JP4971223B2 - Fixed structure - Google Patents

Description

  The present invention relates to a fixing structure, and more particularly to a clip-type fixing structure of a resin molded product including a molded product made of a rubber-like elastic material.

  As shown in FIGS. 7 (a) and 7 (b), as a structure for fixing a molded product using a rubber-like elastic material or the like, an arrowhead shape (return shape) integrally formed with the molded product (attachment body) 100 is illustrated. The engagement protrusion pin 101 is pushed into an engagement hole 103 formed in the fixed object 102, and the engagement protrusion pin 101 is reversely engaged with the fixed object 102, whereby the molded product 100 is fixed to the fixed object 102. Fixed ones are known and widely used for fixing various molded products. 7A shows the temporary placement state, and FIG. 7B shows the fixing completion state.

The above-described fixing structure using the arrowhead-shaped engaging protrusion pins 101 has the following problems.
(1) Since the diameter of the engagement hole 103 formed in the fixed object 102 is small according to the outer diameter of the engagement protrusion pin 101, it is difficult to align the engagement protrusion pin 101 with respect to the engagement hole 103.
(2) Since the engaging protrusion pins 101 are standing, the arrangement state of the molded product 100 is not stable during temporary placement as shown in FIG. 7A, and it is difficult to set the molded product 100. .
(3) Since the engaging protrusion pin 101 protrudes to the back side of the fixed object 102 in the fixed state, it is necessary to secure a large space around the fixed object 102 and the degree of design freedom is reduced. .

  The problem to be solved by the present invention is a structure for fixing a molded product made of a rubber-like elastic material, etc., which is easy to align during assembly, easy to set, and does not require a large space around the object to be fixed. Is to do so.

  The fixing structure according to the present invention is a fixing structure for fixing the second member to the member fixing surface portion of the first member, and a through hole is formed through the member fixing surface portion, and one of the member fixing surface portions is formed. A hook portion is formed on a surface opposite to the member fixing surface formed by the surface of the first member, and a flexible locking piece is formed on the second member. It is installed on the member fixing surface of the first member, the locking piece penetrates the through hole, is bent in a direction along the surface opposite to the member fixing surface, and is hooked on the hook portion. The second member is fixed to the member fixing surface portion of the first member by the hook.

  In the fixing structure according to the present invention, preferably, the hook portion is a hook-shaped locking projection formed to protrude on the opposite surface, and the locking piece has an opening through which the locking projection penetrates, In a state where the locking projection is passed through the opening, the locking projection is bent in a direction along the opposite surface and is engaged with the locking projection.

  In the fixing structure according to the present invention, preferably, the left and right sides of the opening are defined by a pair of left and right elastic legs having a dogleg shape.

  In the fixing structure according to the present invention, preferably, the second member is a resin molded product, and the locking piece is made of a rubber-like elastic material and is integrally formed with the second member.

  In the fixing structure according to the present invention, preferably, the second member is a cup receiving member made of a rubber-like elastic material provided with a cup housing portion, and the first member holds the cup receiving member, and It is the housing | casing made from a rigid body attached to.

  According to the fixing structure of the present invention, the flexible locking piece formed on the second member (for example, a cup receiving member that is a molded product) is used as the first member (for example, the casing that is a fixed object). ), And the hooking piece is bent in a direction along the surface opposite to the member fixing surface of the first member and hooked on the hooking portion of the first member. Since the member is fixed to the first member, the through hole can be made larger with respect to the size of the locking piece, the positioning at the time of assembly is easy, and it is easy to set. Moreover, since the locking piece is bent in the direction along the opposite surface and hooked on the hooking portion, the locking piece does not protrude outward, and no large space is required around the first member.

  Hereinafter, an embodiment in which a fixing structure according to the present invention is applied to fixing a cup receiving member of an in-vehicle cup holder to a housing will be described with reference to FIGS.

  The in-vehicle cup holder includes a housing 10 having a rigid upper opening made of hard plastics such as polypropylene, and a lid that is attached to the housing 10 so as to be rotatable about a pivot 12 and opens and closes the upper opening of the housing 10. 14 and a cup receiving member 30 having a cup housing portion 32. The housing 10 is attached to the body of an automobile with bolts or the like, and has an attachment piece 16 integrally.

  The cup receiving member 30 is an injection-molded product composed entirely of a rubber-like elastic material, for example, a thermoplastic elastomer, preferably an olefin-based thermoplastic elastomer. The cup receiving member 20 is inserted into the cup receiving member accommodating portion 18 of the housing 10 through the upper opening of the housing 10, and the locking pieces 34 provided at the four upper portions and the locking provided at the two bottom portions. It is fixed to the housing 10 by a piece 36.

  Both the locking piece 34 and the locking piece 36 are integrally formed with a main body portion including the cup housing portion 32 of the cup receiving member 30 and are made of the same rubber-like elastic material as the main body portion. Thereby, the locking piece 34 and the locking piece 36 have flexibility and rubber-like elasticity.

