JPH0744167Y2 - Clasps such as bracelets - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clasp used for connecting parts such as a bracelet to be worn on a wrist or an arm, an armlet, and other wristwatch bands for women.

[0002]

2. Description of the Related Art In a ring-shaped accessory used for a wrist such as a bracelet, various clasps made of male and female are usually used to connect both ends of a continuous thread or chains through which many pieces of jewelry are inserted. ing. Figure 6 shows an example of this,
This clasp comprises a female tool 1 and a male tool 2, and the female tool 1 is provided with a mouth 1c by installing a locking rod 1b between both leg pieces of a U-shaped member 1a. Character-shaped member 2a
The engaging portion 3d provided on the inner end of one of the engaging piece 3b, 3c pivotally attached so that the inner end can be opened and closed by the shaft 3a is axially attached between the two leg pieces of On the inner surface of the end of the other piece 3c, there is provided a projection 3e which can be engaged with the engaging portion 3d when the two pieces 3b, 3c are closed in an abutting manner. is both portions piece 3b as shown in FIG. 6,
With the opening 3c open, the piece 3c is inserted in the direction of the arrow (a) from the back side of the mouth 1c of the female tool 1 and then the facing piece 3b.
The projection 3e is engaged with the locking portion 3d by superimposing it on top.

In addition, a clasp as shown in FIG. 7 is used in a wristwatch or the like. That is, this clasp female tool 4
Installs a rod rod 4b, a stop shaft 4c, and a locking piece 4e having an intermediate portion exposed from the mouth portion 4d between both side pieces 4a with a space provided in the front-rear direction. A bent portion 5 which can be engaged with the rod rod 4b and the stop shaft 4c at each outer end of the inner short piece 5a and the outer long piece 5b pivoted individually by 6.
c and 5d are formed, and this clasp is shown in Fig. 7 (B).
As described above, first, the bent portion 5c of the inner short piece 5a is hooked on the rod 4b for temporary engagement, and then the outer long piece 5b is pivoted so as to be tilted toward the outer surface of the female tool 4 to move the bent portion 5d to the mouth portion 4d. The push shaft 4c can be engaged with the stop shaft 4c. In addition, as this kind of metal fitting,
No. 6 is proposed.

[0004]

By the way, in the former case of the above-mentioned conventional example, the piece 3c must pass through the mouth portion 1c of the female tool 1 each time the clasp is disengaged. Moreover, at the time of engagement, as shown in FIG. 6 , the mouth portion 1 of the female tool 1 is pushed from the upper portion in a state where the above-mentioned piece 3c is erected.
It is necessary to fit c, and at the time of detachment, the female tool 1
Since it has to be pulled out from c and removed, it has a problem in operability as a clasp for a bracelet or the like that requires an operation of "disengaging with one hand", and has a drawback that it is inferior in aesthetics and luxury. In addition, the latter not only lacks high-class feeling and decorativeness as described above, but it also has both parts 5 of the male tool 5.
Since a and 5b are independently pivotally attached to the shaft 6, and the bent portion 5d of the outer long piece 5b utilizes the restoring elasticity of the spring, the engaging and disengaging operation is troublesome, and especially when detaching, the fingertips A considerable amount of force must be applied, which has an adverse effect on the handling as a female ornament. Further real public
The ones related to Sho 58-37296 are operated during removal.
Parallel to spring 9 side with both sides of child 11 sandwiched by fingers
Has to be retracted to
is there.

The present invention is applied to clasps such as bracelets.
It is an object of the present invention to allow the female and male gears to be removed with ease and reasonably and reasonably .

[0006]

SUMMARY OF THE INVENTION The present invention comprises a male tool and a female tool for engaging and disengaging the male tool. The female tool has an outer end portion of the base plate on the outer surface of the wand and a fitting hole on the inner end surface. thereby forming a open the haustral portion, the inner end portion of the substrate to form a hole over the locking portion provided by bending Hasugaimen is to Wa, the substrate on either side of the other male member this body A clasp such as a bracelet that forms side frames for holding both sides of the body, and has an outer end portion of the main body provided with a hook capable of engaging with the hanging hole on the inner surface of the body.
In the body of the tool, a cavity is formed in which the inner end portion facing the fitting hole and the one side frame are opened to the frame respectively.
A guide hole provided in the operation piece so that the locking piece and the fingertip piece are made to come out from the respective openings by spring members.
Supported by a pin axially inserted into the
The id hole is a fingertip piece that is projected from one side opening of the main body.
And the diagonal direction facing the middle of the elastic force direction by the spring member
It is characterized in that it is formed as a hypotenuse .

