JP6599500B2 - Fixed structure - Google Patents

Description

  The present invention relates to a fixing structure for fixing a first plate-like resin member and a second plate-like resin member.

  Conventionally, as a structure for fixing two resin members, a structure for attaching a resin member described in Patent Document 1 is known. In this attachment portion structure, the first resin member (10) and the second resin member (20) are fastened together with the attachment member (1) by the stepped bolt (30) and the nut (4). Therefore, the first resin member (10) and the second resin member (20) are fixed.

  The first resin member (10) is notched and formed with a first coupling hole forming portion (13) that forms a coupling hole (28) for fitting the stepped portion (31) of the stepped bolt (30). The resin member (20) is formed with an embossed attachment portion (22) and a second coupling portion (24). In addition, a second coupling hole forming part (26) is notched in the second coupling part (24). And the end surface (12) of the 1st resin member (10) and the end surface (25) of the 2nd resin member (20) are contacted, and the joint hole (28) is formed. The step portion (31) and the head portion (33) of the stepped bolt (30) are disposed in the coupling hole (28) and in the attachment portion portion (22).

JP 2003-181938 A

  As described above, in the mounting portion structure described in Patent Document 1, in order to form the coupling hole (28), the end surface (12) of the first resin member (10) and the end surface (25) of the second resin member (20). Thus, there is a problem in that the contact surface is required, and the shape of the end surface of the resin member to be fixed is limited to a certain extent. Moreover, although the 2nd coupling | bond part (24) of a 2nd resin member (20) is easy to form at the time of shaping | molding of the 2nd resin member (20), it forms after molding the 2nd resin member (20). It is difficult. Therefore, when the resin member already molded into a plate shape is used for fixing, the mounting portion structure described in Patent Document 1 is difficult to adopt.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-described problems and provide a resin member fixing structure in which the processing of the resin member is only the formation of a through hole.

  The fixing structure of the present invention is a fixing structure for fixing a first plate-like resin member and a second plate-like resin member using a first connecting component having a male screw portion and a second connecting component having a female screw portion. The first plate-like resin member is disposed on one side of the second connecting component, the second plate-shaped resin member is disposed on the other side of the second connecting component, and the male screw portion and the female The first plate-like resin member is fixed between the head of the first connecting component and the second connecting component by screwing the screw portion, and the second plate-like resin member is fixed to the second connecting component. It is fixed to the other side surface by an adhesive.

  Further, in the fixing structure of the present invention, the first connecting component has a step portion that contacts the second connecting component, and the first plate-like resin member has an insertion hole through which the step portion can be inserted, The length of the step portion is longer than the thickness of the first plate-like resin member.

  Further, in the fixing structure of the present invention, the second connecting component includes a flat flat plate portion, a through hole, and a peripheral wall portion standing on a peripheral edge portion of the through hole, and the peripheral wall portion is It is formed in the said other side surface of a 2nd connection component, The said internal thread part is formed in the inner surface of the said through-hole, and the inner surface of the said surrounding wall part, It is characterized by the above-mentioned.

  In the fixing structure of the present invention, the first connecting part has an abutting part that abuts on the second connecting part, and the abutting part abuts on the one side surface of the second connecting part. And

  According to the present invention, the first plate-like resin member and the second plate-like resin member can be fixed with a simple structure.

It is a perspective view of the stepped bolt which shows Example 1 of this invention. It is a perspective view of a burring nut other side surface same as the above. It is a perspective view of a metal washer. It is a perspective view of a rubber washer. It is a longitudinal cross-sectional view of the state which fixed the 1st plate-shaped resin member and the 2nd plate-shaped resin member.

  Embodiments of the present invention will be described below with reference to FIGS. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

  1 to 5 show Embodiment 1 of the present invention, in which a first plate-like resin member 3 and a second plate-like member are formed by a stepped bolt 1 as a first connecting component and a burring nut 2 as a second connecting component. The resin member 4 is fixed.

