JP2010086672A - Connector waterproof structure and electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a stable waterproofing performance with no severe dimensional tolerance of a connector component in electronic equipment with a connector. <P>SOLUTION: A connector waterproof structure includes a receptacle-side connector 10 incorporated into a case 1, an opening 16 which communicates the inside of the case 1 with its outside and in which a part 13 connecting the connector 10 with a plug-side connector 31 is disposed, a first waterproof part 23 disposed between an inner open surface to which the opening 16 of the case opens and the connector 10, a second waterproof part 25 disposed on the outer side of the opening 16 of the case 1 to waterproof the connector 10 together with the connector 31, and a floating support part 21 supporting the connector in the case 1 such that it freely floats along the open surface. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a waterproof structure for a connector incorporated in a housing, and an electronic apparatus including a connector having the waterproof structure.

In an electronic device, generally, a connector provided inside a case is exposed from an opening of the case (see, for example, Patent Document 1).
JP-A-6-338363

  Although the electronic device of Patent Document 1 is not waterproofed, in such an electronic device of Patent Document 1, it is conceivable to provide a waterproof member for both the connector and the plug connected to the connector. However, in that case, in order to obtain a stable waterproof performance, the tolerance of each part has to be tightened.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a connector with a simple structure and a stable waterproof performance without tightening the dimensional tolerance of connector parts in an electronic device including the connector.

  In order to solve the above-described problems, the invention according to claim 1 is characterized in that a receiving-side connector incorporated in the housing communicates with the inside and the outside of the housing, and the plug-side connector of the receiving-side connector is connected. An opening in which the connecting portion is disposed, a first waterproof portion provided between the opening surface inside the opening of the housing and the receiving side connector, and the outside of the opening of the housing A waterproof structure for a connector, comprising: a second waterproof portion that is provided on the plug-side connector for waterproofing the plug-side connector; and a floating support portion that supports the receiving-side connector so as to float along the opening surface inside the housing. It is characterized by.

  A second aspect of the present invention is the connector waterproof structure according to the first aspect, wherein the first waterproof portion is provided at a contact portion of the receiving connector with an opening surface inside the housing. It is characterized by that.

  A third aspect of the present invention is the connector waterproof structure according to the second aspect, wherein the first waterproof portion is integrated with a contact surface side of the receiving connector with an opening surface inside the housing. It is characterized by being molded.

  Invention of Claim 4 is the connector waterproof structure of Claim 2, Comprising: The said 1st waterproof part was formed in the contact surface with the opening surface inside the said housing | casing of the said receiving side connector It is an O-ring or a ring-shaped seal member incorporated in the ring-shaped groove.

  A fifth aspect of the present invention is the connector waterproof structure according to the fourth aspect, characterized in that a pressing member for holding the O-ring or the ring-shaped seal member in the ring-shaped groove is provided.

  The invention according to claim 6 is the connector waterproof structure according to claim 1, wherein the floating support portion is in contact with the opening surface inside the housing of the receiving connector while the opening is maintained. It has the guide part which guides the movement along a surface, It is characterized by the above-mentioned.

  A seventh aspect of the present invention is the connector waterproof structure according to the sixth aspect, wherein the guide portion is fixed to the housing.

  The invention according to claim 8 is the connector waterproof structure according to claim 1, wherein the second waterproof part is provided on the outside opening surface side where the opening of the housing opens. And

  A ninth aspect of the present invention is the connector waterproof structure according to the eighth aspect, wherein the second waterproof portion is a cylindrical seal member.

  A tenth aspect of the present invention is the connector waterproof structure according to the eighth aspect, wherein the second waterproof portion is integrally formed on the opening surface side outside the housing.

  Invention of Claim 11 is connector waterproof structure of Claim 1, Comprising: Positioning which positions with respect to a said 2nd waterproof part in the external side of the said opening part of a housing | casing, and the said plug side connector A portion is provided.

  A twelfth aspect of the invention is the connector waterproof structure according to the first aspect of the invention, wherein the plug-side connector is provided with a waterproof adapter that contacts the second waterproof portion.

  A thirteenth aspect of the present invention is characterized by an electronic apparatus including the connector having the waterproof connector structure according to any one of the first to twelfth aspects.

  According to the present invention, a stable waterproof performance can be obtained for a connector with a simple structure without tightening the dimensional tolerance of the connector parts.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a mobile phone as a configuration of an embodiment of an electronic apparatus to which the present invention is applied. 1 is a lower case, 2 is an upper case, 3 is an operation unit, 4 is a display unit, 5 is a transmission unit. , 6 is a receiver. In the illustrated example, the casing is a lower case 1 screwed with an upper case 2 through a peripheral waterproof seal structure (not shown). The upper case 2 has an operation unit 3, a display unit 4, a transmitter unit 5, and a receiver. Part 6 etc. are provided.

