Connection tool

Abstract

To provide a connection tool not to be easily disengaged even when external force is applied.SOLUTION: A fitting projection part 12 arranged on a lower side of a male-side buckle 10 is fitted to a fitting space of a female-side buckle 30 from above. Then, rotary members 32, 33 are temporarily saved sideward against springs 40, 41, and, subsequently, pawl-shaped engagement parts 36, 37 energized by the springs 40, 41 are engaged in a diagonally downward state with hook-shaped engagement receiving parts 18, 19, so as to restrict an upward movement of the fitting projection part 12. When a pair of right and left operation parts 34, 35 are operated so as to allow tip sides of the rotary members 32, 33 to be saved sideward, the restriction is cancelled so as to enable separation.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a connector, and more particularly to a connector suitable for use in connecting a pet's collar belt. [Background technology]

[0002] Conventionally, there are connectors consisting of a male buckle and a female buckle that are used to connect belts and other items. These buckle-type connectors are easy to attach and detach, and are widely used to connect belts to bags and other items. Buckle-type connectors come in a variety of sizes, but small sizes have the disadvantage of being easily dislodged when a large external force is applied during connection. Summary of the Invention [Problem to be solved by the invention]

[0003] The present invention has been made in consideration of the above-mentioned problems of the conventional technology, and has as its object to provide a connector that is difficult to come off even when an external force is applied. [Means for solving the problem]

[0004] In the invention described in claim 1, a male buckle having a mating protrusion at its bottom and a pair of hook-shaped engagement receiving portions on the sides of the mating protrusion; The female buckle includes a female buckle body having a fitting space formed therein into which the fitting protrusion can be freely inserted and removed from above, and a pair of left and right L-shaped rotating members. The pair of left and right rotating members have base ends that protrude laterally from the female buckle body to form operating parts, and tip ends that extend into the fitting space to form a pair of left and right claw-shaped engaging parts that can be engaged with and disengaged from the pair of left and right hook-shaped engaging receiving parts, The female buckle body has a pair of left and right rotation shafts that pivotally support the pair of left and right rotation members at intermediate positions between their base ends and tip ends, and allow the tip ends to freely rotate toward the center and the sides of the fitting space; a pair of left and right biasing means for biasing the tip ends of the pair of left and right rotating members toward the center of the fitting space, and for maintaining a state in which the claw-shaped engagement protrusions are engaged with the pair of left and right hook-shaped engagement receiving portions of the fitting convex portion fitted into the fitting space; It is equipped with When the fitting convex portion is fitted into the fitting space from above with the tip ends of the pair of left and right rotating members returned to near the center of the fitting space, the outer sides of the pair of left and right hook-shaped engagement receiving portions press the tip ends of the pair of left and right rotating members to rotate and retract to the side, and then the pair of left and right claw-shaped engagement portions engage with the pair of left and right hook-shaped engagement receiving portions facing downward or obliquely downward, restricting the upward movement of the fitting convex portion, and when the pair of left and right operating portions are operated to rotate and retract the tip ends of the pair of left and right rotating members to the side, the restriction is released. It is characterized by: [Effects of the Invention]

[0005] According to the invention described in claim 1, when the male buckle is mated with the female buckle, the pair of left and right claw-shaped engaging portions at the tip end of the pair of left and right rotating members are engaged with the pair of left and right hook-shaped engaging receiving portions on the mating convex portion of the male buckle facing downward or diagonally downward. Therefore, when a large external force is applied upward to the male buckle, a large reaction force is generated from the pair of left and right claw-shaped engaging portions facing downward or diagonally downward, making it difficult for the buckle to come off. [Brief explanation of the drawings]

[0006] [Figure 1] 1 is a front view of the appearance of a connector according to an embodiment of the present invention. [Figure 2] FIG. 2 is a rear view of FIG. [Figure 3] FIG. 2 is a left side view of FIG. 1. [Figure 4] FIG. 2 is a front view of the male buckle in FIG. [Figure 5] FIG. 5 is a rear view of FIG. [Figure 6] FIG. 5 is a side view of FIG. [Figure 7] FIG. 5 is a front view of the male buckle body in FIG. 4. [Figure 8] FIG. 8 is a side view of FIG. [Figure 9] FIG. 5 is a front view of the belt attachment member in FIG. 4. [Figure 10] FIG. 10 is a side view of FIG. 9. [Figure 11] FIG. 2 is a front view of the female buckle in FIG. [Figure 12] FIG. 12 is a rear view of FIG. [Figure 13] FIG. 12 is a side view of FIG. [Figure 14] FIG. 13 is a cross-sectional view of FIG. 12. [Figure 15] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. [Figure 16] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. [Figure 17] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. [Figure 18] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. [Figure 19] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. [Figure 20] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. [Figure 21] 2 is an explanatory diagram of the operation of the connector of FIG. 1. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0007] Preferred embodiments of the present invention will be described below using examples. [Example]

