JP2012059479A - Water-proof attachment structure of connectors - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water-proof attachment structure of connectors with a simple configuration to prevent water from infiltrating a device to be attached through the connectors themselves and through between the connectors and members with the connectors mounted thereon.SOLUTION: A mounting port 2 for mounting a jack is formed in a cabinet 1 of an electronic device to be attached to penetrate the inside and outside of the cabinet, a positioning groove 6 is configured to arrange an O-ring 5 in a peripheral side part of a housing 4 of a jack 3, a terminal part 10 is extended from an armature piece 8 positioned in a plug insertion hole 4a to protrude outwardly from a bottom part 4b of the housing 4 through a passage hole 4c, the jack 3 is mounted on the mounting port 2 of the cabinet 1 with the O-ring 5 positioned in the positioning groove 6 of the housing 4, the terminal part 10 projecting from the bottom part 4b of the housing 4 of the jack 3 is made to contact a printed substrate 11 positioned in contact with an inner side opening of the mounting port 2, and a cover member 7 covers and fixes an outer side of the mounting port 2. Also, the gap in the bottom part 4b of the housing 4 is filled with an adhesive bond.

Description

  The present invention relates to a waterproof mounting structure for connectors that are attached to various electronic devices that may come into contact with rainwater or other water during use or storage, and that are used for sending and receiving electrical signals and the like.

  In this type of waterproof mounting structure for connectors, a configuration in which the plug insertion hole is closed with a cap such as a rubber cap is known.

  Patent Document 1 shows an example of this, which is an example of waterproof rubber that inserts an insertion portion that matches the mouth shape into a plug insertion port of a jack of an electronic device such as a mobile phone and closes it. is there. Since this waterproof rubber is configured separately from the jack, it is easily lost when a plug is inserted into the plug insertion hole, or when the plug insertion port is closed, the case of the electronic device Thus, there is a problem in that there is a restriction on the design of the device and the response to downsizing. In addition, in a state where it is not closed with waterproof rubber, water tightness is not ensured, and there is a risk that moisture may permeate into the device through the jack.

  Another example is shown in Patent Document 2, which is an example of a cap configured in a mobile phone device, which communicates between an earphone cap attached to an earphone interface unit (earphone jack) and an external device. It is an example of the cap attached to the interface part (connector) for performing. Both are configured to be able to rise and fall at the corresponding part of the casing, and in the prone state, each is closed in a watertight state and opened in the standing state. Since these caps are constructed integrally with the casing of the device, there is no risk of losing them. However, when connecting a plug or the like to the jack, etc. There is a problem that the cap becomes obstructive at that time. Also, it is hard to say that it is excellent in aesthetics. There are also constraints on the appearance of the equipment. Further, in the state where these caps are erected (opened state), the watertightness of the connector such as the jack cannot be maintained. In this case as well, there is a possibility that moisture may permeate into the device.

  Patent Document 3 is an example of an earphone jack waterproof structure for a portable wireless device in which a plug insertion hole of the earphone jack is closed with a waterproof cap. Regarding the waterproof cap, there is almost the same problem as in Patent Document 2, but in this Document 3, there is a strong point in solving such a problem, and it closes the leaking point where water that has penetrated into the earphone jack leaks. It is closing with a member. That is, the waterproof structure of the earphone jack of the portable wireless device is formed by attaching a waterproof sheet to a surface portion of the earphone jack housing mounted on the printed circuit board and having a portion excluding the opening blocking portion of the waterproof sheet. Bending and adhering to adjacent surfaces of the housing, and applying an adhesive over the entire circumference of the joint between the earphone jack and the printed circuit board, the joint is closed.

  Therefore, according to Patent Document 3, as described above, the point of the waterproof cap is the same as that of Patent Document 2, except that the waterproof cap is forgotten or the waterproof cap is broken. However, as a result, even if rainwater or the like may permeate to the earphone jack, it does not seem to permeate the rainwater or the like into the device body. Waterproof performance seems to be quite high.

