WO2003041228A1

WO2003041228A1 - Power supply jack, jack cover used for this power supply jack, and electronic device using the same

Info

Publication number: WO2003041228A1
Application number: PCT/JP2002/011645
Authority: WO
Inventors: Kazuhiro Fujita; Jun Hirotomi; Katsunobu Iguchi
Original assignee: Seiko Instruments Inc.
Priority date: 2001-11-08
Filing date: 2002-11-08
Publication date: 2003-05-15

Abstract

A power supply jack that is used to effect reductions in size and thickness. A pipe (2) has a stop ring groove (2a) in the outer periphery. A power supply minus spring (3) is fixed at a portion thereof to the pipe (2) in the interior of the latter and has elasticity so as to contact the outer periphery of a power supply plug (11). A pin (5) for contact with the inner periphery of the power supply plug (11) is fixed to the pipe (2) by an insulation pipe (6). At this time, the insulation pipe (6) ensures insulation between the power supply minus spring (3) and the pin (5).

Description

Akira Power jack, jack cover used for this power jack, and electronic equipment using the same

The present invention relates to a power jack and an electronic device using the same. Background art

Conventional power jacks can be connected to the opening through which the plug is pulled out, as seen in JP-A-5-1599826, JP-A-6-231176, and JP-A-9-636989. The electrode terminal of the jack was fixed to the substrate by soldering. Also, when waterproofing electronic devices, a structure is known in which a rubber lid is placed on the opening of the power jack or a packing is held around the opening.

More specifically, the conventional power jack will be described with reference to FIGS. 11 and 12.

FIG. 11 is a sectional view of a conventional example, and FIG. 12 is a plan view of FIG. As shown in Fig. 11 and Fig. 12, the case 1 houses the board 10 and has an insertion hole 1a for inserting the power plug 11 and a packing groove for housing the main body packing 12. The case is fixed with screws 1 1 via packing 1 2. The power jack 14 from which the power plug 11 is pulled out includes a base 14a, a negative electrode 14b, and a positive electrode 14d.

The base 14a has a projection 14g inserted into the positioning hole 10d of the substrate 10 and a groove 14f for mounting the first packing 8, and the negative electrode 1 exposed from the base. 4 Negative connection 1 4 c and plug at end of b The positive connection portion 14e at the end of the lath electrode 14d is configured to be soldered and fixed to the minus hole 10b and the plus hole 10c of the substrate 10 ', respectively.

In addition, such a power jack is usually provided with a jack cover. For example, Fig. 21 is a cross-sectional view of a conventional jack cover. This jack cover has a cover 4c that covers the jack 6, a fixed protrusion 4d that is fixed to the case, a cover 4c, and a fixed protrusion. This is a configuration in which a bent portion 4b connecting 4d is engaged with a concave portion 1c provided in the case and a fixed convex portion 4d to be fixed.

However, power jacks used in conventional mobile devices have the following problems.

(1) Since the protrusion of the power jack is inserted into the hole of the board and the power jack is mounted on the board, the board needs space for the power jack mounting part including the mounting hole for the power jack.

(2) Since the connection terminal of the power jack was soldered to the board and connected, a mounting pattern is required on the board.

③ To waterproof the power jack itself, it is necessary to penetrate the connection terminal through the base and tightly fix it (insert molding or bonding).

As described above, since the power jack 14 composed of the base 14a, the negative electrode 14b, and the positive electrode 14d is mounted on the board, there is a problem that the size and thickness of the portable device cannot be reduced. there were.

The jack cover used for such a conventional power jack has the following problems.

(1) In order to attach the jack cover to the case, a mounting space is required to form a recess in the case, which hinders miniaturization of the equipment.

(2) The jack cover is attached to the case 1 using the recessed part 1 c And the fixing projection 4d are engaged and fixed. However, there was a problem that the jack cover made of rubber or elastomer was easily detached from the case due to its material.

