JP2007165175A - Enclosure seal structure - Google Patents

Enclosure seal structure Download PDF

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Publication number
JP2007165175A
JP2007165175A JP2005361694A JP2005361694A JP2007165175A JP 2007165175 A JP2007165175 A JP 2007165175A JP 2005361694 A JP2005361694 A JP 2005361694A JP 2005361694 A JP2005361694 A JP 2005361694A JP 2007165175 A JP2007165175 A JP 2007165175A
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JP
Japan
Prior art keywords
seal
connector
peripheral
annular
housing
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Pending
Application number
JP2005361694A
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Japanese (ja)
Inventor
Tatsuo Kato
辰雄 加藤
Original Assignee
Calsonic Kansei Corp
カルソニックカンセイ株式会社
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Filing date
Publication date
Application filed by Calsonic Kansei Corp, カルソニックカンセイ株式会社 filed Critical Calsonic Kansei Corp
Priority to JP2005361694A priority Critical patent/JP2007165175A/en
Publication of JP2007165175A publication Critical patent/JP2007165175A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an enclosure seal structure which assures superior attachment workability while keeping the desirable seal performance. <P>SOLUTION: A connector member 16 includes an annular connector seal member 17 having the almost square outline which is externally fitted in a direction of inserting/pulling out a connector, and stops by butting to a butt flange 16a in the insert direction. At the peripheral surface 17b of the connector seal member 17, a concave groove 17a is recessed circularly almost all around the peripheral surface, and a part of an annular seal member 14 is engaged which stands between a peripheral edge of an upper opening 13a on a peripheral wall 13 and a lid 7, and surrounds the almost all the peripheral surface. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a housing seal structure that leads electrical wiring out of a housing that houses an electronic device through a connector member, and more particularly to a housing seal structure that improves assembly workability.

  Conventionally, a housing seal structure as shown in FIG. 10 is known (see, for example, Patent Document 1).

  First, in terms of configuration, in such a conventional case seal structure, a case 1 made of aluminum die-casting mainly has a case having a concave concave housing portion 4 for housing a circuit board 2 as an electronic device. It has a main body 3 and a flat lid member 7 which is brought into contact with the periphery of the upper end opening 5a of the peripheral wall portion 5 surrounding the concave storage portion 4 with a seal member 6 interposed therebetween so as to be sealed substantially. Configured.

  Among these, a cutout portion 4 a is formed in a part of the peripheral wall portion 5.

  A connector member 8 for connecting the electrical wiring of the circuit board 2 to an external electrical wiring to be conducted is fixed to a part of the circuit board 2 in the notch 4a.

  The connector member 8 is protruded from the circuit board 2 by a certain size so as to be positioned in the notch 4a in a state where the circuit board 2 is housed in the concave housing part 4.

  The seal member 6 includes an annular seal portion 6 a sandwiched between the peripheral edge of the upper end opening 5 a and the peripheral edge of the lid member 7, and a flange formed on the outer surface of the connector member 8. It is formed so as to be integrated with a connector seal portion 6b in which a concave groove portion 6c fitted to the portion 8a is formed on the inner peripheral surface.

  Next, the function and effect of this conventional case seal structure will be described in the assembling order.

  In the conventional case seal structure configured as described above, first, the concave groove portion 6c of the connector seal portion 6b of the seal member 6 is fitted into the flange portion 8a of the connector member 8 fixed to the circuit board 2. .

  Next, the circuit board 2 is stored in the concave storage portion 4 by positioning the connector member 8 in the notch 4 a.

  And the annular seal part 6a of the said sealing member 6 is located in the groove part 5b recessedly formed in the upper-end opening part 5a periphery, and this upper-end opening part 5a is obstruct | occluded by the said cover member 7. FIG.

For this reason, the annular seal portion 6a is sandwiched between the peripheral edge of the lid member 7 and the peripheral edge of the upper end opening portion 5a to perform sealing, and the connector seal portion 6b allows the connector member 8 to The space between the outer side surface and the cutout portion 4a is sealed, and the inside of the concave storage portion 4 is substantially sealed.
JP 2004-72877 A (paragraphs 0016 to 0031, FIG. 2)

  However, in the conventional case seal structure configured as described above, the concave groove 6c of the connector seal portion 6b of the seal member 6 is fitted into the flange portion 8a of the connector member 8, as shown in FIG. Then, the circuit board 2 is accommodated in the concave accommodating portion 4.