  As shown in FIGS. 1 and 5, the stepped bolt 1 includes a head portion 5, a step portion 6, and a male screw portion 7. The head 5 includes a hexagonal column-shaped tool locking portion 8 and a flange portion 9 having a diameter larger than that of the tool locking portion 8. The tool locking portion 8 is a tool for rotating the stepped bolt 1 when screwing the stepped bolt 1 into the burring nut 2 and when removing the stepped bolt 1 from the burring nut 2 (not shown, for example, , Spanner, etc.). The step portion 6 has a smaller diameter than the flange portion 9 and is formed in a columnar shape. A flat contact portion 10 is formed on the end surface of the stepped portion 6 on the male screw portion 7 side. The male screw portion 7 is formed with a smaller diameter than the step portion 6. In addition, although the head 5 of the present embodiment is formed in a hexagonal column shape, it is formed in a cylindrical shape and a hexagonal hole (not shown) is formed, and a hexagonal wrench (not shown) is formed in the hexagonal hole. Other shapes may be used as long as the tool can be locked to rotate the stepped bolt 1 such as insertion to enable the stepped bolt 1 to rotate.

  As shown in FIGS. 2 and 5, the burring nut 2 is made of metal and includes a rectangular plate-shaped flat plate portion 11 and a peripheral wall portion 12. A circular through hole 13 that penetrates the burring nut 2 is formed in the center of the burring nut 2. One side surface 14 of the burring nut 2 is formed flat. The peripheral wall portion 12 is the other side surface 15 of the burring nut 2 and is formed in a cylindrical shape on the other side surface peripheral portion 16 that is the peripheral portion of the through hole 13. A female screw portion 19 that can be screwed with the male screw portion 7 of the stepped bolt 1 is formed on the inner surface 17 of the through hole and the inner surface 18 of the peripheral wall portion 12. In addition, although the flat plate part 11 of the burring nut 2 of a present Example is formed in rectangular plate shape, you may form in other shapes, such as circular plate shape.

  The first plate-like resin member 3 and the second plate-like resin member 4 are formed of fiber reinforced plastic (FRP), such as a fender (not shown), a grill (not shown), a bumper (not shown), or the like. It is a part constituting a part (not shown).

  In addition, in this embodiment, for fixing the first plate-like resin member 3 and the second plate-like resin member 4, as shown in FIGS. 3 to 5, a metal washer 20 and a rubber washer 21 as an elastic member, Adhesive 22 is used. The metal washer 20 has a bolt hole 23 through which the step 6 of the stepped bolt 1 can be inserted. The rubber washer 21 is also provided with a bolt hole 24 through which the step 6 of the stepped bolt 1 can be inserted. The outer diameter of the rubber washer 21 is slightly smaller than the outer diameter of the metal washer 19. Various adhesives can be used as the adhesive 22 as long as the burring nut 2 and the second plate-like resin member 4 can be securely bonded and fixed.

  Here, the fixing method of the 1st plate-shaped resin member 3 and the 2nd plate-shaped resin member 4 is demonstrated. First, circular insertion holes 25 and 26 through which the stepped bolt 1 can be inserted are formed in the first plate-like resin member 3 and the second plate-like resin member 4. The insertion holes 25 and 26 may be formed when the first plate-like resin member 3 and the second plate-like resin member 4 are molded. Next, the positions of the peripheral wall portion 12 of the burring nut 2 and the insertion hole 26 are aligned, and the burring nut 2 and the second plate-like resin member 4 are bonded and fixed by the adhesive 22. The diameter of the insertion hole 26 is slightly larger than the outer diameter of the peripheral wall portion 12, and the peripheral wall portion 12 can be accommodated in the insertion hole 26, so that the alignment is easy. Thus, the second plate-like resin member 4 is fixed to the flat plate portion 11 on the other side surface 15 of the burring nut 2.

