JP2006002884A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector with a clip portion having a divided leg pieces and a pin body for expanding the leg pieces, allowing reliable connection of both members in one unit and easy pull-off of the pin body from the clip portion to cancel the connection. <P>SOLUTION: A clip piece capable of being clipped by fingers are foldably provided on the upper face of the pin body via a hinge portion. When the pin body is pulled off to remove the anchored clip portion therefrom, the folded clip piece is raised up to be erected on the upper face of the pin body and the pin body is pulled up with the clip piece being clipped. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a plastic connector used for connecting members together.

  As shown in FIG. 7, as a connector for integrally connecting adjacently arranged members, a clip having a vertically split leg piece 72 c protruding from the bottom of a bowl-shaped head 72 b having an opening 72 a. The coupling body 71 having the portions 72 and 72 and the pin bodies 73 and 73 having a size that can be inserted into the opening 72a of the clip portion 72. The coupling body 1 is bridged over the members 74 and 74 to be connected to both members. The clip parts 72, 72 are inserted into the mounting holes 74a, 74a formed in the upper part, the pin bodies 73, 73 are pushed into the openings 72a, 72a of both clip parts, and the leg pieces 72c, 72c of both clip parts are opened with the pin bodies. The thing of the structure which connects the members 74 and 74 by expanding the diameter and fitting the clip parts 72 and 72 to the attachment holes 73 and 73 and fastening is known. The illustrated connecting tool is formed so that the plate-like connecting portion 71a is integrally formed with the head portion 72b of one clip portion 72, and the head portion 72b of the other clip portion 72 is overlapped with the connecting portion 71a. The other clip portion 72 is fitted into a long hole 71b formed in the connecting portion 71a so that the clip portions are integrated with each other (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 5-47287

When the conventional connector is used for connecting the pool floors installed at the bottom of the pool to adjust the water depth of the pool, the combined body 71 and the pin body 73 are substantially flush with the floor surface of the pool floor. It is possible to connect the floors without making irregularities on the floor surface.
However, when removing the connection tool to release the connection between the floors, the pin body 73 is fitted in the coupling body 71 so that it is difficult to remove the pin body 73, and a driver or the like is used to pull out the pin body 73. This tool was also required, and it took time and effort to remove it. When the tip of the driver is strongly pushed between the joint surfaces of the pin body 73 and the coupling body 71, the top of the pin body 73 may be cracked or deformed, making it impossible to reuse.

  In view of such a problem of the prior art, the present invention provides a connector that includes a clip portion having divided leg pieces and a pin body that is pushed into the clip portion to widen the leg pieces. It is an object to make it possible to easily remove the pin body from the clip portion when releasing the connection.

  In order to solve the above problems, the present invention provides a combined body in which clip portions formed by projecting leg pieces vertically split at the lower portion of a bowl-shaped head having an opening are integrated via a connecting portion; It consists of a pin body that is inserted into the opening of the clip part, and the leg piece is expanded by pushing the pin body into the clip part inserted into the mounting hole formed in the member, and the clip part is fastened to the member. The connecting tool to be attached is characterized in that a pinch piece that can be raised and lowered is provided on the upper surface of the pin body.

  According to this, the clip portion can be fastened by inserting the clip portion into the mounting hole of the member, inserting the pin body into the opening of the clip portion, and pushing the upper surface of the pin body. When pulling out the pin body to remove the clip part that has been fastened, use a tool if you raise the pin body by pulling up the pin body by pulling up the pin body while raising the pin body by raising the pin body that has fallen The pin body can be extracted from the clip portion with an easy operation.

  In the above configuration, the end of the knob piece is provided with an engaging portion with the pin body upper surface portion, and the state that the knob piece is overlapped with the pin body upper surface and falls down is maintained except when the pin body is pulled out. It is preferable to provide in. The bonded body and the pin body are preferably molded thinly using a general-purpose resin material, and the pin body is more preferably made of PP having excellent bending resistance.

