JPH10246213A - Fastener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the projected dimension of an insertion part from an insertion hole in a fastener by which the insertion part of a male member is inserted and fastened in the insertion hole of a female member. SOLUTION: This fastener is equipped with a female member 10 in which forms an insertion hole 11 is formed in one member P1 and a male member 20 having an insertion part 21 which is attached to the other member P2 and inserted in the insertion hole 11. The insertion part 21 of the male member 20 has a rotary arm 22 which is assembled to rotate and end side, and the rotary arm 22 has a hooking part 22a which is hooked on a hooking surface 11a continued to the hole edge of the insertion hole 11 by rotating the rotary arm 22 on the end side projected from the insertion hole 11 of the female member 10. Also, in this fastener, a holding means 23 is arranged, which prevents rotation in a direction to disengage the hooking of the rotary arm 22 whose hooking part 22a is hooked on the hooking surface 11a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a female member having an insertion hole to be attached to one member to be mutually fastened, and an insertion hole to be attached to the other member to be mutually attached. And a male member having an insertion portion to be inserted into and fastened to the fastener.

[0002]

2. Description of the Related Art A female member 100 having an insertion hole 101 attached to one member P1 fixed to each other and penetrating from one surface side of the one member P1 to the other surface side is provided. The insertion portion 20 attached to the other member P2 fastened to the female member 100 and inserted into the insertion hole 101 of the female member 100 and fastened together.
2 as a fastener consisting of a male member 200 having
4 and FIG. 25 were used.

In such a conventional fastener, the male member 2
The insertion portion 201 of 00 is configured to have a flat shape in the cross-sectional shape, and the insertion hole 101 of the female member 100 is correspondingly configured to have a flat hole shape. Also, the insertion portion 20 of the male member 200
1 is attached to the base so as to be rotatable around a rotation shaft provided along the direction in which the insertion portion 201 protrudes, and the insertion hole 101 of the female member 100. When this insertion portion 201 is inserted into the insertion hole 101, the front end portion 202 is inserted into the insertion hole 101.
Is configured to protrude above the edge of the hole.

Therefore, in such a conventional fastener, after the insertion portion 201 of the male member 200 is inserted into the insertion hole 101 of the female member 100, the insertion hole 10
1. Picking the tip 202 protruding from 1 and usually 90
The lower surface 203 of the tip portion 202 that is twisted in this way and protruded to the side of the hole edge extending in the length direction of the insertion hole 101 is inserted into the insertion hole 101.
Hooking on the surface 102 of the female member 100 following the hole edge of the female member 100, so that the inserted insertion portion 201 does not come out of the insertion hole 101 of the female member 100, whereby the two members P1 and P2 can be removed. It could be fastened. (FIG. 25)

[0005]

However, in such a conventional fastener, it is necessary to twist the distal end portion 202 of the insertion portion 201 in order to perform the fastening. In order to perform such a twisting operation without difficulty, it is necessary to ensure a sufficient dimension of the insertion portion 201 protruding from the hole edge of the insertion hole 101.

For this reason, in such a conventional fastener, the tip 202 of the insertion portion 201 protruding from the insertion hole 101 interferes with the use of the article in which the fastener is used, or such a fastener is used. There is an inconvenience that the appearance of the article near the place where is used is hindered, and improvement thereof has been desired.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned disadvantages of the prior art, and in particular, in a fastener which inserts a male member insertion portion into a female member insertion hole to perform fastening, the female member insertion hole is provided. An object of the present invention is to make the protrusion of the insertion portion of the male member as small as possible.

[0008]

In order to achieve the above object, according to the present invention, a fastener is attached to one member P1 which is fastened to each other, and one side of the one member P1 is attached. A female member 10 forming an insertion hole 11 that communicates with the other surface side, and an insertion portion 21 attached to the other member P2 fastened to each other and inserted into the insertion hole 11 of the female member 10. Male member 20 and the insertion portion 21 of the male member 20 has a rotating arm 22 assembled on the base side of the insertion portion 21 to rotate the distal end side, The pivot arm 22 is pivoted to the distal end side of the female member 10 protruding from the insertion hole 11 so that the insertion hole 11
A hook portion 22a hooked to the hooking surface 11a following the hole edge of the hole, and prevents the rotation of the rotating arm 22 that hooks the hooking portion 22a on the hooking surface 11a in a direction to release the hooking. The holding means 23 is provided.

