JP2510988Y2 - Plate fasteners - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a fastener for attaching two plate-like objects in a watertight manner without any looseness, and in particular, by providing one fastener for the fastener, both plate-like articles are watertight. The present invention relates to the provision of a fastener for a plate-like object that can be attached physically and loosely.

[0002]

2. Description of the Related Art Generally, when two or more plate-like objects are mounted in a watertight manner or without rattling, a sealing material or a packing material is inserted between the plate-like materials and screwed, or rivets are fixed or clipped. It was fastened using. For example, when installing a drafter on a vehicle body panel, first install a hole in the body panel to prevent rainwater from seeping from the mounting portion and to prevent rattling of the mounting portion due to vibration of the vehicle. A screw grommet is mounted with a packing material interposed therebetween, a drafter mounting hole is aligned with this screw grommet, and a screw is screwed and fixed in this hole with an appropriate sealing material interposed.

[0003]

However, the provision of the sealing property and the vibration absorbing property in the fastener to such a conventional plate-shaped object requires a lot of work in terms of assembling work, and moreover, a lot of work is required. I needed the assembly parts. From this point, when assembling a plate-like object using a fastener having two mounting legs in a back-to-back state with a collar, a pair of collars are provided in a back-to-back state toward each leg. Therefore, it has been attempted to eliminate the inconvenience in the above-mentioned fastener. However, this type of fastener has a disadvantage that it is necessary to provide a constant space between the tsuba and the tsuba, so that the space between the plate-like objects to be attached cannot be narrowed and the shape of the fastener becomes complicated. There was a drawback.

In view of the inconveniences of such conventional fasteners, the present invention can be applied to the mounting plate-shaped object on either side of a pair of legs which are provided back to back through a single collar. The purpose of the present invention is to provide a fastener that adheres in a watertight and elastic manner.

[0005]

In order to achieve the above-mentioned object, the plate-like fastener according to the present invention has a structure of the fastener A, which is provided with a locking collar 1 provided in the circumferential direction. After that, the pair of legs 2 and 3 are held back to back through each other, and the locking brim 1 which is constructed is bent to the side of one leg 2 from the plate-shaped base portion 1a which is relatively hard and the plate-shaped base portion 1a. , An annular groove 4 that is inverted and bent toward the leg 3 side and has a substantially V-shaped cross section,
The ring-shaped groove 4 is formed with an elastic ring-shaped edge portion 1b provided with a ring-shaped ridge 5 on the back side, and the leg 2 has a first plate-like shape between the ring-shaped groove 5 and the ring-shaped ridge 5. An elastic locking piece 6 for holding the hole edge of the mounting hole of the object B is provided, and the leg 3 holds the hole edge of the mounting hole of the second plate C with the plate base 1a. An elastic locking piece 7 is provided and configured.

[0006]

The legs 2 and 3 are provided on both sides of the locking collar 1 in a back-to-back state, and the locking collar 1 is provided with a relatively hard plate-shaped base portion 1a.
An elastic annular edge portion 1b is provided, and the elastic annular edge portion 1b is provided with an annular groove 4 having a substantially V-shaped cross section and an annular ridge 5 on the back side of the annular groove 4, thereby forming the leg 2 To the first plate-like object B which is held between the elastic locking piece 6 and the elastic locking piece 6.
The annular ridges 5 of No. 5 function so as to come into close contact with each other. Further, the edge 1b 'of the elastic annular edge 1b functions so as to closely contact the second plate-like object C sandwiched between the elastic locking piece 7 of the leg 3 and the plate-like base 1a.

【Example】

A typical embodiment of a plate-like fastener according to the present invention will be described below with reference to the accompanying drawings. The fastener A of this embodiment is preferably a plastic molded product obtained by injection molding or the like because it integrally has an elastic locking piece or the like that provides elastic and water-tight adhesion to a plate-like object. The fastener A has legs 2 and 3 in a back-to-back state via a locking collar 1 provided in the circumferential direction, and an elastic locking piece 6 is attached to the leg 2.
The legs 3 are provided with elastic locking pieces 7, respectively.

Next, the locking brim 1 has a plate-shaped base portion 1a which is relatively hard and does not easily elastically deform, and after bending from this plate-shaped base portion 1a to the leg 2 side, the leg 3 side. It is configured to have an annular groove 4 that is inverted and bent to have a substantially V-shaped cross section, and an elastic annular edge portion 1b whose back side of the annular groove 4 is an annular ridge 5. The edge 1b 'of the elastic annular edge 1b of the locking collar 1 is the plate-shaped base 1a when the annular projection 5 of the locking collar 1 is pressed by the first plate-shaped object B.
It suffices that the first plate-shaped object B presses the annular projection 5 from the surface formed by the plate-shaped base portion 1a, and the edge 1b extends from the surface formed by the plate-shaped base portion 1a. 'May be biased toward the leg 2 side. Further, the edge portion 1b ′ may be configured to protrude from the surface formed by the plate-shaped base portion 1a toward the leg 3 side before the pressing of the annular projection 5 by the first plate-shaped object B.

