CN108572032A - Electronic equipment - Google Patents

Abstract

The invention relates to an electronic device, which comprises a substrate, an auxiliary bracket for supporting and fixing the substrate, and a terminal assembly integrally provided with a battery positive terminal, a battery negative terminal, a switch terminal and a substrate terminal; the terminal assembly includes a resin support body, the terminal is integrally supported by the resin support body, and the resin support body is engaged with the auxiliary bracket to fix the terminal assembly to the auxiliary bracket. According to the electronic equipment, the number of parts can be reduced, the product structure is simplified, and the miniaturization of the product is facilitated. Further, since the terminal assembly is fixed to the auxiliary holder by engaging the resin support with the auxiliary holder, the terminals can be assembled in one step, and the assembly step is simple and efficient. The terminal assembly can be used for easily and stably connecting each terminal to the substrate, and the product reliability is high.

Description

Electronic equipment

technical field

The present invention relates to an electronic device, especially an electronic device having a terminal assembly integrating a plurality of terminals.

Background technique

There are usually components such as batteries, buzzers, and circuit boards in small and portable electronic devices such as electronic thermometers. In the prior art, as shown in Patent Document 1 (refer to paragraph 13 and FIG. 3 of Patent Document 1), the battery 3312 is electrically connected to the circuit board 34 by using battery connecting pieces 3311a, 3311b, and the buzzer connecting piece 324a, 324b electrically connects the buzzer 3212 to the circuit board 34 . That is, the terminals connecting the battery and the buzzer to the substrate are discrete and independent components. When assembling electronic equipment, the positive and negative terminals of the battery and the positive and negative terminals of the buzzer need to be connected to the substrate respectively. (eg, soldered to the substrate). In addition, in the prior art, the buzzer is often connected to the substrate by wires, and the welding and arrangement of the wires is a waste of man-hours during assembly.

Electronic devices often contain other components such as switches that switch power to the battery. In the prior art, the switch usually uses two independent metal plate-shaped contacts to connect to the substrate respectively. However, due to the lack of supporting structures for these metal plates, it is necessary to provide fixed structures such as claws or guide grooves on the housing, so that the electronic equipment complex structure.

As mentioned above, in the prior art, the electronic equipment has many components, the assembly process is complicated, and the assembly efficiency is low, which is not conducive to the miniaturization and integration of products. Because there are many components, many processes, and many uncontrollable factors, poor contact is prone to occur, resulting in a decrease in the yield rate and an increase in cost.

prior art literature

Patent Document 1: JPU3067903

Contents of the invention

In view of the above-mentioned problems in the prior art, the present invention provides an electronic device with a terminal assembly, which can simplify product structure and assembly process, improve production efficiency, reduce cost, and improve product reliability.

An electronic device according to an embodiment of the present invention is characterized in that it has:

Substrate;

an auxiliary support, which supports and fixes the substrate; and

a terminal assembly integrally provided with a battery crimped and respectively connected to a positive electrode of the battery, a battery positive terminal and a battery negative terminal of the battery negative, a switch terminal in contact with or separated from the battery positive terminal or the battery negative terminal, and a battery positive substrate terminal, a battery negative substrate terminal, and a switch terminal substrate terminal electrically connecting the battery positive terminal, the battery negative terminal, and the switch terminal to the substrate, respectively;

in,

The terminal assembly has a resin support body,

The battery positive terminal, the battery negative terminal, the switch terminal, the battery positive substrate terminal, the battery negative substrate terminal, and the switch terminal substrate terminal are integrally supported by the resin support,

The resin support body is engaged with the auxiliary bracket, so that the terminal assembly is fixed to the auxiliary bracket.