According to such a configuration, after the insertion portion 21 of the male member 20 is inserted into the insertion hole 11 of the female member 10, the rotation arm 22 is hooked by the hook portion 22 a of the rotation arm 22. By pivoting to a position where the female member 10 is engaged with the surface 11 a, the insertion portion 21 of the male member 20 can be prevented from coming out of the insertion hole 11 of the female member 10. Member P1 and the other member P2 provided with the male member 20 can be fastened with one touch.

The turning operation of the turning arm 22 is performed by touching the end of the turning arm 22 on the side where the hook 22a is provided, and the end is moved to the hook 22a and the hook surface 11a. Can be made by pushing in the direction in which the male member 20 is engaged with the female member 10, so that the inserting portion 21 of the male member 20 does not have to protrude largely outward from the insertion hole 11 of the female member 10. Does not cause trouble. As a result, the protrusion of the insertion portion 21 of the male member 20 inserted into the insertion hole 11 of the female member 10 from the insertion hole 11 can be reduced to a necessary minimum, and the insertion portion 21 Two mutually fastened members P1, P2 used
It is possible to prevent problems such as obstructing the use of the article having the above and making the appearance of the article difficult to adjust as much as possible.

Further, when the hook portion 22a of the turning arm 22 of the male member 20 is hooked on the hooking surface 11a of the female member 10, the turning arm 22 is prevented from turning in a direction to release the hook. Since the holding means 23 has the holding member 23, the holding state of the one member P1 and the other member P2 can be stably maintained through the holding of the hooked state.

Further, by releasing the holding state by the holding means 23, the turning arm 22 is turned in a direction in which the hook portion 22a is disengaged from the hooking surface 11a, so that the insertion portion 21 of the male member 20 is inserted. Can be pulled out from the insertion hole 11 of the female member 10, and by making such a pull-out, the fastening of the one member P1 and the other member P2 can be released.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One of the typical embodiments of the present invention will be described below with reference to FIGS.

FIG. 1 shows a male member 20 and a female member 10 which constitute the fastener in two members P so that the use state of the fastener according to this embodiment can be easily understood.
1 and P2, respectively, and in a state where the male member 20 and the female member 10 are not fastened to each other. FIG. 2 shows such a male member 20 and a female member 10.
And a state in which the two members P1 and P2 are fastened.

FIG. 3 shows a state immediately before the insertion portion 21 of the male member 20 is inserted into the insertion hole 11 of the female member 10 by turning the rotating arm 22 constituting the insertion portion 21 of the male member 20. The male member 20 (the turning arm 22 is not shown in cross section. Hereinafter, the same applies to FIGS. 4, 5, and 6) and the female member 10 are set in a vertical cross section in a direction substantially perpendicular to the moving shaft. And two members P1,
P2 is indicated by a virtual line. FIG. 4 is similar to FIG.
A state similar to the above is shown as a state of a vertical section in a direction along the rotation axis of the rotation arm 22.

FIG. 5 shows the insertion hole 1 of the female member 10.
1 shows a state in which the insertion portion 21 of the male member 20 is inserted.
FIG. 6 shows a state of a vertical section, and FIG. 6 shows a state in which, following the state of FIG. 5, the rotation arm 22 is rotated so that the hook 22 a of the rotation arm 22 is brought into contact with the hook surface 11 a of the female member 10. The engaged state is shown as a state of a longitudinal section.

FIGS. 7 to 9 show the attachment plate portion 24 and the support portion 25 of the insertion portion 21 constituting the male member 20.
FIG. 7 shows this member from the distal end side of the support portion 25, and FIG. 8 shows a part of this member as viewed from the lower side of FIG. FIG. 9 shows this member in a longitudinal sectional state.