The guide hole of the operation piece is the oblique side.
The formed into a right triangle to one side of a good is two sides sandwiching a right of the triangle formed along a direction which can be moved backward toward the finger tip piece and the locking piece of the operating member in the respective cavity
Is.

[0008]

According to the present invention, the base plate of the female tool is placed on the wrist surface, and the hook portion of the male tool is temporarily locked by engaging the hooking hole of the female tool, and then the engaging portion is used as a fulcrum. As the male tool body is rotated to allow the female tool to overlap with each other and the male tool is pressed from the outer upper part, the locking piece provided on the operating piece of the male tool once retreats into the cavity and then opposes. It is possible to connect the both by being inserted into the fitting hole of the female tool, and when detaching, the fingertip piece of the operation piece protruding from the one side opening of the male tool is resisted against the internal spring member. When pushed in, the locking piece of the operation piece can be removed from the fitting hole to separate the male and female tools. In addition, the fingertip piece should be
When pushed in the direction, the operating piece tilts in the cavity against the spring member.
It retreats in the direction.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.

1 to 4, 11 is a female member of a clasp 10 and 12 is a male member of the same. One female member 11 is an outer end portion of a base plate 13 which is brought into contact with an arm surface. A bulged portion 13a is formed on the outer surface of the saw and a fitting hole 14 is formed in a vertical inner end surface of the bulged portion. The hooking hole 15 is provided in the locking portion 13b formed by bending.

On the other hand, the other male tool 12 has a side frame for holding both sides of the base plate 13 of the female tool 11 on both sides of a main body 16 formed by matching the outer surface with the outer surface shape of the bulging portion 13a. Hooks 17 for forming 16a and 16b, and fitting and locking the outer ends of the main body on the inner surface of the hook into the hanging holes 15
In addition, in the main body 16, the bulging portion 1 is provided.
3a, which is in contact with the inner end surface provided with the fitting hole 14, has the one side frame 16a opening toward the saw, and the openings 18a, 18 respectively.
3, a cavity 18 is formed to form a locking piece 19a and a fingertip piece 19b, each of which has a substantially L shape and which is exposed to the outside from the openings 18a and 18b, respectively, as shown in FIG. Guide hole 2 which forms a right triangle in the middle part
The operation piece 19 provided with 0 is supported by inserting the pin 21 into the guide hole 20.
Reference numeral 9 is a spiral spring (spring member) 23 attached to a support shaft 22 in the cavity 18 so that the locking piece 19a and the fingertip piece 1 are provided.
9b is pressed from the openings 18a and 18b in the respective protruding directions. A slanting surface 19 'is formed on the outer end of the locking piece 19a (Fig. 2) .

However, the hypotenuse 20a of the guide hole 20 formed in the above-mentioned right-angled triangle is formed at a position facing the middle of the fingertip piece 19b and the elastic portion by the spring 23, and the other two sides 20b and 20c sandwiching the right angle are , Each locking piece 19 of the operation piece 19
The opening a and the fingertip piece 19b are formed along the moving direction in which the respective openings 18a and 18b are pushed into the cavity 18 from the side. 24 is the male tool 12 and the female tool 11
Shows a continuous yarn (or chain) as a decorative article such as a bracelet laid between the outer ends of the.

