JP6371541B2 - Waterproof housing structure for electrical and electronic parts and connector with built-in electrical and electronic parts - Google Patents

Description

  The present invention relates to a waterproof housing structure for electrical and electronic parts and a connector with built-in electrical and electronic parts.

2. Description of the Related Art Conventionally, a waterproof housing structure for electrical and electronic parts that accommodates electrical and electronic parts in a waterproof manner accommodates electrical and electronic parts in an electrical and electronic part housing part such as a housing and enhances a waterproof function using an elastic seal member such as packing. I am doing so.
For example, Patent Document 1 describes an electrical / electronic component built-in connector in which a fuse, which is an electrical component, is housed in a connector housing as a waterproof housing structure for electrical / electronic components.

By the way, an electrical / electronic component built-in connector with a built-in fuse is provided with an opening in a part of a connector housing in which the fuse is accommodated so that the fuse can be easily attached and detached for replacing the fuse. It is possible to attach and detach. Therefore, the opening is closed with a waterproof lid 300 in which an elastic seal member 400 is attached to the lid body 310 as shown in FIG.
Further, the waterproof lid 300 is provided with a cover member 500 having an electromagnetic shielding function so as to cover the outside of the resin lid main body 310.
Further, the elastic seal member 400 is provided with a positioning projection 410 and is attached while positioning the positioning projection 410 in the positioning groove 310 a of the lid main body 310.

JP 2011-222398 A

  However, in the conventional waterproof housing structure for electric and electronic parts shown in FIG. 13, the positioning projections pass over the positioning grooves, and the elastic seal member is displaced from the normal mounting position. The waterproof performance of the structure may be deteriorated.

  The present invention has been made in view of the above, and an object of the present invention is to provide a waterproof housing structure for electrical and electronic parts and a connector with built-in electrical and electronic parts that can prevent deterioration of waterproof performance.

In order to solve the above-described problems and achieve the object, a waterproof housing structure for electrical and electronic parts according to claim 1 of the present invention houses an electrical and electronic part and an opening in which the electrical and electronic part can be attached and detached. In the waterproof housing structure for electrical and electronic parts, the electrical and electronic component housing part, the waterproof lid that closes the opening, and the elastic seal member that is attached to the lid body part that constitutes the body part of the waterproof lid, The waterproof housing structure for electrical and electronic parts has a cover member that is attached to the outside of the lid body, and the lid body is configured to fit a part of the elastic seal member on a cover attachment surface that is a surface to which the cover member is attached. a cover attachment surface side groove portion writing, the elastic sealing member, the lid body receding attached the cover member abutted not the cover mounting surface side groove portion so as to part position, and, prior to By placing between the cover member and the cover main body in a state where the orthogonal two axial directions to form a cover mounting surface fitted abuts on the groove inner surface of the cover mounting surface groove portion, the elastic seal It has the fixing | fixed part which fixes a member, positioning to the said lid | cover main-body part, It is characterized by the above-mentioned.

  In the waterproof housing structure for electrical and electronic parts according to claim 2 of the present invention, in the above invention, at least a part of the cover member is made of a material having an electromagnetic shielding function.

  Further, in the waterproof housing structure for electrical and electronic parts according to claim 3 of the present invention, in the above invention, the cover member has a mounting surface that is a surface that overlaps the cover mounting surface of the lid main body portion, The visual confirmation part is provided on the back surface of the mounting surface.

  In the waterproof housing structure for electric and electronic parts according to claim 4 of the present invention, in the above-described invention, the visual confirmation portion can be visually confirmed in a direction in which the cover member is attached to the lid body portion. It is characterized by providing in.

  In the waterproof housing structure for electric and electronic parts according to claim 5 of the present invention, in the above invention, the elastic seal member is annular and is attached along the peripheral side surface of the lid main body portion, A projecting portion formed so as to project from a part of the annular portion so as to be orthogonal to the circumferential direction and toward the cover mounting surface side, and the cover mounting surface is The fixing part is formed in an orthogonal direction and is connected to the protruding part in the orthogonal direction.