Invention effect

According to the electronic device of the present invention, the battery positive terminal, the battery negative terminal, the switch terminal, the battery positive substrate terminal, the battery negative substrate terminal, and the switch terminal substrate terminal are integrally supported by the resin support body of the terminal assembly, and the above terminals are integrated; By engaging the resin support body with the auxiliary bracket, the terminal assembly is fixed to the auxiliary bracket, and the above terminals can be assembled in one process. Therefore, using the terminal assembly, the positive and negative terminals of the battery, the switch terminals, and the terminals of each substrate can be easily and stably connected to the substrate, the number of parts can be reduced, the assembly process can be reduced, the product structure can be simplified, the production efficiency can be improved, and the cost can be reduced. Product reliability is high, which is conducive to product miniaturization.

Description of drawings

FIG. 1 is a perspective view of an electronic thermometer 1 according to one embodiment of the present invention.

FIG. 2 is an exploded view of the electronic thermometer 1 according to one embodiment of the present invention.

FIG. 3 is an exploded view showing the assembly relationship of the components of the electronic thermometer 1 .

FIG. 4 is a perspective view (viewed from the front) of the terminal assembly 30 of the electronic thermometer 1 according to the embodiment of the present invention.

FIG. 5 is a perspective view (viewed from the back) of the terminal assembly 30 of the electronic thermometer 1 according to the embodiment of the present invention.

FIG. 6 is a perspective view of the bracket body 31 of the terminal assembly 30 of the present invention.

Fig. 7 is a plan view of the structure related to the battery in the electronic thermometer 1 according to the embodiment of the present invention.

Fig. 8 is a perspective view of the structure related to the battery in the electronic thermometer 1 according to the embodiment of the present invention.

FIG. 9 is a perspective view of a structure related to a buzzer in the electronic thermometer 1 according to one embodiment of the present invention.

Detailed ways

Below, specific embodiments of the present invention will be described in detail in conjunction with the accompanying drawings.

Hereinafter, specific embodiments of the present invention will be described by taking an electronic thermometer as an example.

FIG. 1 is a perspective view of an electronic thermometer 1 according to one embodiment of the present invention. FIG. 2 is an exploded view of the electronic thermometer 1 according to one embodiment of the present invention.

As shown in FIGS. 1 and 2 , the electronic thermometer 1 has a housing 11 and a temperature measuring unit 12 . The casing 11 includes a front casing 11a connected to the temperature measuring part 12 and a rear casing 11b closing the rear end of the front casing 11a. The main body portion of the front housing 11a is provided with a display window 11d for displaying the temperature measurement results, and a temperature measuring part 12 is arranged at the front end of the protruding part on the front side of the front housing 11a, and the temperature measuring part 12 is in contact with the measured object to measure The body temperature signal of the measured object. An opening is provided at the end of the rear case 11b, and a switch portion 11c for operating and controlling the electronic thermometer 1 such as switching on and off the power supply is provided.

As shown in FIG. 2 , the housing 11 accommodates various components of the electronic thermometer 1 , such as an auxiliary bracket 20 , a display screen assembly 21 , a substrate 22 , a terminal assembly 30 , a button battery 40 , and a buzzer 50 . The button battery 40 and the buzzer 50 are mounted on the terminal assembly 30 , and the components such as the display screen assembly 21 , the substrate 22 , and the terminal assembly 30 are mounted on the auxiliary bracket 20 , and the auxiliary bracket 20 is accommodated in the housing 11 . In FIG. 2 , the positioner 23 and the fixing screw 24 are used for positioning when the electronic thermometer 1 is assembled. The wire 25 connects the temperature measuring part 12 to the substrate 22 .

Each component in FIG. 2 will be described in detail below.

For convenience of description, hereinafter, the upper side in FIGS. 1 and 2 is referred to as the front side of the electronic thermometer 1 , and the lower side is referred to as the back side of the electronic thermometer 1 .

FIG. 3 is an exploded view showing the assembly relationship of the components of the electronic thermometer 1 .

Note that, contrary to FIG. 2 , the upper side in FIG. 3 is the back side of the electronic thermometer 1 , and the lower side is the front side of the electronic thermometer 1 .

