CN2774227Y

CN2774227Y - Buckle capable of snapping at any angle

Info

Publication number: CN2774227Y
Application number: CN 200520005958
Authority: CN
Inventors: 陈宗龙
Original assignee: BEITENG INTERNATIONAL Co Ltd
Current assignee: BEITENG INTERNATIONAL Co Ltd
Priority date: 2005-03-15
Filing date: 2005-03-15
Publication date: 2006-04-26
Anticipated expiration: 2015-03-15

Abstract

The utility model relates to a buckle capable of buckling at any angle, which comprises a male fastener and a female fastener, wherein the male fastener is provided with two overhanging elastic arms, an outer arc side edge is respectively arranged at the outer edges of the two elastic arms, and a clamping shoulder is formed at the end of the outer arc side edge; the female fastener is provided with inserting slots at positions corresponding to the elastic arms, an internal wall surface capable of pressing the elastic arms is formed by the inserting slots, perforating slots communicated with the inserting slots are arranged on the front end surface and the back end surface of the internal wall surface, and an inner peritreme in approach grafting with the shoulder is formed. When the male fastener and the female fastener are buckled with each other, the male fastener is inserted into the female fastener at a slope angle and draws in by the pressure of the outer arc side edge and the internal wall surface, so the front end of the male fastener can slide into the inserting slots of the female fastener easily at any angle. In a fastened state, the inner peritreme is buckled through the clamping shoulder, so the fasteners are mutually buckled, and a block is engaged with a clamping convex part to form a double power resisting structure to further reinforce resisting power; thus, the stressed intensity of the whole buckle is enhanced greatly to cause the male fastener and the female fastener not to shed easily.

Description

Fastener that can arbitrarily angled snapping

Technical field

The relevant a kind of fastener that can arbitrarily angled snapping of the utility model, refer to especially a kind of can arbitrarily angled direct snapping, and make the quick snapping of male and female fastener location, and when fastening, form dual drag and further strengthen drag, make the fastener that significantly promoted by force intensity.

Background technology

Fastener is widely used on the various clothings (as knapsack), is provided as the snapping of frenulum or the major control device of separation.This type of fastener is made of relative pin thread spare and mother buckle, and makes pin thread spare and mother buckle be connected to two opposite end portions of frenulum.Combine with the snapping each other of mother buckle by pin thread spare, or with the default release that presses of pulling control piece, and can control the joint of whole piece frenulum or open.Fastener is except the control member as the combination at clothing frenulum both ends or separation, and it can become the main support device of frenulum when stressed simultaneously.

Seeing also shown in Figure 1ly, is example with known common fastener, and it is provided with the Plug Division at pin thread spare A usually, and mother buckle B then is provided with the inserting groove B1 that matches with this Plug Division.The default two elastic arm A1 that separate along pin thread spare A Plug Division, these elastic arms A1 is pegged graft enter the inserting groove B1 of mother buckle B, and when it arrives the perforated slot B2 position, default front and back of mother buckle B, because of the elastic restoring force resilience of two elastic arm A1 is equipped in the front and back perforated slot B2 of mother buckle B, finish the snapping location action of male and female fastener.Otherwise, when desire is separated above-mentioned male and female fastener, can be by pressing two elastic arm A1 in the front and back position application of force, make it break away from blocking state with the front and back perforated slot, whole fastener can be untied.

But, when this type of known fastener is desired snapping mother buckle B in pin thread spare A, only can be with vertical or narrower angle, aim at the back and peg graft, if the angle that pin thread spare A is pegged graft is not inconsistent or plug-in position is not right, can form can't snapping state, then need carry out the action of snapping once more, remove in the use that increases the user on foot and perplex, more Yi Yinchang snapping number of times is too frequent, and this fastener that weares and teares.

Moreover, when this fastener is subjected to the situation of the unexpected application of force, its main force structure is the pin thread spare A two elastic arm A1 that are abutted against the mutually interior peritreme with mother buckle B front and back perforated slot B2, but should mainly be to constitute in order to the position of being abutted against that forms the stressed supporting construction of this type of known fastener by opening following in natural bullet because of two elastic arms that contract in stressed, it is more undesirable that it is abutted against the stressed intensity in position, comes off because of stress deformation makes whole fastener easily.