[0008] An embodiment of a connector according to the present invention will be described with reference to Figures 1 to 14. Figure 1 is a front view of the appearance of a connector according to one embodiment of the present invention, Figures 2 and 3 are a back view and a left side view of Figure 1, Figure 4 is a front view of the male buckle in Figure 1, Figures 5 and 6 are a back view and a left side view of Figure 4, Figure 7 is a front view of the male buckle body in Figure 4, Figure 8 is a left side view of Figure 7, Figure 9 is a front view of the belt attachment member in Figure 4, Figure 10 is a left side view of Figure 9, Figure 11 is a front view of the female buckle in Figure 1, Figures 12 and 13 are a back view and a side view of Figure 11, and Figure 14 is a cross-sectional view of Figure 12. In these figures, reference numeral 1 denotes a buckle-type connector made entirely of metal, which is used, for example, to fasten and detach both ends of a dog collar belt in a loop shape. Connector 1 consists of a male buckle 10 and a female buckle 30 that can be freely fitted and detached to each other in the vertical direction in Figure 1, and one end of collar belt 50 is attached to male buckle 10, and the other end is attached to female buckle 30.

[0009] The male buckle 10 is made entirely of metal and is formed symmetrically. It consists of a male buckle body 13 having a mating projection 12 that protrudes downward from the center of the lower part of an upper square frame 11, and a belt fastening member 15 fixed to the square frame 11 with screws 14. The ends of a collar belt 50 are attached to oblong belt holes 16 and 17 that are opened in two stages, above and below, in the belt fastening member 15. The mating projection 12 can be freely fitted into and removed from a mating space (see symbol S in Figure 12) formed in the upper part of the female buckle 30 from above.

[0010] A pair of left and right hook-shaped engagement receivers 18, 19 are provided symmetrically on the left and right sides of the fitting convex portion 12 and oriented diagonally downward (the lower portions of the hook-shaped engagement receivers 18, 19 are closer to the center of the fitting convex portion 12 than the upper portions thereof). A groove portion 20 is formed in the center of the lower end of the fitting convex portion 12, and a mountain-shaped guide portion 21 is formed on the back side of the fitting convex portion 12 when viewed from the back.

[0011] The female buckle 30 is made entirely of metal and is formed symmetrically. The female buckle 30 is provided with a female buckle body 31 having a mating space S into which the mating protrusion 12 of the male buckle 10 can be inserted and removed from above, and a pair of left and right L-shaped rotating members 32, 33. The upper base ends of the pair of left and right rotating members 32, 33 protrude laterally from the female buckle body 31 to form a pair of left and right operating members 34, 35, and the tip ends extend into the mating space S to form a pair of left and right claw-shaped engaging portions 36, 37 that can be engaged and disengaged with the pair of left and right hook-shaped engaging receivers 18, 19.

[0012] The female buckle body 31 is provided with a pair of left and right rotating shafts 38, 39 that support the pair of left and right rotating members 32, 33 midway between their base ends and tip ends and allow the tip ends to rotate freely toward the center and to the side of the fitting space S, and a pair of left and right springs 40, 41 that serve as biasing means that urge the tip sides of the pair of left and right rotating members 32, 33 toward the center in the left-right direction of the fitting space S and maintain a state in which the claw-shaped engaging protrusions 36, 37 are engaged with the pair of left and right hook-shaped engaging receiving portions 18, 19 of the fitting convex portion 12 fitted into the fitting space S.

