JP2009056302A - Buckle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate the engagement between a male member and a female member and improve the tensile strength in the axial direction of a buckle. <P>SOLUTION: This buckle 3 includes at least the male member 2 and the female member 1. The female member 1 has an opening 11 in the front side, the opening 11 has an engagement space 111 on its inside and both sides of the engagement space 111 have guide spaces 113. The male member 2 can be fitted in the opening 11 of the female member 1, the front part of the male member has an engagement part 21 being lockable inside the engagement space 111 of the female member 1, both sides of the engagement part 21 have guide projections 215 slidingly insertable into the guide spaces 113. An engagement claw projecting downward is provided in the engagement space 111 and locks and holds the cantilevered engagement part 21 of the male member 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention provides a front-opening buckle, in particular, a buckle that is used with a light locking force, and an engaging portion of a male member is elastically engaged in an engaging space of a female member. At the same time, the guide protrusions on both sides of the engaging portion slide into the guide spaces on both sides of the engaging space to achieve the purpose of securely locking and fixing.

  At present, the length of the belt is adjusted and used for detachable binding, etc., and the belt can be detachably connected with a buckle (fastener) for moderate tension and expansion / contraction. Those that make adjustments are most often used. For example, rucksacks, clothes, hats, shoes, suitcases, travel bags, etc. all have a buckle on the belt.

  Please refer to FIG. 7 and FIG. 8 at the same time. As can be clearly understood from the drawing, such a conventional buckle A is mainly provided with elastic arm portions A11 on both sides of the male member A1, and a rod-like body A12 between the elastic arm portions A11 on both sides. Is provided. The female member A2 is provided with an opening A21, and a guide rail A211 is provided inside the opening A21.

  Therefore, the elastic arm A11 and the rod A12 of the male member A1 are inserted from the opening A21 of the female member A2, and the rod A12 of the male member A1 is aligned with the guide rail A211 in the opening A21 of the female member A2. Then, after the engaging claw A13 at the end of the elastic arm portion A11 is engaged with the side openings A22 on both sides of the female member A2, the cut formed on the folded surface between the engaging claw A13 and the elastic arm portion A11. The notch A14 is fixed to the side wall surface A221 of the side opening A22.

However, although the conventional buckle A can obtain the effect of engagement, it has the following drawbacks and deficiencies.
(1) In the conventional design structure of the buckle A, the male member A1 and the male member A1 must be pressed by the user's finger unless the locking claw A13 of the male member A1 is pressed inward through the side openings A22 on both sides of the female member A2. Since the engagement state with the female member A2 cannot be released, the conventional buckle A cannot be used for relatively small articles (for example, hat buckles, pet leads, underwear, ID cards, etc.). If the overall standard of the male member A1 and the female member A2 is reduced, it is difficult for the user's finger to push the locking claw A13 of the male member A1, and the operation is inconvenient or the space is too small to be pressed down. A malfunction will occur.

  (2) The design structure of the conventional buckle A is relatively complicated, and the assembly tolerance between the male member A1 and the female member A2 is strict, so that the overall production becomes more difficult and the product yield is poor. turn into.

  (3) After the male member A1 of the conventional buckle A is pushed into the female member A2, the elastic arm portion A11 and the rod A12 of the male member A1 are aligned with the guide rail A211 in the opening A21 of the female member A2. It is easy to be lost, and as a result, a misalignment state occurs, which causes a situation in which handling when the user engages again becomes inconvenient.

Therefore, how to solve the problems of inconvenience and inconvenience when assembling, engaging and releasing with the conventional buckle is a direction to be studied and improved by those skilled in the art.
Therefore, in view of the above problems and disadvantages, the inventor gathered related materials, conducted multifaceted evaluation and thought, and with many years of experience accumulated by those skilled in the art, continuously made prototypes and modifications, such a structure. Thus, the invention of a front-opening buckle has been made which is simple, can be positioned quickly, and can prevent slack in the axial direction.

The buckle of the present invention is a buckle comprising at least a male member and a female member,
An opening is provided in front of the female member, an engagement space is provided in the opening, and guide spaces are provided on both sides of the engagement space,
The male member can be fitted into the opening of the female member, and an engagement portion that can be locked in an engagement space of the female member is provided in front of the male member, and the guide is provided on both sides of the engagement portion. Guide protrusions capable of sliding into the space are provided, respectively.

In the buckle configured as described above, a locking claw protruding downward is provided in the engagement space of the female member,
It is desirable that a locking claw that engages with the locking claw of the female member protrudes upward from the engaging portion of the male member.