A preferred embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an external view of a connector according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of a combined body, and FIG. 3 is an external view of a pin body in a state in which a knob piece is raised, a cross-sectional view, 4 is an enlarged cross-sectional view of the top of the pin body, FIG. 4 is an external view of the connector of another embodiment, FIG. 5 is a cross-sectional view of the connector of FIG. 4 fastened to a member, and FIG. FIG. 2 is a diagram showing an operation process when connecting members with each other and extracting a pin body, in which 1 is a connecting tool, 2 is a coupling body, 3 is a pin body, and 4 is a member to be connected. Show.

  1 to 4, the connector 1 includes a coupling body 2 in which clip portions 21 and 21 are integrated by a coupling portion 22, and pin bodies 3 and 3 that are attached to and detached from openings formed in the clip portions 21 and 21. It is configured.

  Specifically, as shown in FIG. 2, the coupling body 2 connects the clip-shaped portions 21, 21 with semi-circular head portions 21 a, 21 a having a substantially semicircular shape, with connecting portions 22 having appropriate widths. And formed integrally. Both clip portions 21 have an opening 21b at the center of the head 21a, and are integrally provided with leg pieces 21c projecting annularly along the opening at the bottom of the head 21a and vertically divided into four by slits. Formed. Each leg piece 21c has a lower part thicker than the upper part and has an inner surface bulged inward to reduce the opening diameter. As the pin body 3 is inserted into the opening 21b, the pin body The lower part of each leg piece 21c abuts on the circumferential surface 3 and the legs are opened laterally to increase the outer diameter of the leg piece 21c. Moreover, the concave surface 21d for causing the knob 33 mentioned later is formed in the upper surface edge part of the head 21a.

  The pin body 3 has a substantially semicircular shape in plan view with a top portion 31 sized to overlap the head portion 21a of the clip portion 21, and an opening of the clip portion 21 is formed at the lower center of the top portion. A shaft 32 having a thickness to be inserted almost fully into 21b is formed so as to protrude integrally. The shaft portion 32 is formed with a thread groove 32a that engages the inner surface of the leg piece 21c on the lower outer peripheral surface thereof, and the lower end portion is tapered.

Further, as shown in FIG. 3, a knob 33 that can stand and fall is provided on the top surface of the top portion 31 of the pin body 3.
More specifically, the top portion 31 of the pin body 3 is divided into two vertically from the side end portion on the curved side to the center of the upper surface, and the end portion of the upper half portion 31a by the hinge portion 34 provided in the center of the upper surface. Is connected to the lower half portion 31b, and the upper half portion 31a can be raised and lowered on the lower half portion 31b with the hinge portion 34 as a fulcrum. A projecting piece 33a is provided along the lower surface of the part to provide a picking piece 33 that can be picked with a finger. The hinge portion 34 is configured such that the thickness of the connecting portion of the upper half portion 31a and the lower half portion 31b can be bent and deformed in a streak shape, and is substantially the center of the top portion 31 and the center of the shaft portion 32. It is arranged on the line that passes through. Further, the inside of the projecting piece 33a provided on the edge of the knob 33 and the outside of the curved edge of the lower half 31b are respectively reversely tapered surfaces, and as shown in FIG. When the 33 is laid down, the taper surfaces on the inside of the projecting piece 33a and the outside of the lower half 31b are engaged with each other, and the fallen knob 33 is fixed in a state of overlapping the lower half 31b. . Further, if the projecting piece 33 a is pushed from the lower side in this state, the engagement between the tapered surfaces is released, and the knob piece 33 can be raised on the top portion 31.

  The connector 1 shown in FIGS. 4 and 5 is different in the shape of the coupling body 2 from the above-described form, and as shown in the figure, the coupling body 2 of this form has one clip portion 21 on the head. A connecting part 22 having a substantially semicircular shape in plan view is formed to project from the side end of the part 21a, and the other clip part 21 is separated from the head part and has a substantially semicircular shape in plan view having an opening 21b. A split leg piece 21c is formed integrally with the portion 21a, and the other clip portion 21 is fitted into an elliptical opening 22a formed in the surface of the connecting portion 22, whereby both clip portions Are provided so as to be integrally connected. The pin bodies 3 and 3 which are attached to and detached from the openings 21b and 21b of the both clip portions 21 are the same as those in the above-described form.