  In the waterproof housing structure for electrical and electronic parts according to claim 6 of the present invention, in the above invention, the fixing portion has a T-shape having a lower end as a connection portion with the protruding portion. .

  In order to solve the above-mentioned problems and achieve the object, an electrical / electronic component built-in connector according to claim 7 of the present invention is an electrical / electronic component built-in connector incorporating an electrical / electronic component. It has a waterproof housing structure for electrical and electronic parts according to any one of the above.

  In the waterproof housing structure for electrical and electronic parts according to claim 1 of the present invention, the fixing portion is fitted into the cover mounting surface side groove portion, and is disposed between the lid main body portion and the cover member. The elastic seal member can be fixed while being positioned on the lid body portion, and the elastic seal member can be prevented from being displaced from the normal mounting position of the lid body portion. A decrease can be prevented.

  In the waterproof housing structure for electrical and electronic parts according to claim 2 of the present invention, since at least a part of the cover member is made of a material having an electromagnetic shield function, a shield function can be added by the cover member.

  In the waterproof housing structure for electrical and electronic parts according to claim 3 of the present invention, whether or not the fixing portion is fitted in the cover mounting surface side groove portion by the visual confirmation portion, that is, the elastic seal member. Since it can be confirmed whether or not is attached at a regular attachment position, it is possible to prevent an attachment error of the elastic seal member.

  In the waterproof housing structure for electrical and electronic parts according to claim 4 of the present invention, the visual confirmation portion is provided on the back surface of the attachment surface, whereby the visual confirmation portion is attached to the lid body portion. Since the visual confirmation is possible, the visual confirmation part can perform the confirmation work in a series of flow of attaching the cover member to the lid main body part.

  In the waterproof housing structure for electric and electronic parts according to claim 5 of the present invention, the elastic seal member in a direction orthogonal to the circumferential direction of the annular portion is formed because the fixed portion is connected to the protrusion in the orthogonal direction. The deviation can be effectively prevented by the fixing portion.

  In the waterproof housing structure for electrical and electronic parts according to claim 6 of the present invention, the fixing portion has a T shape, and the cover mounting surface side groove portion has a T shape corresponding to the shape of the fixing portion. Since the wall forming the cover mounting surface side groove portion abuts against the fixed portion at a plurality of positions with respect to the shift of the fixed portion to prevent the shift, the elastic seal member more reliably attaches the lid main body portion properly. Deviation from the position can be prevented.

  The electrical / electronic component built-in connector according to claim 7 of the present invention has the electrical / electronic component waterproof housing structure according to any one of claims 1 to 6. Similar effects can be achieved.

FIG. 1 is an exploded perspective view of an electrical / electronic component built-in connector according to an embodiment of the present invention. FIG. 2 is a perspective view of the electrical / electronic component built-in connector. FIG. 3 is a perspective view of the connector with a built-in electric / electronic component as seen through the cover member to show the waterproof lid. FIG. 4 is an exploded perspective view of the waterproof lid. FIG. 5 is a perspective view of an assembly of a waterproof lid and a cover member. 6 is a cross-sectional view taken along line AA of the assembly of the waterproof lid and the cover member shown in FIG. FIG. 7 is a diagram illustrating a procedure until the elastic seal member is attached to the lid main body. FIG. 8 is a diagram illustrating a procedure until the cover member is attached to the waterproof lid after the elastic seal member is attached. FIG. 9 is a diagram showing a procedure until the cover member is screwed and fixed to the waterproof lid with a screw. FIG. 9A shows a state before the screw is inserted into the screw hole, and FIG. 9B shows the cover member. It is a figure which shows the state which completed screwing fixation. FIG. 10 is an enlarged perspective view of the periphery of the fixing portion of the elastic seal member of the waterproof housing structure for electrical and electronic parts according to the first modification. 11A is an enlarged perspective view of the periphery of the fixing portion of the elastic seal member of the waterproof housing structure for electrical and electronic parts according to Modification 2. FIG. 11B is a cover mounting surface side groove portion into which the fixing portion is fitted. It is the perspective view which expanded the periphery. 12A is an enlarged perspective view of the periphery of the fixing portion of the elastic seal member of the waterproof housing structure for electrical and electronic parts according to Modification 3. FIG. 12B is a cover mounting surface side groove portion in which the fixing portion is fitted. It is the perspective view which expanded the periphery. FIG. 13 is a diagram for explaining the prior art.

