CN103732095A

CN103732095A - Extendable clasp for a bracelet in particular for a watch

Info

Publication number: CN103732095A
Application number: CN201280032749.3A
Authority: CN
Inventors: G·勒格
Original assignee: THI TECHNOLOGIES HORLOGERES INDUSTRY SA
Current assignee: THI TECHNOLOGIES HORLOGERES INDUSTRY SA
Priority date: 2011-06-30
Filing date: 2012-06-14
Publication date: 2014-04-16
Anticipated expiration: 2032-06-14
Also published as: EP2725937B1; CH705149A1; WO2013001337A1; CH705149B1; ES2568914T3; CN103732095B; EP2725937A1; JP2014523774A; US20140130545A1; HK1195998A1

Abstract

The present invention relates to a clasp having a folding buckle for a bracelet in order to adjust the length of the bracelet. This clasp comprises: a central support (1); a first and a second pivoting leaf (2a, 2b) which are articulated on the respective ends of the central support (1) and being able to be folded over the latter; means (14, 16, 17, 19, 22) for closing and opening the clasp, said means being arranged so as to lock the first and second pivoting leaves (2a, 2b) against the central support (1) and to unlock said first and second pivoting leaves (2a, 2b) from the central support (1) in order that they can be unfolded; at least one of a first fastener (6a) secured to the first pivoting leaf (2a) and arranged so as to be connected to a first strand of the bracelet, and a second fastener (6b) secured to the second pivoting leaf (2b) and arranged so as to be connected to a second strand of the bracelet. The clasp according to the invention also comprises a fastener body (4) arranged on at least one of the first and second pivoting leaves (2a, 2b), the or each first and second fastener (6a, 6b) being connected to the corresponding fastener body (4) which is able to be moved in the length direction of the corresponding pivoting leaf (2a, 2b) in order to be locked in various positions along said leaf (2a, 2b).

Description

Be used in particular for the deployable hasp of the wrist strap of wrist-watch

Technical field

The present invention relates to wrist strap field, especially for the wrist strap of wrist-watch.More particularly, it relates to a kind of wrist strap hasp, has the deployable button of energy accurate adjustment wrist belt length.

Background technology

Have deployable button to snap over its aesthetic aspect be well-known.These hasps are generally used for chain nodular wrist strap.In this case, wrist belt length be generally by retailer according to wearer's wrist size by adding or removing one or more chain links and adjust.This adjustment is generally unalterable, does not consider the wrist girth difference after depending on the heat of surrounding environment and/or wearer makes an effort.Yet, observe, because wrist sizes changes with environment temperature is high or low, conventionally need to carry out this adjustment.Temperature during the broiling summer, if can not adjust, wrist strap may fetter wrist.On the contrary, in the winter time, same wrist strap can be at wrist upper rotary.

There are several watchbands to be provided with to make wrist-watch wearer self can only regulate according to environment the system of the length of several millimeters.These hasps are documented in, particularly, open source literature US5927577, JP59108411, EP1716776, EP1378185, EP1943917, EP1920673, or even in WO2008064931.

As example, in open source literature US5927577, disclosed device comprises bolt, one end of this bolt is hinged on one end of a chain of wrist strap, the other end of described bolt is provided with bar, this bar can be positioned in by a plurality of holes along case side edge placement housing inner side, and the main inconvenience of this device comes from need to open the length that hasp regulates wrist strap.

JP59108411 relates to a kind of hasp of deployable button, has two bands, and it comprises the first and second bands that are relative to each other hinged on one end, and the hinged lid that is located at the second end of the first band, and described lid is connected to article one chain of wrist strap.One roughly rectangular opening along the longitudinal axis of the second band, extend.The longitudinal edge of this opening is provided with a concave part, and this concave part matches with fastener, and the support of this fastener and deployable button is affixed, and this support is connected to the second chain of wrist strap.Described fastener comprises two tightening members, will be positioned in one of the groove of each concave part of opening of the second band, to lock it in required adjustment position with respect to the support of described band.This fastener also comprises a button, operates this button each tightening member of respective slot portion is disengaged, to can regulate the length of watchband.When button is no longer activated, each tightening member is arranged in another groove of arbitrary concave part, second locking is adjusted to position at another with respect to support bar.According to the example of US5927577, be necessary to open the length that hasp crown cap regulates wrist strap, this makes complicated operation.