  For this reason, there is a possibility that the annular seal portion 6a of the seal member 6 may fall into the concave storage portion 4, or the annular seal portion 6a is formed between the periphery of the circuit board 2 and the periphery of the upper end opening 5a. There is a possibility that the seal portion 6a may be caught.

  Therefore, the operator who performs the assembly simultaneously holds the connector seal portion 6b of the seal member 6 and the annular seal portion 6a with both hands, and simultaneously installs the circuit board 2 and attaches the annular seal portion 6a to the upper end opening portion. It must be mounted in the groove 5b formed on the periphery of 5a, and it was difficult to say that the assembly workability was good.

  Therefore, an object of the present invention is to provide a housing seal structure that has good assembling workability while maintaining desired sealing performance.

  In order to achieve the above object, the invention described in claim 1 has a concave storage portion for storing an electronic device, and has a substantially entire circumference around the periphery of the opening of the peripheral wall portion surrounding the periphery of the concave storage portion. By interposing an annular seal member that surrounds the lid member, the concave storage portion has a casing body that is substantially sealed, and a cutout portion is formed in a part of the peripheral wall portion, A casing seal structure in which a connector member for connecting the electrical wiring of the electronic device to the external electrical wiring through the notch is located in the notch, and the peripheral portion of the notch And a connector seal member that seals between the connector member and the outer surface of the connector member. The connector seal member is fitted to the outer surface of the connector member. A housing case provided with engaging means for engaging members. It is characterized in Le structure.

  According to the first aspect of the present invention, the engaging means formed on the outer peripheral surface of the connector seal member is engaged with the annular seal means, and the annular seal member is attached to the annular seal means. And the sealing performance between the connector seal member is maintained.

  Therefore, the connector seal member is configured separately from the annular seal member, and the connector seal member is first fitted on the outer surface of the connector member, whereby the circuit board is placed in the concave storage portion. The annular sealing material can be attached after being attached to or separately.

  In addition, since the engaging means is provided over substantially the entire circumference of the outer peripheral surface of the connector seal member, the connector seal member can be satisfactorily fitted to the connector member in any direction. Sealability is obtained.

  Therefore, it is possible to provide a housing seal structure with good assembling workability while maintaining desired sealing performance.

  Next, a housing seal structure according to the best mode for carrying out the present invention will be described with reference to the drawings. The same or equivalent parts as those in the conventional example will be described with the same reference numerals.

  1 to 9 show a case seal structure according to the best embodiment of the present invention.

  First, in terms of configuration, in the case seal structure of this embodiment, the case 10 made of aluminum die cast mainly has a case having a concave concave storage portion 12 for storing a circuit board 2 as an electronic device. The main body 11 and an upper end opening portion 13a as an opening portion of the peripheral wall portion 13 surrounding the periphery of the concave storage portion 12 are abutted so as to be substantially hermetically sealed with an annular seal member 14 surrounding substantially the entire circumference interposed therebetween. And a flat lid member 7.

  Among these, a cutout portion 15 is formed in a part of the peripheral wall portion 13.

  A connector member 16 that connects the electrical wiring of the circuit board 2 to an external electrical wiring and is conducted to the cutout portion 15 is fixed to a part of the circuit board 2.

  The connector member 16 protrudes from the circuit board 2 with a certain size so that the circuit board 2 is positioned in the notch 15 in a state in which the circuit board 2 is stored in the concave storage section 12.

  1 to 7 show a housing seal structure of Example 1 of this embodiment.

  In the case sealing structure of Example 1 of this embodiment, the abutting flange portion 16a is formed over substantially the entire circumference so as to be integrated with the outer surface 16b of the connector member 16.

  Further, as shown in FIG. 1, the connector member 16 is externally fitted in the connector insertion / removal direction, and has a substantially square outer shape that stops against the abutting flange portion 16a in the insertion direction. The connector seal member 17 is provided.

  The connector seal member 17 has a connector insertion opening 17c through which the connector member 16 is inserted at the center.

  In addition, the connector seal member 17 is configured such that when the gap between the peripheral portion of the notch portion 15 and the outer surface 16b of the connector member 16 is sealed, the amount of bending deformation is reduced by a pressing force from above. The rubber member constituting the annular seal member 14 is made of a harder rubber member.