Next, a method of using the connector 1 of the present invention will be described with reference to FIG.
For fastening to the member 4, first, the joined body 2 is bridged over the members 4 and 4 to be connected, and the clip portions 21 and 21 are inserted into the mounting holes 41 and 41 formed in the members 4 and 4 (see FIG. A)).
Next, when the pin bodies 3 and 3 are pushed into the openings 21b and 21b of the clip portions 21 and 21 (FIG. 5B), the leg pieces 21c divided by the clip portion 21 at the shaft portion 32 of the pin body 3 are opened. As a result, the outer diameter is increased and the leg piece 21c is engaged with the screw groove 32a on the circumferential surface of the shaft portion 32 (FIG. 3C). The members 4 are fastened so as to sandwich the member 4 up and down, whereby the members 4 and 4 are integrally connected (see FIG. 5).
The fastening operation is performed in a state in which the knob 33 of the pin body 3 is laid down. Even after the clamping, the protruding piece 33a of the knob 33 is engaged with the outer surface of the top portion 31, and the knob 33 is It is fixed in a state where it falls on top of the top and overlaps.
When removing the connector 1 in order to release the connection between the members 4 and 4, the tabs 33 and 33 that have fallen and overlapped with the top portions 31 and 31 of the pin bodies 3 and 3 are disengaged from the protrusion 33 a. If it raises upward (the figure (D)), picks up the protrusion 33a with a finger and pulls it up as it is, the pin body 3 can be extracted from the clip part 21 (the figure (E)), and both pin bodies 3 Then, the members 4 and 4 can be separated by removing the combined body 2 from the members 4 and 4.

  As described above, according to the connector 1 of the present invention, the knob 33 is provided on the upper surface of the pin body 3, and this knob 33 is picked up with a finger and pulled up without using a tool. The pin body 3 can be pulled out from the clip portion 21. Since the knob 33 is provided so as to be freely tilted, it does not interfere with the operation of pushing the pin body 3 into the clip portion 21, and the knob 33 can be moved after the coupling body 2 is fastened to the member 4. By tilting, unnecessary irregularities are not formed on the upper surface of the member 4.

  It should be noted that the hinge portion for connecting the knob piece in a tiltable manner can be formed in an appropriate shape, and the engaging portion for fixing the fallen knob piece to the top of the pin body is also provided on the outer side of the projected piece and the top portion. In addition to the form in which the tapered surfaces are engaged with each other, it is possible to adopt an appropriate form such as a form in which concave and convex are fitted to each other. In the illustrated form, a pair of clip portions are connected on a straight line to form a combined body, but it is constituted by two or more clip portions, and it is constituted by connecting the clip portions with bent connection portions. This is appropriately performed according to the number of members to be connected and the form of the connecting portion.

It is an external view of the coupling tool of one Embodiment of this invention. It is sectional drawing of the coupling body shown in FIG. It is the external view (A), sectional drawing (B) of the pin body in the state which caused the knob, and the enlarged sectional view (C) of the head in the state where the knob is tilted. It is an external view of the coupling tool of other embodiment. It is sectional drawing of the state which fastened the connection tool of FIG. 4 to the member. (A)-(E) are the figures which showed the process of operation when connecting a member with the connector of this invention, and extracting a pin body. It is the external view (A) which fractured | ruptured and showed the structure of the conventional connector, and sectional drawing (B) of the state fastened to the member.

Explanation of symbols

1 connector, 2 coupling body, 21 clip part, 3 pin body, 33 knob

Claims (1)

A combined body in which clip portions formed by projecting vertically split leg pieces on the lower portion of a bowl-shaped head having an opening are integrated via a connecting portion, and a pin inserted into the opening of the clip portion In the connecting tool comprising the body, the leg piece is widened by pushing the pin body into the clip portion inserted into the mounting hole formed in the member, and the clip portion is fastened to the member.
A coupling tool comprising a pinch that can be raised and lowered on an upper surface of the pin body.

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