JPH0225285Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention can be attached to the shoulder straps of pants, safety belts, etc., is easy to engage and disconnect, does not come off accidentally, and has excellent strength and durability. This invention relates to a synthetic resin buckle consisting of relatively flat male and female members.

(Prior art) Conventionally, a composite device consists of a male member having an insertion plate provided below the belt attachment ring, and a female member having an operating body pivotably mounted to the female body having the belt attachment ring below. A resin buckle was used.

An elastic piece is provided on either the female main body or the operating body, and the elastic force of the elastic piece allows the male and female members to be removably fitted and locked.

In this case, if the elastic force of the elastic piece is strong, a large force is required to press the operating body when releasing the male and female members, and conversely, if the elastic force of the elastic piece is weak,
It can be operated with a small amount of force.

However, in order to ensure the strength and durability of the buckle, the elastic piece had to be made thicker to some extent.

For this reason, the elastic force of the elastic pieces is too strong, making it difficult to release the male and female members.

On the other hand, if the elastic piece is thin, the engagement and disengagement operations are easy, but there is a drawback that the connection between the male and female members is likely to come apart inadvertently.

(Problems to be solved by the invention) The elastic piece can be made thicker so that the male and female members will not come off inadvertently, and the male and female members can be easily engaged and disengaged, and have excellent strength and durability, and are easy to use. The goal is to provide a good deal.

(Means for solving problems) The present invention has the following configuration.

A male member A, in which an insertion plate 3 with an oblong fitting opening 4 is connected to the lower end of a mounting ring 2 having a belt mounting hole 1, and a plate-shaped female body c and an operating body d are connected with a gap. The female part body C has side walls 9, 9 on both left and right ends on the surface of the female part main body C.
A cut groove 10 is provided at the lower part to form a tongue piece 11, a mounting ring 13 having a belt mounting hole 12 is continuously provided at the lower end, and an inward facing part is provided at the upper end of both side walls 9, 9. The step portions 15, 15 are provided with overhanging rods 14, 14.
, with shaft holes 17, 17 bored in the center part, and on the back side of the operating body d, step parts 19, 19 are formed at both left and right ends of the narrow part 18 at the upper end part, and the upper part has a top surface. A horizontally long locking protrusion 20 with an inclined surface 21 is provided protrudingly,
Coaxial shaft elements 24, 24 protruding from the side edges are attached to both the left and right sides of the central part, and a hook-shaped piece 2 is attached to the lower part.
The shafts 24, 24 of the operating body d are pivotally connected to the shaft holes 17, 17 of the female part main body c, and the hook-shaped piece 26 is elastically supported by the tongue piece 11, and the female part Step part 15,1 of main body c
The insertion plate 3 of the male member A is press-inserted into the expandable upper gap of the operating body d and the female body c, which are connected by abutting the step portions 19, 19 of the operating body d on the male member A. The locking protrusion 20 of the female member B is engaged with the fitting opening 4 of A to detachably connect the male member A and the female member B, which are integrally formed from a strong synthetic resin.

(Example) As shown in FIGS. 1 and 2, the buckle of the present invention includes a male member A in the form of a plate having a belt attachment hole 1, and a female body c having a belt attachment hole 12 below. and a female member B to which an operating body d is pivotably mounted.

Then, the male member A is removably fitted and locked from above the female member B, and the male spring member A, the female body c, and the operating body d are all integrally made of a strong synthetic resin. It is molded into.

The male member A, as shown in FIGS. 4 and 5,
An insertion plate 3 is connected to the lower end of an attachment ring 2 having a belt attachment hole 1 for attaching one end of the belt.

The insertion plate 3 is narrower than the mounting ring 2, and has a horizontally elongated fitting opening 4 formed in the upper center thereof, and has a protruding ridge 6 on the lower end surface of the fitting opening 4 that protrudes from the insertion plate 3. An end 5 is provided, and an inclined surface 7 is formed from the locking end 5 to the lower end.

The female member B, as shown in FIGS. 6 and 7,
The operating body d is pivotally mounted to a female body c that has a mounting ring 13 having a belt mounting hole 12 provided below so as to be pressable.

As shown in FIGS. 10 and 11, the female body c is symmetrical, and has side walls 9 on both left and right sides of the bottom plate 8
It has been established.

The bottom plate 8 has substantially inverted U-shaped grooves 10 on both left and right sides of the bottom to form a tongue piece 11, and a mounting ring 13 having a horizontally elongated belt mounting hole 12 is provided below.

Both side walls 9 are provided with overhanging rods 14 slightly overhanging each other on both left and right inner sides of the upper end surface side, and an insertion opening 16 is provided.
The tip surfaces of both overhanging rods 14 are cut out to form a stepped portion 15, and a shaft hole 17 is bored approximately in the center.

The operating body d is pivotably attached to the female body c, and as shown in FIGS. 8 and 9,
It is a bilaterally symmetrical body.

The operating body d has a narrow part 1 whose upper end is slightly narrower.
8, and a stepped portion 19 is formed by slightly notching the back surface of both left and right ends of this narrow width portion 18.