  Hereinafter, preferred embodiments of a waterproof housing structure for electrical and electronic parts and a connector with built-in electrical and electronic parts according to the present invention will be described in detail with reference to the drawings.

FIG. 1 is an exploded perspective view of an electrical / electronic component built-in connector 200 according to an embodiment of the present invention. FIG. 2 is a perspective view of the electrical / electronic component built-in connector 200. FIG. 3 is a perspective view of the connector 200 with built-in electrical / electronic components seen through the cover member 50 to show the waterproof lid 20. FIG. 4 is an exploded perspective view of the waterproof lid 20. FIG. 5 is a perspective view of the assembly of the waterproof lid 20 and the cover member 50. 6 is a cross-sectional view taken along line AA of the assembly of the waterproof lid 20 and the cover member 50 shown in FIG.
An electrical / electronic component waterproof housing structure 1 according to an embodiment of the present invention includes an electrical / electronic component housing portion 10 that houses a fuse 13 as an electrical / electronic component and has an opening 10a to which the fuse 13 can be attached and detached. A waterproof lid 20 that closes the opening 10 a, an elastic seal member 40 that is attached to the lid main body 30 that constitutes the main body portion of the waterproof lid 20, and a cover member 50 that is attached to the outside of the lid main body 21.
This electrical and electronic component waterproof housing structure 1 is used for an electrical and electronic component built-in connector 200 having a built-in fuse 13. That is, the electrical / electronic component built-in connector 200 has the waterproof housing structure 1 for electrical / electronic components.
In this embodiment, the electrical / electronic component built-in connector 200 is a connector that sends electric power or a control signal from a power source to an automobile air conditioner, and incorporates a fuse 13.

First, the electrical / electronic component housing 10 will be described.
The electrical / electronic component housing part 10 is a connector housing of the electrical / electronic component built-in connector 200, and includes an insulating housing part 11 made of an insulating resin such as a synthetic resin, and a shield cover that covers the outer surface of the insulating housing part 11 so as to allow electromagnetic shielding. Part 12.

The insulating accommodating portion 11 forms an electric / electronic component accommodating space 11b for accommodating the fuse 13 so as to be electrically connectable to the connector terminal 201. The electrical / electronic component housing space 11b can be opened to the outside through the opening 10a.
Therefore, the fuse 13 can be mounted in the electrical / electronic component housing part 10 from the opening 10a, and the fuse 13 can be detached from the electrical / electronic component housing part 10. That is, when an overcurrent flows through the connector terminal 201 and the fuse 13 is blown, the replacement work of the fuse 13 can be easily performed from the opening 10a.

  The shield cover portion 12 is made of a material having an electromagnetic shielding function, and can be combined with the cover member 50 to obtain the electromagnetic shielding effect of the entire electrical and electronic connector 200.

Next, the waterproof lid 20 will be described.
The waterproof lid 20 includes a lid main body portion 30 that constitutes a main body portion, and an elastic seal member 40 that is attached to the lid main body portion 30.

The lid body 30 is a plate-like member made of an insulating resin material such as synthetic resin, has a predetermined thickness in the mounting direction of the waterproof lid 20 to the opening 10a, and the inner peripheral surface of the opening 10a. It has a peripheral side surface 30a corresponding to the shape.
The lid main body 30 includes a positioning groove 31 for positioning and arranging the elastic seal member 40 at a regular mounting position, and a cover mounting surface 32 serving as a surface for mounting the cover member 50.

  The positioning groove portion 31 includes a circumferential groove portion 31a, an attachment direction groove portion 31b, and a cover attachment surface side groove portion 31c.