  Next, the step portion 6 of the stepped bolt 1 is inserted into the metal washer 20, the rubber washer 21, and the first plate-like resin member 3. The metal washer 20 is brought into contact with the flange portion 9, the rubber washer 21 is brought into contact with the metal washer 20, and the first plate-like resin member 3 is brought into contact with the rubber washer 21. Then, the male screw portion 7 of the stepped bolt 1 is inserted into the through hole 13 from the one side surface 14 side of the burring nut 2 and screwed into the female screw portion 19. When the male screw portion 7 is screwed into the female screw portion 19, the contact portion 10 of the step portion 6 contacts the one side surface 14 of the burring nut 2. In this state, the metal washer 20, the rubber washer 21, and the first plate-like resin member 3 are sandwiched between the flange portion 9 of the stepped bolt 1 and one side surface 14 of the burring nut 2. The contact portion 10 of the step portion 6 contacts the one side surface side peripheral portion 27 which is the peripheral portion of the through hole 13 in the one side surface 14. Since the peripheral wall portion 12 is formed, the one side surface side peripheral portion 27 is a portion formed thicker than the flat plate portion 11, and against the tightening load when the male screw portion 7 and the female screw portion 19 are screwed together. This is more advantageous than the flat plate portion 11.

  In this embodiment, the length L of the step portion 6 is 5.0 mm (millimeters), the plate thickness of the first plate-like resin member 3 is 2.3 mm, the plate thickness of the metal washer 20 is 1.6 mm, and the rubber washer. The plate thickness of 21 is designed to be 2.0 mm. The total thickness of the first plate-like resin member 3, the metal washer 20, and the rubber washer 21 is 5.9 mm, which is longer than the length L of the step portion 6. Therefore, in a state where the contact portion 10 is in contact with one side surface 14 of the burring nut 2, the rubber washer 21 is elastically deformed, and the first plate-like resin member 3 is firmly held together with the metal washer 20 and the rubber washer 21. . The length L of the step portion 6, the plate thickness of the first plate-like resin member 3, the plate thickness of the metal washer 20, and the plate thickness of the rubber washer 21 are other dimensions. Other dimensions can be selected as long as the resin member 4 can be securely fixed. Moreover, a desired dimension can also be selected for the plate thickness of the second plate-like resin member 4.

  Since the first plate-shaped resin member 3 is fixed in a state of being sandwiched between the stepped bolt 1 and the burring nut 2, and the second plate-shaped resin member 4 is fixed to the burring nut 2 by the adhesive 22, the first plate-shaped resin member 3 is fixed. The resin member 3 and the second plate-like resin member 4 are fixed with the burring nut 2 sandwiched therebetween. The first plate-like resin member 3 and the second plate-like resin member with the first plate-like resin member 3 in contact with one side surface 14 of the burring nut 2 and the second plate-like resin member 4 in contact with the other side surface 15. 4 is fixed. Therefore, the first plate-like resin member 3 and the second plate-like resin member 4 are fixed apart by the thickness of the flat plate portion 11 of the burring nut 2, strictly, the thickness of the flat plate portion 11 and the thickness of the adhesive 22. The Therefore, the distance between the first plate-like resin member 3 and the second plate-like resin member can be adjusted by adjusting the thickness of the flat plate portion 11.

  As described above, the fixing structure of this embodiment uses the stepped bolt 1 as the first connecting part having the male screw part 7 and the burring nut 2 as the second connecting part having the female screw part 19. A fixing structure for fixing the plate-like resin member 3 and the second plate-like resin member 4, wherein the first plate-like resin member 3 is arranged on one side surface 14 side of the burring nut 2, and the second plate-like resin member 4 is The first plate-like resin member 3 is disposed between the head 5 of the stepped bolt 1 and the burring nut 2 by being arranged on the other side surface 15 side of the burring nut 2 and the male screw portion 7 and the female screw portion 19 being screwed together. And the second plate-like resin member 4 is fixed to the other side surface 15 of the burring nut 2 with an adhesive 22, so that the first plate-like resin member 3 and the second plate-like resin member 4 have insertion holes 25, 26 with a stepped bolt 1 and a burring nut 2 A first plate-shaped resin member 3 and the second plate-like resin member 4 can be fixed easily only by Chakuzai 22.