The operating body d has a horizontally elongated locking protrusion 20 protruding from the upper center of the back surface, and an inclined surface 21 is formed on the upper surface of the locking protrusion 20.

The operating body d has a concave portion 23 formed from the bottom to the center of the locking protrusion 20, and shafts 24 protruding from both left and right ends of the center.

The operating body d forms a pressing portion 25 on the lower surface,
Hook-shaped pieces 26 are continuously provided at both ends of the back surface of the pressing portion 25 in a substantially V-shape when viewed from the side.

Then, the female part main body c and the operating body d are assembled as follows.

When the shafts 24, 24 of the operating body d are pivoted to the shaft holes 17, 17 of the female body c, the hook-shaped pieces 26 of the manipulating body d are attached to the female body c, as shown in FIGS. 6 and 7. tongue piece 1
1, and the elastic force of the hook-shaped piece 26 causes the stepped portions 15,
The stepped portions 19, 19 of the narrow part 18 of the operating body d are attached to the 15, and an expandable gap is formed in the upper part between the operating body d and the female part body c, so that the operating body d is connected to the female part. Body c
is supported by

Next, regarding how to use the buckle of this invention,
The explanation will be based on the case where it is attached to the shoulder strap of pants.

One end of the shoulder strap 27 is attached to the attachment ring 2 of the male member A, and the other end of the shoulder strap 27 is attached to the attachment ring 13 of the female member B.

The insertion plate 3 of the male member A is inserted through the insertion opening 16 of the female member B by sliding it on the bottom plate 8.

The inclined surface 7 of the insertion plate 3 is connected to the operating body d of the female member B.
It comes into contact with the locking protrusion 20 of.

When the male member A is further pressed and inserted, the insertion plate 3
The inclined surface 7 enters the locking protrusion 20 while coming into contact with it, and resists the elastic force of the hook-like piece 26 of the operating body d and the tongue piece 11 of the female part main body c, and pushes the locking protrusion 20. Push up.

When the locking end 5 of the fitting opening 4 of the insertion plate 3 passes through the end surface of the locking protrusion 20 of the operating body d, the hook-like piece 26 and the tongue piece 11 spring, causing the female part main body c to protrude. The steps 19, 19 of the narrow part 18 of the operating body d are abutted on the steps 15, 15 of the rods 14, 14, and the locking protrusion 20
The end surface 22 of the male member A and the locking end 5 of the fitting port 4 contact and lock, and the locking protrusion 20 fits into the fitting port 4, and the male member A
and female member B are securely fitted and locked.

To separate the male and female members B and A that have been fitted and locked, press the lower end of the pressing part 25 of the operating body d toward the female part main body c, as shown by the two-dot chain line in FIG.
The pressing portion 25 is rotated about the shafts 24, 24, and the upper portions of the male and female members B are opened.

The end surface 22 of the locking protrusion 20 of the operating body d is connected to the male member A.
When the male member A is pulled upward, the insertion plate 3 slides within the female and male members B, and the male member A separates from the female member B.

In the above embodiment, one belt attachment hole 1 was provided in the male member A, but as shown in FIG. 12, a plurality of belt attachment holes 1 are provided and one end of the shoulder strap 27 is It may be threaded so that the length can be adjusted.

In the embodiment described above, the male member A was provided with the protruding ridge 6 protruding from the insertion plate 3, and the operating body d was provided with the concave portion 23. However, as shown in FIGS. 13 and 15, When the protruding ridge 6 is omitted, the recessed partition 23 may also be omitted.

In the embodiment described above, in order to smoothly fit and lock the male and female members B and A, the insertion plate 3 of the male member A and the locking protrusion 20 of the operating body d are provided with inclined surfaces 7 and 21. However, the inclined surface may be formed only on either the insertion plate 3 or the operating body d.

In the above embodiment, the hook-shaped piece 26 of the operating body d and the tongue piece 11 of the female part main body c were each provided with two strips, but as shown in FIGS. A slightly wider hook-like piece 26 may be provided at the center of the lower end of the back surface, and a tongue piece 11 may be provided at the lower center of the bottom plate 8 via a slightly wider cut groove 10.

In the embodiment, the width w of the hook-shaped piece 26 and the tongue piece 11 are
The explanation was given using an example in which the width l of the hook-shaped piece 2 is approximately the same width.
When the width w of the tongue piece 6 is constant, by changing the width l of the tongue piece 11, or conversely, when the width l of the tongue piece 11 is constant, the width w of the hook-like piece 26 can be changed. Accordingly, the strength of the elastic force of the operating body d can be adjusted more delicately.

In the above embodiment, the hook-shaped pieces 26 of the operating body d are arranged in a substantially V-shape on the back surface of the pressing section 25, but as shown in FIG. It may be arranged in a row approximately in the center of the inverted V-shape when viewed from the side.

In the above embodiment, the overhanging rod 14 was provided inside the upper end of the side wall 9 of the female part body c, but as shown in FIG. On the surface side, one continuous overhanging rod 14
You can also use it as

In the embodiment described above, when attaching the shoulder strap 27,
The explanation has been given using an example in which the male and female members B, A are provided with the mounting rings 2, 13, but the female and male members B, A can be directly attached using commercially available studs.
A may be fixed to the shoulder strap 27.