  In the buckle configured as described above, it is desirable that a belt attaching portion for inserting a belt in advance is provided on the rear side opposite to the opening of the female member.

  Moreover, in the buckle having the above-described configuration, a pressing surface that can release the engagement of the engaging portion by being pressed is provided on the engaging portion of the male member, and on the pressing surface, It is desirable that a non-slip protrusion is provided.

Further, in the buckle configured as described above, the engaging portion of the male member is an elastic engaging portion in a one-side supported state toward the front side,
A contact portion and an isolation groove are provided on both sides of the engaging portion,
It is desirable that stopper planes are provided on both sides of the engagement space of the female member so as to abut against the abutment portions on both sides of the engagement portion and restrict elastic deformation of the engagement portion.

  In the buckle configured as described above, it is desirable that a belt attaching portion for inserting a belt in advance is provided on the rear side opposite to the engaging portion of the male member.

  That is, according to the buckle configured as described above, the engagement space is provided in the front opening of the female member, the guide spaces are provided on both sides of the engagement space, and the female member is provided in the opening. By engaging and holding the male member corresponding to the one-side supported engagement portion of the male member, and providing the engagement portion with a preferable elastic deformation effect by the isolation grooves on both sides of the engagement portion, The joint portion can be smoothly engaged with the engagement space. Further, the abutment portions on both sides of the engagement portion are abutted on the stopper planes on both sides of the engagement space, thereby restricting the elastic deformation of the engagement portion of the male member that is pressed when releasing the engagement. Damage due to excessive pressing can be prevented. Furthermore, the guide protrusions provided on both sides of the engaging part of the male member slide into the both side guide spaces of the female member, respectively, are aligned and engaged, and at the same time create the action of the restricting guide. By being engaged and coupled, it is possible to achieve an effect that the male member and the female member are engaged with each other well, and to increase the tensile strength in the axial direction and the vertical direction of the buckle.

  As described above, the buckle according to the present invention can smoothly engage the engaging portion corresponding to the engagement space, and can easily engage the male member and the female member with each other, and the axial direction and the vertical direction of the buckle. The tensile strength at can be increased.

  In order to achieve the above objects and effects, the technical means employed in the present invention and the structure thereof will be described here, and the features and functions of the preferred embodiments of the present invention will be described in detail as follows. It is intended for complete understanding.

Please refer to FIG. 1, FIG. 2, and FIG. 3, which are three-dimensional external views, three-dimensional exploded views, and side sectional views before assembly of the present invention.
As can be clearly understood from the figure, the front opening type buckle 3 of the present invention includes a female member 1 and a male member 2.
Among these, an opening 11 is provided in front of the female member 1, an engagement space 111 is provided in the opening 11, and a locking claw 112 is provided in the engagement space 111 so as to project downward. Yes. Guide spaces 113 are respectively provided on both sides of the engagement space 111, and a stopper plane 114 is continuous between the engagement space 111 and the guide space 113, and the opening 11 in the female member 1. A belt attaching portion 12 is provided on the rear side opposite to the front side.

  The male member 2 is provided with an engaging portion 21 in a one-side support state in front of the male member 2, and the surface of the engaging portion 21 is provided with a substantially depressed pressing surface 211, and the pressing surface 211 has a plurality of slip stoppers. A protrusion 2111 is provided. A locking claw 212 that protrudes upward is provided in front of the engaging portion 21, and contact portions 213 are provided on both sides of the engaging portion 21. Further, an isolation groove 214 is provided, and guide protrusions 215 are provided on both sides of the isolation groove 214 so as to project from both sides. A penetrating belt attaching portion 22 is provided on the rear side of the male member 2 opposite to the engaging portion 21.

  When the above members are used in combination, the male member 2 is engaged by the engaging portion 21 using the opening 11 of the female member 1. The locking claw 212 of the engaging portion 21 is pushed by the locking claw 112 of the engagement space 111 to cause elastic deformation of the locking claw 212 and is locked and held in the vertical direction. The locking claw 212 is firmly locked to the locking claw 112, and the contact portions 213 arranged on both sides of the locking claw 212 are in contact with the stopper planes 114 on both sides of the locking claw 112. Thus, the elastic deformation of the engaging portion 21 of the male member 2 that is pressed when releasing the engagement between the locking claw 212 and the locking claw 112 is restricted, and damage due to excessive pressing is prevented.

  In addition, the guide protrusions 215 provided on both sides of the engaging portion 21 of the male member 2 slide into the guide spaces 113 provided on both sides of the opening 11 of the female member 1, respectively. The locking claw 212 and the locking claw 112 of the engagement space 111 are accurately aligned, and the front opening type buckle 3 is skillfully combined. Further, in the vertical direction and the axial direction of the front opening type buckle 3 It is possible to increase the anti-tensile strength.

