JP2521367Y2 - Male fastener - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is a male fastener in which a locking piece for locking a hole edge of a fitted female fastener is released by pushing a push button.
The present invention relates to the provision of a male fastener that is most suitable as a means for closing a lid of a bag, a bag, various containers and the like, a connecting means such as a buckle of a band, and particularly a means for fastening a cover of a school bag.

[Conventional Technology] Fasteners having various structures have been used for the means for closing the lid, the connecting means such as the buckle for the band, etc. in bags, bags or various containers.

In particular, a fastener as shown in FIG. 7 has been generally used to close the cover of the school bag. The fastener shown in Fig. 7 is a fastener commonly called "Hinelli".
The operating knob y of the female fastener that is inserted into the rectangular locking hole x of the male fastener is twistable. After inserting the operating knob y into the locking hole x of the female fastener, On the edge of this locking hole x,
The operating knob y was twisted so that the female fastener was held and fixed between the base side of the male fastener and the operating knob y.

[Problems to be solved by the invention] Since such a conventional fastener has a simple structure, there are relatively few failures, and once twisted and closed, the cover portion is securely locked to the main body of the school bag. It had the characteristic that the fuzz portion was not unexpectedly released due to vibration or the like.

However, with such a fastener, the operating knob y of the male fastener is
Is positioned in the mooring hole x of the female fastener, the operating knob y is fitted into the locking hole x of the female fastener, and it is necessary to twist the operating knob y while maintaining the fitted state. It was unsuitable as a locking means for fasteners.

Also, when releasing the locked fastener, the operating knob y of the fastener is pinched with a finger and twisted back to a position where it is pulled out from the locking hole x of the female fastener, and in this state It was necessary to separate the male fastener in the direction orthogonal to the male fastener, which made it difficult to release the fastener with one touch.

In view of the inconveniences of the conventional fasteners, the present invention mounts the female fasteners on the male fasteners only by pushing the female fasteners into the male fasteners, and detaches the female fasteners from the male fastener pushbuttons. It is an object of the present invention to provide a male fastener which has a structure in which the male and female fasteners can be smoothly attached and detached with one touch by only pushing in.

[Means for Solving the Problem] In order to achieve the above object, the fastener according to the present invention comprises a male fastener H, which includes a push button 1, a locking piece 2, and a buffer plate 3. That is, first, the push button 1 is always urged in the uprightly provided male cylinder 4 toward the barrel mouth side of the male barrel 4, and the inside of the male barrel 4 is Assemble so that it can reciprocate in the direction of the center line of the cylinder. Next, the locking piece 2 which is always provided with its free end side protruding from the outer peripheral surface of the male cylinder 4 is assembled so as to be reciprocally movable in the radial direction of the male cylinder 4 and is attached to the push button 1. It is connected and assembled. Further, the buffer plate 3 has an annular structure that is assembled in the male cylinder 4 in a fitted state, is reciprocable in the direction of the center line of the male cylinder 4, and is further It is attached to the base side of the male cylinder 4 so as to be constantly urged toward the side of the locking piece 2 protruding from the free end side.

In the male fastener H having such a configuration, the free end side of the locking piece 2 projecting from the outer peripheral surface of the male cylinder 4 and the buffer plate 3 sandwich the hole edge of the female fastener M. Further, the locking piece 2 is moved inwardly of the male cylinder 4 when the push button 1 is pushed.

[Operation] The male fastener H according to the present invention has the above-described configuration,
By fitting the female fastener M into the male fastener M and pushing down the female fastener M toward the base side of the male tube 4 of the male fastener H, the locking piece 2 is pushed toward the inside of the male tube 4, and Since the locking piece 2 is always urged outward at a position past the hole edge of the female fastener M, the locking piece 2 projects from the outer periphery of the male cylinder 4 at its free end side, One side of the hole edge of the female fastener M is locked.

Further, when the hole edge of the female fastener M passes through the locking piece 2, the female fastener pushes the buffer plate 3 into the base side of the male cylinder 4,
The elastic force exerted by the buffer plate 3 that has been pushed in is applied to the female fastener M.
The female fastener M is received by the other side of the hole edge of the female fastener M and is engaged with the locking piece 2.

By pushing the push button 1 into the male tube 4 in this state, the locking piece 2 connected to the push button 1 is moved inward of the male tube 4 and locked to the female fastener M. Then, the female fastener M is lifted up toward the barrel mouth side of the male barrel 4 by the urging of the buffer plate 3, and is released from the locking piece 2.

[Embodiment] An embodiment of a typical male fastener H according to the present invention will be described below with reference to the accompanying drawings.

The male stopper H shown in this embodiment is provided on a fixture G, which is generally called a Dharma seat, which is used to lock the lower side of the shoulder belt of a school bag, and is erected in the middle of a pair of Dharma seats. It is provided in such a state that the female fastener M provided on the free end side of the cover of the school bag is locked.

