantity to the control circuit 225.
A RAM (Random Access Memory) 223 associates measurement values (basal body temperature data) obtained from the measurement once a day and various input values input by the input unit 250 with dates and times, for a predetermined number of days ( For example, 240 days), and intermediate data for each menstrual cycle (from the first day of menstruation to the day before the next menstruation day) are temporarily stored.
A ROM (computer-readable storage medium) 222 stores parameters necessary for body temperature measurement, prediction formula programs, and the like. The timer 224 manages time and date.

The display control unit 227 in FIG. 4 controls the liquid crystal display unit 230 in accordance with a command from the control circuit 225. The counter 226 counts the oscillation signal of the temperature measurement CR oscillation circuit of the temperature measurement unit 4D and notifies the control circuit 225 of the oscillation signal. The arithmetic processing unit 221 performs body temperature prediction calculation according to the prediction formula program stored in the ROM 222.
When the control circuit 225 shown in FIG. 4 detects any one of the buttons 111, 112, 121, 122, and 130 shown in FIG. 1 via the arithmetic processing unit 221, the control circuit 225 displays the backlight. LED 231 is automatically turned on. Thereby, an operation switch for manually turning on the LED 231 for the backlight is unnecessary, and the structure of the thermometer 1 is simplified.

FIG. 5 is a diagram showing the bottom case 3 and the lid member 13 shown in FIG.
As shown in FIG. 5, a battery case 20 is provided at a position near the rear end 3 </ b> R of the bottom case 3. The battery case 20 includes a battery housing part 21 provided near the rear end 3R and a lid member 13. The battery case 20 is a portion that detachably accommodates a thin cylindrical button-type battery (hereinafter referred to as “battery”) 260, which is also called a coin-type battery, as a preferred example.
The lid member 13 includes a main body portion 13A, an engaging protrusion 13B, an insertion protrusion 13C, and a battery pressing protrusion 13R. The main body portion 13A has a curved surface shape that matches the shape of the battery housing portion 21, and the engaging protrusion 13B has a substantially L-shaped shape, and extends from the distal end portion 13D of the main body portion 13A in the X1 direction. Is formed to protrude. The insertion protrusion 13C is formed so as to protrude in the X1 direction inside the rear end portion 13F of the main body portion 13A. The battery pressing protrusions 13 </ b> R are a plurality of ribs for pressing the upper surface 263 of the battery 260 in a state where the lid member 13 is closed with the battery housing portion 21.

The battery housing portion 21 shown in FIG. 5 has a concave portion SP for housing the battery 260. The concave portion SP is in the state in which the lid member 13 is connected to the battery housing portion 21 (see FIG. 5). It has an opening facing the upper side. The battery housing portion 21 has an inner engagement hole portion 22 shown on the left side in FIG. 5 and another outer engagement hole portion 23 shown on the right side in FIG. The inner engagement hole 22 is formed at a position corresponding to the engagement protrusion 13B. The outer engagement hole 23 is formed at a position corresponding to the insertion protrusion 13C, and is a hole penetrating in the thickness direction of the first battery retainer 24 described later, and is formed below the protrusion 24T described later. Has been. Accordingly, when the lid member 13 is slid in the X1 direction and the battery housing portion 21 is closed by the lid member 13, the engagement protrusion 13B is detachably engaged with the inner engagement hole portion 22. At the same time, the insertion protrusion 13 </ b> C is detachably fitted into the outer engagement hole 23. In this way, as shown in FIG. 1B and FIG. 1C, the lid member 13 closes the battery accommodating portion 21 only by sliding the lid member 13 in the X1 direction with a finger. The battery 260 can be covered.
Further, when the user replaces the battery 260, the user pushes the pressing portion 24P shown in FIG. 1B with his / her finger in the Z2 direction (downward direction perpendicular to the paper surface), thereby causing the engagement protrusion shown in FIG. The engagement between the portion 13B and the inner engagement hole 22 can be easily released. Then, the lid member 13 shown in FIG. 1B is simply slid in the X2 direction with respect to the battery housing portion 21, and the lid member 13 is simply removed, and a battery removal device to be described later is inserted. The battery 260 can be removed and replaced with a new battery 260.

