CN2285978Y - Fastener for interconnecting strap - Google Patents

Abstract

The utility model provides a fastener for interconnecting straps, which comprises a male fastener and a female fastener, wherein, the fastener tongue of the male fastener is provided with a fastener hole, and the female fastener is composed of a fastener box, a fastener plate and a reset spring, wherein, the fastener plate is provided with a clamping tenon, and an opening is formed between the fastener box and the fastener plate of the female fastener. When the fastener tongue of the male fastener is inserted into the opening between the fastener box and the fastener plate of the female fastener, the clamping tenon at the bottom of the fastener plate of the female fastener is fastened into the fastener hole of the fastener tongue of the male fastener, so that the male fastener and the female fastener are fastened mutually. As long as the free end of the fastener plate of the female fastener is pulled properly towards the reverse direction of the bottom plate of the fastener box of the female fastener, the clamping tenon of the bottom surface of the fastener plate of the female fastener can move outwards from the fastener hole of the fastener tongue of the male fastener, and the male fastener and the female fastener which are fastened can be pulled to unclasp. The utility model is convenient in use.

Description

Bracelet

The utility model relates to a kind of bracelet that is used in school bag, suitcase or safety belt etc., refers to a kind of bracelet of being convenient to untie especially.

Be generally used in the bracelet of school bag, suitcase or safety belt, as shown in Figure 1 and Figure 2, the bracelet 1 that this type of is commonly used comprises a pin thread 10 and a box 20, wherein the base portion 11 of pin thread 10 is provided with the cross bar 12 of a connection rope band, and the left side of base portion 11 mainly is provided with two button pins 13,14; Wherein the left side of box 20 is provided with the cross bar 21 of a connection rope band, and the right side of box 20 is openings 22, and the two button pins 13,14 that opening 22 can hold pin thread 10 insert, and the front and back side of box 20 all is opening-like open limits 23,24 of camber; Utilize two button pins 13,14 of extruding pin thread 10 to insert in the opening 22 of box 20, two button pins 13,14 of pin thread 10 are when passing two open limits 23,24 inner edges to box 20, two button pins, 13,14 releases of pressure of pin thread 10 open outside two of box 20 is opened limit 23,24, the outer end 131,141 of two button pins 13,14 of pin thread 10 is clamped into two open limits 23,24 of box 20 immediately, and pin thread 10 and box 20 are fastened mutually.When the user desires to untie the bracelet 1 mutual pin thread that fastens 10 with box 20,131,141 whiles of outer end of must be on two open limits 23,24 of box 20 outer two button pins 13,14 to pin thread 10 apply a suitable pressure relatively, make outer end 131,141 relative displacements of two button pins 13,14 of pin thread 10, break away from two open limit 23,24 and retraction box 20 inside of box 20 simultaneously, be drawn out outside the opening 22 of box 20 thereupon.This kind bracelet 1 commonly used is widely used in the safety belt two ends of aircraft or automobile, when the user is taken place in emergency, often because of anxiety is difficult to rapidly the pin thread 10 of bracelet 1 be untied with box 20, incurs loss through delay escape time and causes the serious casualties.Investigate its reason, when being to desire to untie the bracelet 1 mutual pin thread that fastens 10 with box 20,131,141 whiles of outer end of must be on two open limits 23,24 of box 20 outer two button pins 13,14 to pin thread 10 apply a suitable pressure relatively, make outer end 131,141 relative displacements of two button pins 13,14 of pin thread 10, two open limit 23,24 and retraction box 20 inside that break away from box 20 simultaneously, two button pins 13,14 of pin thread 10 could be drawn out outside the opening 22 of box 20 thereupon, and the pin thread 10 that bracelet 1 is fastened is mutually untied with box 20.And the user is when emergency takes place, usually because excessive nervous, can't be rapidly the outer end 131,141 of two button pins 13,14 of pin thread 10 be applied enough pressure simultaneously relatively, make the outer end 131,141 of two button pins 13,14 of pin thread 10 break away from two open limits 23,24 of box 20 simultaneously, therefore the pin thread 10 that bracelet 1 can't be fastened mutually untie and cause misfortune with box 20, and different is unfortunate.

Main purpose of the present utility model is providing a kind of bracelet of being convenient to untie rapidly.