Next, the leg 2 is formed into a rectangular tubular shape integrally projecting from the locking collar 1, and the tip end thereof is formed as a thin slanted portion 2a with an internal constriction to improve the insertability into the mounting hole of the plate-like object. In addition, the elastic locking pieces 6 are divided by U-shaped slits 8 on opposite side walls. This elastic locking piece 6
Is provided from the tip end side of the leg 2 toward the locking collar 1 side, and is configured such that the tip end side projects gradually outward from the outer side surface of the leg 2, and the tip end of the elastic locking piece 6 and the locking The first plate-like object B is sandwiched between the flange 1 and the annular projection 5.

Further, the leg 3 is formed as a tapered support plate integrally projecting from the locking collar 1, and has elastic locking pieces 7 from both sides of the tip toward the locking collar 1. , 7 are provided such that the interval between the elastic locking pieces 7, 7 gradually widens, and a second portion is provided between the tip end portion of the elastic locking piece 7 and the plate-shaped base portion 1a of the locking collar 1. The plate-like object C is sandwiched.

The above-mentioned legs 2 and 3 used for the fastener A of this embodiment may have the same structure, or may have the structure other than that of the above-mentioned embodiment.

The leg 2 of the fastener A having such a structure is inserted into the mounting hole of the first plate-like object B via the packing 9, and the elastic locking piece 6 of the leg 2 and the locking collar 1 are inserted. The first plate-shaped object B is held between the annular projection 5. This first plate-like object B strongly adheres to the annular projection 5 of the locking collar 1 in the state of being locked by the elastic locking piece 6, and the edge 1b 'on the elastic annular edge 1b is fixed to the plate-shaped base 1a. A plate having a plate thickness that allows the plate 3 to project from the surface to the side of the leg 3 is used. Next, the leg 3 is inserted into the mounting hole of the second plate C, and the edge 1b ′ of the elastic annular edge 1b is in close contact with the surface of the second plate C so that the leg 3 is elastic. The second plate C is held between the locking piece 7 and the plate base 1a.

Contrary to the above mounting example, the leg 3 is moved to the second position.
Of the locking collar 1 so that the edge 1b 'of the locking collar 1 is pushed out toward the leg 2 side, and the edge of the edge 1b' is pressed by the second plate C. 1 annular ridge 5
The first plate-shaped object B may be closely attached to.

[0014]

The fastener according to the present invention has the above-mentioned characteristic structure, in particular, a relatively hard plate-shaped base portion 1a on the locking collar 1 and a plate-shaped base portion 1a extending laterally integrally. An elastic annular edge portion 1b is provided, and the elastic annular edge portion 1b has a V-shaped cross section, and the annular groove 4 and the back surface of the annular groove 4 are the annular ridges 5, the leg 2 and the leg 3, The plate-like object sandwiched between the locking collar 1 and the locking collar 1 is the annular projection 5 on the locking collar 1.
And a ring-shaped edge 1b ′ are elastically and watertightly pressed against each other, and a plate-like object having a high sealing property and a plate-like object having no rattling can be attached by one fastener. It has the advantage that it can be performed. Further, by providing elastically deformed annular projections 5 on both sides of the locking collar 1 between the legs 2 and 3, and an edge 1b ′ of the elastic annular edge portion 1b, one locking member is provided. Since the first and second plate-like objects can be elastically and watertightly held by the collar 1, there is an advantage that the structure of the fastener is particularly simple.

[Brief description of drawings]

FIG. 1 is a perspective view in which a part of a plate-like fastener is cut away.

FIG. 2 is a side view of a fastener for a plate-like object.

FIG. 3 is a front view in which a part of a plate-like fastener is cut away.

FIG. 4 is a plan view of a plate-like fastener.

FIG. 5 is a bottom view of the fastener for the plate-like object.

FIG. 6 is a cross-sectional view of the plate-like object in a mounted state as seen from a side surface.

FIG. 7 is a cross-sectional view of the plate-like object in a mounted state as seen from the front.

[Explanation of symbols]

 1 locking brim 2 leg 3 leg 4 annular groove 5 annular convex strip 6 elastic locking piece 7 elastic locking piece 8 slit 9 packing A fastener B first plate-like object C second plate-like object

Claims (1)

(57) [Scope of utility model registration request] 1. A fastener having a pair of legs in a back-to-back state on both sides of the locking collar, wherein the locking collar includes a relatively hard plate-shaped base and one plate side from the plate-shaped base. After being bent to the other leg side, it is bent to the side of the other leg to form an annular groove having a substantially V-shaped cross section, and the back surface of the annular groove is an elastic annular edge portion which is an annular ridge. An elastic locking piece that holds the hole edge of the mounting hole of the first plate-shaped object is provided between the ring-shaped ridge and the second leg between the plate-shaped base and the other leg. An elastic locking piece that holds the hole edge of the mounting hole of the plate-shaped article is provided.