Referring to FIG. 2 and FIG. 3 , the components mounted on the auxiliary bracket 20 include a display screen assembly 21 , a substrate 22 , and a terminal assembly 30 . The button battery 40 and the buzzer 50 are installed on the terminal assembly 30 .

The display screen assembly 21 includes a liquid crystal screen 211 , a light guide plate 212 located between the liquid crystal screen 211 and the substrate 22 , and a conductive rubber 213 connecting the liquid crystal screen 211 and the substrate 22 and driving the liquid crystal screen 211 to display.

The display screen assembly 21 is disposed in the display screen assembly receiving portion 210 of the auxiliary bracket 20 , and the display area of the liquid crystal screen 211 is exposed from the window 210 a on the front side of the auxiliary bracket 20 . The display screen component receiving portion 210 is surrounded by side walls of the auxiliary bracket 20 .

The light guide plate 212 evenly guides the light emitted by the LEDs 221 disposed on the substrate 22 to the display area of the liquid crystal panel 211 . The light guide plate 212 is provided with a notch 212a for accommodating the conductive rubber 213, and the conductive rubber 213 is disposed in the notch 212a, which can prevent the conductive rubber 213 from being bent and deformed under force, and resulting in poor contact.

The specific form of attaching the button battery 40 and the buzzer 50 in the auxiliary bracket 20 will be described in detail later with reference to FIG. 3 .

In this embodiment, the positive terminal and the negative terminal of the button battery 40, the positive terminal and the negative terminal of the switch part 11c, the positive terminal and the negative terminal of the buzzer 50 are integrated into one part of the terminal assembly 30, the switch part 11c, the button The battery 40 and the buzzer 50 are connected to the substrate 22 through the terminal assembly 30 .

The terminal assembly 30 is fixed in the auxiliary bracket 20, the button battery 40 is pushed between the positive terminal and the negative terminal of the button battery 40 on the auxiliary bracket 20, and the buzzer 50 is pressed between the auxiliary bracket 20 and the terminal assembly 30, The button battery 40 communicates with the substrate 22 through the terminal assembly 30 and supplies power to the substrate 22 . The buzzer 50 communicates with the substrate 22 through the terminal assembly 30 . According to the audio signal output by the substrate 22 , the buzzer 50 emits a prompt sound.

The button battery 40 and the buzzer 50 are firmly fixed by the terminal assembly 30 , thereby ensuring good connection between the button battery 40 , the buzzer 50 and the substrate 22 .

As mentioned above, since the terminal assembly 30 integrates various terminals, it can not only ensure a good electrical connection between the button battery 40, the buzzer 50 and the substrate 22, but also has a compact and simple structure.

Further, since the terminal assembly 30 integrates various terminals, when assembling, only the terminal assembly 30 and the auxiliary bracket 20 are engaged and fixed to complete the installation of all terminals, which is different from the prior art where each terminal must be separately assembled. Compared with the case of connecting to auxiliary brackets and substrates, the production efficiency is greatly improved. Due to the reduction in the number of parts, assembly processes and uncontrollable factors, the occurrence of poor contact is greatly suppressed and the yield rate is improved.

(terminal assembly 30)

The structure of the terminal assembly 30 will be described in detail below.

4 and 5 are perspective views of the terminal assembly 30 of the electronic thermometer 1 according to an embodiment of the present invention, wherein FIG. 4 is a perspective view of the terminal assembly viewed from the front, and FIG. 5 is a perspective view of the terminal assembly viewed from the rear.

As shown in FIGS. 4 and 5 , the terminal assembly 30 includes: the battery positive terminal 32a and the battery negative terminal 32b crimped with the positive pole 40a and the negative pole 40b (see FIGS. 2 and 3 ) of the button cell 40; The buzzer positive terminal 34a and the buzzer negative terminal 34b crimped with the positive pole 50a and the negative pole 50b (see Fig. 3); the switch terminal 33a; and the battery positive substrate terminal 32c, battery positive substrate terminal 32c, battery Negative substrate terminal 32d, buzzer positive substrate terminal 34c, buzzer negative substrate terminal 34d, and switch substrate terminal 33c.