An of the present utility model purpose providing a kind of buckle free end of pulling box towards box button casket base plate in the other direction that needs only, and the pin thread of fastening and box can be pulled the bracelet of untiing.

For realizing above-mentioned purpose, technical solution adopted in the utility model is: a kind of bracelet, comprise a pin thread and a box, the button tongue of pin thread is provided with a button hole, box is by a button casket, one buckle and a back-moving spring that is provided with tenon formed, form an opening between the button casket of box and buckle, in the button tongue of pin thread inserts the opening that forms between the button casket of box and buckle, the tenon of box buckle bottom surface is promptly detained in the button hole that snaps in pin thread button tongue, pin thread and box are fastened mutually, as long as suitably pull the free end of box buckle in the other direction towards box button casket base plate, the tenon of this buckle bottom surface promptly shifts out inside and outside the button hole of pin thread button tongue, pin thread that fastens and box can be pulled to be untied, and it is very convenient to use.

That the utility model is described in further detail is as follows below in conjunction with drawings and the specific embodiments:

Fig. 1 is the three-dimensional combination figure of bracelet commonly used.

Fig. 2 is the three-dimensional exploded view of bracelet commonly used.

Fig. 3 is the utility model embodiment three-dimensional combination figure.

Fig. 4 is the utility model embodiment three-dimensional exploded view.

Fig. 5 is the buckle bottom surface of the utility model embodiment box and the three-dimensional view of back-moving spring.

Fig. 6 is the cross section view that box is gone in the positive eye-splice of the utility model embodiment pin thread.

Fig. 7 is the cross section view that the utility model embodiment pin thread and box fasten.

Fig. 8 is the utility model pin thread and box is just untied, pin thread is just shifting out box cross section view.

As Fig. 3, Fig. 4, shown in Figure 5, the bracelet 3 of the utility model embodiment comprises a pin thread 30 and a box 40; The base portion 31 of pin thread 30 is provided with two cross bars 32,33, and base portion 31 1 sides of pin thread 30 are provided with a button tongue 34, and the front end of button tongue 34 forms an inclined-plane 341, and inclined-plane 341 inner edges of button tongue 34 front ends are provided with a button hole 35; Box 40 comprises button casket 41, one buckles 42 and a back-moving spring 43; Wherein detain corresponding two side walls 412,413 that form in base plate 411 2 limits of casket 41, the one end connection of two side walls 412,413 is provided with a cross bar 414, the corresponding surface of two side walls 412,413 is respectively established a chute 415,416, an axis hole 417,418 is respectively established in two chutes, 415,416 belows, near establish a nose bar 419, two side walls 412,413 axis hole 418 of side wall 413 inner faces corresponding surface forms a parallel sliding track 410; Wherein a fulcrum 422,423 is respectively established in base portion 421 both sides of buckle 42, and a tenon 425 is established in free end 424 bottom surfaces of buckle 42, and tenon 425 inner edges are an inclined-plane; Wherein the two ends of back-moving spring 43 respectively form an end hook 431,432, and back-moving spring 43 is fulcrum 423 outer rims that are sleeved on buckle 42, and an end hook 431 fasteners of back-moving spring 43 are (figure does not draw) in the base portion 421 of buckle 42; The fulcrum 422,423 of base portion 421 both sides of buckle 42 is clamp-oned two side walls, 412, the 413 obverse corresponding chutes 415,416 of button casket 41 simultaneously respectively, and slip into the corner respectively and close in the axis hole 417,418 under corresponding chute 415,416; Another end hook 432 fasteners of back-moving spring 43 of fulcrum 423 outer rims that will be sleeved on buckle 42 again are on the nose bar 419 of side wall 413, the elasticity tension that utilizes back-moving spring 43 to disengage, make free end 424 bottom surfaces of buckle 42 often keep being close on the parallel sliding track 410 of two side walls, 412, the 413 corresponding surfaces formation of detaining casket 41, so form box 40; Then forming an opening between the base portion 421 of the base plate 411 of the button casket 41 of box 40 and two side walls 412,413 and buckle 42 can insert for the tongue 34 of buckleing of pin thread 30.