③ In addition, the replacement of the jack cover cannot be done without opening the case, which is troublesome, and opening the case inevitably causes dust and fluff to enter the equipment. In addition, there was the problem of waterproof guarantee. Disclosure of the invention

A power jack according to the present invention includes: a hollow member having a groove on an outer periphery for engaging with a fixing piece for fixing and conducting with other components; and fixing a part of the hollow member inside the hollow member. A first terminal having elasticity in contact with the outer periphery of the power plug, a second terminal in contact with the inner periphery of the power plug, and fixing the second terminal to the hollow member; and the first terminal And an insulating member for insulating the second terminal from the second terminal. The power jack according to the present invention is characterized in that the pipe has a first packing on an outer periphery of the pipe for preventing liquid from entering between the pipe and another device, and the inside of the pipe and the second terminal And a second packing for preventing intrusion of a liquid between the first packing and the second packing.

An electronic device according to the present invention includes a power jack, and one end thereof fixed to a substrate, a fixing piece that fixes an outer periphery of the power jack, and connects the power jack to the substrate.

A fixing means and a waterproofing means for inserting a pipe into the hole of the case via a packing and inserting a pin through a packing into the through hole of the pipe, and a conducting means for conducting the pipe and the pin to the substrate from the power plug. The power jack has a power jack base. In addition, the connection between the pipe and the pin and the substrate can be attached and detached by a spring. Further, in order to solve the above-mentioned problems in the power supply jack cover, the present invention discloses a recess provided in the case of the arm information device by fixing the jack cover via a shaft to which the main body band is attached, for example, a spring bar. Was deleted.

Furthermore, the jack cover can be replaced without disassembling the case. In addition, since the jack cover is formed integrally with the band, the assemblability of the arm information device can be improved. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a cross-sectional view showing a mobile device according to an embodiment of the present invention before a power plug is inserted.

FIG. 2 is a cross-sectional view showing a portable device according to an embodiment of the present invention after a power plug is inserted.

FIG. 3 is a side view in a direction perpendicular to a power plug insertion / removal direction according to an embodiment of the present invention, and is a cross-sectional view taken along line AA ′ of FIG.

FIG. 4 is a partial perspective plan view of the back surface of FIG. 3, which is an embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a state before a power plug is inserted into a portable device according to another embodiment of the present invention.

FIG. 6 is a plan view of another embodiment of the present invention, in which the rear case and screws of FIG. 5 are removed.

FIG. 7 is a cross-sectional view showing a state after a power plug is inserted into a portable device according to another embodiment of the present invention.

FIG. 8 is a sectional view taken along the line BB ′ of FIG. 5, which is another embodiment of the present invention. FIG. 9 is a cross-sectional view taken along the line C-C 'of FIG. 5, which is another embodiment of the present invention. FIG. 10 is a sectional view taken along the line DD ′ of FIG. 5, which is another embodiment of the present invention. FIG. 11 is a cross-sectional view showing a conventional example. FIG. 12 is a plan view showing a conventional example.

FIG. 13 is a partial cross-sectional view showing a state before a plug is inserted into the arm information device according to the embodiment of the present invention.

FIG. 14 is a partial cross-sectional view showing a state after a plug is inserted into the arm information device according to the embodiment of the present invention.

FIG. 15 is a side view from the plug insertion / extraction direction according to the embodiment of the present invention, and is a side view taken along line E_E ′ of FIG.

FIG. 16 is a rear plan view of FIG. 15 which is an embodiment of the present invention.

FIG. 17 is a side view of the embodiment of the present invention in FIG.

FIG. 18 is a rear plan view of FIG. 17 which is an embodiment of the present invention.

FIG. 19 is a rear plan view showing a form of an arm information device equipped with a jack cover according to another embodiment of the present invention.

FIG. 20 is a rear plan view showing a form of a band of a wrist information device in which a jack cover and a band according to another embodiment of the present invention are integrally formed.

FIG. 21 is a cross-sectional view showing a conventional example. BEST MODE FOR CARRYING OUT THE INVENTION

The present invention provides a waterproof structure by mounting a pin connected to a positive electrode of a power plug and a pipe connected to a negative electrode of the power plug via a power minus spring, and by mounting a packing on the pin and the pipe. It is characterized by having.

