CN2511163Y

CN2511163Y - Claw-like no-sew snap

Info

Publication number: CN2511163Y
Application number: CN 01278020
Authority: CN
Inventors: 黄文远
Original assignee: Hua Lian Garment Component Enterprise Co ltd
Current assignee: Hua Lian Garment Component Enterprise Co ltd
Priority date: 2001-12-11
Filing date: 2001-12-11
Publication date: 2002-09-18
Anticipated expiration: 2011-12-11

Abstract

The utility model discloses a claw type tetrad button, comprising a positive fastener and a negative fastener. The positive fastener comprises a button panel and a bead comprising a disk shaped base and a convex pole at one side thereof. The negative fastener comprises a button panel and a sling comprising a disk shaped base provided with a through hole in the center and a button foot embed in a groove ring at one side of the disk shaped base. The outward convex lip of the positive fastener convex pole can match with and clasp with the inward convex lip of the through hole on the negative fastener. The utility model adopts a claw type connecting claw and has the advantages of easy fixation of the button panel and the button foot on a finery with no need of large strength, firm connection, high matching precision, easy clasping and unclasping when in use so as to avoid damaging the finery and shedding of the button and increase button service life greatly.

Description

Pawl type four-part button

Technical field

The utility model relates to a kind of snap-fastener, and particularly a kind of pawl type four-part button is mainly used in clothing products.

Background technology

At present the snap-fastener that uses is generally two kinds of metal snap-fastener and plastic-steel (polyacetals) snap-fasteners, the metal snap-fastener often is shaped with cold punching and drawing, its size particularly matching part dimensional accuracy is difficult to control, causing four-part button is not to be difficult to fasten, fastening is easy to get loose exactly, even by force with its fastening, will produce difficulty again when triping thereafter, dial from clothing products will be torn if trip energetically, snap-fastener cooperates elasticity also to be difficult to be guaranteed.And the plastic-steel snap-fastener is compared with the metal snap-fastener, although have more advantage, but plastic-steel buckle side face pin is when when catapult or pearl rivet clasp are on products such as dress ornament, often because of misoperation, cause the fracture of face pin, in use simultaneously, there is face pin fracture (due to the residual stress) to cause four-part button to come off the time and influences the normal use and the life-span of product from products such as dress ornaments.

Summary of the invention

Order of the present utility model is exactly the pawl type four-part button easy, long service life that a kind of quality of fit height just is provided, fastens and trips.

To achieve these goals, the technical solution of the utility model is: comprise positive fastener and cloudy fastener, described positive fastener comprises buckle side and pearl, and the groove in this buckle side inboard is embedded with the button core, in the middle of this button core the boss ring is arranged, and there is the circular arc crimping at the edge; Described pearl is made of the projection of disc-shaped base and one side, in this outer, projection end ring-type evagination lip is arranged, at the opposite side of described pedestal the scrobicular ring of concentric is arranged, it is embedded with the button pin, is evenly equipped with 3-8 vertical connection pawl on the annular chassis of this button pin; Described cloudy fastener comprises buckle side and catapult, described buckle side is identical with the buckle side of described positive fastener, described catapult is made of the disc-shaped base and the pin of buckleing that is embedded in the one side scrobicular ring, this button pin is identical with the button pin of described positive fastener, at the center of described pedestal one through hole is arranged, the convex lip along circumference is arranged in the inboard of this through hole; Connection pawl on the described button pin embeds in the crimping at button core edge of described buckle side one side, cooperatively interacts by the convex lip of the through hole of the evagination lip of the projection of positive fastener and cloudy fastener, to reach the mutual fastening of catapult and pearl.

There is the dome blind hole of diameter less than the opposite side projection at the center of pearl one side of described positive fastener, is sphere on the top of described projection, in its outer the evagination lip is arranged; The outward flange of inlaying the scrobicular ring of button pin at described pedestal has inside flanging, and this flanging is pressed on the chassis of described button pin.

Convex lip edge at the through hole of described cloudy fastener pellet shot from a slingshot is the interior string of a musical instrument of this through hole, is evenly equipped with in its periphery and described convex lip arcuation mounting hole one to one; There is inside flanging at the scrobicular ring edge that described pellet shot from a slingshot pedestal is inlayed the button pin, and this flanging is pressed on the chassis of described button pin.

Described buckle side, pearl pedestal and projection, catapult pedestal are made by the plastic-steel material, the button core of described buckle side, buckle pin and make by metal material.

Connection pawl on the described button pin has 5, and its top is a wedge angle.

The utility model adopts the pawl type to connect pawl, does not need very strong strength just button pin and buckle side can be fixed on the dress ornament, and is connected firmly, the quality of fit height, it fastens and trips easily during use, does not damage the problem that dress ornament or button come off so can not cause, and has prolonged the life-span greatly.

Further specify below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is the general structure cutaway view of positive fastener of the present utility model and cloudy fastener;

Fig. 2 is the cutaway view of buckle side of the present utility model;

Fig. 3 is the structural representation of the pearl of positive fastener of the present utility model, and wherein a figure is axial cutaway view; B figure is the vertical view of a figure;

Fig. 4 is the structural representation of cloudy fastener catapult of the present utility model, and wherein a figure is axial cutaway view; B figure is the vertical view of a figure;

The specific embodiment

Referring to Fig. 1, the utility model comprises positive fastener A and cloudy fastener B, and this sun fastener A is entrenched togather by buckle side 1 and pearl 2, is dress ornament fabric 3 between the two, at the opposite side of pearl 2 projection 21 is arranged; Described cloudy fastener B is a dress ornament fabric 3 by buckle side 1 and catapult 4 chimeric forming between the two, and the through hole 41 that cooperates with described projection 21 is arranged at the center of catapult 4, buckles into the purpose that through hole 41 is realized fastening by projection 21.