Summary of the invention

Main purpose of the present utility model is to provide a kind of fastener that can arbitrarily angled snapping, outer arc side by pin thread spare two elastic arms, during grafting and internal face presses stressed each other and in advance in contract, make pin thread spare front end can slip into the inserting groove of mother buckle easily with unspecified angle.

Another purpose of the present utility model is to provide a kind of fastener that can arbitrarily angled snapping, when snapping, it is earlier stressed again when bullet is opened that this outer arc side arrives the perforated slot of mother buckle, make default clamping shoulder eject the interior peritreme of being abutted against in perforated slot, and become buckle state, strengthen the force intensity that is subjected to behind its male and female fastener snapping location.

Another purpose of the present utility model is to provide a kind of fastener that can arbitrarily angled snapping, set stop block and the clamping teat of the medial surface of its outer arc side of two elastic arms is engaged when stressed, become the drag structure when fastener links closely one, it can further be strengthened it and be subjected to force intensity.

Take off purpose on reaching, fastener that can arbitrarily angled snapping of the present utility model consists predominantly of:

One pin thread spare is provided with two elastic arms that are the state of overhanging, in the two elastic arm outer rims of extending with shape, form one can be with inserting inserting groove the outer arc side of trailing type, and form a clamping shoulder at the most end of this outer arc side;

One mother buckle, then be provided with inserting groove with these elastic arm relative positions, and mother buckle can press the internal face of above-mentioned elastic arm except that forming in inserting groove, then is provided with the perforated slot that communicates with inserting groove in its front/rear end, and forms the interior peritreme that can be abutted against mutually with shoulder;

Wherein, be provided with the extended surface of a particular area with respect to the medial surface of its outer arc side along this elastic arm, this extended surface is in being provided with an outstanding downwards stop block near the front end place, and this elastic arm front end is provided with an outstanding stop block downwards with respect to the medial surface of its outer arc side;

And be formed with the angle of splaying at the most end of this outer arc side, make the space that forms a relative angle between elastic arm, unlikely contact-impact during stressed extrusion;

This mother buckle inserting groove inside lower end place is provided with two outstanding clamping teats, and this clamping teat is used to fix the stop block of elastic arm.

And above-mentioned pin thread spare and mother buckle are provided with the end long slot bore respectively for the two opposite end portions that engage frenulum.

As mentioned above, the male and female fastener is each other during snapping, and pin thread spare is pegged graft when entering mother buckle with the angle of inclination, by outer arc side and internal face press stressed each other and go ahead of the rest in contract, make pin thread spare front end can slip into the inserting groove of mother buckle easily with unspecified angle; When tightening state, utilize clamping shoulder and then snapping to live the interior mutual fastening of peritreme and become the first road drag structure, pin thread spare and mother buckle can not come off easily, if external force continues to pull when causing the distortion of mother buckle desire, stop block and clamping teat are mutual fastening interlock and further strengthen drag, form dual drag structure indirectly, the force intensity that is subjected to of whole fastener is significantly promoted.

Description of drawings

Fig. 1 is the schematic diagram of known fastener;

Fig. 2 is decomposing schematic representation of the present utility model;

Fig. 3 is another decomposing schematic representation of the present utility model;

Fig. 4 is constitutional diagram of the present utility model;

Fig. 5 is front view of the present utility model;

Fig. 6 is snapping schematic diagram of the present utility model;

Fig. 7 is another figure snapping schematic diagram of the present utility model;

Fig. 8 is the schematic diagram behind the utility model snapping;

Fig. 9 is the schematic diagram of the stressed interlock of the utility model;

Figure 10 is separation schematic diagram of the present utility model.