  The female member 1 and the male member 2 of the buckle 3 described above are in a corresponding engagement relationship, that is, the engagement position between the engagement portion 21 and the guide projection 215 and the engagement space 111 and the guide space 113 is easily corrected. Even if it is not necessary to have precise tolerances, the product yield in the manufacturing process can also be relatively improved.

  Moreover, the surface area of the pressing surface 211 of the male member 2 is wide and easy to press, and can also be applied to relatively small articles (eg, hat buckles, pet leads, underwear, ID cards), all of which are male By pressing the pressing surface 211 of the member 2, the engaged state with the female member 1 can be released, the pressing space is large, it is easy to use, and the applicability of the product is excellent. Moreover, in the male member 2, the separation grooves 214 provided on both sides of the engaging portion 21 can appropriately separate the locking claw 212 and the guide protrusion 215 so that the engaging portion 21 has a preferable elastic function. Therefore, when the pressing surface 211 is pressed down, the latching claw 212 is favorably elastically deformed and does not reach a curve, a shape change, or a fracture.

Further, please refer to FIG. 3, FIG. 4, FIG. 5 and FIG. 6, which are side sectional views before assembly, side sectional views after assembly, three-dimensional sectional views before assembly, and three-dimensional sectional views after assembly of the present invention.
As can be clearly understood from the figure, the buckle 3 of the present invention has the belt 4 inserted and fixed by the belt attaching portions 12 and 22 on both sides of the female member 1 and the male member 2, respectively. Then, the engaging portion 21 of the male member 2 is engaged in the engaging space 111 of the female member 1, and the locking claw 212 and the locking claw 112 are locked and fixed. When the engaging portion 21 and the engaging space 111 are correspondingly held, the engaging claw 212 of the engaging portion 21 is elastically deformed downward and moved toward the engaging space 111. Then, it comes into contact with the locking claw 112. Then, the locking claw 212 moves into and enters the locking claw 112, and the locking claw 212 is elastically lifted upward by elastic repositioning and is engaged in the locking claw 112, and thus firmly engaged and held. Fixed.

  When the locking claw 212 and the locking claw 112 are engaged with each other, the guide protrusions 215 on both sides of the locking claw 212 slide into the guide spaces 113 on both sides of the locking claw 112 at the same time. Since the joint portion 21 and the engagement space 111 are accurately aligned, there is no distortion or displacement, and the male member 2 is prevented from falling off in the axial direction, and the tensile strength in the axial direction and the vertical direction is increased. Can be increased.

  When the engagement state between the female member 1 and the male member 2 of the buckle 3 is to be released, the pressing surface 211 on the engagement portion 21 of the male member 2 is touched, and the engagement portion 21 in the one-side support state is elasticated downward. In addition to the deformation, the engaging claw 212 of the engaging portion 21 is bent downward to release the engaging claw 112 of the engaging space 111 from being engaged. That is, the male member 2 is pushed rearward away from the female member 1, and the engaging portion 21 of the male member 2 is withdrawn from the engaging space 111 of the female member 1, and the guide protrusions on both sides of the engaging portion 21. By retracting 215 from the guide spaces 113 on both sides of the engagement space 111, the male member 2 can smoothly exit from the opening 11 of the female member 1.

  The above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. The buckle 3 within the scope of the present invention engages and holds the engaging portions 21 of the male member 2 with each other using the engaging space 111 in the opening 11 of the female member 1, and the guide protrusions 215 on both sides of the engaging portion 21. Each of the engaging spaces 111 is slid into the guide spaces 113 on both sides of the engaging space 111, and the locking grooves 212 are elastically deformed by the isolation grooves 214 on both sides of the engaging portion 21. can do. Further, the guide projection 215, the guide space 113, the contact portion 213, and the stopper plane 114 are regulated to slide so that there is no distortion or misalignment in the alignment between the engagement portion 21 and the engagement space 111. Any structure and device that can achieve the above-described effects can be achieved by the present invention, and all such simple additions and equivalent structural modifications are within the patent scope of the present invention. It should also be stated clearly that it should be included in.

The above-described front-opening buckle according to the present invention can have the following advantages in actual use.
(1) The buckle 3 is provided with a pressing surface 211 for releasing the engaged state on the surface of the engaging portion 21 of the male member 2, and when the force is applied to the pressing surface 211, the engaging portion 21. Can be elastically deformed downward to release the engagement between the engagement portion 21 and the engagement space 111. The pressing surface 211 of the male member 2 has a large surface area, is easy to be pressed, and can be applied to relatively small articles (for example, hat buckles, pet leads, underwear, ID cards). By pressing the pressing surface 211, the engaged state can be released, the pressing space is large, it is easy to use, and the applicability of the product is excellent.