In the above embodiment, the example was explained in which it is attached to the shoulder strap 27 of pants, but it can also be attached to the opening/closing opening of jumpers, pants, skirts, etc., overlapping parts, etc., which expand and contract, and also to straps for cameras, radios, video cameras, etc. It can also be used as a fastener.

(Operation and effect of the invention) According to the buckle according to the invention of the present application, the female member B
The operating body d is pivotally supported at the center of the female body c, the hook-like piece 26 of the manipulating body d is elastically supported by the tongue piece 11 of the female body c, and the stepped portion 15 of the female body c is supported. 15 is configured to abut the stepped portions 19, 19 of the operating body d, so even if the hook-like piece 26 is made thicker, the tongue piece 11 and the hook-like piece 26 placed in contact with the tongue piece 11 can be used for elastic force. Unlike conventional buckles, not only is it easy to engage and disengage the male and female members, but the male and female members can be firmly connected and will not come off accidentally, making it easy to use and safe to use. You can get a battle.

Moreover, the hook-shaped piece 26 can be made thicker, and a buckle with excellent strength and durability can be obtained.

Furthermore, a combination of different elastic forces between the hook-shaped piece 26 of the operating body d and the tongue piece 11 of the female part body c, that is,
Depending on the combination of width, thickness, length, material, etc.
Various buckles can be manufactured to suit the conditions of use.

Furthermore, the buckle of the present invention consists of only three members: the operating body d of the female member B, the female main body c, and the male member A, all of which are manufactured integrally, so not only can the number of parts be reduced, but By selecting and combining these colors, shapes, and materials, products with excellent design effects can be obtained.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway front view of the buckle according to the present invention in a state where the male and female members are fitted, Fig. 2 is a sectional view taken along the - line in Fig. 1, and Fig. 3 is a use of the buckle according to the present invention. An explanatory view of the state, FIG. 4 is a front view of the male member according to the present invention, FIG. 5 is a sectional view taken along the - line of FIG. 4, and FIG. 6 is a front view of the female member of the buckle according to the present invention. Fig. 7 is a sectional view taken along the - line in Fig. 6, Fig. 8 is a rear view of the operating body according to the present invention, Fig. 9 is a side view of the operating body in Fig. 8, and Fig. 10 is a female of the present invention. Front view of main body, 1st
Figure 1 is a sectional view taken along the - line in Figure 10.
Figure 2 is a front view of another male member according to the present invention, Figure 13
The figure is a sectional view taken along the - line in Figure 12,
FIG. 15 is a side view of another operating body according to the present invention, FIG. 15 is a rear view of another operating body according to the present invention, and FIG. 16 is a front view of another female main body according to the present invention. A...male member, B...female member, c...female part body, d...operating body, l...width, w...width, 1...
Belt mounting hole, 2... Mounting ring, 3... Insertion plate, 4
...Fitting opening, 5...Locking end, 6...Protruding ridge, 7...
... Inclined surface, 8 ... Bottom plate, 9 ... Side wall, 10 ... Cut groove, 11 ... Tongue piece, 12 ... Belt attachment hole, 13
... Mounting ring, 14 ... Overhanging rod, 15 ... Step part, 1
6...Insertion port, 17...Shaft hole, 18...Narrow width part,
19... Step portion, 20... Locking protrusion, 21... Inclined surface, 22... End face, 23... Concave portion, 24... Shaft, 25... Pressing portion, 26... Hook-shaped piece, 27 ……
Shoulder strap.

Claims (1)

[Scope of utility model registration request] A male member A, which has an insertion plate 3 with a horizontally elongated fitting opening 4 connected to the lower end of a mounting ring 2 having a belt mounting hole 1, and a plate-shaped female body c and an operating body d are connected with a gap. On the surface of the female part main body C, side walls 9, 9 are attached to both left and right ends, a cut groove 10 is provided at the lower part to form a tongue piece 11, and a belt attachment hole is provided at the lower end. A mounting ring 13 having 12 is installed in series,
Both side walls 9, 9 have an inwardly extending rod 1 at the upper end.
4, 14 are provided to form stepped portions 15, 15, and shaft holes 17, 17 are bored in the central portion. parts 19, 19 are formed, a horizontally elongated locking protrusion 20 whose upper surface is an inclined surface 21 is protruded from the upper part, and coaxial shaft elements 24, 24 protruding from the side ends are provided on both left and right sides of the central part. , a hook-shaped piece 26 is provided protruding from the lower part, and the shaft elements 24, 24 of the operating body d are pivotally connected to the shaft holes 17, 17 of the female part main body c, and the hook-shaped piece 26 is connected to the tongue piece 1.
1, and step part 1 of the female part main body c.
The insertion plate 3 of the male member A is press-inserted into the expandable upper gap of the operating body d and the female body c, which are connected by abutting the step portions 19 and 19 of the operating body d on the 5 and 15,
The locking protrusion 20 of the female member B is engaged with the fitting opening 4 of the male member A, thereby removably connecting the male member A and the female member B, which are integrally formed from a strong synthetic resin. Batsukuru.