JPH047008Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is a weather door for automobiles that shrinks and bulges elastically deforms due to air reduction and pressurization to improve door closing and sealing properties. Regarding lip supply and exhaust port mounting structure.

Problems that the invention aims to solve This type of weather strip supply and exhaust port mounting structure has problems in terms of durability, sealing performance, etc.
The purpose is to try to resolve this point.

Means for solving the problem The main body of the weather strip consists of a mounting base attached to the opening/closing part of an automobile and a hollow seal part protruding from the mounting base, and the weather strip is interposed between both ends to be joined. The insertion portions of the connecting portion supply and exhaust port members at both ends of the connecting portion are inserted into the opposing hollow seal portions, respectively, and the connecting portions are connected so that the cross section is approximately the same as the joining end surface of the connected end portion. A molded hollow seal portion that closely contacts the opposing joint end surfaces, the non-insertion portion surface of the connecting portion, and the base surface of the supply and exhaust port portions to join the joint end surface portions, and the mounting base joint end surface portion. The molded weatherstrip portion made of soft solid rubber, which consists of the molded mounting base that connects the two, is integrally formed by vulcanization molding and then joined endlessly.

Effect: Due to the pressure acting on the connecting portion and the hollow portion of the hollow seal portion through the supply and exhaust ports, the seal portion is elastically deformed by shrinking and expanding, thereby improving the door's closing property.
At the same time, the connection part, the molded hollow seal part covering it, and both ends to be joined are elastically deformed in synchronization with the above, and the closing performance and sealing performance of the door are improved. etc., will remain in good condition for a long period of time.

Embodiment An embodiment of this invention will be described in detail with reference to the illustrative diagrams of FIGS. 1 to 15.

In the figure, 1 is the weather strip main body, 2 is the connecting part supply and exhaust port member, 3 is the molded weather strip part, and 4 is the weather strip supply and exhaust port mounting structure of this invention. .

Mainly weather strip made of soft foam rubber 1
The mounting base 9 is fixed to the periphery 7 of the door 6 of the opening/closing part 5 of the automobile, or the side edge 8 of the opening of the vehicle body, and the hollow 10a protruding from the mounting base 9 is in elastic contact with either of the periphery or side edges 7, 8 for sealing. The seal part 10 has a cross-sectional shape that is elastically deformed by shrinking and expanding due to air reduction and pressurization to improve the closing and sealing performance of the door 6.
Then, as shown in Figures 1 and 9, subject 1 is on the left,
The right end is connected via an unillustrated portion that is identical to this and has approximately the same cross section. The soft solid rubber connecting part supply/exhaust port member 2 is comprised of a hollow joint part 11 which is elastically deformed by contracting and expanding due to the above-mentioned reduction and pressurization, and a supply/exhaust port part 12 which is provided in communication and protrudes from the center thereof.

The weather strip supply/exhaust port mounting structure 4 of this invention has both ends 1a, 1a of the main body 1 to be joined.
A connecting portion is provided in the hollow 10a of the opposing hollow seal portions 10b of the end portions 1a, 1a, with insertion portions 11 at both ends of the connecting portion 11 of the exhaust port member 2.
a are inserted and connected to each other, and have substantially the same cross section as the joining end surface 13 of the connected end portion 1a, and the opposite joining end surface 13, the non-inserted portion surface 11b of the connecting portion 11, and the supply and exhaust port portions 12. base surface 12 of
A soft solid rubber mold consisting of a molded hollow seal portion 3a that closely contacts the joint end surface portions 13a of the joint end surface 13, and a molded mounting base portion 3b that similarly connects the mounting base joint end surface portions 13b. The molded weather strip portion 3 is integrally formed by vulcanization molding and joined endlessly. The main body 1 is the same as the weather strip described in detail in the previous Utility Model Application No. 12515/1986. This idea is as shown in Figure 14 in the examples of Figures 1 to 8.
The mounting bases 9 and 3b are fixed to the peripheral edge 7 of the door 6, and in the example shown in FIGS. 9 to 13, the mounting bases 9 and 3b are fixed to the side edge 8 as shown in FIG. The supply and exhaust ports 12 are connected to supply and exhaust pipes 14 that communicate with pressure reduction and pressurization means (not shown).
The hollow 10a and the hollow part 1 are reduced by the reducing and pressurizing means.
When 1c is depressurized, the hollow seal portion 10 is elastically deformed and reduced in size, and at the same time, the connecting portion 11, the seal portion 10b, and the seal portion 3a are also elastically deformed and reduced in size as shown by the dashed line. In this invention, when the door 6 is closed in this reduced state, the door 6 has an extremely good closing performance. Next, when the inside of the hollow 10a and the hollow part 11c is pressurized, the molded hollow seal part 3a bulges, and this is elastically attached to the side edge 8 in FIG. 14 and the door 6 in FIG. 15 without creating a gap. The opening/closing portion 5 is sealed in contact with the opening/closing portion 5. As described above, this invention can be repeatedly subjected to elastic deformation such as contraction and expansion, but can withstand long-term use without peeling, tearing, or deformation. In the figure, the two-dot chain line is a state diagram when there is no pressure inside the hollow portion 11c.

Effects of the invention As described above, this invention connects the two ends of the main body of the weather strip with a connecting part provided and an exhaust port member interposed therebetween, and further forms a mold between the joining end surfaces of the ends to be joined. Since the weather strip portion is integrally formed by vulcanization molding and endlessly joined, durability and sealing performance are extremely good, and its practical value is great.

[Brief explanation of the drawing]

Figures 1 to 3 are explanatory diagrams of this invention; Figure 1 is a sectional plan view, Figure 2 is a front view, Figure 3 is Figure 1A,
4 is a sectional view taken along lines B and B in FIG. Figure 7 is a side view;
Figure 8 is Figure 5C, C line side, sectional view, 9th to 1st
Figure 1 is another example, Figure 9 is a cross section and a plan view, Figure 10 is a front view, Figure 11 is a cross-sectional view on the D and D lines in Figure 9, and Figure 12 is a cross section on lines E and E in Figure 9. Figures 13 and 13 are side views, and Figures 14 and 15 are explanatory diagrams of the operation when installed. 1... Weather strip main body, 2... Connection part attached, exhaust port member, 3... Molded weather strip portion, 4... Supply/exhaust port mounting structure of this invention.

Claims (1)

[Scope of utility model registration request] It consists of a mounting base fixed to the door periphery of the opening/closing part of the automobile or the side edge of the vehicle body opening, and a hollow seal part protruding from the mounting base that makes elastic contact with either the periphery or the side edge for sealing. The main body of the weather strip is made of soft foam rubber, which has a cross-sectional shape that shrinks and swells under pressure to improve the closing and sealing performance of the door, and is interposed between both ends of the weather strip to be joined. The insertion portions of the connecting portion made of soft solid rubber and the insertion portions at both ends of the connecting portion of the exhaust port member are respectively inserted into the opposing hollow seal portions of the end portions, and connected to the joining end surface of the connected end portion to be joined. A die-molded hollow seal portion having substantially the same cross section and closely contacting the opposing joining end surfaces, the surface of the non-inserted portion of the connecting portion, and the base surface of the supply and exhaust port portions, and joining the joining end surface portions of the hollow seal portion of the joining end surface; , and a weather strip characterized in that molded weather strip parts made of soft solid rubber consisting of a molded mounting base that joins the joint end surface parts of the mounting bases are integrally adhered by vulcanization molding and are endlessly joined. Supply and exhaust port mounting structure.