JP2016148355A - Seal structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seal structure using a division grommet capable of improving a waterproof property.SOLUTION: A seal structure 1 seals between pipes 2 and 3 inserted into a through-hole 5 of a ceiling plate 4 and the through hole 5, by using a division grommet 6. The seal structure 1 is equipped with a pair of grommet division bodies 11 and 12; a pair of platy brackets 7 and 8; and a seal material 10. The pair of the grommet division bodies 11 and 12 configure the division grommet 6. The pair of the platy brackets 7 and 8 are installed while being stuck with the pair of the grommet division bodies 11 and 12. The pair of the platy brackets 7 and 8 are fastened and fixed on the ceiling plate 4 while the pair of the grommet division bodies 11 and 12 is stuck on the generally whole areas of outer peripheries of the pipes 2 and 3 inserted into the through-hole 5. The seal material 10 is applied and hardened between the plurality of the platy brackets 7 and 8 fastened and fixed on the ceiling plate 4.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a seal structure that seals using a divided grommet.

  Patent Document 1 describes a gap filling member including a semi-annular upper divided grommet attached to an upper bracket and a semi-annular lower divided grommet attached to a lower bracket. Attach the upper bracket to the upper plate, place the upper half of the radiator hose in the upper split grommet, place the lower bracket below the radiator hose and cover the lower half of the radiator hose with the lower grommet. The gap filling member is attached by bringing the boundary edges of the bracket into close contact and attaching the lower bracket to the upper plate with a bolt.

Japanese Patent Application Laid-Open No. 2012-136846

  However, in the structure described above, the boundary edges of the two brackets are merely brought into close contact with each other, so that water may enter from between the boundary edges.

  Accordingly, an object of the present invention is to improve waterproofness in a seal structure using divided grommets.

  In order to achieve the above object, the present invention provides a seal structure that seals between a linear member passing through a through hole of a plate-like member and the through hole using a divided grommet, and a pair of divided grommets A body, a pair of plate-shaped brackets, and a sealing material are provided.

  The pair of grommet divided bodies constitute a divided grommet. The pair of plate-like brackets are mounted in a state where the pair of grommet divided bodies are in close contact with each other.

  The pair of plate-like brackets are fastened and fixed to the plate-like member in a state where the pair of grommets are in close contact with substantially the entire outer periphery of the linear member that passes through the through hole. The sealing material is applied and cured between a pair of plate brackets fastened and fixed to the plate member.

  In the above configuration, since the sealing material is applied between the plate brackets and hardened, it is possible to surely prevent water from entering from the boundary edge of the plate brackets and to improve the waterproofness.

  According to the seal structure of the present invention, the waterproof property can be improved in the seal structure using the divided grommets.

It is a disassembled perspective view of the seal structure which concerns on embodiment of this invention. It is II-II arrow sectional drawing of FIG. It is the III-III arrow side view of FIG. It is the top view which looked at the seal structure of Drawing 1 from the upper part.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  The seal structure 1 shown in FIGS. 1 to 4 is applied to, for example, pipes (linear members) 2 and 3 that are connected to an air conditioner (not shown) mounted on the roof of the cab and routed into the passenger compartment. Is done. The seal structure 1 includes a divided grommet 6, a pair of plate-like brackets 7 and 8, a plurality of bolts 9, and a seal material 10, and a through-hole 5 of a ceiling plate (plate-like member) 4 in a vehicle interior. Between the pipes (linear members) 2 and 3 and the through-holes 5 are inserted using the divided grommets 6 and the plate-like brackets 7 and 8.

  The divided grommet 6 is constituted by a pair of grommet divided bodies 11 and 12 made of rubber, resin material, or the like. The pair of grommet divided bodies 11 and 12 has a shape that is line symmetric with respect to a linear dividing line.

  One grommet divided body 11 has a semicircular fitting portion 11a into which the pipe 2 is fitted and a semicircular fitting portion into which the pipe 3 is fitted on the side facing the other grommet divided body 12. 11b. The pipe 2 is fitted to the fitting part 11a, and the other pipe 3 is fitted to the fitting part 11b. One grommet divided body 11 is formed with an insertion groove 11c into which the notch 7a of the plate-like bracket 7 is inserted on the opposite side to the side where the fitting portions 11a and 11b are formed. The notch 7a portion of the plate bracket 8 is inserted.

  The other grommet divided body 12 has a semicircular fitting portion 12a into which the pipe 2 is fitted and a semicircular fitting portion into which the pipe 3 is fitted on the side facing the one grommet divided body 11. 12b is formed. The pipe 2 is fitted to the fitting part 12a, and the other pipe 3 is fitted to the fitting part 12b. The other grommet divided body 12 is formed with an insertion groove 12c into which the notch 8a of the plate bracket 8 is inserted on the side opposite to the side where the fitting portions 12a and 12b are formed. The notch 8a part of the plate-shaped bracket 8 is inserted.