The clasp 10 having the above structure is shown in FIG.
As shown in (F), a continuous thread 24 such as a bracelet is wound around the wrist, the substrate 13 of the female tool 11 is placed on the wrist surface, and then the hanging hole 15 provided in the locking portion 13b of the female tool is placed. Male 1
By engaging the hooks 17 of the two, these female and male tools 1
1 and 12 are temporarily locked, and then the male tool 12 is rotated on the board 13 of the female tool with the locking portion as a fulcrum of rotation.
When pushed in as in (G), the outer end slope 1 of the locking piece 19a
9'is slidably brought into contact with the inner end of the bulging portion 13a so that the spring 2
The locking piece 19a together with the operating piece 19 against the hole 3
8 (FIG. 3D), which is opened by the spring 18
When it comes out again from a (FIG. 3C), the tip of the locking piece 19a projects into the fitting hole 14 of the female tool 11 and the male and female tools are connected, and the guide hole 20 is inserted into the operating piece 19. The above movement is allowed.

Further, when removing the male and female tools 11, 12, as shown in FIG. 5H, both side frames 16a, 16 of the male tool 12 are removed.
When the outer surface of b is pinched with the finger tip piece 19b by a finger, the operation piece 19 is pushed into the cavity 18 against the spring 23 by the finger tip piece. As the oblique side 20a is guided by the pin 21, the locking piece 19a retracts into the cavity 18 (FIG. 3E), and the engagement of the male and female tools is released.

[0015]

[Effect of the Invention] According to the present invention, the male tool is separated from the female tool.
When removing it, hold the both side frames of the male tool body with your fingers.
The only fingertip piece protruding from one side frame opening
By pushing in, the operation piece resists the spring member and inside the male tool cavity
Since it retreats in the oblique direction of the
It can be done easily and quickly without any strain.
Of. In addition, the guide hole of the operation piece is formed in a right triangle.
Then, the forward / backward movement of the operating piece in the cavity is
Go straight, the other side is diagonal and there is no waste of movement, a good city
If they fit together, it can be done.

[Brief description of drawings]

FIG. 1 is a perspective view of a clasp according to the present invention before engagement.

FIG. 2 is a perspective view of the same when temporarily locked.

FIGS. 3 (C), (D), and (E) are front views showing an operation sequence of operation pieces provided in the cavity of the male tool.

FIG. 4 (F) (G) is a perspective view illustrating an engagement procedure of the clasp of the present invention on the wrist.

FIG. 5 (H) is a perspective view for explaining the removal procedure.

FIG. 6 is a perspective view showing an example of a conventional clasp.

FIG. 7A is a perspective view of a band clasp used in a wristwatch before engagement.

FIG. 7 (B) is a partially cutaway horizontal sectional view of the same when temporarily locking.

[Explanation of symbols]

 11 Female Tool 12 Male Tool 13 Substrate 13a Swelling Section 13b Locking Section 14 Fitting Hole 15 Hanging Hole 16 Main Body 16a, 16b Both Side Frames 17 Hook 18 Cavity 18a, 18b Opening 19 Operation Piece 19a Locking Piece 19b Fingertip Piece 20 Guide Hole 20a hypotenuse 20b, 20c 2 pieces sandwiching a right angle 21 pin 23 spring member

Claims (2)

[Scope of utility model registration request] 1. A male tool and a female tool for engaging and disengaging the male tool, wherein the female tool has an outer end portion of the base plate formed on the outer surface of the saw and a bulged portion having a fitting hole formed on the inner end surface thereof. together, the inner end portion of the substrate to form a hole over the locking portion provided by bending the ring Hasugaimen, other male member to embrace both sides of the substrate on either side of the body side A bracelet that forms a frame, and has an outer end of the main body provided with a hook on the inner surface of the body that can be engaged with the hanging hole.
Be any clasp, In the main body of the male member, the respective openings in the air sinuses by forming a cavity inner end in contact against the said fitting hole and said one side frame is respectively opened to Wa the operation piece you so that to each臨出locking piece and finger tip piece by the spring member from and provided to the operation lever moth
It is supported by a pin axially inserted in the guide hole , and the guide hole of the operation piece is projected from one side opening of the main body.
Surface of the fingertip piece and the elastic member
A clasp such as a bracelet characterized by being formed as a slanted oblique side . Guide holes according to claim 2 wherein the operation piece is one of the hypotenuse
Forming a right angle triangle, characterized in that the two sides sandwiching a right of the triangle formed by along a direction which can be moved backward toward the finger tip piece and the locking piece of the operating member to each cavity to the side A clasp such as a bracelet according to claim 1.