Furthermore, the conduction structure by a spring having a connection portion between the positive electrode and the negative electrode allows the power jack and the board to be smaller and thinner, thereby making the portable device more compact.

Hereinafter, the present invention will be specifically described based on embodiments shown in the drawings. <Example 1>

1 to 4 show a form of a portable device equipped with a power jack of the present invention. FIG. 1 is a cross-sectional view before a power plug is inserted into a power jack. FIG. 2 is a cross-sectional view after a power plug is inserted into a power jack. FIG. 3 is a vertical partial cross-sectional view of the vicinity of a power jack of the portable device as viewed from a direction in which the power plug shown in FIG. FIG. 4 is a partial perspective plan view of the back of the portable device shown in FIG. 3 around the power jack.

In Fig. 1, Case 1 is composed of a lower case and an upper case. The lower case has a screw hole for fixing the upper case and a screw hole for fixing the board. When the lower case is combined with the upper case, a packing groove is provided on the surface that contacts the upper case to prevent water or the like from entering. On the other hand, the upper case is provided with a stepped hole for fixing the lower case. Also, the upper case is provided with a step 1c from the contact surface with the lower case so as not to contact the substrate 10. In addition, an insertion hole 1a for inserting the power jack is provided in the upper case in the horizontal direction. In a part of the insertion hole 1a, a decision part 1b for releasing the power supply spring 7 connected to the substrate 10 is provided. The upper case and lower case are fixed with screws 13 after inserting the packing 12 into the packing groove of the lower case.

The board 10 is connected to two power springs 7. The connection is made by bending the board contact part 7b provided on the power supply spring 7 toward the board and bringing it into contact with the board. The power supply spring 7 extends in the direction opposite to the substrate 10 and comes into contact with the power supply jack. Board 10 is fixed to the lower case by screw 13

The power jack consists of pipe 2, bush 4, power minus spring 3, pin 5, insulating pipe 6, first packing 8 and second packing 9.

The inside of the pipe 2 is the first and second in the direction in which the power plug 11 is inserted. A third step is provided on the opposite side of the step. At the first step, a power supply minus spring 3 whose tip end is bent in a “く” shape is inserted into the bush 4 and fixed. The power supply negative spring 3 comes into contact with the negative pole of the power plug 11 when the power plug 11 is inserted into the power jack. The second step is to prevent the power supply negative spring 3 from coming into contact with the pipe 2 even when the power supply negative spring 3 is bent and deformed when the power plug 11 is inserted into the power jack.

The second packing 9 is inserted into the third step. In order to hold down the second packing 9 and fix the pin 5, the hollow insulating pipe 6 is driven into the pipe 2 in a direction opposite to the direction in which the power plug 11 is inserted. Insert pin 5 into insulating pipe 6 and fix pin 5. At this time, the pin 5 and the pipe 2 are not electrically connected by the second packing 9 and the insulating pipe 6. The pin 5 has a retaining ring groove 5a on its outermost periphery. The outer periphery of the pipe 2 is provided with a first packing mounting groove 2b and a retaining ring groove 2a.

The power jacks 14 are fixed by fitting the two power springs 7 into the retaining ring groove 5 provided on the pin 5 and the retaining ring groove 2 a of the pipe 2, and the board 10 and the power jack 14. Is connected. At this time, if the first packing 8 is inserted into the first packing mounting groove 2b, Water and the like can be prevented from entering between the pipe 2 and the inlet 1a.

As shown in Fig. 1, the bushing 4 inserts the power supply minus spring 3 in the direction of insertion of the power plug 1 1, and the pipe with the retaining ring groove 2 a and the first packing 8 mounted in the first packing mounting groove 2 b. Fitted to 2. A pin 5 having a retaining ring groove 5a into which an insulating pipe 6 and a second packing 9 are inserted in the opposite direction is inserted into a power jack configured to be inserted into the pipe 2. Inserted into 1a. Furthermore, the retaining ring portion 7a of the power supply spring 7 is engaged by aligning the two retaining portions 1b in the case, the retaining ring groove 2a of the pipe, and the retaining ring groove 5a of the pin. However, the power jack is regulated in the power plug unplugging direction. Regarding the direction in which the power jack is pushed into the power plug, the gap between the step 1 c of the case 1 and the pin 5 is restricted.