EP1716776 discloses a kind of for regulating the device of wrist belt length, is intended to especially improve the problems referred to above.This device comprises a lid, and its inside can the slide hinged bolt in wrist strap one end.This bolt comprises for pre-determined bit and fastening device, with delivery system compounding practice, thereby adjusts the length of wrist strap, and needn't open described wrist strap, adjusts.According to the information in EP1716776, this adjusting device will be arranged on rigidity link wrist strap, and its two ends are provided with the hasp of the hinge strip with expansion.Therefore, this device is not suitable for the wrist strap of leather or other flexible material, and a chain of this device will be arranged on by assembly, and this assembly has the tongue piece for coarse adjustment wrist belt length.

Document EP1378185 has proposed a kind ofly have the deployable hasp of buckleing, and has two bands, and this hasp has solved the problems referred to above.Two bands of hasp are at one end hinged each other, and its other end is connected respectively to lid, is connected to a chain of wrist strap and the mobile bolt being connected with another chain of wrist strap.Mobile bolt is arranged in container, and its inside is provided with the adjusting device of adjusting wrist belt length.These adjusting devices comprise two tightening members that are arranged as the operation that is fitted to each other, and the groove part of indent pattern is positioned at the horizontal medial surface along container.The lateral outer side face of container is provided with two buttons, when they activated, the tightening member of groove part is disconnected, thereby can adjust the length of wrist strap.

Summary of the invention

The object of the invention is to propose a kind of deployable hasp for wrist strap of different editions, its advantage is, when hasp is positioned at closing position, and length that can accurate adjustment wrist strap, and be applicable to being arranged on and have in wrist strap chain link or that made by leather.

According to the present invention, this object is to realize by a kind of wrist strap hasp that can regulate wrist belt length with deployable button.This hasp comprises: central bracket; The first and second pivot connecting strips, are hinged on respectively the two ends of central bracket, and can close on support; For opening and closing the device of hasp, be set to central bracket relatively and lock the first and second pivot connecting strips, and the first and second pivot connecting strips described in relative central bracket release; At least one in the first connector and the second connector, the first connector and the first pivot connecting strip are affixed and be set to be connected to the first chain of wrist strap, and the second connector and the second pivot connecting strip are affixed and be set to be connected to the second chain of wrist strap.According to hasp of the present invention, also comprise the connection main body at least one that is arranged on the first and second pivot connecting strips.Described connector or each the first and second connector are connected to corresponding connection main body, and connecting main body can be along the vertically moving of corresponding pivot connecting strip, thus the diverse location being locked in along described pivot connecting strip.

Accompanying drawing explanation

By reading the description of preferred embodiment and more clearly finding out feature of the present invention with reference to schematic diagram, preferred embodiment only provides by way of example rather than is restrictive, in figure:

-Fig. 1 shows the exploded view for the deployable hasp of buckleing of having of watchband according to a preferred embodiment of the present invention;

-Fig. 2 shows when the first and second pivot connecting strips extend the perspective view from hasp below;

-Fig. 3 illustrates the plane of hasp when the first and second pivot connecting strips close in central bracket;

-Fig. 4 illustrates Fig. 3 along the cutaway view in A-A cross section, and wherein, the first and second connectors are all in the first adjustment position;

-Fig. 5 shows the side view of hasp side, and wherein, the first and second connectors are all in the second adjustment position;

-Fig. 6 shows Fig. 3 along the cutaway view in H-H cross section;

-Fig. 7 shows Fig. 4 along the cutaway view in B-B cross section;

-Fig. 8 shows the exploded view that comprises a pivot connecting strip that connects main body;

-Fig. 9 shows the plane of the assembling pivot connecting strip of Fig. 8 when connection main body is arranged in the first adjustment position;

-Figure 10 shows Fig. 9 along the profile in C-C cross section;

-Figure 11 shows the plane of pivot connecting strip when connection main body is positioned at the second adjustment position;

-Figure 12 shows Figure 11 along the cutaway view in D-D cross section.

The specific embodiment

Hasp according to the present invention makes it possible to effectively adjust the length of wrist strap.Particularly from Fig. 1 to 3, can find out, this hasp is the extensible button-type of three formulas, and comprises the first and second pivot connecting strip 2a that are hinged on central bracket 1 two ends around

axle

3,2b, thereby the first and second pivot connecting strips support 1 and be closed and lock relatively.Wrist strap is elongated along the longitudinal direction, and slightly curves inwardly, to adapt with the wrist shape of wearer better.