FIGS. 10 to 12 show the male member 20.
10 are shown, and FIG.
FIG. 11 shows a state where the seat plate 28 is viewed from above.
FIG. 12 shows a state in which the seat plate portion 28 has a longitudinal section along the length direction, and FIG. 12 shows a state in which the seat plate portion 28 has a longitudinal cross section along the width direction.

FIGS. 13 to 15 show the male member 20.
1 are shown, and FIG.
3 shows a state in which the rotating arm 22 is viewed from the wide side, FIG. 14 shows a state as viewed from the left side in FIG. 13, and FIG. 15 shows a state as viewed from the lower side in FIG. .

FIGS. 16 to 18 show the female member 10.
16 are shown, and FIG.
FIG. 1 shows a state where the plate 13 is viewed from above.
7 shows a state in which a part of the plate 13 is broken when viewed from the lower side in FIG. 16, and FIG. 18 shows a state in which the plate 13 has a cross section along the width direction. I have.

FIGS. 19 to 21 show the female member 10.
19 are respectively shown in FIG.
FIG. 20 shows a state in which the flat tube portion 12 is viewed from above, FIG. 20 shows a state in which the flat tube portion 12 has a longitudinal section along the length direction, and FIG. Along the vertical section.

FIG. 22 shows a shaft pin 30 for assembling the rotation arm 22 to the support portion 25 constituting the insertion portion 21 so as to be rotatable as viewed from the direction along the axial direction. Shows the shaft pin 30 as viewed from the end.

The fastener according to this embodiment has a configuration suitable for use in fastening two plate-like members P1 and P2, such as a lid and a main body in various bags and the like.

That is, the female member 10 is housed in the mounting hole H1 from one side of the mounting hole H1 provided in the member P1 which is fastened to each other, and the member surface on one side of the mounting hole H1. (Hereinafter referred to as a back surface P1b.) A flat cylindrical portion 12 provided with an outer flange 12a in contact with the outer flange 12a, a communication hole 13a to the mounting hole H1, and a member surface (hereinafter referred to as front surface P1a) on the other side of the mounting hole H1 And a plate-like body 13 attached to the outer flange 12a of the flat tubular portion 12 with a screw B or the like so as to be provided in an attached state. Then, the inside of the flat cylindrical portion 12 communicated with each other, the mounting hole H1, and the communication hole 13a of the plate-like body 13,
The insertion hole 11 of the insertion portion 21 of the male member 20 is formed.

The male member 20 is inserted so as to protrude from one side of the mounting hole H2 provided in the other member P2 fixed to each other so as to protrude from the other side of the mounting hole H2. And an insertion portion 21 provided with an attachment plate portion 24 in contact with a member surface (hereinafter referred to as a back surface P2b) on one side of the insertion portion 21.
a, and attached to a member surface (hereinafter referred to as a surface P2a) on the other side of the mounting hole H2,
A seat plate 28 is attached to the attachment plate 24 of the insertion portion 21 with screws B or the like. The insertion portion 21 of the male member 20 is inserted into the insertion hole 11 of the female member 10, and has a length such that the distal end portion protrudes outward from the insertion hole 11.

The insertion portion 21 of the male member 20 has a pair of side plates 26, 26 projecting from one side of the mounting plate portion 24 so as to make the opposite surfaces substantially parallel to each other. A support portion 25 having a continuous plate 27 for closing between the pair of side portions, extending between one side portions of the attachment plate portions 26 in the direction in which the support plate portion 24 protrudes. A pair of side plates 26, 26 having a width dimension that fits between the pair of side plates 26, 26, and a base side of the pair of side plates 26, 26, a plate-shaped rotating arm 22 rotatably assembled to the support 25. Have.

That is, the base side of the pair of side plates 26, 26 has a shaft hole 26a communicating with the inside and outside of the side plates.
Are provided so that one and the other of the pair of side plates 26 are positioned on the same axis, and the pivot arm 22 has a shaft hole 22 communicated with the shaft hole 26a.
a is provided in the width direction. Then, the shaft pin 30 is inserted into each of the shaft holes 26a and 22a, and the rotation arm 22 is rotatably mounted on the base side of the support portion 25.