  The circumferential groove portion 31 a is a groove formed in an annular shape along the peripheral side surface 30 a of the lid main body portion 30, and is a groove for fitting an annular portion 41 described later of the elastic seal member 40.

The attachment direction groove 31b is a groove for fitting a protrusion 42, which will be described later, of the elastic seal member 40.
More specifically, the attachment direction groove 31b is a groove formed from a part of the circumferential groove 31a so as to be orthogonal to the circumferential direction and toward the cover attachment surface 32. For this reason, the attachment direction groove 31b extends toward the cover attachment surface 32 so as to follow the attachment direction of the elastic seal member 40 to the lid body 30.

The cover attachment surface side groove portion 31 c is a groove into which a fixing portion 43, which will be described later, which is a part of the elastic seal member 40 is fitted into the cover attachment surface 32.
More specifically, the cover attachment surface side groove portion 31c is a groove formed from the attachment direction groove portion 31b toward the inside of the cover attachment surface 32.
Here, since the fixing portion 43 has a T shape, the cover mounting surface side groove portion 31 c has a T shape corresponding to the shape of the fixing portion 43.

The cover attachment surface 32 is a surface for attaching the cover member 50, and is formed in a direction orthogonal to the peripheral side surface 30a. That is, the cover mounting surface 32 is a surface facing the side where the operator performs the mounting operation of the cover member 50.
The cover mounting surface 32 has a cover member fixing portion 32a that becomes a portion for fixing the cover member 50 with screws 14 as fixing members.

The cover member fixing portion 32 a is a screw hole for fixing the cover member 50 to the lid main body portion 30 with the screw 14 inserted in the screw insertion hole 52 of the cover member 50.
The fixing member is not limited to the screw 14, and other members such as a fixing pin may be used. When a fixing member other than the screw 14 is used, the cover member fixing portion 32a may be appropriately changed to one corresponding to the fixing member.

  The elastic seal member 40 is an annular member made of an elastic material, and includes an annular portion 41 that forms a main body portion, a protruding portion 42 that protrudes from a part of the annular portion 41, and a fixing portion 43 that is connected to the protruding portion 42. Have.

When the annular portion 41 is fitted into the circumferential groove portion 31a of the lid body portion 30 and the waterproof lid 20 is attached to the opening portion 10a, the annular portion 41 is in close contact with the inner peripheral surface 11a of the opening portion 10a in an elastically compressed state, It is a part which plugs up the opening part 10a so that waterproofing is possible.
The annular portion 41 has a shape having a plurality of mountain-shaped portions along the attachment direction of the elastic seal member 40, that is, a so-called lip shape, thereby improving attachment properties and waterproofness.

The protruding portion 42 is a portion formed so as to protrude from a part of the annular portion 41 so as to be orthogonal to the circumferential direction and toward the cover mounting surface 32 side, and is fitted into the mounting direction groove portion 31b. Part.
The protrusion 42 has a function of positioning the elastic seal member 40.

The fixing portion 43 is a portion that fits into the cover mounting surface side groove portion 31 c and is positioned between the lid main body portion 30 and the cover member 50, thereby fixing the elastic seal member 40 while positioning the lid main body portion 30. is there.
The fixing portion 43 is connected to the protruding portion 42 in the orthogonal direction.
For this reason, as shown in FIG. 6, the fixing portion 43 is prevented from being displaced in the arrow Z direction by the cover member 50 and the lid main body portion 30.

  The fixing portion 43 has a T shape, and the cover mounting surface side groove portion 31c has a T shape corresponding to the shape of the fixing portion 43. Therefore, as shown in FIGS. 3 and 4, the cover mounting surface side groove portion 31c. The wall that forms the abutment against the displacement of the fixing portion 43 in the direction of the arrow X and the direction of the arrow Y contacts the fixing portion 43 at a plurality of locations to prevent the displacement.

  The elastic seal member 40 can be fixed at a proper mounting position of the lid main body 30 by such a function of preventing the shift by the fixing portion 43.