  The outer peripheral surface 17b of the connector seal member 17 is formed with a concave groove portion 17a as an engaging means for engaging the annular seal member 14 over an almost entire circumference.

  The connector seal member 17 according to the first embodiment is further configured so that the front and back sides do not occur in the insertion direction by making the front and rear shapes symmetrical with respect to the concave groove portion 17a.

  Further, in the annular seal member 14 of the first embodiment, annular seal protrusions 14c and 14d are formed on the upper and lower side surfaces 14a and 14b so as to protrude in the substantially central portion in the width direction along the circumferential direction. ing.

  The annular seal member 14 of the first embodiment is set to have substantially the same width direction dimension as the width direction dimension of the recessed groove portion 17a so that the annular seal member 14 can be engaged with the recessed groove portion 17a.

  Further, the annular seal member 14 of the first embodiment includes a concave groove portion 7a formed on the periphery of the lid member 7 as shown in FIGS. 4 and 5, and a seal mounting recess formed on the periphery of the upper end opening 13a. The corners of the four corners are configured to have a substantially square shape that is smoothly connected in a top view so as to match the groove 13b.

  As shown in FIG. 4, the housing body 11 of the first embodiment includes a seal mounting groove 13 b for mounting the annular seal member 14 on the periphery of the upper end opening 13 a of the peripheral wall 13. Except for the portion corresponding to the portion 15, it is formed in a concave shape on substantially the entire circumference.

  Furthermore, the housing body 11 of the first embodiment is integrally formed with a plurality of seating surface portions 11a having a certain height direction dimension and a high seating surface from the bottom surface portion 12a of the concave storage portion 12. As shown in FIG. 1, by screwing screw members 18 inserted through screw holes 2a formed in the circuit board 2, the circuit board 2 is inserted into the concave storage portion 12. It can be fixed in the state of being housed.

  The notch 15 of the housing body 11 is formed with a U-shaped protrusion 15a that is inserted and engaged in a recessed groove 17a formed on the outer peripheral surface 17b of the connector seal member 17. Yes.

  The U-shaped projecting portion 15a is dimensioned in the width direction so that it can be engaged with the recessed groove portions 17a formed on the lower surface side and the left and right side surfaces of the connector seal member 17. A projecting ridge portion 15b that is set to have substantially the same dimension as the width direction dimension, and is integrally projected at a substantially central portion in the width direction of the projecting ridge portion 15b. It has a semicircular projection 15c that hits a line in substantially the same manner as the portion 14d, and is mainly configured.

  Further, as shown in FIG. 5, the lid body 7 of the first embodiment is formed with an annular groove portion 7 a formed on the lower surface side peripheral edge over substantially the entire circumference, and the annular seal member 14. However, it is configured to engage a part of the upper side surface 14a side in a state of being interposed between the peripheral edge of the upper end opening 13a of the peripheral wall portion 13.

  Further, a plurality of bolt openings 7b are formed on the outer peripheral edge of the lid body 7 of the first embodiment so as to be formed outside the concave groove portion 7a.

  Further, as shown in FIG. 4, at the periphery of the upper end opening 13 a of the peripheral wall portion 13, at a position corresponding to the bolt opening 7 b, outside the seal mounting groove 13 b for mounting the annular seal member 14, Bolt holes 20 are formed.

  As shown in FIG. 1, the bolt members 19 inserted through the bolt openings 7b are screwed into the bolt holes 20 so that the periphery of the lid member 7 is at the upper end opening. The concave storage portion 12 is configured to be substantially hermetically sealed against the peripheral edge of 13a.

  Next, the operation of the housing seal structure of the first embodiment will be described along the assembly order. First, in the case seal structure of the first embodiment, as shown in FIG. 1, the connector member 16 fixed to the circuit board 2 is inserted into the connector insertion opening 17c of the connector seal member 17, As shown in FIG. 2, the connector seal member 17 is abutted against the abutting flange portion 16a of the connector member 16 and stopped.

  In the first embodiment, when the connector seal member 17 is attached to the connector member 16, the connector member 16 is inserted into the connector insertion opening 17c of the connector seal member 17, and the connector seal member 17 is The mounting is completed only by abutting against the abutting flange portion 16a.

  Therefore, unlike the prior art shown in FIG. 10, it is not necessary to fit the recessed groove 6c of the connector seal portion 6b of the seal member 6 on the flange portion 8a of the connector member so as to cover the work. Is good.