FIG. 6A is a perspective view showing an example of the internal structure of the battery housing part 21 shown in FIG. FIG. 6B is a cross-sectional view taken along line NN of the battery housing portion 21 shown in FIG. FIG. 7A is a plan view showing a state in which the battery 260 is fixed in the battery housing portion 21, and FIG. 7B is a side view showing a state in which the battery 260 is fixed in the battery housing portion 21. FIG.
As shown in FIG. 6A, as already described, the battery housing part 21 of the battery case 20 is provided at a position near the rear end 3R of the bottom case 3, and the battery housing part 21 of the thermometer On the opposite surface, a function selection unit 8 is provided.

As shown in FIGS. 6 and 7, the battery housing portion 21 is provided in a region in which substantially half of the rear end portion 3 </ b> R in the thickness direction is cut out, and is a substantially cylindrical concave portion SP for fitting the battery 260. The first and second terminal portions 31 and 32 for supplying voltage to each device of the thermometer 1 and the first and second battery holding portions 24 and 25 for fixing the battery are formed. .
The concave portion SP is formed by the inner bottom surface portion 30 and the wall surface portion 30R. The inner bottom surface portion 30 has a substantially circular shape corresponding to the main surface of the battery 260, and the wall surface portion 30 </ b> R has an arc shape formed substantially around the inner bottom surface portion 30. The wall surface portion 30 </ b> R is disposed around the battery 260 so as to be adjacent to and opposed to the outer peripheral surface of the battery 260, thereby holding the battery 260. The wall surface portion 30R may surround the entire periphery of the battery 260, but may also surround a part of the outer surface of the battery 260 (about 2/3 in this embodiment). Further, the upper end 30R-1 of the wall surface portion 30R protrudes above the end surface (the region having a portion with which the edge of the lid member 13 abuts) 19 of the battery accommodating portion 21 to the upper side in FIG. Except for the outer peripheral surface of the battery 260 exposed in the groove 55, only the upper surface of the battery 260 is exposed.

  The first battery holding part 24 and the second battery holding part 25 are arranged to face each other, and the first battery holding part 24 holds the battery 260 so that it does not move in its diameter method, and the upper surface or upper surface corner of the battery 260. In order to hold the portion 262 so as not to float in the Z1 direction, a pressing protrusion 24T is provided. The pressing protrusion 24T is formed to protrude in an overhang toward the second battery pressing portion 25. At the same time, the second battery pressing portion 25 holds the upper surface or upper surface corner portion 262 of the battery 260 so as not to float in the Z1 direction.

The first terminal portion 31 and the second terminal portion 32 shown in FIG. 6 are conductive and elastically deformable metal electrical terminals, and are connected to the control circuit 225 shown in FIG.
The plurality of first terminal portions 31 are disposed on the inner bottom surface portion 30 of the concave portion SP, and have an elastic force biased in the Z1 direction of FIG. That is, when the battery 260 is fitted into the concave portion SP, the battery 260 is pressed by the first battery pressing portion 24 and the second battery pressing portion 25 as shown in FIG. The electrode 261 is in electrical contact with the first terminal portion 31 in a state where the first terminal portion 31 is elastically deformed.
As shown in FIGS. 7A and 6A, the second terminal portion 32 includes leaf spring-shaped first and second contact terminals 32R that exert an urging force toward the first battery holding portion 24. 32T. The first contact terminal 32R and the second contact terminal 32T are formed to extend from one end and the other end of the central connection portion 32S, respectively, and the tip of the first contact terminal 32R and the tip of the second contact terminal 32T are formed. Each have a protrusion 32B. The protrusion 32B of the first contact terminal 32R and the protrusion 32B of the second contact terminal 32T are mechanically formed at the formation angle G on the positive electrode 264 side of the outer peripheral surface of the battery 260, as shown in FIG. Pressed and brought into electrical contact. In this way, the first contact terminal 32R and the second contact terminal 32T are not only mechanically pressed against the positive electrode 264 side of the outer peripheral surface of the battery 260 at the formation angle G and electrically contacted, but also the battery 260 Can be pressed toward the first battery holding part 24 side in the X2 direction. Thereby, the battery 260 is pressed against the first battery holding part 24, and the protruding part 24T for holding can hold the battery 260 more firmly so that the battery 260 does not float in the Z1 direction. It is prevented from easily coming off in the Z1 direction from within the SP. The formation angle G is, for example, preferably an angle of 90 degrees or less.