The terminal assembly 30 has a resin holder body 31 integrally supporting a battery positive terminal 32a, a battery negative terminal 32b, a switch terminal 33a, a buzzer positive terminal 34a, a buzzer negative terminal 34b, and a battery positive substrate terminal. 32c, battery negative substrate terminal 32d, switch substrate terminal 33c, buzzer positive substrate terminal 34c, and buzzer negative substrate terminal 34d.

As described below, the bracket body 31 engages with the auxiliary bracket 20 to fix the terminal assembly 30 to the auxiliary bracket 20 .

The switch terminal 33a is mechanically connected to the switch part 11c as a movable terminal of the switch part 11c; the terminal 33b integrally extended from the battery negative terminal 32b is opposite to the switch terminal 33a and functions as a switch fixed terminal. When the pressing operation is performed, the switch terminal 33a contacts or separates from the switch fixed terminal 33b, that is, the battery negative terminal 32b, thereby realizing switching of power supply/cutoff.

The bracket body 31 is made of resin material, preferably, made of resin with high hardness, such as polycarbonate resin. Since the support body 31 is made of resin with high hardness such as polycarbonate resin, the support body 31 has sufficient mechanical strength and is not easily deformed, and can effectively support each terminal in the terminal assembly 30 .

In addition, as described below, the bracket body 31 also acts as a cover for the buzzer, and applies a uniform pressing force to the outer peripheral edge of the buzzer 50. The pressure is uniform, which is conducive to the sound of the buzzer.

As mentioned above, since the terminal assembly 30 integrates all the terminals of the button battery 40, the switch part 11c, and the buzzer 50, when assembling, only the terminal assembly 30 and the auxiliary bracket 20 are engaged and fixed to complete all the terminals. Compared with the existing technology, the installation greatly improves the production efficiency and yield rate.

FIG. 6 is a perspective view of the bracket body 31 of the terminal assembly 30 of the present invention.

As shown in Fig. 4, Fig. 5 and Fig. 6, the bracket body 31 is in the shape of "I" and has two parallel transverse extensions 31a, 31b, and a longitudinal extension connecting the approximate central parts of the transverse extensions 31a, 31b. Part 31c. In this embodiment, the bracket body 31 is located at one end of the terminal assembly 30 .

As shown in Figure 4 and Figure 5, one end of the battery substrate terminal 32c, 32d, the switch substrate terminal 33c, and the buzzer substrate terminal 34c, 34d is fixed in the laterally extending part 31a, 31b, and the other end of these substrate terminals extends from the lateral direction. The portions 31 a and 31 b protrude toward the substrate 22 .

As shown in FIG. 4 , FIG. 5 , and FIG. 6 , one claw portion 311 is provided at both ends of the lateral extension portion 31 a and one end of the lateral extension portion 31 b of the bracket body 31 , and there are three claw portions 311 in total. On the inner wall of the auxiliary bracket 20, a slot 201 is provided at a position corresponding to the claw portion 311 (see FIG. 3 ). When the terminal assembly 30 is assembled into the auxiliary bracket 20, the claw portion 311 of the bracket body 31 and the auxiliary The slot 201 on the inner wall of the bracket 20 is engaged to fix the terminal assembly 30 in the auxiliary bracket 20 . That is, by engaging the bracket body 31 with the auxiliary bracket 20, the terminal assembly 30 is fixed in the auxiliary bracket 20, and all the terminals on the terminal assembly 30 are installed, which greatly improves the production efficiency and yield.

As shown in FIG. 5 and FIG. 6 , a protruding portion 312 protruding toward the direction of the substrate 22 is provided on the longitudinally extending portion 31 c of the bracket body 31 . When assembling the terminal assembly 30 into the auxiliary bracket 20 , a robot can be used to clamp the protruding portion 312 , so as to facilitate the assembly. In addition, the raised portion 312 also facilitates securing the buzzer 50 beneath it, as described below.