Drawing reference numeral:

A.. pin thread spare

B.. mother buckle

B1.. inserting groove

A1.. elastic arm

B2.. perforated slot

10.. pin thread spare

11.. elastic arm

111.. outer arc side

112.. extended surface

113.. stop block

114.. clamping shoulder

115.... the angle of splaying

12.. elastic arm

121.. outer arc side

123.. stop block

124.. clamping shoulder

125.... the angle of splaying

13.. end long slot bore

20.. mother buckle

21.. inserting groove

22.. internal face

23.. perforated slot

231.. interior peritreme

24.. guiding groove hole

241.. clamping teat

25.. end long slot bore

The specific embodiment

At first see also Fig. 2, Fig. 3 and shown in Figure 4, the utility model is a kind of fastener that can arbitrarily angled snapping, and wherein, this fastener includes:

One pin thread spare 10, be provided with two

elastic arms

11,12 that are the state of overhanging, in two

elastic arm

11,12 outer rims of extending with shape, form one can be with inserting inserting groove 21 the outer arc side 111,121 of trailing type, and form a clamping shoulder 114,124 at the most end of this outer arc side 111,112;

One mother buckle 20, then be provided with inserting groove 21 with these

elastic arm

11,12 relative positions, and mother buckle 20 can press the internal face 22 of above-mentioned elastic arm except that forming in inserting groove 21, then be provided with the perforated slot 23 that communicates with inserting groove 21 in its front/rear end, and form the interior peritreme 231 that to be abutted against mutually with shoulder 114,124;

Wherein, be provided with the extended surface 112 of a particular area with respect to the medial surface of its outer arc side 111 along this elastic arm 11, this extended surface 112 is in being provided with an outstanding downwards stop block 113 near the front end place, and these elastic arm 12 front ends are provided with an outstanding stop block 123 downwards with respect to the medial surface of its outer arc side 121;

And be formed with the angle 115,125 of splaying at the most end of this outer arc side 111,121, make 11,12 spaces that form a relative angle of elastic arm, unlikely contact-impact during stressed extrusion; (as shown in Figure 5)

These mother buckle 20 inserting grooves 21 inside lower end places are provided with two outstanding clamping teats 241, this clamping teat 241 is used to fix the stop block 113,123 of

elastic arm

11,12, and the rear end of this clamping teat 241 digs and is provided with guiding groove hole 24, as the usefulness of the demoulding behind clamping teat 241 ejection formations.

And above-mentioned pin thread spare 10 and mother buckle 20 are provided with end long slot bore 13,25 respectively for engaging the frenulum two opposite end portions of (figure does not show).

Now please join Fig. 6 and Fig. 7, when the preliminary grafting of pin thread spare 10 (as shown in Figure 6) rake angle enters mother buckle 20, two

elastic arms

11,12 will contract because of its trailing type outer arc side 111,121 and internal face 22 press in stressed the going ahead of the rest each other, under the state of this oblique drift angle degree, make pin thread spare 10 front ends can slip into the inserting groove 21 of mother buckle 20 easily, and open at perforated slot 23 and bullet that whole outer arc side 111,121 arrives mother buckles 20, make default clamping shoulder 114,124 eject the interior peritreme 231 of being abutted against, and become buckle state in perforated slot 23.(state behind its snapping sees also shown in Figure 8)

Another characteristics of the present utility model are that promptly with an elastic arm 11 wherein be that example is illustrated, be provided with the extended surface 112 of a particular area with respect to the medial surface of its outer arc side 111 along elastic arm 11, this extended surface 112 is in being provided with an outstanding stop block 113 downwards near the front end place, this elastic arm 12 is provided with an outstanding stop block 123 downwards with respect to the medial surface of its outer arc side 121.

Cooperate the design of above-mentioned

elastic arm

11,12, these mother buckle 20 inserting grooves 21 inside lower end places are provided with two outstanding clamping teats 241, and this clamping teat 241 is used to fix the stop block 113,123 of

elastic arm

11,12.

Continue inwardly to advance in pin thread spare 10 (as shown in Figure 7), stop block 113,123 is contracted near in stressed because of two

elastic arms

11,12, when whole outer arc side 111,121 arrives perforated slots 23 and bullet and opens, and above-mentioned stop block 113,123 can be along with outside bullet is opened, and be positioned at the rear of clamping teat 241, and do not contact (as shown in Figure 8) with this clamping teat 241.