  Next, of the concave groove portions 17a formed on substantially the entire outer surface of the connector seal member 17, the U-shape formed on the cutout portion 15 is formed in the concave groove portions 17a on the lower surface side and the left and right side surface portions. The protrusions 15a are inserted and engaged, and the screw members 18 are inserted through the screw holes 2a formed in the circuit board 2 to be screwed to the seat surface portions 11a. As a result, the circuit board 2 is fixed in a state of being housed in the recessed housing portion 12.

  At this time, as shown in FIG. 3, the U-shaped protrusion 15a is integrally provided with a semicircular protrusion 15c that hits a line in substantially the same manner as the annular seal protrusion 14d.

  For this reason, since the semicircular projection 15c is brought into contact with and linearly crimped at the center in the width direction of the bottom surface of the concave groove portion 17a, the sealing performance can be further improved.

  Then, after the mounting of the connector seal member 17 is completed, as shown in FIGS. 1 and 7, the upper end opening of the peripheral wall portion 13 of the housing body 11 is separate from the mounting process of the connector seal member 17. The annular seal member 14 is inserted and mounted in a seal mounting groove 13b formed on the periphery of the portion 13a. In FIG. 7, the description of the connector member 16 and the circuit board 2 is omitted for the sake of illustration. It is what is installed.

  At this time, on the upper surface side of the connector member 16, as shown in FIG. 2, the annular seal protrusion 14d formed to project on the lower side surface 14b of the annular seal member 14 has a width of the bottom surface portion of the recessed groove portion 17a. The semicircular protrusion 15c is brought into contact with the linearly extending direction of the concave groove portion 17a at the center in the direction, and is crimped while being elastically deformed.

  Therefore, the sealing performance can be improved by further securing the engagement between the annular seal member 14 and the connector seal member 17.

Further, as shown in FIG. 1, the upper end opening 13a of the housing body 11 is closed by the lid member 7, and the bolt members 19 inserted through the bolt openings 7b are respectively connected to the bolt holes. 20, the peripheral edge of the lid member 7 is brought into contact with the peripheral edge of the upper end opening portion 13 a in a state where the annular seal member 14 is sandwiched, and the concave storage portion 12 is substantially Sealed.
In this manner, the annular seal member 14 is inserted and sandwiched between the recessed groove portion 7a formed at the periphery of the lid member 7 and the seal mounting recessed groove portion 13b formed at the periphery of the upper end opening portion 13a. The connector seal member 17 seals the space between the outer surface 16b of the connector member 16 and the annular seal member 14 on the notch 15 and the lid member 7 side. The inside of the part 12 is substantially sealed.

  At this time, the annular seal member 14 is inserted into and engaged with a recessed groove portion 17a provided in the connector seal member 17 so that the upper surface side of the outer peripheral surface 17b of the connector seal member 17 is engaged. As a result, the sealing performance between the annular seal member 14 and the connector seal member 17 is maintained.

  Of the concave groove portions 17a of the connector seal member 17, the concave groove portions 17a on the lower surface side, the left side, and the right side surface portion are inserted with the U-shaped projections 15a formed so as to protrude from the cutout portion 15. 15 is attached.

  For this reason, when the connector seal member 17 is configured separately from the annular seal member 14, the connector seal member 17 is first fitted onto the outer surface 16b of the connector member 16, and the circuit After the board | substrate 2 is mounted | worn in the concave storage part 12, or separately, the said cyclic | annular sealing material 14 can be mounted | worn in the said seal | sticker mounting groove part 13b.

  Therefore, as in the prior art, the annular seal member 14 may fall into the concave storage portion 12, or the annular seal member 14 may be interposed between the peripheral edge of the circuit board 2 and the peripheral edge of the upper end opening 13a. There is no possibility that the member 14 is caught.

  Further, the connector seal member 17 of the first embodiment is made of a rubber member that is harder than the rubber member that constitutes the annular seal member 14.

  For this reason, when performing sealing by being sandwiched between the peripheral edge portion of the notch 15 and the outer surface 16b of the connector member 16, the amount of bending deformation is small even by pressing force from above.

  Therefore, as shown in FIG. 7, by setting the bottom surface portion of the concave groove portion 17a to be slightly higher or flush with the height direction position than the bottom surface portion of the seal mounting concave groove portion 13b, deformation due to the pressing force can be achieved. Even if it occurs, there is no risk of gaps and the like.