One end of the buzzer positive pole terminal 34a and the buzzer negative pole terminal 34b is fixed in the lateral extension 31a, and is respectively connected with the buzzer positive pole substrate terminal 34c and the buzzer negative pole substrate terminal 34d. The other end of the buzzer negative terminal 34b protrudes from the laterally extending portion 31a toward the auxiliary bracket 20 .

As mentioned above, the lateral extensions 31a, 31b respectively support a plurality of positive terminals, negative terminals, switch terminals, and substrate terminals, and the longitudinal extension 31c connects the lateral extensions 31a, 31b to integrate the bracket body 31 . By forming the laterally extending portions 31a, 31b and the longitudinally extending portion 31c, the strength of the bracket body 31 can be improved, and these terminals can be stably supported.

Hereinafter, with reference to FIGS. 3 and 7-9 , the terminals related to the button battery 40 , the terminals related to the buzzer 50 , and the terminals related to the switch portion 11 c will be described in detail.

(Installation of battery terminal and button battery)

Fig. 7 is a plan view of the structure related to the button battery in the electronic thermometer 1 according to the embodiment of the present invention.

As shown in Fig. 3 and Fig. 7, a battery accommodating portion 205 is formed on the back side of the auxiliary bracket 20, and a battery supporting wall portion 205a having approximately the same shape as the button battery 40 is formed on one side of the battery accommodating portion 205, and a battery supporting wall portion 205a is formed on one side of the battery accommodating portion 205. A battery claw 205b is formed on the rear side end of the wall portion 205a (see FIG. 8 ). Adjacent to the battery support wall 205a, battery support walls 205c, 205d and battery claws 205e are formed on the bottom of the auxiliary bracket 20 to firmly fix the button battery 40 to the auxiliary bracket 20 .

In the state where the terminal assembly 30 is installed in the auxiliary bracket 20, the positive battery terminal 32a is located on the opposite side of the battery support wall portion 205a, and the button battery 40 is mounted between the positive battery terminal 32a and the battery support wall portions 205a, 205c, 205d. between.

As shown in FIG. 3 , FIG. 5 , and FIG. 7 , the battery positive terminal 32 a has V-shaped walls 32 a 1 , 32 a 2 , and the V-shaped walls 32 a 1 , 32 a 2 are elastic and can hold and fix the button battery 40 . Since the battery claw 205b is provided on the back side end of the battery supporting wall 205a, the button battery 40 can be stably held and the button battery 40 can be prevented from accidentally falling off due to vibration or the like.

Since the battery positive terminal 32a is V-shaped and has V-shaped walls 32a1, 32a2, the button battery 40 can be well fixed and good contact with the button battery 40 can also be ensured.

In the state where the battery positive terminal 32a clamps the button battery 40, due to the extrusion of the button battery 40, the battery positive terminal 32a is in a direction perpendicular to the push-in direction of the button battery 40 (the direction perpendicular to the paper in FIG. 7 ). (The direction of the paper surface in Figure 7) will be greatly deformed. In this embodiment, as shown in FIG. 7 , on the bottom surface of the auxiliary bracket 20, a side wall 206 is provided on the outside of the V-shaped walls 32a1, 32a2 and at the positions corresponding to the V-shaped walls 32a1, 32a2, and serves as a limit position. the role of the Ministry. In the state where the button battery 40 is pushed in, when the V-shaped walls 32a1, 32a2 deform in a direction perpendicular to the pushing direction of the button battery 40 and move outward, the stopper 206 can effectively restrain the V-shaped walls 32a1, 32a2. deformation.

As shown in Fig. 3, Fig. 5 and Fig. 6, on the lateral extension 31b of the bracket body 31, two battery stop pins 315 are provided, and the battery stop pins 315 are connected to the battery support walls 205a, 205c, 205d, and The battery positive terminal 32 a together limits the position of the button battery 40 and prevents the button battery 40 from moving within the auxiliary bracket 20 .

