CN201986841U

CN201986841U - Necklace lock catch

Info

Publication number: CN201986841U
Application number: CN2011200754284U
Authority: CN
Inventors: 王亚莉
Original assignee: SHENZHEN FULI INDUSTRY CO LTD
Current assignee: SHENZHEN GOFU GOLD CO., LTD.
Priority date: 2011-03-15
Filing date: 2011-03-15
Publication date: 2011-09-28
Anticipated expiration: 2021-03-15

Abstract

The utility model discloses a novel necklace lock catch, which comprises a male fastener, a female fastener and a spring. A convex pin is arranged at the inner end of the male fastener, a L-shaped clamp groove is concavely arranged on the surface side of the front end of the convex pin and consists of an inclined guide-in groove and an inclined stopping groove, and the rear end of the inclined guide-in groove is bent and extends to form the inclined stopping groove. A hollow sleeve which corresponds to the convex pin at the inner end of the male fastener is sleeved at the inner end of the female fastener, the inner wall of the front end of the sleeve is arranged on a clamp ball which slides and is clamped in the L-shaped clamp groove of the male fastener, and the spring is assembled in the sleeve at the inner end of the female fastener and abutted onto the clamp ball. The necklace lock catch has the advantages that the necklace lock catch not only is simple in manufacturing and processing, but also is convenient in use.

Description

A kind of Necklace fastener

Technical field

The utility model belongs to jewelry parts, particularly a kind of novel Necklace fastener.

Background technology

Existing Necklace fastener is to be made up of pin thread 10, box 20 and spring 202, as shown in Figure 5.During winding, be connected with elongate body such as chain or line 30 two ends respectively, to constitute necklace with pin thread 10 and box 20 outer ends.Projection 101 is established in pin thread 10 the inners, and establishes card ditch 102 in projection 101 front-end table sides, and card ditch 102 is to be by the axial importing ditch 103 that is connected in regular turn, radially to accept L shaped that ditch 104 and axial fastening ditch 105 constitute.Box 20 the inners are the hollow form sleeve 201 corresponding and sheathed with the inner projection of pin thread 10 101, and sleeve 201 front inner wall are established card grain 203.Spring 202 is mounted in the box 20 inner sleeves 201, and supports to be stuck on the card grain 203 and locate.

When wearing necklace, elongate body 30 is suspended from the front, and after pin thread 10 and box 20 extended neck respectively; When fastening pin thread 10 and box 20, corresponding and be sleeved on the projection 101 of pin thread 10 with the sleeve 201 of box 20 as shown in Figure 6, and with card grain 203 it in the importings of sliding of the importing ditches 103 of projection 101 card ditches 102, so that projection 101 elastic compression springs 202; Then, as shown in Figure 7,, card grain 203 is slided in accepting ditch 104 again with box 20 and pin thread 10 relative backward rotation one strokes; As shown in Figure 8, decontrol pin thread 10, because the elastic-restoring force of spring 202,, the card grain 203 of box 20 is slided in fastening ditch 105 and only block the projection 101 outside contacts of pin thread 10.Can fasten pin thread 10 and box 20 like this.

This existing Necklace fastener is being made, when using, is also being had following shortcoming:

1, pin thread 10 projections 101 surfaces need be arranged with L-shaped card ditch 102, long processing time.

2, because the user operates pin thread 10, box 20 when wearing necklace often behind neck, because card ditch 102 is L-shaped, so when fastening pin thread 10 and box 20, operation is trouble.With the projection 101 of pin thread 10 and sleeve 201 fits of box 20, after card grain 203 is slided in importing ditch 103, need pin thread 10 and box 20 relative counter-rotating one strokes, card grain 203 is slided in accepting ditch 104, utilize spring 202 with pin thread 10 outer tops again, card grain 203 is slided and card fastening position in fastening ditch 105.

Summary of the invention

At above-mentioned the deficiencies in the prior art, the utility model provides a kind of processing novel Necklace fastener simple, easy to use of making.

For achieving the above object, the utility model adopts following technical scheme: a kind of Necklace fastener comprises pin thread, box and spring; Its difference is that projection is established in pin thread the inner, and is arranged with in projection front-end table side and is √ shape Ka Gou; The inclination fastening ditch that √ shape Ka Gou system imports ditch by inclination and the importing ditch rear end bending of tilting certainly extends constitutes; Box the inner is and the corresponding and sheathed hollow form sleeve of the inner projection of pin thread that the barrel forward end inwall is located at and is slided in the pin thread √ shape card ditch and card card grain only; Groups of springs is located in the inner sleeve of box, and to being stuck on the card grain.