  2 shows the connector part of the cellular phone of FIG. 1, FIG. 3 shows the disassembled state of the connector part, 7 is a middle case, 8 is a circuit board, 9 is a microphone, 10 is a receiving side A connector 21 is a floating support. In the illustrated example, a circuit board 8 is placed on an intermediate case 7 assembled in the lower case 1, and is separated from the intermediate case 7 and the circuit board 8. 10 etc. are arranged.

  As shown in the figure, the receiving-side connector 10 is formed by integrally forming a connection portion 13 from a base portion 11 through a large-diameter intermediate portion 12, and a connector substrate 14 fixed on the base portion 11 is a circuit board via a flexible printed circuit board 15. 8 is electrically connected. The large-diameter intermediate portion 12 of the receiving connector 10 is in contact with the inner wall surface of the lower case 1, and the connecting portion 13 is disposed in the opening 16 formed in the end wall of the lower case 1.

  FIG. 4 is a view of the floating support portion 21 of FIG. 2 from the opposite side, and the receiving connector 10 is supported by the floating support portion 21 along the opening surface of the opening portion 16 so that it can float. That is, above the base portion 11 of the receiving connector 10, the flat plate-like floating support portions 21 are screwed onto the bosses of the lower case 1 on both sides. A pair of guide portions 22 that are in contact with the end face of the large-diameter intermediate portion 12 are integrally formed on the floating support portion 21 on both sides of the base portion 11.

  FIG. 5 shows an example in which the plug 30 is connected to the connector portion of FIG. 2, and 31 is a plug-side connector. In the illustrated example, the plug-side connector 31 is inserted into the connection portion 13 of the receiving-side connector 10 and is electrically connected.

(Embodiment 1)
FIG. 6 is a longitudinal side view showing the connector waterproof structure of the first embodiment, in which 23 is a first waterproof part, 25 is a second waterproof part, and 26 is a pressing member.

  That is, as shown in the figure, a ring-shaped groove is formed in the abutting surface of the large-diameter intermediate portion 12 of the receiving connector 10 with the inner wall surface where the opening 16 of the lower case 1 opens, and the ring-shaped groove In addition, the first waterproof part 23 made of seal rubber or the like is integrally formed to improve the assemblability.

  Further, an external recess 17 in which the opening 16 opens is formed on the end wall of the lower case 1, and a second waterproof part 25 made of a cylindrical seal rubber or the like is provided in the recess 17. A plate-like pressing member 26 that presses the second waterproof portion 25 from the outside is provided.

  When connecting the plug 30 to such a receiving connector 10, the receiving connector 10 is supported by the floating support portion 21 so as to float along the opening surface of the opening portion 16. When the plug-side connector 31 is inserted into the connecting portion 13 of the receiving-side connector 10, the receiving-side connector 10 including the connecting portion 13 moves along the opening surface of the opening 16 following the plug-side connector 31. In this manner, the plug-side connector 31 is inserted into the connection portion 13 of the receiving-side connector 10 to be electrically connected.

  As described above, according to the connector connection structure of the first embodiment, the first waterproofing is provided on the contact end surface of the large-diameter intermediate portion 12 of the receiving connector 10 that contacts the inner wall surface of the opening 16 of the lower case 1. Since the portion 23 is provided, the inside of the housing can be kept waterproof in a state where the plug-side connector 31 is inserted into the connection portion 13 of the opening portion 16 and is electrically connected.

  And since the 2nd waterproof part 25 is provided in the recessed part 17 of the outer side which the opening part 16 of the lower case 1 opens, as shown in the figure, it press-contacts to the inner periphery of the 2nd waterproof part 25 By providing the large-diameter portion 32, the connector insertion portion can be kept waterproof and communication can be performed.

  Therefore, in a mobile phone provided with the receiving connector 10, a stable waterproof performance can be obtained for the connector with a simple structure without tightening the dimensional tolerance of the connector parts.

(Embodiment 2)
FIG. 7 is a longitudinal side view showing the connector waterproof structure according to the second embodiment, and reference numeral 24 denotes a pressing member of the first waterproof portion 23.

In the second embodiment, in the same configuration as that of the first embodiment described above, as shown in the drawing, an O-ring or a ring is formed in a ring-shaped groove formed on the contact surface with the inner wall surface where the opening 16 of the lower case 1 opens. The first waterproof part 23 is provided with a cylindrical seal rubber or the like. And the pressing member 24 by the plate-shaped ring etc. which presses this 1st waterproof part 23 adjacent to an inner peripheral side is provided.
The pressing member 26 of the second waterproof part 25 is not necessary.