Next, the cover member 50 will be described.
The cover member 50 is made of a material having an electromagnetic shielding function, and adds an electromagnetic shielding function to the electrical / electronic component built-in connector 200.
The cover member 50 may be made of a material having at least a part having an electromagnetic shielding function.

  The cover member 50 has a plate-like shape as a whole, an attachment surface 51 that is a surface that overlaps the cover attachment surface 32 of the lid main body 30, a screw insertion hole 52 through which the screw 14 as a fixing member is inserted, and a cover In a state where the member 50 is attached to the lid main body portion 30, a visual confirmation portion 53 including a through-hole capable of visually confirming at least a part of the fixing portion 43 fitted in the cover attachment surface side groove portion 31 c is provided.

  The screw insertion hole 52 is provided at a position corresponding to the cover member fixing portion 32 a that is a screw hole formed in the lid main body portion 30.

The visual confirmation unit 53 is provided on the back surface 51 a of the mounting surface 51. For this reason, the visual confirmation part 53 can be visually confirmed in the direction in which the cover member 50 is attached to the lid main body part 30. That is, the confirmation work by the visual confirmation part 53 can be performed in a series of flows of the work of attaching the cover member 50 to the lid main body part 30.
Further, since the cover mounting surface side groove portion 31c is provided in the vicinity of the cover member fixing portion 32a, the visual confirmation portion 53 is positioned in the vicinity of the screw insertion hole 52.
This makes it easy to confirm the visual confirmation part 53 before fixing the cover member 50 with the screw 14.

  In addition, although the visual confirmation part 53 illustrated what is a through-hole, not only this but the fixing | fixed part 43 inserted in the cover attachment surface side groove part 31c through the cover member 50 can be visually confirmed now. It only has to be. For example, the visual confirmation part 53 may consist of light-transmitting parts such as glass.

Here, a procedure for attaching the elastic seal member 40 to the lid body 30 and a procedure for attaching the cover member 50 to the waterproof lid 20 will be described with reference to FIGS.
FIG. 7 is a diagram illustrating a procedure until the elastic seal member 40 is attached to the lid main body 30. FIG. 8 is a diagram illustrating a procedure until the cover member 50 is attached to the waterproof lid 20 after the elastic seal member 40 has been attached. FIG. 9 is a diagram showing a procedure until the cover member 50 is screwed and fixed to the waterproof lid 20 with the screw 14. FIG. 9A shows a state before the screw 14 is inserted into the cover member fixing portion 32 a. (B) is a figure which shows the state which completed the screwing fixation of the cover member 50. FIG.

First, the operator attaches the elastic seal member 40 to the lid main body 30 (see FIG. 7). Here, the operator uses the protruding portion 42 or the fixed portion 43 of the elastic seal member 40 as a guide for positioning.
Specifically, the elastic seal member 40 is positioned such that the protruding portion 42 is aligned with the mounting direction groove portion 31b or the fixing portion 43 is aligned with the cover mounting surface side groove portion 31c. As a result, the elastic seal member 40 has the protruding portion 42 fitted in the mounting direction groove 32b, and further the annular portion 41 in the circumferential direction in a state where the fixing portion 43 is fitted and positioned in the cover mounting surface side groove 31c. Fit into the groove 31a.

Thereafter, the operator attaches the cover member 50 to the lid main body 30 (see FIG. 8). Here, the operator aligns the screw insertion hole 52 of the cover member 50 with the cover member fixing portion 32 a of the lid main body portion 30, and the mounting surface 51 of the cover member 50 and the cover mounting surface 32 of the lid main body portion 30. Are superimposed.
Thereby, the fixing portion 43 is disposed between the lid main body portion 30 and the cover member 50. Moreover, the visual confirmation part 53 of the cover member 50 is arrange | positioned in the position which can visually confirm at least one part of the fixing | fixed part 43 fitted in the cover attachment surface side groove part 31c.