When the button battery 40 is pushed in, the battery positive terminal 32a and the connecting portion 32e between the battery positive terminal 32a and the battery substrate terminal 32c may be twisted and rotated relative to the auxiliary bracket 20 due to the extrusion of the button battery 40 .

FIG. 8 is a perspective view of the structure related to the button battery 40 in the electronic thermometer 1 according to the embodiment of the present invention.

In this embodiment, as shown in FIG. 4 , FIG. 5 , and FIG. 8 , the connection portion 32 e between the battery positive terminal 32 a and the battery substrate terminal 32 c is divided into two paths at the bend at the V-shaped top of the battery positive terminal 32 a, One way reaches the V-shaped top of the battery positive terminal 32a, and the other way protrudes toward the auxiliary bracket 20 to form a protruding portion 32f. On the bottom surface of the auxiliary bracket 20, an insertion hole 207 is formed at a position corresponding to the protrusion 32f. The protrusion 32f is fitted into the insertion hole 207, thereby suppressing the twisting of the battery positive terminal 32a and the connection portion 32e relative to the auxiliary bracket 20. turn.

(switch terminal)

As shown in Figure 4 and Figure 5, the switch terminal 33a is a switch movable terminal, opposite to the switch fixed terminal 33b, the switch terminal 33a is connected to the substrate 22 through the switch substrate terminal 33c, the switch fixed terminal 33b is integrated with the battery negative terminal 32b, It is connected to the substrate 22 through the battery negative electrode substrate terminal 32d. When the switch part 11c is pressed, the switch part 11c drives the switch terminal 33a to move, so that the switch terminal 33a contacts the switch fixed terminal 33b, and connects into a loop to start the power supply of the battery 40; when the switch part 11c is released, the switch terminal 33a and the switch The fixed terminal 33b is disconnected, and the power supply from the battery 40 is stopped.

(buzzer terminal)

In this embodiment, as shown in FIG. 3 , a buzzer accommodating portion 204 is formed on the back side of the auxiliary bracket 20 , and the shape of the inner wall surface of the buzzer accommodating portion 204 is substantially the same as that of the buzzer 50 , which is easy to place. Buzzer 50, and the buzzer 50 can be positioned. A relief groove 208 for the buzzer 50 is formed on the bottom surface of the front side of the buzzer receiving portion 204 , and the diameter of the relief groove 208 is slightly smaller than the outer diameter of the buzzer 50 .

As shown in FIG. 4 , on the front side of the bracket body 31 of the terminal assembly 30 , a buzzer relief groove 314 is formed on the laterally extending portions 31 a, 31 b. Likewise, the shape of the buzzer relief slot 314 is slightly smaller than the outer diameter of the buzzer 50 .

In this embodiment, when the buzzer 50 is assembled, the front side and the back side of the buzzer 50 are clamped by the relief groove 208 and the buzzer relief groove 314 respectively, and are fixed on the bracket body 31 and the back surface. Between the auxiliary brackets 20, the ends of the buzzer positive terminal 34a and the buzzer negative terminal 34b protruding from the lateral extension portion 31a of the bracket body 31 are against the buzzer 50 in the direction of the auxiliary bracket 20, thereby stably The buzzer 50 is electrically connected to the substrate 22 .

Since the bracket body 31 is made of resin with high hardness, after the buzzer 50 and the terminal assembly 30 are assembled into the auxiliary bracket 20 , the bracket body 31 can be used to apply a uniform pressing force to the outer periphery of the buzzer 50 . The uniform pressing force received by the buzzer 50 is favorable for the sounding of the buzzer 50 .