  The pair of plate-like brackets 7 and 8 have a flat plate shape that is line-symmetric with each other. A plurality of bolt insertion holes (not shown) are respectively formed in the pair of plate brackets 7 and 8, and the bolts 9 are inserted through the respective bolt insertion holes.

  One plate-like bracket 7 has a linear opposed edge 7b divided into two on the side facing the other plate-shaped bracket 8, and a grommet divided body 11 is fitted between the two opposed edges 7b. A matching notch 7a is formed to be recessed from the opposite edge 7b. By inserting the notch 7a into the insertion groove 11c of the grommet divided body, the grommet divided body 11 is fitted into the notch 7a.

  Similarly to the one plate-like bracket 7, the other plate-like bracket 8 also has a linearly opposed edge 8b divided into two on the side facing the one plate-like bracket 7, and the two opposite edges 8b A notch 8a into which the grommet divided body 12 is fitted is formed so as to be recessed from the opposing edge 8b. By inserting the notch 8a into the insertion groove 12c of the grommet divided body, the grommet divided body 12 is fitted into the notch 8a.

  The pair of plate brackets 7 and 8 are fastened and fixed to the ceiling plate 4 with a plurality of bolts 9 in a state where the pair of grommet divided bodies 11 and 12 are in close contact with substantially the entire outer periphery of the pipes 2 and 3. . A plurality of bolt holes (not shown) in which the bolts 9 are screwed are formed around the through holes 5 of the ceiling plate 4. Each bolt 9 is inserted into a bolt insertion hole of the plate brackets 7 and 8 from the upper surface side of the plate brackets 7 and 8 and screwed into a bolt hole (not shown) of the ceiling plate 4. In this state, the opposing edge 7b of the plate-like bracket 7 and the opposing edge 8b of the plate-like bracket 8 are close to or in contact with each other.

  The sealing material 10 includes a pair of plate-like brackets 7 and 8 fastened and fixed to the ceiling plate 4 (between opposing edges 7b and 8b), and outer peripheries 7c and 8c of the plate-like brackets 7 and 8 and the ceiling plate 4. It is applied between and cured.

  Next, the operation of assembling the pipes 2 and 3 to the ceiling board 4 with the brackets 7 and 8 will be described with reference to FIGS.

  First, the pair of grommets 11 and 12 are abutted against each other so that the pipe 2 is fitted to the fitting parts 11a and 12a and the pipe 3 is fitted to the fitting parts 11b and 12b.

  Next, the pair of plate-like brackets 7 and 8 are brought into contact with each other so that one grommet divided body 11 fits into the notch 7a and the other grommet divided body 12 fits into the notch 8a. The Thereby, the notch 7a portion of the plate-like bracket 7 is inserted into the insertion groove 11c of the one grommet divided body 11, and the notch 8a portion of the plate-like bracket 8 is the insertion groove of the other grommet divided body 12. 12c.

  Next, a pair of plate brackets 7 and 8 are fastened and fixed to the ceiling plate 4 with a plurality of bolts 9 in a state where the pair of grommet divided bodies 11 and 12 are in close contact with substantially the entire outer periphery of the pipes 2 and 3. . Thereby, the pipes 2 and 3 are supported by the ceiling plate 4.

  Finally, the sealing material 10 is applied between the pair of plate brackets 7, 8 fastened and fixed to the ceiling plate 4, and between the outer circumferences 7 c, 8 c of the plate brackets 7, 8 and the ceiling plate 4. Wear and cure.

  As described above, in the present embodiment, the sealing material 10 is applied and cured between the plate brackets 7 and 8 and between the plate brackets 7 and 8 and the ceiling plate 4. Therefore, it is possible to reliably prevent water from entering from the boundary edge of the plate brackets 7 and 8, and the waterproofness is improved.

  As mentioned above, although the embodiment to which the invention made by the present inventor is applied has been described, the present invention is not limited by the discussion and the drawings that form part of the disclosure of the present invention according to this embodiment. That is, it should be added that other embodiments, examples, operation techniques, and the like made by those skilled in the art based on this embodiment are all included in the scope of the present invention.

  The seal structure according to the present invention can be used for a truck cab or the like.

1 Seal structure 2, 3 Piping (Linear member)
4 Ceiling board (plate-like member)
5 Through-hole 6 Divided grommet 7, 8 Plate bracket 10 Seal material 11, 12 Grommet divided body

Claims (1)

A seal structure that seals between a linear member that passes through a through-hole of a plate-like member and the through-hole using a divided grommet,
A pair of grommet divided bodies constituting the divided grommet;
A pair of plate-like brackets mounted in a state where the pair of grommets are in close contact with each other;
A sealing material,
The pair of plate-like brackets are fastened and fixed to the plate-like member in a state where the pair of grommet divided bodies are in close contact with substantially the entire outer periphery of the linear member inserted through the through-hole,
The seal structure, wherein the seal material is applied and cured between the pair of plate brackets fastened and fixed to the plate member.

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