Thereafter, the operator fixes the cover member 50 to the lid main body 30 with the screw 14 and completes the attachment of the cover member 50 to the waterproof lid 20 (see FIG. 9). Here, the operator fixes the cover member 50 to the cover attachment surface side groove portion 31c from the visual confirmation portion 53 provided on the attachment surface 51 in which the screw insertion hole 52 is formed before fixing the cover member 50 to the lid main body portion 30 with screws. It is confirmed whether or not the portion 43 is fitted.
If the fixing part 43 cannot be confirmed from the visual confirmation part 53, the elastic seal member 40 is displaced from the normal attachment position of the lid main body part 30. Reattach to.

  The waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention is elastic by inserting the fixing portion 43 into the cover mounting surface side groove portion 31c and disposing it between the lid main body portion 30 and the cover member 50. Since the sealing member 40 can be fixed while being positioned on the lid main body 30 and the elastic sealing member 40 can be prevented from being displaced from the normal attachment position of the lid main body 30, as a result, the waterproof performance is improved. A decrease can be prevented.

  In addition, in the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention, at least a part of the cover member 50 is made of a material having an electromagnetic shielding function, so that the shielding function can be added by the cover member 50.

  In addition, the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention determines whether the fixing portion 43 is fitted in the cover mounting surface side groove portion 31c by the visual confirmation portion 53, that is, an elastic seal. Since it can be confirmed whether or not the member 40 is attached to the regular attachment position, an attachment error of the elastic seal member 40 can be prevented in advance.

  Moreover, the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention provides the visual confirmation portion 53 on the back surface 51 a of the mounting surface 51, thereby providing the visual confirmation portion 53 with the cover member 50 to the lid body portion 30. Since the visual confirmation is possible in the attachment direction, the visual confirmation part 53 can perform the confirmation work in a series of flows of the work of attaching the cover member 50 to the lid main body part 30.

  Further, in the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention, the visual confirmation portion 53 is located near the screw insertion hole 52 by providing the cover mounting surface side groove portion 31c in the vicinity of the cover member fixing portion 32a. Since it is located, the visual confirmation part 53 can be easily confirmed before the cover member 50 is fixed by the fixing member 14.

  In addition, the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention has an elastic seal in a direction orthogonal to the circumferential direction of the annular portion 41 because the fixed portion 43 is connected to the protruding portion 42 in the orthogonal direction. The displacement of the member 40 can be effectively prevented by the fixing portion 43.

  In the waterproof housing structure 1 for electric and electronic parts according to the embodiment of the present invention, the fixing portion 43 has a T shape, and the cover mounting surface side groove portion 31 c has a T shape corresponding to the shape of the fixing portion 43. Since the wall forming the cover mounting surface side groove portion 31c abuts against the fixed portion 43 at a plurality of positions with respect to the shift of the fixed portion 43 to prevent the shift, the elastic seal member 40 is more reliably attached to the lid main body portion 30. It is possible to prevent deviation from the mounting position.

  Moreover, since the electrical and electronic component built-in connector 200 according to the embodiment of the present invention has the waterproof housing structure 1 for electrical and electronic components, the same effects as the waterproof housing structure 1 for electrical and electronic components can be obtained.

(Modification 1)
Next, a first modification of the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention will be described with reference to FIG.
FIG. 10 is an enlarged perspective view of the periphery of the fixing portion 61 of the elastic seal member 60 of the waterproof housing structure 2 for electrical and electronic parts according to the first modification.
The waterproof housing structure 2 for electrical and electronic parts of the first modification is different from the waterproof housing structure 1 for electrical and electronic parts of the embodiment in that the dimensions of the fixing portion 61 are different.
Other configurations are the same as those in the embodiment, and the same components as those in the embodiment are denoted by the same reference numerals.

  In the waterproof housing structure 2 for electrical and electronic parts, the fixing portion 61 is adjusted so as to have a larger width W than the fixing portion 43 of the embodiment. That is, the surface area of the fixed portion 61 is adjusted to be increased.

  The waterproof housing structure 2 for electrical and electronic parts according to the first modification has the same effects as the waterproof housing structure 1 for electrical and electronic parts according to the embodiment, and is a fixed portion disposed between the lid main body 30 and the cover member 50. By increasing the surface area of 61 and expanding the contact area between the lid main body 30 and the cover member 50, the effect of holding the elastic seal member 60 by the fixing portion 61 in the normal position can be further enhanced.

