JPH08299030A - Buckle - Google Patents

Abstract

PURPOSE: To provide a buckle having a female body with a smooth outer surface, pinching no foreign matter, causing no defective operation or the damage of an operation section, and having good operability. CONSTITUTION: This buckle is constituted of a male body 10 fitted to an end of a member and a female body 20 fitted to the other end to be connected to each other. An insertion section 14 to be inserted into the female body 20 is protruded on a base section 12 of the male body 10, a lock section 16 is provided on the insertion section 14, and a locked section to be coupled with the lock section 16 and holding the male body 10 in the female body 20 is formed on the female body 20. An operation section 18 elastically deforming and moving the portion formed with at least one of the lock section 16 and the locked section is formed on at least one of the male body 10 and the female body 20. The whole operation section 18, appearing on the outer surface when the male body 10 and the female body 20 are connected, is elastically covered with a covered section 30.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buckle which is a hooking tool used for connecting belt members used for various uses such as bags.

[0002]

2. Description of the Related Art Conventionally, a buckle provided at both ends of a belt is composed of a male body and a female body into which the male body is inserted and engaged, as disclosed in Japanese Utility Model Laid-Open No. 48-5929. An opening is formed on the side surface of the female body where the male operation part inserted into the female body is located, and the outer surface of the female body is covered with an elastic body except for this opening. There was a buckle.

Further, as disclosed in Japanese Patent Laid-Open No. 6-38810, a buckle composed of a male body and a female body, which is in contact with an operating portion of the male body inserted into the female body, There is a female body integrally provided with a lateral protection member that covers one side surface of the body. The lateral protection member has a C-shaped cross section, and both end edges of the lateral protection member come into contact with the operating portion of the male body, and the lateral protecting member is pushed from the outside to push the operating portion. The engagement with the body is released.

[0004]

In the former case of the above-mentioned prior art, the surface of the female body is simply covered with an elastic body, and an opening is formed in the portion where the operating portion of the male body is exposed. The end of the belt, tape, or other material, and other foreign matter may be caught between the peripheral portion of the opening and the operating portion, which may cause operation failure or damage to the operating portion. was there. Also in the latter case of the above-mentioned conventional technique, only the outer side surface of the female member is only covered with the lateral protection member, and the end portion of the tape or cloth is the back surface side of the female member, as described above. There is a case where it is sandwiched between the operation unit and the same problem. Moreover,
Since the lateral protection member is formed so that the operating portion of the male member can be pressed, the lateral protection member has slits formed between the lateral protection member and the female member to facilitate elastic deformation. However, this slit may also sandwich a member such as tape.

The present invention has been made in view of the above-mentioned prior art, and the outer surface of the female body is smooth, there is no pinching of foreign matter, operation failure or damage to the operation section, and the touch feeling is soft and operation is easy. The purpose is also to provide a buckle having good properties.

[0006]

SUMMARY OF THE INVENTION The present invention comprises a male body attached to one of the members connected to each other, such as a belt or a tape of a bag or other member, and a female body attached to the other member. An insertion portion to be inserted into the female body is provided at a base portion of the female body, a locking portion is provided at the insertion portion, the female member is engaged with the locking portion, and the male body is inserted into the female body. An operating portion is formed in at least one of the male body and the female body, which is formed with a locked portion for holding, and elastically deforms and moves a portion in which at least one of the locking portion and the locked portion is formed. The buckle is provided with a covering portion of an elastic body that elastically covers the entire operation portion appearing on the outer surface in a state where the male body is engaged with the female body.

Further, according to the present invention, the covering portion covers the entire side peripheral surface of the female body, and a concave portion including a step portion is formed in the portion of the female body where the covering portion is provided all around. The recess is formed to a depth equal to or larger than the thickness of the covering portion. The operating portion is located inside the female member with respect to the bottom of the recess of the female member.

[0008]