On the other hand, the board contact portion 7b of the power supply spring 7 is connected to the power supply pattern 10a of the board 10 fixed with the screw 13. Further, the case is fixed by screws 11 via the main body packing 10.

As shown in FIG. 2, when the power plug 11 is inserted into the insertion portion 1 a of the case 1, the pin tip 5 b is inserted into a hole (not shown) of the power plug 11. At the same time, the pin 5 moves in the power plug insertion direction, but the gap between the case step 1c and the pin 5 is closed, and the pin 5 stops. Further, the power supply negative spring 3 is engaged with the negative electrode of the power supply plug 11. Next, FIG. 3 which is a cross-sectional view in the vertical direction of the power plug insertion / removal direction is described.

FIG. 3 is a sectional view taken along line AA ′ of FIG. As shown in Fig. 3, the pipe 2, the power supply negative spring 3, the bush 4, the pin 5, the insulation pipe 6, the first packing 8, and the second packing 9 are inserted into the insertion hole 1a of the case 1. Construct (Bushing 4, insulating pipe 6, first packing 8 and second packing 9 are not shown.) Power jack is inserted.

Further, when the retaining ring portion 7a of the power supply spring 7 is supported by the retaining ring groove 2a of the pipe, the substrate contact portion 7b of the power supply spring 7 is connected to the substrate 10. The main body packing 12 is disposed between the upper case and the lower case.

As shown in Fig. 4, insert the power plug 11 into the case insertion hole 1a in the insertion direction. Eve 2, power minus spring 3, bush 4, pin 5, insulating pipe 6, first packing 8, and second packing 9 (power minus spring 3, insulating pipe 6, and second packing 9 are not shown. Power jack consisting of Is inserted. Further, the power supply spring 7 is supported by the retaining ring groove 2a of the pipe and connected to the power supply pattern 10a of the substrate.

The other power supply spring 7 is supported by the retaining ring groove 5a of the pin and connected to the power supply pattern 10a of the substrate.

Here, a method of assembling with the power jack section of the embodiment of the present invention will be described.

The inner diameter of the power plug of pipe 2 in the insertion direction should be

4 and power supply minus spring 3 are fitted. Attach the first packing 8 to the first packing mounting groove 2 b on the outer diameter of the pipe 2. Also, the insulating pipe 6 and the second packing 9 are inserted from the tip 5 b direction of the pin 5. Next, the power jack is assembled by inserting the pin 5 into the inside diameter of the pipe 2 in the opposite direction to the power plug from the tip 5b.

Furthermore, by inserting the power jack into the insertion hole 1a of the case 1 to the vicinity of the step 1c, the retaining portion 1b of the case 1, the retaining ring groove 2a of the pipe 2, and the retaining ring of the pin 5 are provided. The insertion position of groove 5a matches. Here, the power jack is fixed to the case by engaging the retaining ring 7 of the power spring 7 with the retaining ring groove of the pipe 2 and the pin 5.

Next, one of the cases, to which the board 10 is fixed with the screws 13, is screwed through the case to which the power jack is fixed and the body packing 12, so that the board contact part 7 b of the power spring Ί And the power supply pattern 10a of the board 10 are connected.

The above is the method of assembling the power jack. The pipe 2 and the pin 5 are sealed and fixed by the first packing 8 and the second packing 9 as described above. And no water enters through the through hole of pipe 2. Further, a conduction path of an electric signal in the power jack according to the embodiment of the present invention will be described. When the power plug 11 is inserted into the power jack, the power The negative signal of the source plug 1 3 conducts to the pipe 2 from the tip of the power minus spring 3, conducts to the power spring 7 from the retaining ring groove 2 a of the pipe 2, and the board contact at the tip of the power spring 7 The part 7b is connected to the power supply pattern 10a of the substrate 10 and is electrically connected to the electronic circuit.