Each

pivot connecting strip

2a, 2b has the cavity 5 of rectangle, and cavity inside is provided with and connects main body 4.Pivot connecting strip one end comprises the button 6a of the bar that is respectively used to receive the first chain and the second chain, 6b, and described the first chain and the second chain form wrist strap (not shown).It is interior along each pivot connecting strip 2a that each connection main body 4 is provided in cavity 5, the

longitudinal edge

2,2 of 2b ' movement, thus can with respect to corresponding pivot connecting strip, be locked in the different positions of adjusting by locking device.When hasp according to the present invention is assembled to wrist strap, and two connect main body 4 and in cavity, are moving separately along the longitudinal direction of corresponding pivot connecting strip, thereby while being locked in the position that approaches support 1 (Fig. 4) center, the contraction in length of wrist strap, and when connection main body 4 moves along central bracket 1 (Fig. 5) side directions, wrist belt length extends.

Each locking device that connects main body 4 has bolt 7, and this bolt 7 is connected to each

pivot connecting strip

2a, and 2b is also set to use together with corresponding connection main body 4.Bolt 7 can occupy respectively the first and second axial locations.When bolt 7 is positioned at one of them axial location, connect main body 4 and be locked in a position in a plurality of adjustment position, and when bolt 7 is positioned at another position of two axial locations, these main body 4 releases.In rear a kind of configuration, connecting main body 4 can be along corresponding pivot connecting strip 2a in cavity 5, and the

longitudinal edge

2,2 of 2b ' slip is adjusted position to arrive another.

More specifically, particularly with reference to Fig. 7 and Fig. 8, bolt 7 is arranged to pass pivot connecting strip 2a along the perpendicular axle of the displacement with being connected main body 4, the

longitudinal edge

2,2 of 2b ' and described connection main body 4.Therefore, connect main body 4 and comprise elongated opening 8 (Figure 10), its thickness is slightly larger than the diameter of bolt 7 middle bodies, so that connect main body 4 in the interior movement of cavity 5 of pivot connecting strip.Preferably, the bottom of opening 8 and top all comprise three

groove

9a, and 9b, 9c, specifically as shown in Fig. 8 and Figure 12.When bolt 7 is arranged in of two axial locations (Fig. 7), these grooves are for holding the projection 7a that is positioned at bolt 7 middle body one sides, and then connect main body 4 with respect to pivot connecting strip locking.When bolt 7 is arranged in another axial location of two axial locations, projection 7a departs from from connecting main body 4, so as described main body 4 relatively pivot connecting strip move to another adjustment position.The two ends of bolt 7 hold button, press arbitrary end of described button, make bolt 7 be directed to any one of two axial location.

Ratchet 10 is arranged on each pivot connecting strip 2a, two

longitudinal edges

2,2 of 2b ' each on, preferably be positioned at corresponding three grooves 11 that are connected in main body 4 and be combined with.Before corresponding bolt 7 moves from any one position of two axial location, these ratchets 10 can connect each main body 4 and becheduled for one of a plurality of adjustment position, will connect body lock to corresponding pivot connecting strip.

See Fig. 1 to Fig. 3, the central bracket 1 of hasp comprises two side structures 12,12 ' again, and its medial surface comprises otch 13, and when pivot connecting strip is closed with respect to described support 1, otch 13 is used for holding each pivot connecting strip 2a, any one end of the bolt 7 of 2b.For locking/unlocking pivot connecting strip 2a, the device of 2b comprises two buttons 14, is arranged on the end of central bracket 1, and part is positioned at base 15.In each base 15, with respect to corresponding button 14, being provided with two has Compress Spring 16, and spring 16 is connected to described button from the two arbitrary ends of bar 17.Two bars 17 of each button 14 extend to 18 li, two holes in each side structure 12,12 ' that is located at central bracket 1, thereby can be connected to bolt 19 by pin 20.Two bolts 19 be arranged on connect these two side structures 12,12 ' rectangular slab 21 tops, and be arranged on the first and second pivot connecting strip 2a, the fixture 22 of 2b one end is combined with, so that by relative central bracket 1 locking of the first and second pivot connecting strips.In order to make described bolt 19 from pivot connecting strip 2a, the fixture 22 of 2b departs from, to pivot connecting strip is extended, these bolts 19 are set to, when two buttons 14 start simultaneously, in the direction perpendicular to pivot connecting strip longitudinal axis, relative to each other along plate 21, move.