[0013] When the female buckle 30 is fitted with the fitting protrusion 12 of the male buckle 10 from above into the fitting space S with the tip ends of the pair of left and right rotating members 32, 33 returned to the center of the fitting space S, the tip protrusions 18a, 19a of the pair of left and right hook-shaped engagement receiving portions 18, 19 press the tip ends of the pair of left and right rotating members 32, 33 to rotate and retreat to the side (see Figures 15 to 17), and then the pair of left and right claw-shaped engagement portions 36, 37 biased by the springs 40, 41 engage the pair of left and right hooks When the claw-shaped engaging portions 36, 37 fit into the recesses 18b, 19b of the hook-shaped engaging receiving portions 18, 19 (see Figure 18), the claw-shaped engaging portions 36, 37 face diagonally downward (the lower portions of the hook-shaped engaging receiving portions 18, 19 are closer to the center of the mating convex portion 12 than the upper portions), and are engaged with the pair of left and right hook-shaped engaging receiving portions 18, 19, and when the mating convex portion 12 tries to move upward, the hook-shaped engaging receiving portions 18, 19 abut against the tips of the claw-shaped engaging portions 36, 37, restricting the upward movement. Furthermore, when the pair of left and right claw-shaped engaging portions 36, 37 are engaged with the pair of left and right hook-shaped engaging receiving portions 18, 19, by operating the pair of left and right operating portions 34, 35 to rotate and retract the tip ends (the sides of the claw-shaped engaging portions 36, 37) of the pair of left and right rotating members 32, 33 to the side of the mating protrusion 12, the engagement is released and the restriction on upward movement is lifted (see Figures 19 and 20).

[0014] The female buckle body 31 is provided with a protruding projection 42 that protrudes from the center of the lower portion of the mating space S, and when the mating convex portion 10 is mated from above into the mating space S, it removably fits into and guides the groove portion 18. Also, a mating recess 43 is formed in the center of the upper part of the back surface of the female buckle body 31, and when the mating convex portion 12 is mated from above into the mating space S, it removably fits into and guides the guide portion 21 (see FIG. 2). An end of a collar belt 50 is attached to a horizontally elongated belt hole 44 opened at the bottom of the female side buckle body 31.

[0015] Next, the operation of the above embodiment will be described with reference to FIGS. As an example, it is assumed here that both ends of a dog collar belt 50 are attached to the male buckle 10 and the female buckle 30. (1) Separated state Initially, when the male buckle 10 and female buckle 30 of the connector 1 are separated, the pair of left and right pivot members 32, 33 in the female buckle 30, which are biased by springs 40, 41, are in a state in which their tips are rotated diagonally downward toward the center of the mating space S (see bottom of Figure 15). At this time, the left rotating member 32 has its operating portion 34 at the base end abutting against the female buckle body 31, restricting its rotation in the counterclockwise direction, and the right rotating member 33 has its operating portion 35 at the base end abutting against the female buckle body 31, restricting its rotation in the clockwise direction.

[0016] (2) Consolidated When it is desired to connect the collar belt 50 in a loop by mating the male buckle 10 and the female buckle 30, the mating projection 12 of the male buckle 10 is mated from above with the mating space S of the female buckle 30. This mating operation is guided correctly by the guide portion 21 mating with the mating recess 43 and the protrusion 42 mating with the groove 18. During the fitting process, first, the tip convex portions 18a, 19a of the pair of left and right hook-shaped engagement receiving portions 18, 19 of the fitting convex portion 12 press against the tip of the pair of left and right rotating members 32, 33 relative to the rotation shafts 38, 39, causing them to temporarily rotate and retreat to the left or right side against the biasing forces of the springs 40, 41. The left rotating member 32 rotates clockwise, and the right rotating member 33 rotates counterclockwise (see Figures 16 and 17).

[0017] When the tips of the pair of left and right claw-shaped engaging portions 36, 37 pass the tip convex portions 18a, 19a of the hook-shaped engaging receivers 18, 19, the pair of left and right claw-shaped engaging portions 36, 37 biased by the springs 40, 41 rotate toward the center of the fitting space S and fit into the concave portions 18b, 19b of the pair of left and right hook-shaped engaging receivers 18, 19, and engage with the pair of left and right hook-shaped engaging receivers 18, 19 obliquely downward (the lower portions of the claw-shaped engaging portions 36, 37 are closer to the center of the fitting convex portion 12 than the upper portions thereof). The left rotating member 32 rotates counterclockwise, and the right rotating member 33 rotates clockwise (see Figure 18).