On the other hand, the positive signal of the power plug 11 conducts from the tip 5 b to the pin 5, conducts from the retaining ring groove 5 a of the pin 5 to the power spring 7, and contacts the board contact 7 at the tip of the power spring 7. b is connected to the power supply pattern 10a of the substrate 10 and is conducted to the electronic circuit. At this time, the pipe 2 and the pin 5 inserted into the through hole of the pipe 2 are insulated by the insulating pipe 6.

Next, a specific description will be given based on another embodiment of the present invention.

FIGS. 5 to 7 show forms of a portable device equipped with the power jack of the present invention. Fig. 5 is a cross-sectional view of the mobile device before the power plug is inserted. Fig. 6 is a plan view of the mobile device with the back case and screws removed, and Fig. 7 is a cross-sectional view of the mobile device after the power plug is inserted.

As shown in Fig. 5, the pin end 5a connected to the positive electrode in the hole (not shown) of the power plug 11 and the two second packings 9 for mounting the two second packings 9 and the groove 5 c, pin 5 forces with retaining ring groove 5 a to give take positive filigree spring 1 ^6?, is揷勘the through hole of the pipes 2 through the second packing 9. When the pin 5 and the pipe 2 are insulated by the second packing 9, the pin 5 and the pipe 2 are detachably sealed and fixed.

Power plug 1 1 The tip connected to the negative electrode of 1, the power supply negative spring 3 consisting of the retaining ring 3 a, the power supply negative spring retaining ring groove 2 e, and the first packing 8, Groove 2b, a flange 2c for locking the insertion position into the pipe insertion hole 1f provided in the case 1, and a retaining ring groove 2a for attaching a minus wire spring 15 to the pipe 2 The outer peripheral portion is fit into the pipe insertion hole 1 f provided in the case 1 via the first packing 8. The pipe 2 and the case 1 are detachably sealed and fixed by the first packing 8.

That is, the front of the pipe 2 is detachably secured by the retaining ring 3a of the power supply minus spring 3 to fix the power plug insertion direction, and the rear of the pipe 2 is detachably powered by the case 1 and the flange 2c. Fix the direction.

In addition, the back case to which the insertion hole 1a for inserting the power plug 11 and the packing 12 for the main body is mounted contains the board 10 that takes into account the minus wire spring 15 and plus wire spring 16 In addition, the back case having the holding groove A 1 d and the holding groove B 1 e for accommodating the minus wire spring 15 and the plus wire spring 16 is fixed with the screw 13.

That is, by attaching the plus wire spring 16 to the retaining ring groove 5 a of the pin 5, the plus wire spring 16 is detachably fixed by the holding groove B 1 e on the substrate 10 and the back case. This secures the power plug insertion / removal direction for pin 5.

As shown in FIG. 6, in the insertion direction of the power plug 11, there is a pin tip end of the pin 5, and a power minus spring 3 is disposed at the tip.

Further, in the main body packing groove of the case 1, a minus wire work spring 15 connected to the flange portion 2c of the pipe 2 and the pipe 2 and a plus wire work spring 16 connected to the pin 5 are attached. The main body packing 12 is installed so as to surround the board 10 having the hole 10b and the plus hole 10c.

Ό

As shown in FIG. 7, when the power plug 11 is inserted into the insertion hole 1 a of the case 1, the positive electrode is inserted into the positive electrode into the hole (not shown) of the power plug 11. When b is felt, pin 5 moves in the power plug insertion direction, but the gap between the plus wire spring 16 and the retaining groove B 1 e in the back case is closed. Pin 5 stops. Further, the tip of the power supply negative spring 3 is engaged with the negative electrode of the power supply plug 11.

Next, FIG. 8 to FIG. 10 which are cross-sectional views in the vertical direction of the power plug unplugging direction will be described.

8 is a sectional view taken along the line BB ′ of FIG. 5, FIG. 9 is a sectional view taken along the line CC ′ of FIG. 5, and FIG. 10 is a sectional view taken along the line DD ′ of FIG.

As shown in Fig. 8, a power plug composed of Case 1 and a back case. で Inside the inlet, a retaining ring groove 2a and a pin 5 into which a retaining ring part 3a shaped like a retaining ring of a power minus spring 3 is inserted. Is supported by the pipe insertion hole 1 f in the case 1.

