JPH0648367Y2 - Electronic thermometer - Google Patents

Description

TECHNICAL FIELD OF THE INVENTION The present invention relates to an electronic clinical thermometer, and more particularly to an arrangement structure of an alarming sounding device for an alarm and a connecting wire of a temperature measuring unit.

(Summary of the Invention) As an electronic thermometer, there is known an electronic thermometer which, when the temperature measurement by the temperature measuring unit provided at the tip of the main body case is completed, notifies this by a sounder provided inside the main body case. ing. The temperature measuring part of this kind of electronic thermometer is connected to the wiring board through a connecting wire, but since this kind of connecting wire is generally quite long, it is easy to cause crosstalk or disconnection during assembly.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide an electronic clinical thermometer which is advantageous for wiring a connecting line that connects a temperature measuring unit and a wiring board. To this end, the present invention provides an electronic clinical thermometer in which a wiring board and an alarm sounder are arranged inside a main body case having a temperature measuring portion at the tip thereof. In addition, the two connecting wires for connecting the temperature detecting portion and the wiring board are arranged along both sides of the sounding device. By wiring the connecting lines in this way, the sounding device also serves as a wiring guide member for the connecting lines to prevent the connecting lines from being mixed and broken, and to reliably insulate the connecting lines from each other.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded view of an electronic thermometer according to the present invention, and FIGS. 2 and 3 are sectional views and a plan view in an assembled state. The electronic thermometer 1 is a flexible main body case made of synthetic resin or the like. 2, a middle unit 3 housed inside the body case 2, and a battery lid 4 that is detachably attached to the rear portion of the body case 2. The main body case 2 is composed of a substantially elongated box-shaped base portion 2a and a tapered probe portion 2b integrally connected to the base portion 2a, and a temperature detecting portion 5 is attached to the tip of the probe portion 2b. A window portion 8 and an opening portion 9 are formed on the upper surface of the base portion 2a for exposing the body temperature display portion 6 provided in the middle unit 3 and the switch operating portion 7 composed of a pressing type rubber switch, respectively. In addition, a mounting opening 10 for the battery lid 4 which doubles as an insertion opening for the middle unit 3 is provided at the lower rear end thereof. 29 is a set screw for the battery lid. 11 is a concavo-convex part for non-slip of the fingertip,
It is formed so that it does not come into contact with the skin during use.

The middle unit 3 includes side plate portions 32 on both sides of the long plate-shaped upper plate portion 31,
Mainly consists of a substantially saddle-shaped middle case 3 ′ formed by vertically arranging 32, and the main components such as the wiring board 12, the body temperature display section 6, and the switch operation section 7 are arranged inside the saddle shape or on the upper surface. It is made up of. Reference numeral 20 is an alarm sounder, such as a substantially short cylinder-shaped monomoful type piezoelectric buzzer or a magnet speaker,
It is attached to the tip of the middle case 3'through the lead wires 24, 24 with the sounding surface 20a facing downward. Both ends of the lead wires 24, 24 are fixed to the sounder 20 and the upper surface of the wiring board 12 by soldering parts 24a, 24a. 13, 13
Are two connecting wires that connect the temperature measuring unit 5 and the wiring board 12, and are wired along both sides of the sound generator 20, respectively. Reference numeral 25 denotes a sound emission hole formed in the lower surface of the main body case 2, and ribs 30 and 30 for riding the sounding device 20 are provided upright on both sides of the sounding hole. ,
The sounding surface 20a of the sound generating surface 20a in the assembled state by disposing on 30
Faces the sound output hole 25.

Reference numerals 14, 15, 16, and 17 are leg portions formed by cutting out the side plate portions 32 and 32, and the rearmost leg portion 17 projects slightly below the other leg portions 14 to 16. Reference numerals 23 and 23 denote ribs projecting from both sides of the main body case 2. The leg as described below
14 to 17 are assembled by slidingly contacting the upper surfaces of the ribs 23. Reference numeral 18 denotes a protrusion projecting at a position corresponding to the sharp peripheral edge 9a of the opening 9, and the protrusion 18 is fitted and engaged with the peripheral edge 9a in the assembled state. 19 is the power battery,
22 and 22 are terminal boards.