  In the housing seal structure of the first embodiment, the connector seal member 17 is formed in a ring shape having a substantially square outer shape when viewed from the front.

  Furthermore, the connector seal member 17 of the first embodiment is configured such that the front and rear shapes have a symmetrical shape with the concave groove portion 17a interposed therebetween.

  For this reason, the position rotated in the circumferential direction with the insertion direction as the rotation axis center can be securely inserted into the connector member 16 at any angle of 90 degrees in the left and right directions, and can be mounted. Since there is no difference between the front and back in the insertion direction, there is no risk of incorrect assembly.

  Accordingly, also in this respect, the workability of assembling the connector seal member 17 is good, and good sealability is obtained.

  Moreover, in this Example 1, the said annular seal member 14 is a seal | sticker formed in the recessed groove part 7a formed in the periphery of the said cover member 7 as shown in FIG.4 and FIG.5, and the said upper end opening part 13a. The corners of the four corners are configured to have a substantially square shape that is smoothly connected in a top view so as to fit the mounting concave groove 13b.

  For this reason, even when inserting and mounting in the seal mounting concave groove portion 13b formed at the periphery of the upper end opening 13a, the position rotated in the circumferential direction is left and right in the horizontal rotation direction every 90 degrees, As shown in FIG. 2, the annular seal projections 14c and 14d are formed so as to be symmetric in the vertical direction as shown in FIG. There is no risk of incorrect assembly.

  Therefore, it is possible to provide a housing seal structure with good assembling workability while maintaining desired sealing performance.

  8 and 9 show a case sealing structure of Example 2 of the best mode of the present invention.

  In addition, the same code | symbol is attached | subjected and demonstrated about the same thru | or equivalent part as the said embodiment and Example 1. FIG.

  First, the configuration of the housing seal structure of the second embodiment will be described focusing on the differences from the first embodiment.

  In the case seal structure of the second embodiment, the notch portion 25 of the case body 11 is formed in a recessed groove portion 27a formed over substantially the entire circumference of the outer peripheral surface 27b of the connector seal member 27 as an engaging means. The formed U-shaped convex part 25b is inserted and can be engaged.

  Further, as shown in FIG. 9, an annular seal projection 14d formed on the lower side surface 14b of the annular seal member 14 is inserted into the concave groove portion 27a and engaged therewith, so that this connector seal member 27 is configured to seal between the outer peripheral surface 27b of the annular seal member 14 and the lower surface 14b of the annular seal member 14.

  Next, the effect of the housing seal structure of the second embodiment will be described.

  In the second embodiment, the concave groove portion 27a formed over substantially the entire circumference of the connector seal member 27 has a groove width in which the annular seal protrusion portion 14d of the annular seal member 14 is inserted and engaged. It only has to be.

  For this reason, compared with the connector seal member 17 of the said Example 1, the whole width direction dimension can be set small and a deformation | transformation to an expansion direction can be performed easily.

  Therefore, the connector member 16 can be easily inserted, and the connector seal member 27 can be easily fitted to the outer surface 16b of the connector member 16 to improve the assembling workability.

  Other configurations and operational effects are the same as those in the first embodiment, and thus the description thereof is omitted.

  The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and design changes that do not depart from the gist of the present invention are not limited to this embodiment. Included in the invention.

  That is, in the above-described embodiment, as the engaging means, the recessed groove portions 17a and 27a are formed in an annular shape on substantially the entire circumference of the connector seal members 17 and 27, and are protruded in the notches 15 and 25. The U-shaped projecting portion 15a or the U-shaped projecting portion 25b or the like, the annular seal projecting portion 14d of the annular seal member 14 or the like is engaged, but the groove and the convex shape engaged with the groove. If the sealing performance between the annular seal member and the connector seal member is maintained such that the portions are formed opposite to each other, etc., the groove and the protrusions engaged with the groove are provided. There are no particular limitations on the shape, quantity, and material of the shaped portions.

  The annular seal member 14 includes a groove 7a formed on the periphery of the lid member 7 as shown in FIGS. 4 and 5, and a seal mounting groove 13b formed on the periphery of the upper end opening 13a. In order to fit, the corners of the four corners in the top view are configured to have a substantially square shape that is smoothly connected, but not limited to this, other polygonal shapes such as rectangular shapes, oval shapes Any shape, quantity, and material, such as a circular shape, etc., can be used, and as long as it can seal almost the entire circumference, it is not completely annular before mounting but is partially stripped or Even a string-like sealing member may be used as long as it is configured to be annular when mounted.