[0018] When the pair of left and right claw-shaped engaging portions 36, 37 are engaged with the pair of left and right hook-shaped engaging receiving portions 18, 19, when the mating protrusion 12 attempts to move upward, the pair of left and right hook-shaped engaging receiving portions 18, 19 abut against the tips of the pair of left and right claw-shaped engaging portions 36, 37, restricting the upward movement. At this time, because the pair of left and right claw-shaped engaging portions 36, 37 face diagonally downward, when a large upward external force is applied to the male buckle 10, even if the connector 1 is small, a large reaction force is generated on the mating protrusion 12 from the pair of left and right claw-shaped engaging portions 36, 37, making it very difficult for the male buckle 10 to come off.

[0019] (3) Uncoupling the collar belt To release the collar belt 50, place your fingers on the pair of left and right operating parts 33, 34, rotate the left operating part 33 counterclockwise and the right operating part 34 clockwise against the pair of left and right springs 40, 41, and rotate the tips of the pair of left and right claw-shaped engaging parts 36, 37 to the left and right sides. In this state, pull the male buckle 10 upward, and the mating protrusion 12 will move upward out of the mating space S without being interfered with by the pair of left and right claw-shaped engaging parts 36, 37, and the mating will be released (see Figures 19 and 20). When you release your fingers from the pair of left and right operating parts 33, 34, the rotating members 32, 33 will return to their original state (see Figure 21).

[0020] According to this embodiment, even if the connecting device 1 is a small type, when the male buckle 10 is fitted to the female buckle 30, the pair of left and right claw-shaped engaging portions 36, 36 at the tip ends of the pair of left and right rotating members 33, 34 are engaged with the pair of left and right hook-shaped engaging receiving portions 18, 19 of the fitting protrusion 12 of the male buckle 10 at an angle downward, so that when a large external force is applied upward to the male buckle 10, a large reaction force is generated from the pair of left and right claw-shaped engaging portions 36, 37, making it difficult for the buckle to come off.

[0021] In the above embodiment, the claw-shaped engaging portion faces diagonally downward when engaged with the hook-shaped engaging receiving portion, but it may also face downward. [Industrial Applicability]

[0022] The present invention can be applied to fasteners used for connecting collar bands for dogs, cats, and the like. [Explanation of symbols]

[0023] 1 Connector 10 Male buckle 11 Male buckle body 12. Fitting protrusion 13, 14 Hook-shaped engagement receiving portion 30 Female buckle 31 Female buckle body 32, 33 Rotating members 34, 35 Operation section 36, 37 Claw-shaped engagement part 38, 39 Rotating shaft 40, 41 Springs 50 Collar Belt

Claims

[Claim 1] a male buckle having a mating protrusion at its bottom and a pair of hook-shaped engagement receiving portions on the sides of the mating protrusion; The female buckle includes a female buckle body having a fitting space formed therein into which the fitting protrusion can be freely inserted and removed from above, and a pair of left and right L-shaped rotating members. The pair of left and right rotating members have base ends that protrude laterally from the female buckle body to form operating parts, and tip ends that extend into the fitting space to form a pair of left and right claw-shaped engaging parts that can be engaged with and disengaged from the pair of left and right hook-shaped engaging receiving parts, The female buckle body has a pair of left and right rotation shafts that pivotally support the pair of left and right rotation members at intermediate positions between their base ends and tip ends, and allow the tip ends to freely rotate toward the center and the sides of the fitting space; a pair of left and right biasing means for biasing the tip ends of the pair of left and right rotating members toward the center of the fitting space, and for maintaining a state in which the claw-shaped engagement protrusions are engaged with the pair of left and right hook-shaped engagement receiving portions of the fitting convex portion fitted into the fitting space; It is equipped with When the fitting convex portion is fitted into the fitting space from above with the tip ends of the pair of left and right rotating members returned to near the center of the fitting space, the outer sides of the pair of left and right hook-shaped engagement receiving portions press the tip ends of the pair of left and right rotating members to rotate and retract to the side, and then the pair of left and right claw-shaped engagement portions engage with the pair of left and right hook-shaped engagement receiving portions facing downward or obliquely downward, restricting the upward movement of the fitting convex portion, and when the pair of left and right operating portions are operated to rotate and retract the tip ends of the pair of left and right rotating members to the side, the restriction is released. A connector characterized by:

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