In assembling the electronic thermometer 1, the middle unit 3 is slid from the insertion opening 10 to the inner wall surface of the body case 2 in which the opening 9 is formed, and the middle case 3 '. The main body case 2 is forcibly inserted into the main body case 2 while the main body case 2 is slightly elastically deformed by the protrusions 18 formed on the. Then, the protrusion 18 is formed in the peripheral portion of the opening 9.
The main body case 2 is elastically returned by being fitted and engaged with the 9a, the middle unit 3 and the main body case 2 are engaged and assembled, and the sounder 20 faces the sound output hole 25. When inserting the middle unit 3 into the body case 2, the legs 14 to
The lower end surface of 17 is brought into sliding contact with the upper surfaces of the ribs 23, 23. Therefore, the inner case 3'is pushed up slightly, and the projection 18 on the upper surface is elastically fitted in the opening 9. At this time, since the leg portions 14 to 17 are notched and have elasticity, the middle case 3 ′ can be slidably inserted into the main body case 2. Further, since the main body case 2 is also provided with the opening 9, the main body case 2 is easily elastically deformed, and the middle case 3 ′ can be slidably inserted into the main body case 2 without difficulty. Further, taper surfaces 14a, 17a, 23a are formed on the lower front portions of the frontmost leg portions 14, 14 and the rearmost leg portions 17, 17 with respect to the insertion direction a, and on the rear end faces of the ribs 23, 23, respectively. Therefore, when inserting the middle case 3'into the main body case 2, first, the tapered surface 14a of the leg portion 14 rides on the tapered surface 23a of the rib 23, and finally the leg portion. The taper surface 17a of 17 is in contact with the taper surface 23a and pushes up the middle case 3'upwardly. Therefore, the middle case 3'can be easily inserted into the main body case 2,
Moreover, the middle case 3'is pushed upward to open the protrusion 18 in the opening 9
Can be securely attached to.

In this way, the electronic thermometer 1 connects the sound generator 20 to the connecting lines 13, 13
Since the connecting wires 13 and 13 are wired along both sides of the sound generator 20 by also serving as a wiring guide member of the speaker 20, there is no risk of the connecting wires 13 and 13 being mixed or broken. Since the connection lines 13 and 13 are wired with the sound generator 20 interposed therebetween, they are reliably insulated by the sound generator 20, and the connection lines 13 and 13 can be hidden from the sound output hole 25 so that they cannot be seen from the outside. it can. Moreover, in the case of the present embodiment, the sounding device 20 has a substantially cylindrical shape, and the connection lines 13 and 13 are wired along the curved wall surface, so that the connection lines 13 and 13 are bent and disconnected. Can be prevented more reliably. The present invention can be modified in various ways other than the above-described embodiment. For example, as shown in FIG. 4, the sound generator 30 may have another shape such as a rectangular box shape.

(Other Embodiment) FIGS. 5 (a) and 5 (b) show still another embodiment of the present invention. In this embodiment, a part of the connection line is extended from the wiring substrate 12. It is formed of conductive pieces 13 ', 13'. The conductive pieces 13 ', 13' are made of a conductive leaf spring such as a phosphor bronze thin plate, and are twisted by about 90 ° with respect to the main surface of the wiring board 12. That is, the sounder 20 is elastically held by these conductive pieces 13 ', 13', and the sounder 20 and the wiring board 12 are unitized to improve the assemblability. Moreover, if the conductive pieces 13 ', 13' are slidably contacted with the inner walls 2 ', 2'of the main body case 2 (in particular, refer to FIG. 5 (b)), the sounding device 20 can be more firmly attached to the conductive pieces 13',
Since it is held by 13 ', it is not necessary to use screws or welding as a fixing means of the sound generator 20, and the structure can be simplified and the cost can be reduced.

(Effect of the Invention) As described above, the present invention is an electronic thermometer 1 in which the wiring board 12 and the alarm sounder 20 are arranged inside the main body case 2 having the temperature measuring unit 5 at the tip thereof. In the above, the sounding device 20 is provided in the front part of the wiring board 12, and two connecting wires 1 for connecting the temperature measuring section 5 and the wiring board 12 are provided.
Since 3 and 13 are respectively wired along both sides of the above-mentioned sound generator 20, it is possible to prevent the connection lines 13 and 13 from being mixed or broken.
Further, the sounding device 20 can surely insulate the connection lines 13, 13 from each other.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is an exploded view of an electronic thermometer, FIG. 2 is a sectional view in an assembled state, FIG. 3 is a plan view of essential parts, and FIG. 4 is the present invention. 5A and 5B are a perspective view and a plan view of a main part of still another embodiment. 1 ... Electronic thermometer 2 ... Main body case 5 ... Temperature detector, 12 ... Wiring board 13 ... Connecting wire, 20,30 ... Sound generator

Claims (1)

[Scope of utility model registration request] 1. An electronic thermometer 1 comprising a wiring board 12 and an alarm sounder 20 inside a main body case 2 having a temperature measuring portion 5 at the tip thereof. An electronic clinical thermometer which is provided in the front part of the board 12 and has two connecting wires 13 for connecting the temperature measuring part 5 and the wiring board 12 along both sides of the sounder 20, respectively.