First, the attachment G has rotatable buckles C for attaching the lower end of the shoulder belt t to the bottom of the school bag on both sides, and also has a groove e shaped to accommodate the female fastener M.
Is formed by the rising walls d, d, and the male fastener H stands up in the groove e between the rising walls d, d. The rising walls d, d are locking walls d'where the substantially central portions of the opposing walls are expanded in an arc shape, and the locking walls d ',
The circumferential side of the annular plate of the female fastener M is housed between d'and the movement of the groove e in the front-rear direction is blocked.

Further, the female fastener M which is locked to the male fastener H comprises a metal fitting attached to the lower piece f of the cover of the school bag, and the circular holes m, m in a state where the ring plate is continuous in a spectacle frame shape. Are connected to each other.

The male fastener H standing upright on the fixture G is
First, the push button 1 is provided in the barrel of the male cylinder 4 provided upright on the fixture G, and is always urged toward the barrel mouth side of the male barrel 4, and the inside of the male barrel 4 is aligned with the center line of the barrel. Assemble so that it can reciprocate in any direction. Further, the locking piece 2 provided so that the free end side always projects from the outer peripheral surface of the male cylinder 4 is reciprocally movable in the radial direction of the male cylinder 4, and is connected to the push button 1 described above. Assemble. Further, in a fitted state to the male cylinder 4, the annular buffer plate 3 provided on the base side of the male cylinder 4 can reciprocate in the direction of the center line of the male cylinder 4, and the male cylinder 4 can be reciprocated. It is assembled so that it is always urged toward the side of the locking piece 2 protruding from the free end side of the cylinder 4.

Then, between the free end side of the locking piece 2 protruding from the outer peripheral surface of the male cylinder 4 and the buffer plate 3 is used as the holding portion 5 of the female fastener M, and by pushing the push button 1, The locking piece 2 connected to the push button 1 is configured to move inward of the male cylinder 4.

A more specific structure of the male fastener H will be described in more detail. First, the mounting member G is composed of a front plate G'and a back plate G "that are assembled in a vertically stacked manner, and the male cylinder 4 is erected on the front plate G '.

The male cylinder 4 provided upright on the front plate G'is in the shape of a cylinder whose upper and lower sides are open, and an annular groove 6 is provided on the side of the base 4'to surround the base 4 '. It serves as a space in which the buffer plate 3 fits. Then, on the base side of the male cylinder 4, the hole 7 through which the locking claw 2 is projected and retracted, and the buffer plate 3 are formed.
And a hole 8 for mounting the.

Next, the buffer plate 3 fitted into the male cylinder 4 is assembled in such a manner that it is housed in the annular groove 6, and the elastic locking claw 9 protruding inward is provided in the hole of the male cylinder 4. A spring 10 interposed between the buffer plate 3 and the annular groove 6 constantly biases the male cylinder 4 toward the opening side of the male cylinder 4, It is movable in the cylinder core direction, that is, in the direction of the center line of the cylinder.

Next, the back plate G ″ is a body part that fits in the male cylinder 4 described above.
11 has a deep annular groove 12 on the bottom surface side of the body 11, and a recessed hole 13 in a portion surrounded by the annular groove 12. Inner depths of the annular groove 12 and the recessed hole 13 The body 11 is closed, and a through hole 14 communicating with the hole 7 of the male cylinder 4 is provided at the free end side of the body 11 in the horizontal direction of the body 11. Further, both sides on the free end side of the body portion 11 are stepped portions 15 so as to sandwich the through hole 14, and a wall 15a on the side of the through hole 14 of the stepped portion 15 communicates with the through hole 14. A pair of horizontal slits 16, 16 are provided, and a T-shaped slit 17 is provided along the wall 15a on the base side of the wall 15a and the horizontal wall 15b of the stepped portion 15. The slit 17 and the annular groove 12 communicate with each other.

A spring 18 is fitted in the annular groove 12 on the lower surface side of the body portion 11.
The lid 19 attached on the annular groove 12 on the lower surface of the lid 19 does not come out, and the hole 21 into which the elastic locking claw 20 of the lid 19 is engaged communicates with the annular groove 12 on the base side of the body 11. Is provided.

It should be noted that the use of the lid 19 can be omitted by providing a protrusion or the like on the inlet side of the annular groove 12 for preventing the spring 18 fitted in the annular groove 12 from coming out.

Next, the push button 1 assembled to the body portion 11 has leg plates 23, 23 that straddle between the convex portions 22 between the stepped portions 15, 15 of the body portion 11.
And a guide plate 23a is provided outside the leg plate 23. The leg plate 23 is guided to the slit 17a along the wall 15a of the T-shaped slit 17 and to the slit 17b extending toward the horizontal wall 15b. The plates 23a are attached so as to be inserted, and the free insertion ends of the leg plates 23 are elastically held by the springs 18 fitted in the annular groove 12. And
The leg plate 23 of the push button 1 is provided with slits 24, 24 that are inclined on both sides of the guide plate 23a, and communicate with the slit 16. In addition, this slit
24 is a guide plate on the push button 1 side from the outside of the free end side of the leg plate 23.
It is configured to incline toward the 23a side.