The support portion 25 of the rotating arm 22
At the end opposite to the rotation assembly side, one side surface in a direction orthogonal to the rotation direction of the rotation arm 22 is brought into contact with the plate surface of the connecting plate 27 constituting the support portion 25. In this state, the lower surfaces of the end surfaces 26b of the pair of side plates 26, 26 constituting the supporting portion 25 and the end surface 27a of the connecting plate 27 are brought into contact with each other, and the end surface 27a of the connecting plate 27 is An operation head 29 having a substantially rectangular plate shape with a side opposite to the contacting side protruding sideways is provided integrally. The width of the operation head 29 is determined by the pair of side plates 2.
6, 26, and the length of the operation head 29 is substantially equal to the dimension between the outer surfaces of the pair of side plates 26, 26.

The lower surface of the operation head 29 and the distal end surface 26a of the side plate 26 of the support portion 25 and the distal end surface 27a of the connecting plate 27 which are in contact with the lower surface are formed in concentric circles about the axis of the shaft pin 30. Curved surface W "located on an arc
The rotation operation of the rotation arm 22 can be performed without hindrance.

On the other hand, the insertion hole 11 of the female member 10
Is a communication hole 13a between the flat cylindrical portion 12 and the plate-shaped body 13.
Accordingly, the length of the hole on the length side is set to a size extending between the outer surfaces of the pair of side plates 26 and 26 constituting the insertion portion 21 of the male member 20, and the hole size on the width side is inserted into the male member 20. The dimension extends between the outer surface of the continuous plate 27 constituting the portion 21 and the side end surface of the side plate on the side not connected by the continuous plate 27. Further, when the insertion portion 21 is inserted into the insertion hole 11 until the upper surface of the seat plate portion 28 contacts the lower surface of the outer flange 12a of the flat cylindrical portion 12, the attachment plate portion 24 in the insertion hole 11 is formed. The lower surface of the operation head 29 of the rotating arm 22 is positioned at substantially the same height as the hole edge of the communication hole 13a on the upper surface side of the arm.

In this embodiment, of the upper surface following the hole edge of the communication hole 13a in the plate 13 of the female member 10, the operation associated with the rotation of the rotation arm 22 is performed. The surface in the rotating direction of the head 29 is a hooking surface 11a, and the side of the operation head 29 that does not contact the distal end surface of the connecting plate 27 is a hooking portion 22a that is hooked on the hooking surface 11a.

The surface of the rotation arm 22 on the side of the support portion 25 that does not face the connecting plate 27 faces from the mounting side of the rotation arm 22 with the shaft pin 30 to the operation head 29 side. The rotation arm 22 has a surface 22b that is inclined so as to reduce the thickness dimension of the rotation arm 22, and a position before rotation (hereinafter, referred to as a position where one surface of the rotation arm 22 is brought into contact with the continuous plate 27 and is in contact therewith. A gap is formed between the inclined surface 22b and the insertion hole 11 at a position M before the engaging operation (referred to as a position M before the engaging operation), and the inclined surface 22b of the rotating arm 22 is brought into contact with the surface of the insertion hole 11 ( The rotation arm 22 can be rotated up to the engagement position S below.

Therefore, in this embodiment,
At the position M before the engaging operation of the rotating arm 22, the insertion portion 21 of the male member 20 can be inserted into the insertion hole 11 of the female member 10, and thereafter, the rotating arm 22 is rotated to the engaging position S. By operating, the hook portion 22a can be hooked on the hook surface 11a and can be hooked.

The hooking surface 11a is also a curved surface W 'located on a concentric arc centered on the axis of the shaft pin 30, and the operating head is turned by the turning operation of the turning arm 22. The rotation arm 22 can be rotated so that the lower surface of the hook portion 22a in 29 is brought into contact with the hook surface 11a without any trouble.