  However, according to the technique of Patent Document 3, one surface of the earphone jack is bonded to the printed circuit board, and the surface on the side where the plug insertion hole is opened is covered with the top cover of the device. Is not originally covered with either. One of the four surfaces (the surface facing the surface where the plug insertion hole portion is formed) has an opening, and two terminal locking holes are also provided on the two surfaces adjacent to the opening. It is open. Therefore, it is necessary to affix the waterproof sheet not only on the surface having the opening but also on two adjacent surfaces having two terminal locking holes. As shown in claim 4 and the embodiment, the waterproof sheet is attached to the other two surfaces while being folded through several steps including the step of attaching to the surface having the opening of the housing. The entire surface must be covered. It must be said that the configuration is rather troublesome.

Japanese Patent Laid-Open No. 05-205809 (paragraph 0015, FIG. 1) JP 2005-151629 A JP 2000-295133 A

  The present invention solves the above-described problems of the prior art, and does not use caps on the opening side of the plug insertion hole, and has a simple configuration, and allows water from the connectors themselves to the electronic device to be attached. Connectors that prevent both intrusion and infiltration of water into the electronic device to be attached through between the connectors and a portion on which the connector is mounted, and avoid damage due to infiltration of water into the electronic device to be attached It is an object of the present invention to provide a waterproof mounting structure.

  1 of the present invention forms a mounting port for mounting connectors through the inside and outside of a cabinet of an electronic device to be attached, and forms a positioning groove for arranging an O-ring on the peripheral side portion of the housing of the connectors, The connector is a waterproof mounting structure for connectors in which the O-ring is arranged in the positioning groove of the housing and the connector is inserted and arranged from the outside in the mounting port of the cabinet.

  A second aspect of the present invention is the clearance mounting structure for the connectors of the first aspect of the present invention, which is located at the bottom of the housing of the connectors and opens to the outside from the connection hole with the corresponding other connector. A gap including a passage hole through which a terminal portion located at the bottom and extends from the contact piece in the connection hole to the outside of the bottom is filled with an adhesive.

  According to a third aspect of the present invention, in the waterproof mounting structure for connectors according to the first or second aspect of the present invention, the connectors are covered with a cover member except for the opening at the front end of the connection hole and fixed to the mounting opening. .

  According to the waterproof mounting structure for connectors according to the first aspect of the present invention, a positioning groove is formed in the peripheral side portion of the housing of the connectors, an O-ring is disposed in the positioning groove, and then the connectors are mounted on the mounting port of the cabinet. Therefore, watertightness between the inner peripheral surface of the mounting opening and the housing of the connectors is secured, and moisture such as rainwater does not permeate into the electronic device to be attached. If the inside of the connectors is appropriately processed, moisture does not penetrate into the electronic device to be attached through the inside of the connectors. Further, as described above, since the connectors are inserted into the mounting opening of the cabinet of the electronic device from the outside, mounting is easy. For this reason, when the connectors are damaged, it is easy to replace them.

  If these connectors are configured to fix the connectors to the mounting port itself or to the mounting port, and the upper design is configured to match the design of the exterior of the cabinet, The mounting of the connectors is completed only by inserting the connectors into the mounting port.

  In any case, according to the waterproof mounting structure of the connectors of the present invention, only the opening of the connection hole such as the plug insertion hole needs to be exposed outside the cabinet, and nothing else protrudes specially. There is no need to let them. Therefore, as described above, it is possible to design the outer surface side of the connectors directly as the outer surface of the part of the cabinet, but even if the connectors are covered by other means, The design is highly flexible. Further, since the configuration is very simple, it contributes to miniaturization. Further, as described above, since the configuration is extremely simple, the assembly is also easy in that aspect.

  According to the waterproof mounting structure for connectors of 2 of the present invention, an adhesive is applied to the gap that is present at the bottom of the housing of the connectors and communicates with the corresponding connection hole with the other connectors, and the gap is formed. Since the filling is performed, there is no possibility that rainwater or other moisture that has entered the inside of the electronic device through the connection hole may enter the electronic device to be attached through the gap. Therefore, it is not necessary to close the connection holes of the connectors with a rubber cap or the like, and as described above, the degree of freedom in designing the outer surface side of the cabinet is increased.