(Embodiment 3)
FIG. 8 is a longitudinal side view showing the connector waterproof structure of the third embodiment. In the same configuration as that of the first embodiment described above, the second waterproof portion 25 is integrally formed in the concave portion 17 as shown in the figure. The presser member 26 is not required and the assemblability is improved.

(Embodiment 4)
FIG. 9 is a longitudinal side view showing the connector waterproof structure of the fourth embodiment. In the same configuration as that of the first embodiment described above, as shown in the drawing, the ring-shaped groove of the large-diameter intermediate portion 12 of the receiving-side connector 10 has O A first waterproof part 23 by a ring or the like is provided on the outer peripheral side, and a pressing member 24 by a ring or the like for pressing the first waterproof part 23 from the inner peripheral side is provided.

  Thus, when using the 1st waterproof part 23 by an O-ring etc., the presser member 24 by the ring etc. which presses this 1st waterproof part 23 from an inner peripheral side is assembled | attached, and the improvement of an assembly | attachment property is aimed at. Anyway.

(Embodiment 5)
FIG. 10 is a longitudinal sectional side view showing the connector waterproof structure of the fifth embodiment. In the same configuration as that of the first embodiment described above, as shown in the figure, the pressing member 24 of the first waterproof portion 23 is not required and is not waterproof. A type of plug 40 is connected. That is, the plug-side connector 41 of the non-waterproof plug 40 is inserted into the connection portion 13 of the opening 16 to be electrically connected.

  Thus, in the state where the plug-side connector 41 of the non-waterproof type plug 40 is inserted into the connection portion 13 of the opening portion 16 and electrically connected, the inside of the housing can be kept in a waterproof state. Since the electrodes in the state are submerged, communication is impossible.

(Embodiment 6)
FIG. 11 is a longitudinal side view showing the connector waterproof structure of the sixth embodiment. In the same configuration as that of the fifth embodiment described above, a waterproof adapter 42 is provided on a non-waterproof plug 40 as shown in the figure. That is, the waterproof adapter 42 that fits in the second waterproof portion 25 is assembled to the base portion of the plug-side connector 41 of the non-waterproof plug 40.

  As described above, if the waterproof adapter 42 is provided in the non-waterproof plug 40, the inside of the housing is waterproofed in a state where the plug-side connector 41 is inserted into the connecting portion 13 of the opening 16 and electrically connected. While being able to hold | maintain, a connector insertion part can also be hold | maintained in a waterproof state and communication can be performed.

(Modification 1)
FIG. 12 shows a modified example 1 and shows a fixing structure of the guide part 22 of FIG. 4. As shown in the figure, the lower ends of the pair of guide parts 22 are inserted into the bottom surface of the lower case 1, respectively. A groove portion 18 to be fixed is formed, and the lower end portion of the guide portion 22 is inserted and fixed in the groove portion 18.

  As described above, in FIG. 4, in the floating support portion 21, the tip of the guide portion 22 is free, but by inserting and fixing the lower end portion of the guide portion 22 into the groove portion 18 formed on the bottom surface of the lower case 1, The rigidity at the time of connector connection and connection release can be improved.

  The floating support portion 21 may employ a positioning structure such as a positioning pin in addition to fixing by screwing in the illustrated example.

(Modification 2)
FIG. 13 shows a second modification. FIG. 13 (a) shows one half before plug insertion, FIG. 13 (b) shows the other half after plug insertion, 33 is a positioning part. That is, the positioning part 19 by the inclined surface is formed on the outer surface where the concave portion 17 of the lower case 1 is opened, and the positioning part 33 by the corresponding inclined surface is formed on the plug 30. The positions of the positioning portions 19 and 33 and the inclination angle thereof are set so that the second waterproof portion 25 and the large-diameter portion 32 of the plug 30 remain at the optimum sealing position.

  Thus, if the positioning part 19 by the inclined surface is formed on the outer surface where the concave portion 17 of the lower case 1 opens and the positioning part 33 by the inclined surface corresponding to the plug 30 is formed, FIG. As shown, in the opening 16, the plug-side connector 31 is connected to the connection portion 13 of the receiving-side connector 10, and the second positioning portion 19, 33 is brought into contact with the positioning portions 19 and 33 by the corresponding inclined surfaces. The large-diameter portion 32 of the plug 30 is in a pressure contact state with an optimal seal position with respect to the waterproof portion 25.