As described above, as shown in FIG. 7B, when the battery 260 is fitted into the concave portion SP, the upper surface or the upper surface corner portion 262 of the battery 260 and the protruding portion 24T of the first battery holding portion 24 2 The battery 260 is held down by the battery holding part 25, so that the battery 260 is prevented from floating in the Z1 direction. Specifically, as shown in FIG. 5, when the lid member 13 is slid and covered, the engagement hole portion where the insertion protrusion 13 </ b> C of the lid member 13 is below the protrusion 24 </ b> T of the first battery holding portion 24. 23, the battery 260 is pushed by the insertion protrusion 13C against the elastic force of the first and second contact terminals 32R, 32T, and the engagement state between the battery 260 and the protrusion 24T is thereby easily released. Become. However, when the lid member 13 is connected to the battery accommodating portion 21 as shown in FIG. 1B, the battery pressing protrusion 13R of the lid member 13 shown in FIG. Press down on. Thereby, the battery 260 is securely held in the concave portion SP so as not to float in the Z1 direction. Further, even if the lid member 13 is removed due to the fall of the thermometer 1 or the mischief of the infant, the elastic force of the first and second contact terminals 32R and 32T works, and the battery 260 is held by the first battery holder. It is possible to prevent the battery 260 from coming off in the Z1 direction by being pressed against the portion 24 side and the upper surface or upper surface corner portion 262 of the battery 260 being pressed by the protruding portion 24T.
By adopting the structure in the battery accommodating portion 21 and the structure of the lid member 13 as described above, it is possible to prevent the battery 260 from being removed due to dropping or mischief of an infant with a small number of members.

FIG. 8A is a perspective view showing the vicinity of the first battery pressing portion 24 in the battery accommodating portion 21 and the extended portion 40 of the wall surface portion 30R. FIG. 8B is a perspective view of the vicinity of the first battery holding portion 24 and the extension portion 40 of FIG. 8A viewed from the H1 direction. FIG. 8C is a perspective view of the vicinity of the first battery holding portion 24 and the extension portion 40 of FIG. 8A viewed from the H2 direction. FIG. 8D is a perspective view of the vicinity of the first battery holding portion 24 and the extended portion 40 of FIG. 8B as viewed from the H3 direction.
As shown in FIG. 8A, the battery housing portion 21 has a groove portion 55 formed by continuously cutting out a part of the wall surface portion 30R and the end surface 19 of the opening adjacent to the part. The wall surface portion 30 </ b> R has an extended portion 40 protruding toward the groove portion 55 so as to restrict the fingertip inserted into the groove portion 55 from contacting the outer peripheral surface of the battery. The “fingertip” here does not include a long nail that an adult woman extended from the fingertip in fashion or the like. For this reason, the long nail of an adult passes through the groove 55 and the outer peripheral surface of the battery. You may touch.

Specifically, two portions of the wall surface portion 30R forming a part of the concave portion SP and the end face 19 of the opening adjacent thereto are cut out to form two groove portions 55, 55, and the two groove portions 55 are formed. , 55 so that the first battery holding part 24 is sandwiched between them. The groove 55 is used for inserting a tool such as a toothpick to press the outer peripheral surface of the battery toward the first and second contact terminals 32R and 32T, and to release the engagement between the protrusion 24 and the battery. It is arrange | positioned so that it may substantially oppose the 1st and 2nd contact terminals 32R and 32T.
And the extension part 40 is extended and formed in the edge parts 30W and 30W of the wall surface part 30R formed by notching toward the 1st battery holding | suppressing part 24, respectively. In other words, it can be said that the extended portion 40 is a rib disposed at the end 30W. The end portions 30W and 30W each have the extended portion 40, so that a gap BW formed between each extended portion 40 and the first battery holding portion 24 shown in FIGS. 8B and 8C. The value of is made as small as possible. The extended portion 40 may be integrally formed by extending from each end 30W, or may be attached and fixed later as a separate member to each end 30W.