(Assembly of electronic thermometer 1)

As shown in FIG. 3 , the display screen assembly 21 and the buzzer 50 are respectively placed in the display screen assembly accommodating portion 210 and the buzzer accommodating portion 204 of the auxiliary bracket 20, and the terminal assembly 30 is loaded into the auxiliary bracket 20, so that The claw portion 311 of the bracket body 21 engages with the slot 201 of the auxiliary bracket 20 . Afterwards, when the substrate 22 is assembled on the auxiliary bracket 20 , the protrusion 312 on the bracket body 21 fits into the groove 222 formed on the substrate 22 , which can improve the positioning accuracy of the substrate 22 and the auxiliary bracket 20 . Under the condition that the protruding portion 312 of the bracket body 21 fits into the groove portion 222 on the base plate 22, the base plate 22 covers all areas of the bracket body 31 except the longitudinally extending portion 31c. The battery substrate terminals 32c, 32d, the switch substrate terminals 33c, and the buzzer substrate terminals 34c, 34d protruding from the parts 31a, 31b and contacting the substrate 22 are all covered by the substrate 22, so, for example, when the user replaces the battery Touching these terminals can improve the reliability of the product.

As shown in FIG. 2 , after assembling the substrate 22 on the back side of the auxiliary bracket 20 , and installing the button battery 40 and the buzzer 50 on the auxiliary bracket 20 , the core assembly of the electronic thermometer 1 is completed. Then, press a part of the substrate 22 and a part of the bracket body 31 of the terminal assembly 30 from the back side with the locator 23, and together with the locator 23, the components of the assembled electronic thermometer 1 are removed from the cylindrical front portion. The rear end of the casing 11a is open, and is fitted into the front casing 11a, and the locator 23 reaches the inside of the front casing 11a. In this state, close the rear shell 11b and the front shell 11a, and use the fixing screw 24 to pass through the holes of the rear shell 11b and the front shell 11a and screw into the screw hole of the positioner 23 . Finally, the temperature measuring part 12 is installed on the front end of the front auxiliary bracket 11 a, and the temperature measuring part 12 is connected to the substrate 22 through the wire 25 .

The locator 23 includes a locating pin 234 corresponding to the locating hole 224 on the base plate 22 , and performs mutual positioning of the base plate 22 , the auxiliary bracket 20 and components therein.

The positioner 23 pushes the protrusion 312 of the bracket body 31 to adjust the pressure on the buzzer 50 in a state where each component is mounted on the front case 11a and the rear case 11b together with the positioner 23 .

Fig. 9 is a perspective view of the structure related to the buzzer 50 in the electronic thermometer 1 according to the embodiment of the present invention.

As shown in FIGS. 3 and 9 , in this embodiment, a U-shaped notch 235 is formed through the back side wall of the positioner 23 at the position where the positioner 23 abuts against the raised portion 312 of the bracket body 31 . , so that a force-applying elastic piece 236 is formed inside the U-shaped slot 235 , and the pressing force exerted by the bracket body 31 on the buzzer 50 can be adjusted conveniently by using the force-applying elastic piece 236 to abut against the protruding portion 312 .

According to the above embodiments of the present invention, the positive terminal, negative terminal, and switch terminal of the button battery 40, the positive terminal, the negative terminal, and the substrate terminal of the buzzer 50 are integrated into one component of the terminal assembly 30, which originally requires more than three components to realize The functions of the terminal assembly 30 are realized component by component.

During assembly, only the terminal assembly 30 and the auxiliary bracket 20 are engaged and fixed to complete the installation of all the terminals, which greatly improves the production efficiency.

Due to the reduction in the number of components, the reduction in the assembly process, and the reduction in uncontrollable factors, the occurrence of poor contact is greatly suppressed, the yield rate is improved, and the product cost is reduced.

Since the terminal assembly 30 occupies a small space, it is beneficial to product miniaturization.

The above described the present embodiment in detail by taking the electronic thermometer as an example, but the present invention is not limited to the electronic thermometer, and the present invention is also applicable to various small electronic devices.

In the above embodiments, there is only one button battery, but the present invention is not limited thereto, and there may be multiple button batteries.

Preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto, and those skilled in the art can make various modifications to the present invention within a range not departing from the gist of the present invention.