(Other variations)
In the above embodiment, the cellular phone is used. However, the present invention is not limited to this, and the present invention is not limited to this, and can be applied to all electronic devices including connectors, such as a camera, a PDA, a notebook computer, a wearable computer, a calculator, and an electronic dictionary. Can be used.
Moreover, although it was set as the connector to insert in embodiment, the connector which press-contacts terminals other than that may be sufficient.
And about the floating support part, the structure which provided the hole which a spindle penetrates integrally with the receiving side connector may be sufficient. In this case, a spring or the like may be provided around the support shaft to make it freely movable.
Furthermore, the cross-sectional shape and the like of the waterproof portion are arbitrary, and it is needless to say that other specific detailed structures can be appropriately changed.

1 is a perspective view showing a configuration of an embodiment of an electronic apparatus to which the present invention is applied, showing a mobile phone. FIG. 3 is a perspective view showing a state in which an upper case is removed, showing a connector portion of the mobile phone of FIG. 1. It is a disassembled perspective view of the connector part of FIG. It is the perspective view which looked at the floating support part of FIG. 2 from the opposite side. It is the perspective view which showed the example which connects a plug to the connector part of FIG. It is a vertical side view which shows the connector waterproof structure of Embodiment 1. It is a vertical side view which shows the connector waterproof structure of Embodiment 2. FIG. It is a vertical side view which shows the connector waterproof structure of Embodiment 3. It is a vertical side view which shows the connector waterproof structure of Embodiment 4. It is a vertical side view which shows the connector waterproof structure of Embodiment 5. It is a vertical side view which shows the connector waterproof structure of Embodiment 6. FIG. 10 is a perspective view showing a fixing structure of the guide portion of FIG. 4, showing a first modification. The modification 2 is a cross-sectional plan view (a) of one half showing before plug insertion, and a cross-sectional plan view (b) of the other half after plug insertion.

Explanation of symbols

1.2.7.Case 8 Circuit Board 10 Receiving Connector 11 Base 12 Large Diameter Intermediate Part 13 Connection Part 14 Connector Board 15 Flexible Printed Circuit Board 16 Opening 17 Recess 18 Groove 19 Positioning Part 21 Floating Support Part 22 Guide Part 23 First 1 waterproof part 24 holding member 25 second waterproof part 26 holding member 30 plug 31 plug side connector 32 large diameter part 33 positioning part 40 non-waterproof plug 41 plug side connector 42 waterproof adapter

Claims (13)

A receiving connector built into the housing;
An opening that communicates the inside and outside of the housing, and in which a connection portion with the plug-side connector of the receiving connector is disposed;
A first waterproof portion provided between an opening surface inside the opening of the housing and the receiving connector;
A second waterproof part provided on the outer side of the opening of the housing for waterproofing with the plug-side connector;
A waterproof connector structure, comprising: a floating support portion that supports the receiving connector in a floating manner along the opening surface inside the housing.   2. The connector waterproof structure according to claim 1, wherein the first waterproof portion is provided in a contact portion between the receiving connector and an opening surface inside the housing.   3. The connector waterproof structure according to claim 2, wherein the first waterproof portion is integrally formed on a contact surface side of the receiving connector with an opening surface inside the housing.   The said 1st waterproof part is an O-ring or ring-shaped seal member incorporated in the ring-shaped groove formed in the contact surface with the opening surface inside the said housing | casing of the said receiving side connector, It is characterized by the above-mentioned. The connector waterproof structure according to 2.   The connector waterproof structure according to claim 4, further comprising a pressing member that holds the O-ring or the ring-shaped seal member in the ring-shaped groove.   The said floating support part has a guide part which guides the movement along the said opening surface, maintaining the contact state with the opening surface inside the said housing | casing of the said receiving side connector. Connector waterproof structure.   The connector waterproof structure according to claim 6, wherein the guide portion is fixed to the housing.   2. The connector waterproof structure according to claim 1, wherein the second waterproof portion is provided on an external opening surface side where the opening of the housing opens.   The connector waterproof structure according to claim 8, wherein the second waterproof part is a cylindrical seal member.   The connector waterproof structure according to claim 8, wherein the second waterproof portion is integrally formed on an opening surface side outside the housing.   2. The connector waterproof structure according to claim 1, wherein a positioning portion for positioning with respect to the second waterproof portion is provided on an outer side of the opening of the housing and the plug-side connector.   The connector waterproof structure according to claim 1, wherein the plug-side connector is provided with a waterproof adapter that abuts on the second waterproof portion.   An electronic apparatus comprising the connector having the connector waterproof structure according to claim 1.

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