  The locking piece 34 is formed through the locking hole 34 </ b> A, and the locking hole 34 </ b> A is hooked on the locking claw portion 20 formed integrally with the upper edge portion of the housing 10, whereby a cup receiving member is formed. The upper part of 30 is fixed to the upper part of the housing 10. In this way, the upper portion of the cup receiving member 30 is fixed to the upper portion of the housing 10 with one touch without requiring a tool simply by hooking the locking piece 34 to the locking claw portion 20.

  Next, the fixing of the cup receiving member 30 to the housing 10 by the locking piece 36 which is a main part of the present embodiment will be described in detail.

  A relatively large through-hole (opening) 24 having a rectangular shape is formed through the bottom portion 22 of the cup receiving member accommodating portion 18 that is a cup receiving member fixing surface portion of the housing 10. On the surface opposite to the member fixing surface formed by the upper surface 22 </ b> A of the bottom portion 22, that is, the lower bottom surface 22 </ b> B, a hook-shaped locking protrusion 26 is formed as a hook (projected integrally).

  In the present embodiment, the locking protrusion 26 is provided at a position that coincides with one edge of the through hole 24. Further, the lower bottom surface 22B on which the locking projection 26 is provided is one step lower than the other bottom bottom surface 22C.

  The locking piece 36 has a thin tongue-like shape that is formed so as to protrude downward (integrally formed) from the lower bottom surface 32A of the cup receiving portion 32 of the cup receiving member 30. The locking piece 36 has a locking opening 36 </ b> A on the base side, and the tip side of the opening 36 </ b> A is a knob piece portion 36 </ b> B that can be picked by the operator's fingertip. The left and right sides of the opening 36A are demarcated by a pair of left and right elastic legs 36C having a dogleg-shaped bent shape.

  When the bottom portion of the cup receiving member 30 is installed on the bottom portion 22 of the cup receiving member accommodating portion 18 of the housing 10, the locking piece 36 penetrates the through hole 24. Then, the knob piece 36B is picked with a fingertip, the locking protrusion 26 is passed through the opening 36A of the locking piece 36, the locking piece 36 is bent 90 degrees in the direction along the lower bottom surface 22B of the housing 10, and the elastic leg portion The locking piece 36 is hooked and engaged with the locking projection 26 under the extension deformation of 36C.

  Thereby, the bottom part of the cup receiving member 30 is fixed to the bottom part 22 of the cup receiving member accommodating part 18 of the housing | casing 10 by one touch, without requiring a tool. The state in which the locking piece 36 is bent in the direction along the lower bottom surface 22B of the housing 10 is reliably maintained by the locking piece 36 engaging the hook-shaped overhang 26A of the locking projection 26.

  According to the above-described fixing structure, the hooking engagement of the locking piece 36 with respect to the locking projection 26 is not affected by the size of the through hole 24. Can be big enough. This facilitates the alignment when assembling the cup receiving member 30 and facilitates setting.

  Moreover, since the locking piece 36 is bent in the direction along the lower bottom surface 22B of the housing 10 and is caught by the locking projection 26, the locking piece 36 does not protrude outwardly in the fixed state, and the housing 10 No need for large space around. This is particularly useful in a vehicle-mounted cup holder with many space restrictions.

  The fixing structure according to the present invention is not limited to the fixing of the cup receiving member 30, and can be used for fixing various components.

It is a bird's-eye perspective view which shows one embodiment which applied the fixing structure by this invention to the vehicle-mounted cup holder. It is a bird's-eye perspective view which shows one embodiment which applied the fixation structure by this invention to the vehicle-mounted cup holder. It is a bird's-eye perspective view showing one embodiment of a cup receiving member of an in-vehicle cup holder to which a fixing structure according to the present invention is applied. It is an enlarged view of the locking piece of the fixed structure by this embodiment. (A), (b) is an expansion perspective view of the temporary placement state of the principal part of the fixing structure by this embodiment, and a fixing completion state. It is an expanded sectional view of the important section of the fixed structure by this embodiment. (A), (b) is sectional drawing of the temporary placement state of the prior art example of a fixing structure, and a fixing completion state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Housing | casing 14 Cover 18 Cup receiving member accommodating part 20 Locking claw part 24 Through-hole 26 Locking protrusion 30 Cup receiving member 32 Cup accommodating part 34, 36 Locking piece 36A Opening 36C Elastic leg part

Claims (3)

A fixing structure for fixing the second member to the member fixing surface portion of the first member,
A through hole is formed through the member fixing surface portion, and a hook-like locking projection is formed on the surface opposite to the member fixing surface formed by one surface of the member fixing surface portion.
Serial in the second member is a flexible engaging piece having an opening in which the locking projection being defined by a pair of resilient legs has a bent shape of the shaped Ku the left and right sides through the form And
The second member is installed on the member fixing surface of the first member, the locking piece penetrates the through hole, and the locking protrusion is passed through the opening. A fixing structure in which the second member is fixed to the member fixing surface portion of the first member by being bent in a direction along the opposite surface to the hook and hooked on the locking protrusion . The fixing structure according to claim 1, wherein the second member is a resin molded product, and the locking piece is formed of a rubber-like elastic material and is integrally formed with the second member. The second member is a rubber-made elastic cup receiving member provided with a cup housing portion, and the first member is a rigid housing that holds the cup receiving member and is attached to a vehicle body. The fixing structure according to claim 1 or 2 .

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