According to the buckle of the present invention, even when the insertion portion of the male body is inserted into the female body, the operating portion on the male body side or the female body side is covered with the covering portion, and there is no opening or gap on the outer surface of the female body. Moreover, the pressing operation of the operation section can be easily performed through the covering section of the elastic body. Furthermore, the covering portion is attached to the concave portion of the female body, and the covering portion does not protrude from the female body,
The operating portion is also located inside the bottom of the recess, and the operating portion does not project to the outer surface of the female member via the covering portion.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a first embodiment of the present invention. The buckle of this embodiment is attached to one end of a member such as a belt or a tape such as bags not shown. This buckle is attached to the male body 10 integrally formed of resin and the other end of the belt or the like, a mounting piece of another member (not shown) or the like, and the male body 10 is inserted and connected, and is integrally molded. And a female body 20 made of resin. The male body 10 is provided with a pair of insertion portions 14 that project from the base portion 12 and are formed symmetrically to each other.
The front and back surfaces of the tip of the insertion portion 14 are provided with a pair of locking portions 16 each having a locking surface 16a inclined slightly inward from the direction perpendicular to the projecting direction. The pair of insertion portions 14 are formed in a generally curved shape so as to bulge outward, and are provided from the base portion 12 to the distal end portion in a direction orthogonal to a plane including the pair of insertion portions 14, and Long hole 17 elongated in the protruding direction of the insertion portion 14
Is provided. Then, the side edge portions 14a of the insertion portion 14 inside the elongated hole 17 are each formed to be curved inward in an arc shape. Further, on the outer side surface of the insertion portion 14,
The operation portions 18 that are pressed inward from each other are formed, and the edge portion of the operation portion 18 on the base portion 12 side is formed in a stepped shape to form the second locking portion 19. A recessed groove 11 is formed between the operation portion 18 at the tip of the insertion portion 14 and the locking portion 16. Further, the base 12 is formed with a mounting portion 15 through which one end portion of a belt or the like is inserted, and a pair of insertion portions 14
A projecting piece 13 protruding in the same direction as these is formed in the middle of the above, and a groove 13a is formed from the tip end part of this projecting piece 13 toward the base end part.

The female body 20 is formed with an accommodating portion 24 having an insertion port 24a into which the insertion portion 14 of the male body 10 is inserted.
Two pairs of locked portions 26 that engage with the two pairs of locking portions 16 of the male body 10 are provided on the inner surface of the housing portion 24 so as to face each other. The locked portion 26 is the locking surface 16 a of the locking portion 16.
A locked surface 26a is formed in conformity with the above shape, and a pair of through holes (not shown) for forming the locked surface 26a are formed on the surface of the housing portion 24. A pair of operation openings 21 is formed on both side surfaces of the female body 20 so that the operating portions 18 are exposed to the outside in a state where the engaging portion 16 is engaged with the engaged portion 26. An end portion of the operation opening portion 21 on the insertion port 24a side serves as a second locked portion 29 that engages with the second locking portion 19 formed at one end portion of the operation portion 18. Further, the peripheral edge of the opening 21 is formed in such a shape that it gradually narrows toward the center side toward each other toward the front end side of the inserting portion 14 in the inserting direction. Further, a mounting portion 25 through which a belt or the like is inserted is formed at an end portion of the female body 20 opposite to the insertion port 24a. Further, as shown in FIG. 3, a guide piece 23 projecting toward the insertion port 24a and inserted into the groove portion 13a formed in the projecting piece 13 is projectingly provided in the central portion of the accommodating portion 24. ing. This guide piece 23
Makes it easy to insert the male body 10 into the female body 20, and prevents the male body 10 from swinging in the female body 20 after the connection.

On the outer peripheral surface of the female body 20, there is attached a covering portion 30 which covers the opening portion 21 and is wound around the entire circumference excluding the attaching portion 25 and the insertion port 24a. Coating 30
Is a ring-shaped member made of an elastic material such as elastomer or rubber, and is formed to be wider than the width of the opening 21, and surely covers the entire opening 21. The surface of the female member 20 to which the covering portion 30 is attached is formed with a shallow concave concave portion 32 and a concave portion 34 which is a step portion which is lowered by one step. The heights of the recesses 32 and 34 are substantially equal to the thickness of the covering portion 30, and the outer surface of the female member and the covering portion 30 are flush with each other in the covering mounted state. Furthermore, the male member 1
With the 0 mounted on the female member 20, the operating portion 18 is located inside the opening 21 of the female member 20, does not project outward from the bottom 34a of the recess 34 at both ends of the opening 21, and In the embodiment, they are located at substantially the same position in the outward direction.

Next, the operation of the buckle of this embodiment will be described below. First, in order to mount the male body 10 on the female body 20, as shown in the drawing, the insertion port 24a of the housing portion 24 is inserted.
Then, the insertion portion 14 is inserted. At this time, first, the operation unit 18
The outer side surface of the second contacted portion 29 comes into contact with the inner front end portion thereof,
The insertion part 14 is gradually curved inward. Then, by further pushing in the male body 10, the distal end portion of the insertion portion 14 comes into contact with the locked portion 26 in the accommodation portion 24, and the locked portion 26 is inserted into the groove 11 of the insertion portion 14. The insertion portions 14 are elastically deformed inward with respect to each other as they are positioned. And
When pushed further, the inner side surface of the locked portion 26 is locked by the locking portion 16
The elastic deformation of the insertion portion 14 is restored, the locking surface 16a and the locked surface 26a face each other, and the connection between the male body 10 and the female body 20 is completed. Further, at this time, the second locking portion 19 and the second locked portion 29 face each other and are securely locked to each other.