During the utility model winding, be connected with elongate body two ends such as chain or lines respectively, to constitute necklace with pin thread and box outer end.When wearing necklace, elongate body is suspended from the front, and after pin thread and box extended neck respectively; And corresponding and be sleeved on the projection of pin thread with the sleeve of box, and make card grain it on import the ditch importing of sliding of taking advantage of a situation in the inclination of projection front-end table side Ka Gou, so that the projection elastic compression spring; After slipping over the turning that tilts to import ditch and inclination fastening ditch when card grain, decontrol pin thread, because the elastic-restoring force of spring,, the card grain of box is taken advantage of a situation slip into inclination fastening ditch interior and block the fastening position the outside contact of the projection of pin thread; Ka Gou system is simple √ shape, so make weak point process time; During operation, need not relatively rotate the male and female button, so operation is simpler and easy, quick.

The good effect of utility model is: not only make processing simply, and also easy to use.

Description of drawings

Fig. 1 is the utility model decomposition texture schematic isometric.

Fig. 2 is the utility model snapping process schematic diagram (the fit male and female is buckled).

Fig. 3 is the utility model snapping process schematic diagram (the card grain is positioned at the turning).

Fig. 4 is the utility model snapping process schematic diagram (discharging card fastening position).

Fig. 5 is existing Necklace fastener decomposition texture schematic isometric.

Fig. 6 is existing Necklace fastener snapping action schematic diagram (the fit male and female is buckled).

Fig. 7 is existing Necklace fastener snapping action schematic diagram (relatively rotating male and female buckles).

Fig. 8 is existing Necklace fastener snapping action schematic diagram (discharging pin thread card fastening position).

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further.As shown in Figure 1, the utility model comprises pin thread 1, box 2 and spring 22, projection 11 is established in pin thread 1 the inner, and is arranged with in projection 11 front-end table sides and is √ shape card ditch 12, and √ shape card ditch 12 is by tilting to import ditch 121 and constituting from tilting to import the inclination fastening ditch 122 that the bending of ditch 121 rear ends extends.Box 2 the inners are the hollow form sleeve 21 corresponding and sheathed with the inner projection of pin thread 1 11, and sleeve 21 front inner wall are established card grain 23.Spring 22 is mounted in the box 2 inner sleeves 21, and supports to be stuck on the card grain 23 and locate.

During winding, be connected with elongate body such as chain or line 3 two ends respectively, to constitute necklace with pin thread 1 and box 2 outer ends.When wearing necklace, elongate body 3 is suspended from the front, and after pin thread 1 and box 2 extended neck respectively; When desire fastens pin thread 1 and box 2, as shown in Figure 2, corresponding and be sleeved on the projection 11 of pin thread 1 with the sleeve 21 of box 2, and make card grain 23 it on import ditch 121 importing of sliding of taking advantage of a situation in the inclinations of projection 11 front-end table side card ditches 12, so that projection 11 elastic compression springs 22; Subsequently, as shown in Figure 3, Figure 4, slip over the turning of importing ditch 121 and inclination fastening ditch 122 when card grain 23 after, decontrol pin thread 1, because the elastic-restoring force of spring 22, with the projection 11 outside contacts of pin thread 1, the card grain 23 of box 2 is taken advantage of a situation slip in the inclination fastening ditch 122 and block the fastening position.Can fasten pin thread 1 and box 2.

The above is embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.

Claims

1. a Necklace fastener comprises pin thread, box and spring; It is characterized in that projection is established in described pin thread the inner, and be arranged with in projection front-end table side and be √ shape Ka Gou; The inclination fastening ditch that √ shape Ka Gou system imports ditch by inclination and the importing ditch rear end bending of tilting certainly extends constitutes; Box the inner is and the corresponding and sheathed hollow form sleeve of the inner projection of pin thread that the barrel forward end inwall is located at and is slided in the pin thread √ shape card ditch and card card grain only; Groups of springs is located in the inner sleeve of box, and to being stuck on the card grain.