The gap BW is provided in order to insert a thin battery removal tool TL such as a toothpick intentionally and mechanically into the battery 260 from the outside. As shown in FIG. 7, with the lid member 13 removed and the inside of the battery housing portion 21 exposed, for example, a user can replace the battery 260 with a thin battery removal tool TL from the outside. By inserting the battery 260 on the side, the battery 260 can be mechanically and forcibly removed from the first battery holding part 24 and the second battery holding part 25.
Thus, the gap BW only needs to have a small width that allows a thin instrument TL such as a toothpick to be inserted from the outside of the end portion 30W of the wall surface portion 30R to the battery 260 side. An example of the size of the small gap BW is, for example, 1.8 to 2.2 mm, particularly preferably 2.0 mm.
Thus, if the gap BW provided between the extended portion 40 and the first battery pressing portion 24 is made as small as possible, the lid member 13 is temporarily removed, and the battery 260 in the battery housing portion 21 is exposed to the outside. In some cases, for example, the fingernail of an infant under 4 years old may not be directly hit against the battery 260. The user cannot remove the battery 260 unless the thin instrument TL such as a toothpick is inserted into the battery 260 from the outside through the gap BW. Thereby, it is possible to prevent an infant from removing the battery 260 with a fingernail, thereby preventing accidental swallowing of the battery.

FIG. 9A is a plan view showing the bottom case 3, the liquid crystal display unit 7, the function selection unit 8, and the liquid crystal display unit holder 10 with the front cover 5 removed from the thermometer 1 shown in FIG. FIG. 9B is a plan view showing a state in which the liquid crystal display unit 7, the function selection unit 8, and the liquid crystal display unit holder 10 are further removed from the state shown in FIG. 9A. FIG. 9C is a perspective view showing an example of the shape of the end portion of the liquid crystal display unit holder 10.
The display screen 103 of the liquid crystal display unit 7 shown in FIG. 2 occupies a large area of the thermometer 1 because it is necessary to display information on various display contents as described above, and is relatively large and heavy. As the size of the liquid crystal display unit 7, for example, the length LL shown in FIG. 2 is 40 mm and the width WW is 20 mm. For example, the length ML of the liquid crystal display unit holder 10 is 74 mm, and the width MW is 24 mm.
In addition, the display screen 103 of the liquid crystal display unit 7 shown in FIG. 2 is arranged so as to be lifted as close to the window portion 5A of the front cover 5 as possible so that the user can easily see information on various display contents. Yes. For this reason, there is a cavity between the liquid crystal display unit holder 10 that supports the liquid crystal display unit 7 and the bottom surface of the bottom case 3, and when the user drops the thermometer 1, the liquid crystal display unit 7 is held. It is necessary to prevent the liquid crystal display unit holder 10 from falling off or moving in the bottom case 3 to prevent failure.

Therefore, as shown in FIG. 9, a holding projection group 400 is provided at a portion where the inside of the bottom case 3 and the liquid crystal display unit holder 10 are in contact with each other. The holding projection group 400 includes a plurality of first ribs 70 to 76 disposed between the inner surface 3G of the bottom case 3 and the end surface of the liquid crystal display unit holder 10, and a lower surface (such as a substrate) of the liquid crystal display unit holder 10. And a plurality of second ribs 80 in contact with a lower surface including other members.
Specifically, among the plurality of stopper ribs 70 to 76 constituting the first rib, the stopper ribs 70, 71, 72, 73, 74, 75 are provided on the inner surface 3G of the bottom case 3, and in FIG. A width dimension (end surface of the liquid crystal display unit holder 10) formed in the Z direction (perpendicular to the paper surface) and in contact with the end surface of the liquid crystal display unit holder 10 when the liquid crystal display unit holder 10 is mounted in the bottom case 3. (Length protruding toward the side). The stopper ribs 70 and 75, 71 and 74, 72 and 73 are at opposite positions with respect to the central axis in the longitudinal direction of the thermometer 1.
On the other hand, as shown in FIGS. 9A and 9C, another stopper rib 76 of the first rib is provided on the surface side of the engagement piece 77 of the liquid crystal display unit holder 10. In addition, the engagement piece part 77 exhibits a biasing force in the X direction of the figure (the inner surface 3G side of the opposed bottom case 3). Then, when the one end portion 10T side of the liquid crystal display unit holder 10 shown in FIG. 9C is fitted into the rear end portion 3R of the bottom case 3 shown in FIG. 9C, the convex portion 78 of the engagement piece portion 77 is formed. The liquid crystal display holder 10 can be fixed to the inside of the rear end 3R of the bottom case 3 by being fitted into the hole 3W of the inner surface 3G of the bottom case 3, and in this fixed state, the stopper rib 76 is The case 3 has a width dimension (a length protruding toward the inner surface 3G) in contact with the inner surface 3G of the rear end portion 3R of the case 3.
As a result, as shown in FIG. 9A, when the liquid crystal display holder 10 is mounted in the bottom case 3, the stopper ribs 70 to 75 on the bottom case 3 side are connected to the end face (main surface) of the liquid crystal display holder 10. And the stopper rib 76 on the engagement piece 77 side of the liquid crystal display unit holder 10 presses the inner surface 3G of the bottom case 3 so that the liquid crystal display unit holder 10 falls off in the bottom case 3. Alternatively, the behavior can be suppressed.