(Modification 2)
Next, Modification 2 of the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention will be described with reference to FIG.
11A is an enlarged perspective view of the periphery of the fixing portion 71 of the elastic seal member 80 of the waterproof housing structure 3 for electrical and electronic parts according to Modification 2. FIG. 11B is a cover in which the fixing portion 81 is fitted. It is the perspective view which expanded the attachment surface side groove part 71 periphery.
In the waterproof housing structure 3 for electric and electronic parts according to the second modification, the fixing portion 81 has an end bent portion 81a where both ends of the T-shape are bent, and the cover mounting surface side groove portion 71 corresponds to the shape of the fixing portion 81. Thus, it is different from the waterproof housing structure 1 for electrical and electronic parts of the embodiment in that a regulating wall 71a is formed between the end bent portion 81a and the T-shaped center piece 81b of the fixed portion 81.
Other configurations are the same as those in the embodiment, and the same components as those in the embodiment are denoted by the same reference numerals.

  The waterproof housing structure 3 for electrical and electronic parts of the second modified example has the same effect as the waterproof housing structure 1 for electrical and electronic parts of the embodiment, and the fixing portion 81 and the cover mounting surface side groove portion 71 are complicatedly mixed. Due to the elliptical shape, the displacement of the fixing portion 81 in the arrow X direction and the arrow Y direction of the elastic seal member 80 can be more reliably prevented.

(Modification 3)
Next, a third modification of the waterproof housing structure 1 for electrical and electronic parts according to the embodiment of the present invention will be described with reference to FIG.
12A is an enlarged perspective view of the periphery of the fixing portion 101 of the elastic seal member 100 of the waterproof housing structure 4 for electrical and electronic parts according to Modification 3. FIG. 12B is a cover in which the fixing portion 101 is fitted. It is the perspective view which expanded the attachment surface side groove part 91 periphery.
In the waterproof housing structure 4 for electrical and electronic parts, the fixing portion 101 has a ring shape, the cover mounting surface side groove portion 91 has a circular shape corresponding to the outer shape of the fixing portion 101, and is fixed to the center of the cover mounting surface side groove portion 91. It differs from the waterproof housing structure 1 for electrical and electronic parts of the embodiment in that a positioning pin 91a that is inserted into the center hole 101a of the portion 101 is provided upright.
Other configurations are the same as those in the embodiment, and the same components as those in the embodiment are denoted by the same reference numerals.

  The waterproof housing structure 4 for electrical and electronic parts according to the third modified example has the same effects as the waterproof housing structure 1 for electrical and electronic parts according to the embodiment, and holds the fixing portion 101 in the normal position by the positioning pins 91a. Therefore, it is possible to prevent misalignment of the fixing portion 101 on the XY plane formed by the arrow X direction and the arrow Y direction.

  In addition, although the electrical and electronic component waterproof housing structures 1, 2, 3, and 4 according to the embodiments of the present invention exemplify those in which the electrical and electronic component housing portion 10 has a built-in fuse, the present invention is not limited thereto. It does not matter if it contains electronic components.

  Moreover, although the electrical and electronic component waterproof housing structures 1, 2, 3, and 4 according to the embodiments of the present invention are exemplified for the electrical and electronic component built-in connector 200, the present invention is not limited to this, and the electrical and electronic component can be waterproofed. It may be used for other items as long as it is accommodated in the container. For example, you may use for an electrical junction box.

  In the waterproof housing structures 1, 2, 3, and 4 for the electrical and electronic parts according to the embodiment of the present invention, the cover member 50 is made of a material having an electromagnetic shielding function. It may be made of a material.

  In addition, in the waterproof housing structures 1, 2, 3, 4 for electrical and electronic parts according to the embodiments of the present invention, the elastic seal members 40, 60, 80, 100 are provided with the fixing portions 43, 61, 81, 101 in one place. Although illustrated, the present invention is not limited to this, and a plurality of fixing portions may be provided on the elastic seal member. In this case, the cover main body portion is provided with a plurality of cover mounting surface side grooves corresponding to the respective fixing portions of the plurality of fixing portions.