  According to the waterproof mounting structure for connectors 3 of the present invention, the connectors can be reliably fixed to the mounting port of the cabinet by covering with a cover member that is normally performed, and an additional step for fixing Or no additional special components are required.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view for explaining a waterproof mounting structure for connectors (jacks) according to an embodiment (only a portion of a mounting target device and a cover member are omitted). The whole perspective view for explanation of the state where the cover member of the waterproof attachment structure of connectors (jack) of one embodiment was removed (the attachment object apparatus is only a part). The whole perspective view for explanation which looked at the waterproof attachment structure of connectors (jack) of one embodiment from the slanting lower part in the state where the substrate was removed (attachment object apparatus is only a part). (a) is a plan view of the jack, (b) is a right side view of the jack, (c) is a front view of the jack, (d) a rear view of the jack, (e) is a bottom view of the jack, and (f) is a jack. The perspective view seen from diagonally below. The longitudinal cross-sectional view of a jack. (a) is an overall perspective view for explanation of the state where the jack is removed from the waterproof mounting structure of the connectors (jack) of one embodiment (the mounting target device is only a part), and (b) is an A- of (a). A line sectional view, (c) is a BB line sectional view of (a). (a) is a cross-sectional view showing a state in which a jack that is not sectioned is inserted into the mounting port in the drawing corresponding to FIG. 6 (b), and (b) is a cross-sectional view in the mounting port in the drawing corresponding to FIG. 6 (b). A cross-sectional view showing a state in which a jack that has not been inserted is inserted. (C) is a cross-sectional view at the same position as in FIG. FIG.

  DESCRIPTION OF EMBODIMENTS Embodiments for carrying out the invention will be described in detail with reference to the drawings. The waterproof mounting structure for connectors according to this embodiment will be described taking a jack as an example of connectors. The waterproof mounting structure for connectors according to this embodiment is therefore a description of the waterproof mounting structure for jacks, but it goes without saying that the basics of the configuration are not different even for other types of connectors.

  As shown in FIGS. 1 to 3 and 7, the waterproof mounting structure of the jack basically forms a mounting port 2 for mounting a jack that penetrates the inside and outside of the cabinet 1 of the electronic device to be mounted. The positioning groove 6 for fitting and arranging the O-ring 5 on the peripheral side portion of the housing 4 of the jack 3 is formed, and the jack 3 is placed in the positioning groove 6 of the housing 4 in the state where the O-ring 5 is arranged. The mounting port 2 is inserted from the outside, and the outer surface side of the mounting port 2 is covered with a cover member 7 and fixed.

  The electronic device to be attached is applicable to various electronic devices, for example, various electronic devices that are carried and used. There is a possibility of coming into contact with rainwater outdoors, and even indoors, for example, there is a possibility of coming into contact with other water for drinking or juices, etc., and it is effective to use for such an electronic device. . Specifically, cellular phones and the like are effective application targets.

  The cabinet 1 is an outer case of an electronic device to which the jack 3 is attached. In this embodiment, the cabinet 1 is formed of an insulating plastic. As shown in FIGS. 1, 2, 3, 6, and 7 (in the figure, the cabinet 1 shows only the vicinity of the mounting port 2 of the jack 3). It is a space configured to penetrate the inside and the outside inside a substantially rectangular parallelepiped projecting portion projecting inwardly arranged inside the cabinet 1.

  More specifically, the mounting port 2 has a substantially rectangular parallelepiped shape penetrating the inside and outside of the cabinet 1 as shown in FIGS. 1, 6 (b), (c) and FIGS. 7 (a) to (c). In the space, a lower holding part 2a having a planar shape that is substantially the same as the planar shape of the lowermost part of the housing 4 of the jack 3 and a slightly larger lower holding part 2a, and a stepped part 2b in which the upper part formed on both sides and rear thereof is enlarged. And a cover holding groove 2c, 2c formed on both sides of the uppermost part, and a semicircular opening 2d for insertion in the lower half of the plug p opened at the front part.

  As shown in FIGS. 4 (a) to 4 (f) and FIG. 5, the jack 3 is composed of the housing 4 having a substantially rectangular parallelepiped appearance and contact pieces 8 arranged on the housing 4. It is.