Further, as shown in FIG. 9C, the stopper rib 76 is formed long along the substantially Z direction of the engagement piece portion 77, that is, the direction in which the liquid crystal display unit holder 10 is inserted into the bottom case 3. For this reason, the engagement piece portion 77 is restrained from bending in the RT direction, and even if the thermometer 1 has a drop impact, the convex portion 78 of the engagement piece portion 77 is located inside the rear end portion 3R of the bottom case 3. Can be prevented from coming off from the hole 3W.
The plurality of stopper ribs 70 to 75 can be formed by molding at the same time when the bottom case 3 is plastic-molded. The stopper rib 76 on the engagement piece 77 side of the liquid crystal display holder 10 can be formed by molding at the same time when the liquid crystal display holder 10 is molded by plastic. Alternatively, the first ribs 70 to 76 may be made of, for example, rubber that is elastically deformed separately and attached. The number of first ribs set is not limited to the example of FIG. 9 and can be arbitrarily selected. A plurality of stopper ribs are provided not only on the inner side 3G of the bottom case 3 but also on the outer peripheral portion side of the liquid crystal display unit holder 10. You may do it.

FIG. 10A is a view showing a preferable setting example of stopper ribs 70 to 75 which are examples of the first ribs constituting the holding protrusion group described above and a stopper rib 80 which is an example of the second rib. FIG. 10B is a plan view of the stopper ribs 70 to 75 and the stopper rib 80 formed on the inner surface 3G of the bottom case 3 shown in FIG.
As shown in FIGS. 9A and 10B, two stopper ribs 80 as second ribs are formed on the inner surface 3G of the bottom case 3 so as to face each other. As shown in FIG. 10A, these stopper ribs 80 are formed along the Z direction and have a height H1 and a width W1.

As shown in FIG. 10B, the stopper ribs 70 to 75 are formed along the Z direction. As shown in FIG. 10A, the height H2 of the stopper ribs 70 to 75 is larger than the height H1 of the stopper rib 80. The width W2 of the stopper ribs 70 to 75 is smaller than the width W1 of the stopper rib 80. That is, the stopper rib 80 is formed to have a larger width W1 in the Y direction but a lower height H1 than the stopper ribs 70 to 75.
Accordingly, as shown in FIG. 10A, the liquid crystal display unit holder 10 is held by the stopper ribs 70 to 75 and the stopper rib 80 formed on the inner surface 3 </ b> G of the bottom case 3. That is, the stopper ribs 70 to 75 support the left and right end surfaces 10M of the liquid crystal display unit holder 10 and also serve to prevent the liquid crystal display unit holder 10 from moving in the Y direction (left and right direction). The stoppers 80, 80 support the lower surface portion 10 </ b> N of the liquid crystal display unit holder 10 facing the inner bottom surface of the bottom case 3 (may be supported via the substrate 6 shown in FIG. 2), and the liquid crystal display unit holder 10. Can be easily mounted on the bottom case 3 and, after being mounted, the function of preventing the lowering in the Z1 direction (downward) can be achieved.

  The display screen 103 of the liquid crystal display unit 7 shown in FIG. 2 is relatively large and heavy because it is necessary to display information on various display contents as already described. Moreover, in order to make it easier for the user to see the information contents on the display screen 103, the information cover is arranged so as to be lifted as close to the window portion 5A of the front cover 5 as possible. However, since the stopper ribs 70 to 75 and the stopper rib 80 are provided, it becomes easy to mount the liquid crystal display unit holder 10 on the bottom case 3, and even after the thermometer 1 has been dropped after mounting. The liquid crystal display unit holder 10 holding the liquid crystal display unit 7 is prevented from moving in the Z1 direction (downward) and the Y direction with respect to the bottom case 3, and the liquid crystal display unit 7 is stably fixed. be able to.