As Fig. 3～shown in Figure 8, when desire fastens the pin thread 30 of bracelet 3 mutually with box 40, the button tongue 34 of pin thread 30 promptly inserts from the opening of box 40, and push two side walls 412 that enter box 40 along buckle 42 bottom surfaces of box 40, parallel sliding track 410 inner edges that 413 corresponding surfaces form, when the tenon 425 of inclined-plane 341 leading edge cunnings through buckle 42 bottom surfaces of box 40 of button tongue 34 front ends of pin thread 30 is the inner edge on inclined-plane, the free end 424 of buckle 42 is slightly upwards propped up, when button hole 35 leading edges set on the button tongue 34 of pin thread 30 slip over the trailing edge of tenon 425 of buckle 42 of box 40, the tenon 425 of buckle 42 bottom surfaces of box 40 is suspended on button hole 35 tops of the button tongue 34 of pin thread 30, buckle 42 is close on the parallel sliding track 410 of buckleing casket 41 by back-moving spring 43 release pressure effects answer, the tenon 425 of buckle 42 bottom surfaces is also detained on the button tongue 34 that snaps in pin thread 30 in the set button hole 35, forms the states that pin thread 30 and box 40 fasten mutually.

When the bracelet 3 that desire fastens pin thread 30 and box 40 is mutually untied, the user needs only the free end 424 of the buckle 42 of box 40 is pulled in the other direction towards the base plate 411 of button casket 41, the tenon 425 that makes buckle 42 bottom surfaces moves with the free end 424 of buckle 42 and shifts out outside the button hole 35 set on the button tongue 34 of pin thread 30, the pin thread 30 and the box 40 that fasten can be pulled to be untied, quite convenient.

The main advantage of the utility model is the user as long as the free end 424 of the buckle 42 of box 40 is suitably pulled towards the base plate 411 of button casket 41 in the other direction, the tenon 425 that makes buckle 42 bottom surfaces moves with buckle 42 and shifts out on the button tongue 34 of pin thread 30 outside the set button hole 35, the pin thread 30 that bracelet 3 fastens mutually promptly is pulled rapidly with box 40 and unties, move easy, certain, unexpected wrong.

The above act person of institute only is a preferred embodiment of the present utility model, and unrestricted the utility model, can do various distortion of all imitating in the scope that does not break away from the utility model spirit, modify and use, all this ought still be included within the technical solutions of the utility model scope.

Claims (5)

1, a kind of bracelet comprises a pin thread and a box, and it is characterized in that: the base portion of pin thread is provided with two cross bars, and base portion one side of pin thread is provided with a button tongue, and the front end of button tongue forms an inclined-plane, and the inclined-plane inner edge of button tongue front end is provided with a button hole; Box wherein comprises button casket, a buckle and a back-moving spring.

2, bracelet as claimed in claim 1, it is characterized in that: corresponding two side walls that form in base plate two limits of the button casket of described box, the one end connection of two side walls is provided with a cross bar, the corresponding surface of two side walls is respectively established a chute, an axis hole is respectively established in this two chutes below, wherein establish a nose bar near the axis hole of a side wall inner face, the corresponding surface of two side walls forms a parallel sliding track.

3, bracelet as claimed in claim 1 is characterized in that: a fulcrum is respectively established in the base portion both sides of the buckle of described box, and a tenon is established in the free end bottom surface of buckle, and this tenon inner edge is an inclined-plane.

4, bracelet as claimed in claim 1 is characterized in that: the back-moving spring two ends of described box respectively form an end hook.

5, bracelet as claimed in claim 1 is characterized in that: the button casket of described box and buckle and back-moving spring, and wherein back-moving spring is a fulcrum outer rim that is sleeved on buckle, an end hook of this back-moving spring is buckled in the buckle; The fulcrum of the base portion both sides of buckle is clamp-oned the obverse corresponding chute of two side walls of button casket simultaneously respectively, and slip into the corner respectively and close in the axis hole under corresponding chute, the end hook fastener of back-moving spring of fulcrum outer rim that is sleeved on buckle is on the nose bar of a side wall of buckleing casket, the elasticity tension that utilizes back-moving spring to disengage makes the free end bottom surface of buckle often keep being close on the parallel sliding track of the two side wall corresponding surfaces formation of buckleing casket, so forms box; Wherein then be split into an opening between the base portion of the base plate of the button casket of box and two side walls and buckle, this opening can insert for the button tongue of pin thread.

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