  The housing 4 has a plug insertion hole (connection hole) 4a that opens to the front inside, and the positioning groove 6 over the entire circumference of the housing 4 and a locking flange 9 just above it. It is a thing. The positioning groove 6 is configured at a certain height position over the entire circumference of the housing 4. As shown in FIGS. 6B and 6C and FIGS. 7A to 7C, this height position is obtained by inserting the jack 3 into the mounting port 2 in the peripheral side portion of the housing 4. In this case, the position corresponds to the uppermost portion of the lower holding portion 2a of the mounting port 2. It can also be said that the height corresponds to the level immediately below the step 2b.

  As shown in FIGS. 4 (a) to (f), FIG. 5 and FIGS. 6 is configured so as to project outwardly immediately above the center. When the jack 3 is inserted into the mounting port 2 of the cabinet 1, as shown in FIGS. 7 (a) to 7 (c), the locking collar 9 is placed on the stepped portion 2 b of the mounting port 2. And the positioning in the height direction of the mounting port 2 of the jack 3 is performed.

  The plug insertion hole 4a opens in front of the housing 4 of the jack 3 as shown in FIGS. 1, 2, 4 (a), (c), (f), 5 and 6 (c). . The height of the front opening is directly above the positioning groove 6 for positioning the O-ring 5 as shown in FIG. As shown particularly in FIG. 5, the plug insertion hole 4a is a cylindrical space formed inside the housing 4 along the length direction of the housing 4 and has a general configuration.

  Further, the front upper portion of the housing 4 corresponds to the outer surface shape of the cabinet 1 in this embodiment, as shown in FIGS. 1, 2, 4 (b), (f), 5 and 7 (a). As shown in the figure, a slanting upward inclined surface is formed from the middle of the height direction of the front opening of the plug insertion hole 4a to the middle of the rear.

  The contact piece 8 is a general means for making an electrical connection by making contact with the corresponding electrode of the plug p inserted into the plug insertion hole 4a of the jack 3, and that of this embodiment is shown in FIG. As shown in FIG. 4, the terminal portion 10 extends from the contact piece 8 to the outside of the bottom portion 4 b of the housing 4 and is disposed in the plug insertion hole 4 a of the housing 4. This is also a general configuration. Specifically, the contact pieces 8 include a tip contact piece that contacts the tip electrode of the plug p, a ring contact piece that contacts the ring electrode, a sleeve contact piece that contacts the sleeve electrode, and the like. The terminal portion 10 extends outward from each of the terminal portions 10 through the bottom 4b.

  Each of the terminal portions 10 protrudes out of the bottom portion 4b through passage holes 4c, 4c,... Formed in the bottom portion 4b of the housing 4, and opens to the passage holes 4c, 4c, and other bottom portions 4b. A gap (not shown) is filled with an adhesive.

  In addition, the terminal part 10 which protrudes from the bottom part 4b of the housing 4 of the jack 3 is in the mounting state of the jack 3 to the mounting port 2 of the cabinet 1, as shown in FIG.1 and FIG.7 (a)-(c). The lands 11a, 11a,... Formed in a positional relationship corresponding to the printed circuit board 11 arranged on the inner opening side of the mounting port 2 are brought into contact with each other. This makes the electrical connection to the necessary parts inside the device.

  The O-ring 5 is disposed in a positioning groove 6 formed in the housing 4 of the jack 3 as shown in FIGS. 1, 6B, 7C and 7A to 7C. It is a rubber annular member of a suitable size, and is a known general one.

  As shown in FIGS. 2, 6 (a) to 6 (c) and FIGS. 7 (a) to (c), the cover member 7 closes the upper and front openings of the mounting opening 2 of the cabinet 1. It is a covering member, and is a plate-like member formed of the same material plastic having the same upper surface shape as the upper surface shape on both sides of the mounting port 2 of the cabinet 1. On both sides of the upper planar portion, as shown in FIGS. 2, 6 (c) and 7 (b), (c), cover holding grooves 2c formed on both upper sides of the mounting opening 2 are formed. 2c, slide locking pieces 7a, 7a that can be slidably inserted are formed in the lower portion of the center of the front portion and inclined obliquely forward. And as shown to Fig.7 (a), the semicircle opening 7b for allowing the upper half of the plug p inserted in the plug insertion hole 4a of the jack 3 to pass is formed.