Claims (11)

1. An electronic device, comprising:

a substrate;

an auxiliary support for supporting and fixing the substrate; and

a terminal assembly integrally provided with a battery positive terminal and a battery negative terminal which are crimped with a battery and respectively connect a positive electrode of the battery, a negative electrode of the battery, a switch terminal which is brought into contact with or separated from the battery positive terminal or the battery negative terminal, and a battery positive substrate terminal, a battery negative substrate terminal, a switch terminal substrate terminal which respectively electrically connect the battery positive terminal, the battery negative terminal, the switch terminal and the substrate;

wherein,

the terminal assembly has a resin support body,

the battery positive electrode terminal, the battery negative electrode terminal, the switch terminal, the battery positive electrode substrate terminal, the battery negative electrode substrate terminal, and the switch terminal substrate terminal are integrally supported by the resin support,

the resin support body is engaged with the auxiliary bracket to fix the terminal assembly to the auxiliary bracket.

2. The electronic device of claim 1, wherein:

the terminal module is also provided with a buzzer positive terminal and a buzzer negative terminal which are in pressure connection with a buzzer sounding according to the sound signal output by the substrate, and a buzzer positive substrate terminal and a buzzer negative substrate terminal which electrically connect the buzzer positive terminal and the buzzer negative terminal with the substrate,

the buzzer positive electrode terminal, the buzzer negative electrode terminal, the buzzer positive electrode substrate terminal and the buzzer negative electrode substrate terminal are integrally provided on the resin support.

3. The electronic device of claim 2, wherein:

the resin support body has two first direction extending portions parallel to each other and a second direction extending portion connecting substantially central portions of the two first direction extending portions.

4. The electronic device of claim 3, wherein:

the terminal module is provided with clamping claws which are clamped with clamping grooves formed on the inner wall of the auxiliary bracket at the end parts of the two first direction extending parts and fix the terminal assembly on the auxiliary bracket.

5. The electronic device of claim 3, wherein:

one end of each of the battery positive electrode substrate terminal, the battery negative electrode substrate terminal, the switch terminal substrate terminal, the buzzer positive electrode substrate terminal and the buzzer negative electrode substrate terminal is fixed in the first direction extending part, and the other end extends out from the first direction extending part towards the substrate,

and one end of each of the buzzer positive terminal and the buzzer negative terminal is fixed in the first direction extending part, and the other end of each of the buzzer positive terminal and the buzzer negative terminal extends out of the first direction extending part towards the buzzer.

6. The electronic device of claim 1, wherein:

the resin support is made of polycarbonate resin.

7. The electronic device of claim 3, wherein:

a housing for accommodating the substrate, the terminal assembly, and the auxiliary bracket,

the second direction extending portion of the resin support body has a protruding portion protruding toward the base plate,

the case is in contact with the protruding portion, and applies a force to the protruding portion to press the buzzer positive electrode terminal and the buzzer negative electrode terminal against the buzzer disposed on the opposite side of the resin support from the protruding portion.

8. The electronic device of claim 1, wherein:

the positive electrode terminal of the battery has a V-shaped arm which surrounds the outer peripheral surface of the battery and applies elasticity to the battery,

on the auxiliary holder, a protrusion is provided on the side of the arm opposite to the battery.

9. The electronic device of claim 1, wherein:

the connection part of the battery positive electrode terminal and the battery positive electrode substrate terminal is provided with a protruding part protruding towards the auxiliary support,

a hole portion is provided at a position of the auxiliary bracket corresponding to the protruding portion,

the protruding portion is embedded in the hole portion.

10. The electronic device of claim 3, wherein:

in the resin support, a stopper portion that protrudes toward the substrate and abuts against the battery is provided at a first direction extending portion adjacent to the battery.

11. An electronic thermometer, comprising:

the electronic device as set forth in claim 1,

a temperature measuring part which is brought into contact with the subject to measure the body temperature of the subject, and

a display part for displaying the measured body temperature.