As shown in FIG. 9, the pipe 2 supporting the pin 5 with the through hole is supported by the case 1 and is supported by the minus wire spring 15. The negative wire spring 15 is a pipe contact part inserted into the retaining ring groove 2a in the pipe 2, and the board negative contact part inserted into two minus holes 10b in the board 10. It is composed of 15b and a negative wire-worked spring head 15c supported by the holding groove A1d in the back case.

As shown in FIG. 10, the pin 5 is supported by the plus wire spring 16.

Positive wire spring 16 is inserted into bin contact part 16a of retaining ring groove 5a on pin 5 and two plus holes 10c of substrate 10. 16 b and a plus-headed spring head 16 c supported by the holding groove B 1 e in the back case.

Here, a method of assembling a power jack portion according to another embodiment of the present invention will be described. First, insert the pipe 2 with the first packing 8 into the pipe insertion hole 1 f of the case 1 from the power plug removal direction until the flange 2 c of the pipe contacts the case. Next, insert the retaining ring portion 3a in the shape of a retaining ring of the power supply negative spring 3 into the power supply negative spring retaining ring groove 2e of the pipe 2 exposed from the pipe insertion hole 1f of the front case 1. Insert pin 5 with two second packings 9 into the through holes of pipe 2 and insert the retaining ring groove 5 a on pin 5 from the power plug insertion direction to the plus hole 10 c of board 10 from the power plug insertion direction. Buy.

Next, the minus hole of the board 10 near the retaining ring groove 2a of the pipe 2 exposed from the pipe insertion hole 1f of the rear case 1 By inserting the contact portion 15b, the pipe contact portion 15a of the negative wire spring 15 is engaged with the retaining ring groove 2a of the tip 2.

Furthermore, the positive hole 10 of the substrate 10 near the retaining ring groove 5a of the pin 5 exposed from the rear of the retaining ring groove 2a of the pipe 2, the substrate plus contact part 1 of the plus wire work spring 16 By inserting 6b, the pin contact part 16a of the plus wire work spring 16 is engaged with the retaining ring groove 5a of the pin 5. The above is the method of assembling the power jack. The pipe 2 and the pin 5 are sealed and fixed by the first packing 8 and the second packing 9 as described above, so that the pipe insertion hole 1 is formed. Water will not enter through f and through hole of pipe 2.

Further, a conduction path of an electric signal in the power jack according to the embodiment of the present invention will be described. When the power plug 11 is inserted into the insertion hole 1 a of the case 1, the negative signal of the power plug 11 is sent from the tip of the power negative spring 3 to the retaining ring 3 a, and the power negative spring retaining ring of the pipe 2 From groove 2 e to the retaining ring groove 2 a of the negative wire filigree spring, further from the pipe contact part 15 a of the negative wire filigree spring 15 to the board negative contact part 15 b, and finally through the board 10 Conducted to the electronic circuit through the minus hole 1 Ob. The positive signal of the power plug 11 is applied from the pin tip 5 b of the pin 5 to the retaining ring groove 5 a for stopping the plus wire spring. From the contact section 16a to the board plus contact section 16b, finally, electrical conduction is made to the electronic circuit through the plus hole 10 of the through hole of the board 10.

At this time, the pipe 2 and the pin 5 inserted into the through hole of the pipe 2 are insulated by the second packing 9.

Next, a jack cover used for the power jack described above will be specifically described based on an embodiment shown in the drawings.

FIGS. 13 to 18 show embodiments of a wrist information device equipped with the jack cover of the present invention.

FIG. 13 is a partial cross-sectional view showing a configuration before plug insertion into the arm information device, and FIG. 14 is a partial cross-sectional view showing a configuration after plug insertion into the arm information device. FIG. 15 is a side view of the plug shown in FIG. FIG. 16 is a rear plan view of FIG. FIG. 17 is a side view of the plug insertion / removal direction in FIG. FIG. 18 is a rear plan view of FIG.