  (2) The outer shape of the female member 1 and male member 2 of the buckle 3 is simple, can be manufactured conveniently and quickly, and it is not necessary to make tolerance tolerances precise when combined, so the yield of the finished product at the completion of manufacturing While reducing manufacturing costs and adapting to economic effects.

  (3) The engaging portion 21 of the male member 2 is aligned with the engaging space 111 of the opening 11 of the female member 1, and the guide protrusions 215 on both sides of the engaging portion 21 are guide spaces on both sides of the engaging space 111. By making it slide into 113, the restricting action can be achieved and the engaging portion 21 and the engaging space 111 can be accurately aligned, so there is no distortion or misalignment, and the engagement of the buckle 3 becomes firm. The engagement will be certain.

  Therefore, the present invention mainly relates to an engagement in which the male member and the female member of the buckle can be aligned with each other, aligns the engaging portion of the male member and the engaging space of the female member, and guides on both sides of the engaging portion. Slide and hold the protrusion while aligning it with the guide space on both sides of the engagement space, so that the male member and female member can be accurately aligned and engaged so that there is no distortion, and the vertical and axial directions The main focus of protection is to increase the tensile strength. In addition, the male member is provided with a feature that the engagement portion of the male member supported on one side and the engagement space of the female member are merely held in engagement by elastic deformation, and are prevented from falling off and coming off in the axial direction. However, the above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Therefore, it should be explicitly stated that any simple additions and equivalent structural modifications made by operating the contents of the specification and drawings of the present invention should be included in the scope of the present invention.

  In summary, the front-opening buckle of the present invention can reliably achieve its effect and purpose in use. Therefore, since the present invention is certainly an excellent invention, a patent application is filed based on the law. We hope that the examiner will be able to guarantee the invention due to the inventor's hard work by making a registration assessment as soon as possible. If you have any doubts in your office, the inventor will not hesitate to cooperate, so I am eager to give you a letter as much as possible.

It is a three-dimensional external view of the present invention. It is a three-dimensional exploded view of the present invention. It is side surface sectional drawing before the assembly of this invention. It is side surface sectional drawing after the assembly of this invention. It is a three-dimensional sectional view before assembly of the present invention. It is a three-dimensional sectional view after assembly of the present invention. It is a three-dimensional exploded view of a conventional buckle. It is a plane exploded view of the conventional buckle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, Female member 2, Male member 3, Buckle 4, Belt 11, Opening 12, Belt attachment part 21, Engagement part 22, Belt attachment part 111, Engagement space 112, Locking claw 113, Guide space 114, Stopper plane 211, pressing surface 212, locking claw 213, contact portion 214, isolation groove 215, guide projection 215, guide projection 2111, anti-slip projection A, buckle A1, male member A2, female member A11, elastic arm portion A21, opening A12, rod-like body A211, guide rail A13, locking claw A22, side opening A14, notch A221, side wall surface

Claims (6)

A buckle comprising at least a male member and a female member,
An opening is provided in front of the female member, an engagement space is provided in the opening, and guide spaces are provided on both sides of the engagement space,
The male member can be fitted into the opening of the female member, and an engagement portion that can be locked in an engagement space of the female member is provided in front of the male member, and the guide is provided on both sides of the engagement portion. A buckle characterized in that a guide protrusion capable of sliding in is provided in each space. In the engagement space of the female member, a locking claw protruding downward is provided,
2. The buckle according to claim 1, wherein a locking claw that engages with a locking claw of the female member protrudes upward from the engaging portion of the male member.   2. The buckle according to claim 1, wherein a belt attaching portion for inserting a belt in advance is provided at a rear side opposite to the opening of the female member.   On the engaging part of the male member, a pressing surface that can be released by being pressed is provided, and an anti-slip protrusion is provided on the pressing surface. 2. The buckle according to claim 1, wherein: The engaging part of the male member is an elastic engaging part in a one-side support state toward the front side,
A contact portion and an isolation groove are provided on both sides of the engaging portion,
Stopper planes are provided on both sides of the engagement space of the female member to abut against the abutment portions on both sides of the engagement portion to restrict elastic deformation of the engagement portion. The buckle according to claim 1.   2. The buckle according to claim 1, wherein a belt attaching portion for inserting a belt in advance is provided at a rear side opposite to the engaging portion of the male member.

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