When the connection is released, the covering portion 30
By pressing the operating portion 18 from both sides via the, the engagement between the locking portion 16 and the locked portion 26, and the second locking portion 19
The second engaged portion 29 is disengaged, and the insertion piece 10 can be pulled out. The covering portion 30 is formed of an elastic body and does not hinder the pressing operation of the operation portion 18.

According to the buckle of this embodiment, the female member 2
The side peripheral surface of 0 is entirely covered with the covering portion 30, there is nothing that projects to the outside, the operation portion 18 is also covered with the covering portion 30, the opening 21 is not caught by tape or clothes, and foreign matter, etc. It is also possible to prevent the intrusion of the, the reliability of the operation is enhanced, and the damage to the operation section is eliminated. Particularly, since the covering portion 30 does not protrude from the female member 20, the covering portion 30
It does not turn over and cracks occur at the peripheral edge. Further, the operating portion 18 is mounted at substantially the same outward position as the bottom portion 34a of the stepped concave portion 34, and is not strongly pressed inward by the covering portion 30.

In addition, the insertion portion 14 of the male body 10 has a long hole 17
Therefore, the inner side edge portion 14a of the insertion portion 14 is curved so as to bulge outward, so that a force in the compression direction acts on the side edge portion 14a by an inner force, The side edge portion 14a easily bends to absorb the force, facilitate insertion and disengagement operation of the insertion portion 14, and have a shape that is not easily damaged by external force. Further, when a force in the direction of separating the male body 10 and the female body 20 is applied, due to the inclination of the engagement surface between the locking surface 16a and the locked surface 26a, the tip portion of the insertion portion 14 is The component forces in the engagement directions that face each other act on each other. Furthermore, the side edge portion 14a of the curved insertion portion 14 is about to be straightened,
The locking portion 16 is pushed outward in the engagement direction. As a result, the locking portion 16 and the locked portion 26 can be brought into an engaged state with a very strong coupling force. In particular, since the locking portion 16 and the locked portion 26 are at the tip of the insertion portion 14, the resistance at the time of insertion engagement and the force required for the engagement releasing operation may be small. Further, since the male body 14 is inserted so as to be gradually curved, a force required for the insertion operation may be small, and it is easier to insert.

Next, a second embodiment of the present invention will be described with reference to FIG.
A description will be given based on FIG. Here, the same members as those in the above-described embodiment are designated by the same reference numerals and the description thereof will be omitted. In the buckle of this embodiment, a pair of insertion portions 44 are formed in a flat plate shape so as to project from the base portion 12, and a locking portion 46 is provided at the tip thereof.
Are respectively formed. Further, a tongue-shaped pressing portion 47 is provided between the insertion portions 44 so as to project from the base portion 12 in the same direction as the insertion direction. In addition, the female body 20 has the locking portion 4
A tongue-shaped locked portion 56 that engages with 6 is formed on the back surface side from the insertion port 24a toward the mounting portion 25. Further, in the female member 20, with the male member 10 inserted, an abutting portion 57 that abuts a surface of the male member 10 on the opposite side of the pressing portion 47 has a tongue-like shape formed on the rear surface of the tip portion. Operation part 5
8 are provided. The operation portion 58 is formed to extend from the insertion port 24a side of the female member 20 toward the attachment portion 25. The locked portion 56 and the operation portion 58 are formed so as to be capable of swinging in the space portion of the housing portion 24 of the female member 20.

The female member 20 includes a mounting portion 25 and an insertion port 24a.
Except for the entire circumference, a ring-shaped elastic material such as rubber covers 3
The operating portion 58 on the front surface side and the engaged portion 56 on the rear surface side are entirely covered with the covering portion 30. Coating 30
Fits in the recess 32 formed in the female member 20, and there is no protruding portion on the surface. Further, the locked portion 56, the operation portion 58
Has a surface that is substantially flush with the bottom 32a of the recess 32, is not constantly pressed by the covering portion 30, and the operating portion 58 or the like does not protrude to the outside.

In the buckle operating method of this embodiment as well, when the operating portion 58 is pressed through the covering portion 30, the pressing portion 47 of the male member 10 is brought into contact with the contact portion 57 of the operating portion 58, as in the above-described embodiment. It is pushed by and oscillates to push down the locked portion 56 in the engagement releasing direction. As a result, the engagement between the locking portion 46 and the locked portion 56 is released, and the connection between the male body 10 and the female body 20 is separated.