Please join shown in Figure 9, moreover, when being subjected to the unexpected application of force, pin thread spare 10 pulls and outside when mobile, the clamping shoulder 114,124 of this pin thread spare 10 peritremes 231 in the perforated slot 23 of also directly conflicting, make clamping shoulder 114,124 and interior peritreme 23 mutual fastenings, and become the structure of one drag, at this moment, this stop block 113,123 does not contact with clamping teat 241; If external force continues to pull when arriving certain strength (mother buckle 20 presents elastic force and stretches and cause distortion) again, can make this stop block 113,123 to outer displacement directly and clamping teat 241 engaged, and the power resistance strength that further strengthens, the force intensity that is subjected to of whole fastener is significantly promoted, and difficult drop-off.

And when two elastic arms 11,12 (as shown in figure 10) when desiring to dismantle fastener, then can press in outer arc side 111,121 application of forces by two

elastic arms

11,12, pin thread spare 10, mother buckle 20 are promptly along separating fast with above-mentioned opposite operation program.

The utility model is according to said structure thereby can be at the male and female fastener each other during snapping, when pin thread spare 10 enters mother buckle 20 with the angle of inclination grafting, by outer arc side 111,121 and internal face 22 press stressed each other and in advance in contract, make pin thread spare 10 front ends can slip into the inserting groove 21 of mother buckle 20 easily with unspecified angle; When tightening state, utilize 114,124 meetings of clamping shoulder and then snapping to live interior peritreme 231 mutual fastenings and become the first road drag structure, pin thread spare 10 and mother buckle 20 can not come off easily, if external force continues to pull when causing the distortion of mother buckle 20 desires, by stop block 113,123 direct these clamping teats 241 of fastening interlock, and further strengthen drag, it is dual stressed to form four resistance points indirectly, and the force intensity that is subjected to of whole fastener is significantly promoted.

Though the utility model discloses with specific embodiment; but it is not in order to limit the utility model; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present utility model and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that the utility model scope of patent protection is done.

Claims

One kind can arbitrarily angled snapping fastener, it is characterized in that including:

One pin thread spare is provided with two elastic arms that are the state of overhanging, in the two elastic arm outer rims of extending with shape, form one can be with inserting an inserting groove outer arc side of trailing type, and form a clamping shoulder at the most end of this outer arc side;

One mother buckle, be provided with above-mentioned inserting groove with described elastic arm relative position, and mother buckle can press the internal face of above-mentioned elastic arm except that forming in inserting groove, then is provided with the perforated slot that communicates with inserting groove in its front/rear end, and forms the interior peritreme that can be abutted against mutually with shoulder.
2. fastener that can arbitrarily angled snapping as claimed in claim 1, it is characterized in that: this elastic arm is provided with the extended surface of a particular area with respect to the medial surface of its outer arc side.
3. fastener that can arbitrarily angled snapping as claimed in claim 2 is characterized in that: this extended surface is in be provided with an outstanding stop block downwards near the front end place.
4. fastener that can arbitrarily angled snapping as claimed in claim 1 is characterized in that: this elastic arm front end is provided with an outstanding stop block downwards with respect to the medial surface of its outer arc side.
5. fastener that can arbitrarily angled snapping as claimed in claim 1, it is characterized in that: the most end of this outer arc side is formed with the angle of splaying.
6. fastener that can arbitrarily angled snapping as claimed in claim 1 is characterized in that: this mother buckle inserting groove inside lower end place is provided with the two outstanding clamping teats that are used to fix the elastic arm stop block.
7. fastener that can arbitrarily angled snapping as claimed in claim 1 is characterized in that: this pin thread spare is provided with the end long slot bore for one of two opposite end portions that engage frenulum.
8. fastener that can arbitrarily angled snapping as claimed in claim 7 is characterized in that: this mother buckle is provided with the end long slot bore for one of two opposite end portions that engage frenulum.