The rotation arm 22 having the hooking portion 22a hooked on the hooking surface 11a is not rotated in the direction to release the hooking, that is, in the position M before the hooking operation. At the engaging position S, there is provided a holding means 23 for preventing the turning of the turning arm 22.

In this embodiment, the holding means 23 is located at a position slightly below the operation head 29 in the rotating arm 22 and has a side surface along the rotating direction of the rotating arm 22. A circular projection 23a provided on the
It is configured as a protrusion 23b provided on the side plate 26 of the support portion 25. The two protruding portions 23a and 23b are elastically deformed as they come into contact with each other by the turning operation of the turning arm 22, so that they can cross each other. Then, the hook portion 2 is attached to the hook surface 11a.
Engagement position S of the rotation arm 22 which engages 2a
, The circular projection 23a of the rotating arm 22 is
6, the supporting portion 25 is in contact with the side facing the connecting plate 27 of the supporting portion 25, and the two protruding portions 23a are positioned in a direction for releasing the engagement, that is, at a position M before the engaging operation. , 23b are elastically deformed, and even if the rotating arm 22 is pushed with a force that does not allow the rotating arm 22 to get over each other, the engaging operation of the rotating arm 22 due to the contact between the circular projection 23a and the projection 23b of the side plate. It does not rotate toward the front position M.

At the position M before the engaging operation of the rotating arm 22, the circular projection 23a of the rotating arm 22 is hooked on the operating head 29 with respect to the projection 23b of the side plate 26. It is configured to be in contact with the side facing the distal end side of the rotation arm 22a, so that even at the position M before the engaging operation, the rotation arm 22 can be held so as not to rotate unexpectedly.

In this embodiment, the turning operation of the turning arm 22 can be performed by pressing a finger or the like against the upper surface of the operating head 29 of the turning arm 22. An uneven portion 29a is formed on the upper surface of the operation head 29 so that the pressing operation can be easily performed. The opening of the insertion hole 11 on the upper surface side of the plate-shaped body 13 is located in a recess 13b provided at the upper part of the plate-shaped body 13 and protrudes from the opening of the insertion hole 11. The operation head 29 to be operated is
From the recess 1
Unless a finger or the like is inserted into 3b, it is difficult to touch the upper surface of the operation head 29, and it is difficult for the operation head 29 to be operated unexpectedly.

The support arm 25 is attached to the end of the pivot arm 22 on the assembly side by the shaft pin 30.
Insertion part 21 between the pair of side plates 26, 26
The contact surface 22c facing the surface of the rotary arm 22 is formed.
Is abutted against the surface of the insertion portion 21 so that the rotating arm 22 earlier than that is not rotated.

The support portion 25 of the insertion portion 21 of the male member 20 and the operation head 29 of the rotating arm 22 are colored in different colors, so that the insertion of the female member 10 at the engagement position S is performed. The state in which the distal end surface 27a of the continuous plate 27 in the support portion 25 from the opening on the upper surface side of the plate-shaped body 13 in the hole 11 is not covered by the operation head 29 can be easily visually recognized, and the engagement position S
It is easy to confirm whether or not the turning arm 22 is turned.

[0041]

According to the fastener according to the present invention, the insertion portion 21 of the male member 20 is inserted into the insertion hole 11 of the female member 10.
After that, the rotating arm 22 is connected to the rotating arm 2.
2 is the hooking surface 11a of the female member 10
Is rotated to the position where it is engaged with the male member 2.
0 can be prevented from coming out of the insertion hole 11 of the female member 10, whereby the one member P 1 provided with the female member 10 and the other member P 2 provided with the male member 20 Can be fastened with one touch.

The turning operation of the turning arm 22 is performed by touching the end of the turning arm 22 on the side where the hook portion 22a is provided, and this end portion is brought into contact with the hook portion 22a and the hooking surface 11a. Can be made by pushing in the direction in which the male member 20 is engaged with the female member 10, so that the inserting portion 21 of the male member 20 does not have to protrude largely outward from the insertion hole 11 of the female member 10. Does not cause trouble. As a result, the protrusion of the insertion portion 21 of the male member 20 inserted into the insertion hole 11 of the female member 10 from the insertion hole 11 can be reduced to a necessary minimum, and the insertion portion 21 Two mutually fastened members P1, P2 used
It is possible to prevent problems such as obstructing the use of the article having the above and making the appearance of the article difficult to adjust as much as possible.