As shown in Fig. 13, the extension of the plug 11 in the case insertion direction is made by attaching the force bar portion 104c that engages with the mounting portion 101b in the case 1 and the inner periphery of the jack 106. Jack cover 104 is attached to the main body of the arm information device.

As shown in Fig. 14, by disengaging the cover part 104c of the jack cover 104 from the mounting part 101b of the case 1 and the inner periphery of the jack 106, The cover 104c of the jack cover 104 is locked to the back of the arm information device, and the plug 11 is inserted into the jack 106 inside the main body of the arm information device.

Next, FIG. 15 which is a side view from the plug insertion / extraction direction will be described.

FIG. 15 is a side view of E_E ′ of FIG. As shown in Fig. 15, on the side of case 1, a jack force bar composed of a fixing portion 104e having a fixing hole 104a, a bent portion 104b, and a force bar portion 104c is provided. 104 is locked (The dotted fixing hole 104a is a perspective view).

Further, a spring rod 102 serving as a shaft is penetrated through a fixing hole 104 a provided in the node 103 and the fixing portion 104 e, and both ends of the spring rod 102 are connected to the case 1. The jack cover 104 and the band 103 are fixed to the case by being pivotally supported by the power hole 101 a of the antenna.

Next, Fig. 16 before the plug 11 is inserted will be described from the back plane of the arm information device.

FIG. 16 is a rear plan view of FIG. As shown in FIG. 16, the cover portion 104 c of the jack cover 104 is locked to the case 1 in the insertion direction of the plug 11.

In the same direction as the mounting direction of the cover part 104 c of the jack cover 104, the horizontal hole part 103 a of the band 103 is fixed to the fixing part 104 fixing the jack 104 e. The spring rod 102 is penetrated through 04 a and both ends of the spring rod 102 are pivotally supported by the can hole 101 a of the case 1. Further, the bent portion 104b of the jack cover 104 is arranged so as to be aligned with the side hole portion 103a of the band 103.

FIG. 17 shows a form in which the jack cover 4 is removed from FIG.

When the mounting portion 100b of the case 1 is disengaged from the force bar portion 104c of the jack cover 104, the jack 106 appears and the bent portion 104b of the jack force bar 104 comes out. Bendable. In addition, the spring rod 102 is passed through the fixing hole 104 a of the node 103 and the fixing part 104 e, and the rain tip of the spring rod 102 is connected to the case hole 101 a of the case 1. The jack cover 104 and the band 103 are fixed to the case by being pivotally supported. Next, Fig. 18 after inserting the plug 11 from the back surface of the arm information device is explained. O

Figure 18 removes the cover 104c of the jack cover 104 from Figure 16 It shows the form. After disengagement of the mounting part 100b of the case 1 and the cover part 104c of the jack cover 104, the part 104b of the cover is made with the fulcrum around the tip of the bent part 104b. By folding the bent portion 104b so that it rotates about 180 °, the plug 11 is inserted into the main body after the plug 11 is removed from the insertion direction.

Also, in the same direction as the mounting direction of the cover part 104 c of the jack cover 104, the side hole part 103 a of the terminal 103 and the can hole 101 a of the case 1 and the fixing part 1 The spring rod 102 is inserted through the fixing hole 104 e of the e 104 e, and the bent part 104 b of the jack cover 104 is aligned with the horizontal hole 103 a of the band 103. It is a configuration arranged in.

In the above configuration, the jack cover is formed of an elastically deformable material such as rubber or an elastomer.

Here, a method of assembling the jack cover according to the embodiment of the present invention will be described.

After the main body casing of the arm information device, when attaching the band on the jack force bar side, attach the spring bar 102 to the side hole portion 103 of the band 103 and the fixing hole 1 of the jack cano 104. Pass through 0 4 a. Further, the tip of the spring rod 102 penetrating the node 103 and the fixing portion 104 e is passed through the can hole 101 a on the jack cover side of the case 1.

Next, the other end of the spring rod 102 is passed through the can hole 101a on the opposite side of the jack cover of the case 1 so that the case 1, the band 103 and the jack cover 104 are fixed. You. In addition, a configuration in which the canopy part 104 c of the jack cover 104 is engaged with the inner periphery of the mounting part 101 b and the jack 106 on the side surface of the case 1 to assemble it after the main casing. Made it possible.