  Further, the connector sealing members 17 and 27 of the first and second embodiments have a ring shape in which connector insertion openings 17c and 27c through which the connector member 16 is inserted are formed at the center, and the connector insertion / extraction is performed. It is configured to have a substantially square outer shape that is externally fitted in the direction and stops against the abutting flange portion 16a in the insertion direction. Any shape, quantity and material may be used.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view illustrating an overall configuration of a case seal structure according to Example 1 of the best mode of the present invention. It is a partial sectional view of an important section explaining composition of a seal member of an upper part of a connector part by case seal structure of Example 1 of an embodiment. It is a partially expanded perspective view of the principal part explaining the structure of a notch part by the case seal structure of Example 1 of an embodiment. It is a housing | casing seal structure of Example 1 of embodiment, and is a top view of the housing body which comprises a case. It is a bottom view of a lid in case seal structure of Example 1 of an embodiment. It is a front view of a housing | casing in the housing sealing structure of Example 1 of an embodiment. In the case seal structure of Example 1 of the embodiment, the state where the annular seal member is attached in the state where the connector seal member is attached to the cutout portion of the case is described, and the connector member and the circuit board are omitted. It is an enlarged front view of the principal part. It is a disassembled perspective view explaining the whole structure by the case seal structure of Example 2 of the best mode of the present invention. It is a housing | casing seal structure of Example 2 of embodiment, and is a fragmentary sectional view of the principal part explaining the structure of the sealing member of a connector part upper part. It is a disassembled perspective view explaining the whole structure by the housing | casing seal structure of a prior art example.

Explanation of symbols

2 Circuit board (electronic equipment)
7 Lid member 10 Case 11 Housing body 12 Concave housing portion 13 Peripheral wall portion 13a Upper end opening (opening)
14 annular seal members 15, 25 notch 16 connector member 16b outer surface 17, 27 connector seal members 17a, 27a concave groove



Claims (1)

  1. By having a concave storage portion for storing an electronic device, an annular seal member that surrounds substantially the entire circumference is interposed at the periphery of the opening of the peripheral wall portion that surrounds the periphery of the concave storage portion, and a lid member is brought into contact therewith The concave housing portion has a substantially sealed housing body, a cutout portion is formed in a part of the peripheral wall portion, and electrical wiring of the electronic device is routed through the cutout portion to the outside A housing seal structure in which a connector member to be connected to electrical wiring is positioned in the notch,
    A connector seal member that seals between the peripheral edge of the notch and the outer surface of the connector member is fitted to the outer surface of the connector member, and the outer peripheral surface of the connector seal member has a substantially entire circumference. An enclosure sealing structure characterized in that engagement means for engaging the annular seal member is provided.
JP2005361694A 2005-12-15 2005-12-15 Enclosure seal structure Pending JP2007165175A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005361694A JP2007165175A (en) 2005-12-15 2005-12-15 Enclosure seal structure

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Application Number Priority Date Filing Date Title
JP2005361694A JP2007165175A (en) 2005-12-15 2005-12-15 Enclosure seal structure

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JP2007165175A true JP2007165175A (en) 2007-06-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009187893A (en) * 2008-02-08 2009-08-20 Casio Hitachi Mobile Communications Co Ltd Waterproof housing structure and electronic equipment
JP2011205001A (en) * 2010-03-26 2011-10-13 Denso Corp Power conversion apparatus
JP2014229489A (en) * 2013-05-22 2014-12-08 株式会社デンソー On-vehicle electronic apparatus
JP2018132617A (en) * 2017-02-15 2018-08-23 カシオ計算機株式会社 Light source device, projection device, and method for assembling light source device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009187893A (en) * 2008-02-08 2009-08-20 Casio Hitachi Mobile Communications Co Ltd Waterproof housing structure and electronic equipment
JP2011205001A (en) * 2010-03-26 2011-10-13 Denso Corp Power conversion apparatus
JP2014229489A (en) * 2013-05-22 2014-12-08 株式会社デンソー On-vehicle electronic apparatus
JP2018132617A (en) * 2017-02-15 2018-08-23 カシオ計算機株式会社 Light source device, projection device, and method for assembling light source device

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