Waterproof case for automobile components

Patent metadata

Field	Value
Publication number	US-2022015254-A2
Application number	US-202117244046-A
Country	US
Kind code	A2
Filing date	Apr 29, 2021
Priority date	Oct 31, 2018
Publication date	Jan 13, 2022
Grant date	—

Abstract

A waterproof case for automobile components includes: a case body part that includes a storage space for housing an object and an opening connecting to the storage space; and a lid part that is configured to be attached to the case body part to close the opening. A seal material (made of an adhesive silicone gel is interposed between the case body part and the lid part. An acceptance part is provided in at least one of the case body part and the lid part. An engagement convex part is configured to be locked in the acceptance part at a position corresponding to the acceptance part in the case body part and the lid part.

First claim

What is claimed is:

1 . A waterproof case for automobile components, comprising:
a case body part that includes a storage space for housing an object and an opening connecting to the storage space; a lid part that is configured to be attached to the case body part to close the opening; a seal material that is made of an adhesive silicone gel and is interposed between the case body part and the lid part; an acceptance part that is provided in at least one of the case body part and the lid part; and an engagement convex part that is provided at a position corresponding to the acceptance part in the case body part and the lid part and is configured to be locked in the acceptance part, wherein the seal material is compressed such that a compressed height of the seal material compressed between the case body part and the lid part is in a range of 40% or more and 80% or less of an uncompressed height of the seal material.

2. The waterproof case for the automobile components according to claim 1 , wherein
a hardness of the seal material measured by pressing a type-E durometer with a load of 1 kg is in a range of 5 or more and 30 or less.

3 . The waterproof case for the automobile components according to claim 1 , wherein
a tensile shear strength of the seal material is 0.02 MPa or more.

4 . The waterproof case for the automobile components according to claim 1 , wherein
the silicone gel is a hardened product of a photo-curable silicone composition containing a thiol cross-linking agent.

5 . The waterproof case for the automobile components according to claim 1 , wherein
at least one of the case body part and the lid part is made of a resin.

6 . The waterproof case for the automobile components according to claim 1 , wherein
at least one of the case body part and the lid part has a seal material retaining groove including a bottom surface and a side surface connecting to the bottom surface, and the seal material is arranged on the bottom surface with a clearance from the side surface.

7 . The waterproof case for the automobile components according to claim 6 , wherein
a projection protrudes from a position facing the seal material retaining groove in the case body part and the lid part toward the bottom surface, and the projection is press-fitted into the seal material.

8 . The waterproof case for the automobile components according to claim 1 , wherein
the waterproof case for the automobile components is used in an engine compartment of an automobile.

9 . A waterproof case for automobile components, comprising:
a case body part that includes a storage space for housing an object and an opening connecting to the storage space; a lid part that is configured to be attached to the case body part to close the opening; a seal material that is made of an adhesive silicone gel and is interposed between the case body part and the lid part; an acceptance part that is provided in at least one of the case body part and the lid part; and an engagement convex part that is provided at a position corresponding to the acceptance part in the case body part and the lid part and is configured to be locked in the acceptance part, wherein at least one of the case body part and the lid part has a seal material retaining groove including a bottom surface and a side surface connecting to the bottom surface, and the seal material is arranged on the bottom surface with a clearance from the side surface.

Assignees

• Okamoto Shinichi
• Taniguchi Yuka
• Kurokawa Akihisa
• Wachi takanori
• Nogami Yasutoshi
• Denso Corp
• Three Bond Co Ltd

Inventors

• Okamoto Shinichi
• Taniguchi Yuka
• Kurokawa Akihisa
• Wachi takanori
• Nogami Yasutoshi

Classifications

• F16J15/10

  with non-metallic packing · CPC title

• H05K5/061 Primary

  sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing · CPC title

• F16J15/14

  by means of granular or plastic material, or fluid · CPC title

• H05K5/0056

  characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors · CPC title

• H05K5/062 Primary

  sealed by a material injected between a non-removable cover and a body, e.g. hardening in situ · CPC title