Further, the locking piece 2 is provided with the hole 7 of the male cylinder 4 and the through hole 14 of the body portion 11.
It is composed of a pair of square pieces inserted back to back from the respective opening sides, and a slit 24 formed in the leg plate 23 of the push button 1 is provided in a pin hole 26 provided inside the locking piece 2 to be inserted.
And the pin 2 inserted into the slit 16 on the wall 15a of the body 11.
The push button 1 is connected by inserting the 5 through it.

In the male fastener H thus configured, the push button 1 accommodated in the male cylinder 4 is constantly urged toward the opening side (upper side in the drawing) of the male cylinder 4 by the spring 18 accommodated in the annular groove 12. The locking piece 24, which is connected to the slit 24 of the leg plate 23 of the push button 1 by the pin 25, is different from the free end side of the locking piece 24 by the horizontal slit 16 in the wall 15a of the body portion 11. Is urged in the direction of protruding from the through hole 14.

The buffer plate 3 provided on the base 4'side of the male cylinder 4 is opened by the spring 10 (the upper side in the drawing) of the male cylinder 4.
Since it is urged toward the female retainer M, it is interposed between the locking piece 24 protruding from the outer peripheral surface of the male cylinder 4 and the buffer plate 3.
A holding portion 5 is constructed in which the plate surface of the hole edge m'is elastically supported.

The locking piece 2 provided on the male cylinder 4 is provided on the opening side (the upper side in the drawing) of the male cylinder 4 with respect to the annular buffer plate 3 which is assembled in a fitting manner on the base side of the male cylinder 4. It is preferable that the distance between the buffer plate 3 pushed into the base side and the plate portion of the hole edge m ′ of the female fastener M is elastically settled. Further, in order that the fitting of the female fastener M and the pushing of the locking piece 3 by the female fastener M fitted therein can be performed smoothly, the male cylinder 4 is provided on the free end side of the locking piece 2. It is preferable to provide an inclined surface 2a that gradually projects outward toward the base side.

The above examples relate to a male fastener for a bag of a school bag, a male fastener for closing a lid or a buckle of a band for various bags and bags other than this. It can be used as a tool.

[Effect of the Invention] The male fastener H according to the present invention has the above-mentioned characteristic structure. First, the male tube 4 is fitted into the circular hole m of the female fastener M.
By simply pressing the female fastener M toward the male fastener H, the locking piece 2 is pushed back inward of the male cylinder 4 and the hole edge m ′ of the circular hole m of the female fastener M passes. Then, it projects from the outer peripheral surface of the male cylinder 4 again and locks one surface of the hole edge m'of the female fastener M, and at the same time, the other side of the hole edge m'by the buffer plate 3 pushed by the female fastener M. The surface of is held.

As a result, the engagement of the female fastener M with the male fastener H is completed by one-touch operation, and the female fastener M can be locked elastically with respect to the male fastener.

When the push button 1 is pushed into the male cylinder 4 in such a state, the locking piece 2 is pulled back toward the inside of the male cylinder 4, and the female fastener M held by the buffer plate 3 is crushed. The locking is released in the raised state, and the locked female fastener can be reliably released from the locked male fastener H by one-touch operation.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mounting and use state of a male fastener according to the present invention, FIG. 2 is an exploded perspective view of essential parts, and FIGS. 6 is a sectional view showing the conventional example, and FIG. 6 is a sectional view showing the same in different sectional directions. H: Male fastener, M: Female fastener, G: Attachment. 1 ... Push button, 2 ... Locking piece, 3 ... Buffer plate, 4 ... Male cylinder, 5 ... Holding part, 6 ... Circular groove, 7, 8 ... Hole, 9
…… Locking claws, 10 …… Springs, 11 …… Body parts, 12 …… Circular grooves, 13 …… Concave holes 14 …… Through holes, 15 …… Stepped parts, 16, 17…
… Slit, 18 …… Spring, 19 …… Lid, 20 …… Locking claw, 21 …… Hole, 22 …… Convex part, 23 …… Leg plate, 24 …… Slit, 25 …… Pin, 26 …… Pin Hole.

Claims (1)

(57) [Scope of utility model registration request] 1. A push button which is always urged in a standing male cylinder toward the barrel mouth side of the male cylinder and is reciprocally mounted in the direction of the center line of the male cylinder, and the push button. A free end side of the male cylinder which is always protruded from the outer peripheral surface of the male cylinder, and a locking piece assembled to the male cylinder so as to be reciprocally movable in the radial direction of the male cylinder; And a ring-shaped cushioning plate that is reciprocally movable in the direction of the center line of the cylinder and is always biased toward the locking piece and is assembled to the base side of the male cylinder in a fitted manner. Between the free end side of the locking piece protruding from the outer peripheral surface of the cylinder and the buffer plate is a sandwiching portion of the hole edge of the female fastener, and the locking piece is pushed by pushing the push button. Is moved toward the inner side of the male cylinder.