  FIG. 11 shows a storage case 300 for storing and protecting the thermometer 1 shown in FIG. 11A is a plan view of the storage case 300, FIG. 11B is a side view of the storage case 300, and FIG. 11C is a cross-sectional view taken along the line AA of the storage case 300 in FIG. 11D is a cross-sectional view taken along the line CC of the storage case 300 of FIG. 11A, and FIG. 11E is a cross-sectional view taken along the line BB of the storage case 300 of FIG. .

The storage case 300 is formed in a cylindrical shape with plastic, and the tip portion 301 is gradually tapered to a closed shape. As shown in FIG. An air vent hole 302 is formed in the tip portion 301. An opening 340 for inserting the distal end portion of the thermometer 1 is formed in the rear end portion 330 of the storage case 300. A plurality of guide ribs 303 to 313 are formed on the inner peripheral surface of the storage case 300.
As described above, since the guide ribs 303 to 313 are formed on the inner peripheral surface of the storage case 300, the distal end portion of the thermometer 1 is guided to the guide ribs 303 to 313 as shown in FIG. Thus, the cap 4C can be accommodated in the tip end accommodating portion 350 by being smoothly guided in the T direction inside the accommodating case 300. Thereby, it can prevent that the cap 4C of the front-end | tip part of the thermometer 1 gets caught inside the storage case 300, and is fixed in an inappropriate place.

  In the embodiment of the present invention, the battery can be held by the pressing protrusion of the battery pressing portion so that the battery does not come out of the battery housing portion. Even when the infant touches the thermometer, it is possible to prevent the battery from being detached from the battery case by preventing the fingernail from entering the gap of the battery case. That is, the groove part for inserting the instrument for removing the attached battery is provided with an extended part of the wall surface part, so that the fingernail of the infant can be prevented from directly touching the battery, Prevents the battery from being removed from inside the battery case, and prevents accidental swallowing of the battery.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the claims. A part of each configuration of the above embodiment can be omitted, or can be arbitrarily combined so as to be different from the above.
The battery case of the embodiment of the present invention is applied to the thermometer 1 for women, but is not limited to this, and is applied to other medical machine devices deployed in the home such as a normal thermometer or a blood glucose meter. Of course you can.

  DESCRIPTION OF SYMBOLS 1 ... Female thermometer (an example of a thermometer), 2 ... Main body case (an example of a case), 3 ... Bottom case, 4 ... Extension body part, 5 ... Front cover, 6 ... -Substrate, 7 ... Liquid crystal display unit, 8 ... Function selection unit, 10 ... Liquid crystal display unit holder, 11 ... Buzzer unit, 13 ... Lid member, 20 ... Battery case, 21 ... Battery housing part, 24 ... First battery pressing part, 24T ... Pressing protrusion, 25 ... Second battery pressing part, 30R ... Wall surface part, 30W ... Wall surface part , 40... Extension portion, 70 to 76... Stopper rib (first rib, part of the holding projection group), 80... Stopper rib (second rib, part of the holding projection group), 260. ... Battery, 400 ... Holding projection group, SP ... Concave part, BW ... Gap

Claims (3)

A battery case comprising: a battery housing portion having a concave portion in which a button-type battery is detachably accommodated; and a lid member detachably attached to the battery housing portion so as to cover an opening of the concave portion. ,
The concave portion has a wall portion disposed around the button battery adjacent to the outer peripheral surface of the button battery,
A groove portion is formed by continuously cutting out a part of the wall surface part and an end surface of the opening part adjacent to the part,
The wall surface portion has an extended portion that protrudes toward the groove portion so as to restrict the fingertip from contacting the outer peripheral surface of the button battery when the fingertip is inserted into the groove portion. Battery case.   The battery holding part has a protruding part formed in an overhang shape to hold the upper surface or the upper surface corner of the button battery in a state where the button battery is accommodated without connecting the lid member. The battery case according to claim 1, wherein the battery case is provided. An electronic thermometer with a battery case for detachably attaching a button-type battery,
The battery case includes a battery housing portion having a concave portion in which the button-type battery is accommodated, and a lid member detachably attached to the battery housing portion so as to cover an opening of the concave portion,
The concave portion has a wall portion disposed around the button battery adjacent to the outer peripheral surface of the button battery,
A groove portion is formed by continuously cutting out a part of the wall surface part and an end surface of the opening part adjacent to the part,
The wall surface portion has an extended portion that protrudes toward the groove portion so as to restrict the fingertip from contacting the outer peripheral surface of the button battery when the fingertip is inserted into the groove portion. Electronic thermometer.

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