Further, at the rotation position where the hook 22a of the turning arm 22 of the male member 20 is hooked on the hooking surface 11a of the female member 10, the turning of the turning arm 22 in the direction of releasing the hook is prevented. Since the holding means 23 has the holding member 23, the holding state of the one member P1 and the other member P2 can be stably maintained through the holding of the hooked state.

Further, by releasing the holding state by the holding means 23, the turning arm 22 is turned in a direction in which the hooking portion 22a is disengaged from the hooking surface 11a, whereby the insertion portion 21 of the male member 20 is inserted. Can be pulled out from the insertion hole 11 of the female member 10, and by making such a pull-out, the fastening of the one member P1 and the other member P2 can be released.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a fastener (position M before engaging operation).

FIG. 2 is a perspective view showing a use state of a fastener (engagement position S).

FIG. 3 is a cross-sectional view showing the use state of the fastener (position M before the engaging operation).

FIG. 4 is a cross-sectional view showing the use state of the fastener (position M before the engaging operation).

FIG. 5 is a cross-sectional view showing the use state of the fastener (position M before the engaging operation).

FIG. 6 is a sectional view showing a use state of the fastener (engagement position S).

FIG. 7 is a plan view showing an attachment plate portion 24 and a support portion 25 which constitute the insertion portion 21 of the male member 20.

FIG. 8 is a partially cutaway side view showing an attachment plate portion 24 and a support portion 25 which constitute the insertion portion 21 of the male member 20.

FIG. 9 is a longitudinal sectional view of an attachment plate portion 24 and a support portion 25 that constitute the insertion portion 21 of the male member 20.

FIG. 10 is a plan view showing a seat plate portion 28 of the male member 20.

11 is a longitudinal sectional view of a seat plate portion 28 of the male member 20. FIG.

FIG. 12 is a longitudinal sectional view of a seat plate portion 28 of the male member 20.

FIG. 13 is a front view of the rotating arm 22;

FIG. 14 is a side view of the rotating arm 22;

FIG. 15 is a bottom view of the rotating arm 22;

FIG. 16 is a plan view of a plate-shaped body 13 of the female member 10;

FIG. 17 is a partially cutaway side view of the plate-like body 13 of the female member 10.

FIG. 18 is a longitudinal sectional view of the plate-shaped body 13 of the female member 10.

FIG. 19 is a plan view of the flat cylindrical portion 12 of the female member 10;

20 is a longitudinal sectional view of the flat cylindrical portion 12 of the female member 10. FIG.

FIG. 21 is a longitudinal sectional view of the flat cylindrical portion 12 of the female member 10.

FIG. 22 is a side view of the shaft pin 30.

23 is a side view of the shaft pin 30. FIG.

FIG. 24 is a perspective view showing a conventional example.

FIG. 25 is a perspective view showing a conventional example.

[Explanation of symbols]

 P1 One member P2 The other member 10 Female member 11 Insertion hole 11a Hook surface 20 Male member 21 Insertion portion 22 Rotating arm 22a Hook portion 23 Holding means

Claims (1)

[Claims] 1. A female member attached to one member fixed to each other and forming an insertion hole communicating from one surface side to the other surface side of the one member, and the other member fixed to one another And a male member having an insertion portion inserted into the insertion hole of the female member, and the insertion portion of the male member rotates the distal end side of the insertion portion. It has a turning arm assembled on the base side, and the turning arm is turned to the distal end side protruding from the insertion hole of the female member, by turning this turning arm to the insertion hole. A hook portion that is hooked on a hooking surface following the hole edge, and prevents rotation of the rotating arm that hooks the hooking portion on the hooking surface in a direction in which the hook is released. Fasteners, characterized in that has a holding means.