Next, a specific description will be given based on another embodiment of the present invention. FIG. 19 is a rear plan view showing the form of the arm information device equipped with the jack cover.

FIG. 20 is a rear plan view showing the form of the band of the arm information device in which the jack cover and the band are integrally formed. As shown in FIG. 19, the cover part 104 c of the jack cover 104 is locked to the case 1 in the insertion direction of the plug 11.

In addition, in the mounting direction of the cover part 104 c of the jack cover 104 and the vertical direction, the fixing holes provided in the horizontal hole part 103 a and the fixing part 104 e of The spring rod 102 is penetrated through 104 a, and both ends of the spring rod 102 are pivotally supported by the can hole 101 a of the case 1.

Further, one of the bent portions 104 b of the jack cover 104 is arranged so as to be aligned with the lateral hole portion 103 a of the node 103.

Further, as shown in FIG. 20, a side bent portion 103 a through which the spring bar 102 of the band 103 penetrates is formed with a node bent portion 103 b. A band cover portion 103c is formed at the tip of the bent portion 103b.

After attaching band 103 to main body case 1 with spring bar 102, cover 103c is attached to mounting part 1.01b and jack 106 on the side of case 1. Engage with the circumference (not shown).

When the jack force bar and the band are integrally formed in this manner, in addition to being integrally formed of an elastically deformable material such as a rubber elastomer, both are separately formed and then integrally formed by bonding or the like. May be. Industrial applicability

The present invention has the following effects as described above.

(1) The power jack mounting area including the power jack mounting hole on the board No space is required and the substrate can be miniaturized.

(2) The mounting height of the board can be limited by removing the base of the power jack.

(3) Conducting electrical connection with the board by means of a spring eliminates the need for troublesome soldering work and reduces the size of the board by eliminating solder patterns. The power jack can be easily disassembled because the spring is detachable from the board.

(4) The double packing structure around the pin and the outer periphery of the pipe easily provides waterproofing of the power jack itself, and eliminates the need for tightly fixing (insert molding or bonding) through the connection terminals through the base.

Further, according to the present invention, it is possible to provide a compact and thin power jack by completely waterproofing the power jack and to eliminate the base of the conventional power jack by completely different configuration from the conventional power jack. This has the effect of achieving cut-off.

As described above, the power jack cover has the following effects.

(1) Since the jack force bar is installed from the outside of the case, there is no need for an installation space for forming a recess in the case, and the size of the arm information device can be reduced.

(2) The way the jack cover is fixed to the case is passed through the spring bar so that the jack cover made of rubber or elastomer does not come off the case.

(3) When replacing the jack cover for after-sales service etc., the case will not be opened and there will be no problem of dust and litter entering the equipment. Further, according to the present invention, the fixing of the conventional jack cover is completely different from that of the conventional jack cover, so that the fixing space in the case can be eliminated, so that a small and thin jack cover is provided and the compactness of the arm information device is reduced. In achievement Is it effective? is there.

Also, since the jack cover can be attached and removed without opening the case, there is no need to guarantee the waterproofness of the arm information device, which improves the ease of assembling and after-sales service of the jack cover. In addition, there is an effect that the user can exchange the jack cover.

Claims

Scope

1. A hollow member into which the power plug is inserted,

A first terminal provided in the hollow member and in contact with an outer periphery of a power plug;

A second terminal provided in the hollow member and in contact with the inner periphery of the power plug;

A power jack comprising: an insulating member provided between the hollow member and the second terminal.

2. The power jack according to claim 1, wherein packing is provided between the hollow member and the second terminal to prevent liquid from entering.

3. Case and

A hollow member provided in the case and into which a power plug is inserted; a first packing provided between the case and the hollow member to prevent liquid from entering;

A second terminal provided in the hollow member and in contact with an inner periphery of a power plug;

A power jack comprising: an insulating member provided between the hollow member and the second terminal; and a second packing for preventing intrusion of a liquid.

4. An electronic device, comprising: a power jack according to any one of claims 1 to 3.