Referring to Fig. 2, the groove 11 in the inboard of this buckle side 1 is embedded with button core 12, and there is boss ring 13 centre of this button core 12, and there is circular arc crimping 14 at the edge, and the section of detaining core 1 resembles a corrugated curve.

Referring to Fig. 3, described pearl 2 is made of the projection 21 of disk pedestal 22 and one side, at the opposite side of pedestal 22 scrobicular ring 23 with its concentric is arranged, it is embedded with the annular chassis 241 of button pin 24, be evenly equipped with 5 vertical connection pawls 242 at its edge, its top is a wedge angle, so as with buckle side 1 and dress ornament fabric 3 mutually during rivet clasp, this wedge angle can pierce through dress ornament fabric 3 smoothly.There is the dome blind hole 25 of diameter less than opposite side projection 21 at the center of pearl 2 one sides of described positive fastener A, to increase that catapult 4 fastens or elasticity when triping.On the top of described projection 21 is sphere, in its outer evagination lip 26 is arranged, and its effect is to make (see figure 4) in the convex lip of its through hole that can be stuck in catapult 4 41 44.The outward flange of inlaying the scrobicular ring 23 of button pin at described pedestal 22 has inside flanging 27, and this flanging is pressed on the chassis 241 of described button pin 24, so that the two is connected firmly, this scrobicular ring 23 is also accurately located for button pin 24, makes itself and pedestal keep concentric.

Referring to Fig. 4, described catapult 4 is made of the disc-shaped base 42 and the pin 43 of buckleing that are embedded in the one side scrobicular ring 47, this button pin 43 is identical with the button pin 24 of described positive fastener, one through hole 41 is arranged at the center of described pedestal 42, convex lip 44 along circumference is arranged in the inboard of this through hole, the convex lip 44 of this embodiment has 5, is used for blocking when fastening with positive fastener 2 the evagination lip 26 at projection 21 edges.

Be evenly equipped with in the periphery of described through hole 41 and described convex lip 44 5 arcuation mounting holes 45 one to one, to increase the radial elastic of convex lip 44.There is inside flanging 46 at the edge that described pellet shot from a slingshot pedestal 42 is inlayed the scrobicular ring 47 of button pin, and this flanging is pressed on the chassis of described button pin 43.

Scrobicular ring 47 also is used for button pin 43 is positioned at and pedestal 42 same axle center exactly simultaneously.

Buckle side 1 of the present utility model, pearl pedestal 22 and projection 21, catapult pedestal 42 are made by the plastic-steel material, the button core 12 of described buckle side 1, buckle pin 24 and 43 and make by metal material.

The utility model is when assembling, use special-purpose dotter and mould that the pawl of buckleing on the pin 24 and 43 that is connected of positive fastener A and cloudy fastener B is passed dress ornament fabric 3 and embeds in the crimping 14 of buckleing core 12 edges of buckle side 1 one sides, make to connect pawl, make itself and buckle side strong bonded together along crooked in this crimping 14.

The shape of plastic-steel spare before moulding represented in double dot dash line among Fig. 2-4.

Claims

1, a kind of pawl type four-part button comprises positive fastener and cloudy fastener, it is characterized in that: described positive fastener comprises buckle side and pearl, and the groove in this buckle side inboard is embedded with the button core, in the middle of this button core the boss ring is arranged, and there is the circular arc crimping at the edge; Described pearl is made of the projection of disc-shaped base and one side, in this outer, projection end ring-type evagination lip is arranged, at the opposite side of described pedestal the scrobicular ring of concentric is arranged, it is embedded with the button pin, is evenly equipped with 3-8 vertical connection pawl on the annular chassis of this button pin; Described cloudy fastener comprises buckle side and catapult, described buckle side is identical with the buckle side of described positive fastener, described catapult is made of the disc-shaped base and the pin of buckleing that is embedded in the one side scrobicular ring, this button pin is identical with the button pin of described positive fastener, at the center of described pedestal one through hole is arranged, the convex lip along circumference is arranged in the inboard of this through hole; Connection pawl on the described button pin embeds in the crimping at button core edge of described buckle side one side, and the convex lip on the evagination lip of the projection of described positive fastener and the through hole of cloudy fastener matches and merges and can snap together.

2, pawl type four-part button according to claim 1 is characterized in that: there is the dome blind hole of diameter less than the opposite side projection at the center of pearl one side of described positive fastener, is sphere on the top of described projection, in its outer the evagination lip is arranged; The outward flange of inlaying the scrobicular ring of button pin at described pedestal has inside flanging, and this flanging is pressed on the chassis of described button pin.

3, pawl type four-part button according to claim 1 is characterized in that: at the convex lip edge of the through hole of the described cloudy fastener pellet shot from a slingshot interior string of a musical instrument for this through hole, be evenly equipped with in its periphery and described convex lip arcuation mounting hole one to one; There is inside flanging at the scrobicular ring edge that described pellet shot from a slingshot pedestal is inlayed the button pin, and this flanging is pressed on the chassis of described button pin.

4, according to claim 1,2 or 3 described pawl type four-part buttons, it is characterized in that: described buckle side, pearl pedestal and projection, catapult pedestal are made by the plastic-steel material, the button core of described buckle side, buckle pin and make by metal material.

5, according to claim 1,2 or 3 described pawl type four-part buttons, it is characterized in that: the connection pawl on the described button pin has 5, and its top is a wedge angle.