  The invention made by the present inventor has been specifically described based on the above-described embodiments of the invention. However, the present invention is not limited to the above-described embodiments of the invention and does not depart from the gist thereof. Various changes can be made.

1, 2, 3, 4 Waterproof housing structure for electrical and electronic components 10 Electrical and electronic component housing portion 10a Opening portion 11 Insulating housing portion 11a Inner peripheral surface 11b Electrical and electronic component housing space 12 Shield cover portion 13 Fuse (electrical and electronic component)
14 Screw (fixing member)
20 Waterproof lid 30, 70, 90 Lid main body portion 30a Circumferential side surface 31 Positioning groove portion 31a Circumferential groove portion 31b Mounting direction groove portion 31c, 71, 91 Cover attachment surface side groove portion 32 Cover attachment surface 32a Cover member fixing portion 40, 60, 80, DESCRIPTION OF SYMBOLS 100 Elastic seal member 41 Annular part 42 Projection part 43, 61, 81, 101 Fixing part 50 Cover member 51 Mounting surface 51a Back surface 52 Screw insertion hole 53 Visual confirmation part 71a Restriction wall 81a End part bending part 81b Center piece 91a Positioning pin 101a Center hole 200 Connector with built-in electric and electronic parts 201 Connector terminal

Claims (7)

An electrical / electronic component housing portion that houses an electrical / electronic component and has an opening that allows the electrical / electronic component to be attached / detached, a waterproof lid that closes the opening, and a lid body portion that constitutes a body portion of the waterproof lid In the waterproof housing structure for electrical and electronic parts having an elastic seal member attached to
The waterproof housing structure for the electrical and electronic parts is
A cover member attached to the outside of the lid main body,
The lid body part is
A cover mounting surface side groove portion into which a part of the elastic seal member is fitted into a cover mounting surface to be a surface for mounting the cover member;
The elastic seal member is
The groove of the cover mounting surface side groove portion in a position retracted into the cover mounting surface side groove portion so as not to come into contact with the cover member attached to the lid main body portion and in the orthogonal biaxial direction forming the cover mounting surface A fixing portion for fixing the elastic seal member to the lid main body portion while being positioned by being disposed between the lid main body portion and the cover member in a state of being in contact with and fitted on the inner surface; A waterproof housing structure for electrical and electronic parts. The cover member is
The waterproof housing structure for electrical and electronic parts according to claim 1, wherein at least a part is made of a material having an electromagnetic shielding function. The cover member is
It has a visual confirmation part consisting of a through-hole or a light-transmitting part capable of visually confirming at least a part of the fixed part fitted in the groove part on the cover attachment surface side when attached to the lid body part. The waterproof housing structure for electrical and electronic parts according to claim 1 or 2. The cover member is
It has a mounting surface that becomes a surface that overlaps the cover mounting surface of the lid main body part,
The visual confirmation part is
The waterproof housing structure for electrical and electronic parts according to claim 3, wherein the waterproof housing structure is provided on a back surface of the mounting surface. The elastic seal member is
An annular part that is annularly attached along the peripheral side surface of the lid body part;
A protrusion formed so as to protrude from a part of the annular portion perpendicular to the circumferential direction and toward the cover mounting surface;
Have
The cover mounting surface is
Forming in a direction orthogonal to the peripheral side surface,
The waterproof housing structure for electric and electronic parts according to claim 1, 2, 3, or 4, wherein the fixing portion is connected in an orthogonal direction to the protruding portion. The fixing part is
The waterproof housing structure for electric and electronic parts according to claim 5, wherein the lower end is formed into a T shape with a connection portion with the protruding portion. In the electrical / electronic component built-in connector with built-in electrical / electronic components,
An electrical / electronic component built-in connector comprising the waterproof housing structure for electrical / electronic components according to claim 1.

Images