In the buckle of this embodiment as well, the operating portion 58 on the female body 20 side is covered by the covering portion 30, there is no opening for holding the tape or the like, and the foreign matter enters or the tape is caught, and the operating portion 58 or the like by them. There is no damage, etc.
Furthermore, the surface of the female body 20 does not have a portion protruding to the outside, and the operability is good and the appearance is good.

Further, in the buckle of the present invention, as shown in FIG. 6, the covering portion 30 is not the entire circumference of the side peripheral surface of the female body 20, but
The concave portion 3 is left on the front surface or the back surface side of the female body 20 except for the central portion.
2 pairs of engaging protrusions 60 that form two and project from the bottom of the recess 32 are formed at the ends of the recess 32, and the engagement ports 62 formed at both ends of the covering portion 30 on the engaging protrusions. May be fitted and fixed. Alternatively, as shown in FIG. 6, engaging protrusions 60 are formed on the front and back of the buckle,
The two covering portions 30 are respectively provided with the engaging holes 62 so that the female member 20
It may be attached so as to cover each of the openings.
Further, as the fixing means, an adhesive or the like may be used, and the number and shape of the engaging protrusions 60 are not limited.

The buckle of the present invention is not limited to the above embodiment, and the cover 30 may be formed in a shape having some allowance in the portion where the operating portion of the female body 20 is located. With the cover attached to the female body,
The operation portion has a shape that bulges outward, and the operation portion and the covering portion do not come into pressure contact with each other, and the operability and the appearance can be improved. Further, the shape of the insertion portion, the locking portion, and the locked portion of the present invention can be set as appropriate, and the covering portion is not only elastically fitted with a ring member such as rubber, but also a female body. It may be integrally molded. Further, the operating portion may be formed on at least one of the male body and the female body, but may be formed on each of the operating portion or a pressing portion interlocking with the operating portion.

[0022]

EFFECTS OF THE INVENTION The buckle according to the present invention has the opening of the side peripheral surface of the female member covered with the covering portion, there is no gap exposed to the outside, and the tape or clothing is not caught or caught. In addition, it is possible to prevent the entry of foreign matter and the like. Further, the reliability of the operating portion is enhanced, there is no damage due to intrusion of foreign matter, and the operability can be improved. In addition, the operation portion does not protrude from the buckle surface, and the whole is seen as a whole, which is good in appearance, and the operation portion is difficult to see, so that an antitheft effect can be expected. In particular, since the covering portion does not protrude from the female member, the covering portion itself is not easily damaged and the covering portion does not turn over. further,
The operating part does not protrude from the bottom of the concave part of the female body,
The engagement state can be reliably maintained without being strongly pressed inward by the covering portion.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of a buckle according to the present invention.

FIG. 2 is a partially cutaway plan view showing a state in which a male body and a female body of the buckle of this embodiment are connected.

3 is a cross-sectional view taken along the line AA of the buckle of FIG. 2 in a state where a female body and a male body are connected to each other.

FIG. 4 is a plan view of a female body and a male body of a second embodiment of the buckle of the present invention.

5 is a cross-sectional view of the buckle of FIG. 4 taken along the line BB in which a male body and a female body are connected to each other.

FIG. 6 is a plan view showing another embodiment of the covering portion of the buckle of the present invention.

[Explanation of symbols]

 10 Male body 12 Base portion 14 Insertion portion 16,46 Locking portion 18,58 Operating portion 20 Female body 26,56 Locked portion 30 Covering portion 32,34 Recessed portion

Claims (3)

[Claims] 1. A male body (10) attached to one of the members connected to each other and a female body (2) attached to the other.
0) and a base portion (12) of the male body (10) is provided with an insertion portion (14) to be inserted into the female body (20), and the insertion portion (14) has a locking portion. (16) is provided,
The female member (20) is provided with a locked portion (26) which is engaged with the locking portion (16) and holds the male body (10) in the female body (20). The operating portion (18) for elastically deforming and moving the portion where at least one of the (16) and the locked portion (26) is formed is the male body (1).
0) and at least one of the female body (20), and with the male body (10) engaged with the female body (20), the entire operation portion (18) appearing on the outer surface is elastically elastic. A buckle provided with an elastic covering portion (30). 2. The covering portion (30) includes the female body (2).
0) covering the entire circumference of the side peripheral surface and recesses (32, 34) in the portion of the female body (20) where the covering portion (30) is provided.
The buckle according to claim 1, wherein the recess (32, 34) is formed to a depth equal to or larger than the thickness of the covering portion (30). 3. The operating portion (18) is provided with the female member (2).
0) lower than the bottom part (34a) of the concave part (34) of the female member (2).
The buckle according to claim 1 or 2, which is located inside 0).