  Further, in the fixing structure of the present embodiment, the stepped bolt 1 has a step portion 6 that contacts the burring nut 2, and the first plate-like resin member 3 has an insertion hole 25 through which the step portion 6 can be inserted, Since the length of the step portion 6 is longer than the thickness of the first plate-like resin member 3, the first plate-like resin member 3 is not pressed more than necessary by the screwing of the male screw portion 7 and the female screw portion 19. Can be fixed. Therefore, it is possible to prevent damage to the first plate-like resin member 3 due to the screwing of the male screw portion 7 and the female screw portion 19.

  Further, the fixing structure of the present embodiment is such that the burring nut 2 includes a flat plate portion 11, a through hole 13, and a peripheral wall portion 12 erected on the other side surface peripheral portion 16 as a peripheral portion of the through hole 13. , The peripheral wall portion 12 is formed on the other side surface 15 of the burring nut 2, and the female screw portion 19 is formed on the inner surface 17 of the through hole 13 and the inner surface 18 of the peripheral wall portion 12. Since the distance between the resin member 3 and the second plate-like resin member 4 is the plate thickness of the flat plate portion 11, the first plate-like resin member 3 and the second plate-like resin member 4 can be brought close to each other and fixed.

  Further, in the fixing structure of this embodiment, the stepped bolt 1 has a contact portion 10 that contacts the burring nut 2, and the contact portion 10 contacts the one side surface 14 of the burring nut 2, whereby the stepped bolt The distance between one head 5 and one side surface 14 of the burring nut 2 does not become narrower than the length L of the stepped portion 6. Therefore, when connecting the stepped bolt 1 and the burring nut 2, the first plate-shaped resin member 3 can be fixed without being pressed more than necessary by screwing the male screw portion 7 and the female screw portion 19.

  In addition, this invention is not limited to the said Example, A various deformation | transformation implementation is possible within the range of the summary of this invention. For example, the first plate-like resin member 3 and the second plate-like resin member 4 may be components other than the components used in the vehicle.

1 Stepped bolt (first connecting part)
2 Burring nut (second connecting part)
DESCRIPTION OF SYMBOLS 3 1st plate-shaped resin member 4 2nd plate-shaped resin member 5 Head 7 Male screw part 15 Other side surface 19 Female screw part 22 Adhesive

Claims (4)

A fixing structure for fixing the first plate-shaped resin member and the second plate-shaped resin member using a first connection component having a male screw portion and a second connection component having a female screw portion,
The first plate-like resin member is arranged on one side of the second connecting component, the second plate-like resin member is arranged on the other side of the second connecting component,
The first plate-like resin member is fixed between the head of the first connecting component and the second connecting component by screwing the male screw portion and the female screw portion,
The fixing structure, wherein the second plate-like resin member is fixed to the other side surface of the second connecting component with an adhesive. The first connecting component has a step portion that contacts the second connecting component;
The first plate-like resin member has an insertion hole through which the step portion can be inserted,
The fixing structure according to claim 1, wherein a length of the stepped portion is longer than a thickness of the first plate-like resin member. The second connecting component has a flat flat plate portion, a through hole, and a peripheral wall portion erected on a peripheral edge portion of the through hole,
The peripheral wall portion is formed on the other side surface of the second connecting component;
The fixing structure according to claim 1, wherein the female screw portion is formed on an inner surface of the through hole and an inner surface of the peripheral wall portion. The said 1st connection component has a contact part contact | abutted with said 2nd connection component, The said contact part contact | abuts to the said one side surface of said 2nd connection component, The any one of Claims 1-3 The fixing structure according to claim 1.

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