  Therefore, according to the waterproof mounting structure for jacks (connectors) of this embodiment, the jack 3 can be easily mounted on the mounting port 2 of the cabinet 1 as follows.

  The jack 3 has an O-ring 5 inserted in the positioning groove 6 of the housing 4, and the front / rear direction of the housing 4 is aligned with the front / rear direction of the mounting port 2, so Insert into the loading port 2. When the jack 3 is lowered in the mounting port 2, as shown in FIGS. 7 (a) to 7 (c), a locking hook portion 9 formed on the peripheral side of the housing 4 is formed in the mounting port 2. It will be in the mounting state in a certain level | step-difference part 2b, and will be positioned in the appropriate height position in this mounting port 2. FIG. Thus, as shown in the figure, the bottom 4b of the housing 4 is brought into a close proximity to the upper surface of the printed circuit board 11, and each of the terminal sections 10 protruding from the bottom 4b corresponds to the printed circuit board 11. It contacts the lands 11a, 11a.

  Thereafter, the upper opening of the mounting port 2 of the cabinet 1 is closed with the cover member 7. Insert the slide locking pieces 7a, 7a on both sides of the cover member 7 while aligning the rear ends of the cover holding grooves 2c, 2c formed on both sides of the upper portion of the mounting port 2 with the cover members 7 being in place. 7 is pushed rearward, the slide locking pieces 7a, 7a slide in the cover holding grooves 2c, 2c, and the mounting port 2 is moved as shown in FIGS. 7 (a) to (c). It will be in the closed state except the site | part corresponding to the plug insertion hole 4a.

  According to the waterproof mounting structure for jacks (connectors) of this embodiment, as described above, the entire jack 3 is disposed in the mounting opening 2 and covered with the cover member 7. The cabinet 1 and the cover member 7 can be freely designed.

  In addition, water such as rain water, drinking water and other domestic water may infiltrate into the mounting port 2 for some reason through the full circular opening 2d of the mounting port 2 and the semicircular opening 7b of the cover member 7. However, since the O-ring 5 is disposed between the housing 4 of the jack 3 and the inner periphery (the lower holding portion 2a) of the mounting port 2, water tightness is maintained, and from the inside of the jack 3 Since the adhesive is filled in the gap that may be in the bottom 4b of the housing 4 and the watertightness is maintained, the moisture does not easily penetrate into the electronic device to be attached. Sufficient waterproofness is maintained.

  Further, as described above, the jack 3 set in the mounting port 2 can be removed by removing the cover member 7. Therefore, if the jack 3 is damaged for some reason, it can be replaced very easily.

DESCRIPTION OF SYMBOLS 1 Cabinet 2 Loading port 2a Lower holding part 2b Step part 2c Cover holding groove 2d Semicircle opening 3 Jack 4 Housing 4a Plug insertion hole (connection hole)
4b Bottom portion 4c Passing hole 5 O-ring 6 Positioning groove 7 Cover member 7a Slide locking piece 7b Semi-circular opening 8 Contact piece 9 Locking hook portion 10 Terminal portion 11 Printed circuit board 11a Land p Plug

Claims (3)

  A mounting port for mounting connectors that penetrates the inside and outside of the cabinet of the electronic device to be mounted is formed, and a positioning groove for arranging an O-ring is formed on the peripheral side portion of the housing of the connectors. A waterproof mounting structure for connectors, in which an O-ring is placed in the positioning groove of the cabinet, and is inserted and placed from the outside into the mounting port of the cabinet.   A gap located at the bottom of the housing of the connectors, which opens to the outside of the bottom from a connection hole with the corresponding other connector, located at the bottom, and from a contact piece in the connection hole to the outside of the bottom The waterproof mounting structure for connectors according to claim 1, wherein a gap including a passage hole through which the terminal portion extended to the inside passes is filled with an adhesive.   The waterproof mounting structure for connectors according to claim 1 or 2, wherein the connectors are fixed to the mounting port while being covered with a cover member except for a front end opening of a connection hole.

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