More precisely, on two opposite faces of each bolt 19, there is triangular prism 23, be oriented such that one of them face is arranged in the plane that bottom with respect to bolt is 45 °.When pivot connecting strip closes in central bracket 1, the prism of each bolt 19 23 be positioned at pivot connecting strip 2a, inclined-plane 24 (Fig. 8) contact on 2b.The end of each pivot connecting strip is exerted pressure bolt 19 is moved, until each prism 23 is positioned at the opposite of otch 22, under the effect of the Compress Spring 16 of each button 14, prism 23 is introduced in otch 22, thereby pivot connecting strip is locked on support 1.When two buttons 14 are simultaneously activated, each prism 23 departs from corresponding otch 22, thereby pivot connecting

strip

2a, 2b are extended.

The present invention is not limited to the above-mentioned embodiment as example, and it also comprises the every other distortion that claim covers.As example, the device of wrist strap prolongation or shortening can be arranged on separately in pivot connecting strip, another pivot connecting strip is set to be connected on a chain of wrist strap by the connected system of any type.

Claims

1. the wrist strap hasp with deployable button, for adjusting wrist belt length, described hasp comprises:

-central bracket (1),

The-the first and second pivot connecting strips (2a, 2b), are hinged on any one end of central bracket (1), and it is upper to close at described central bracket (1),

-for opening and closing the device (14,16 of hasp, 17,19,22), be set to the first and second pivot connecting strips (2a, 2b) to be locked in central bracket (1), and by described the first and second pivot connecting strip (2a, 2b) release central bracket (1), so pivot connecting strip can extend

At least one in the-the first connector (6a) and the second connector (6b), the first connector (6a) and the first pivot connecting strip (2a) are affixed and be set to be connected to the first chain of wrist strap; The second connector (6b) and the second pivot connecting strip (2b) are affixed and be set to be connected to the second chain of wrist strap;

It is characterized in that, described hasp also comprises connection main body (4), be arranged on the first and second pivot connecting strip (2a, in 2b) at least one, described connector or each the first and second connector (6a, 6b) are connected to corresponding connection main body (4), described connection main body (4) can be along corresponding pivot connecting strip (2a, vertically moving 2b), to be locked in different positions along described pivot connecting strip (2a, 2b).

2. according to the hasp of claim 1, it is characterized in that, at least one pivot connecting strip (2a, 2b) there is elongated cavity (5), the corresponding main body (4) that connects can be slided along the longitudinal edge (2,2 ') of corresponding pivot connecting strip (2a, 2b) in described cavity (5), and then with translation mode, be locked in a plurality of adjustment position with respect to described pivot connecting strip (2a, 2b).

3. according to the hasp of claim 1 or 2, it is characterized in that, this pivot connecting strip or each pivot connecting strip (2a, 2b) comprise and being set to and the corresponding bolt (7) that is connected main body (4) compounding practice, described bolt (7) can occupy respectively the first and second axial locations, make when described bolt (7) is arranged in of the first and second axial locations, this connection main body or each connection main body (4) can be locked in a plurality of adjustment position, and when described bolt (7) is arranged in another of the first and second axial locations, described connection main body or each connect main body (4) thereby can be unlocked and can in corresponding cavity (5), slide, to occupy another, adjust position.

4. according to the hasp of claim 3, it is characterized in that, described bolt (7) is set to, vertical axis along the direction of displacement of described connection main body (4), through pivot connecting strip or each pivot connecting strip (2a, longitudinal edge 2b) (2,2 ') and described connection main body (4).

5. according to the hasp of claim 3 or 4, it is characterized in that, connection main body or each connection main body (4) comprise opening (8), the lower limb of described opening (8) and/or top edge comprise a plurality of groove (9a that are disposed on the direction of displacement that connects main body (4), 9b, 9c), and described bolt (7) comprises projection (7a), be set to be contained in described groove (9a, 9b, in 9c) one, while being arranged in of the first and second axial locations with the described bolt of box lunch (7), will connecting main body or each and connect main body (4) and be locked in a plurality of adjustment position.

6. according to any one hasp of the claims, it is characterized in that, ratchet (10) is arranged on pivot connecting strip or each pivot connecting strip (2a, longitudinal edge (2 2b), 2 ') at least one, with be arranged on the corresponding a plurality of grooves (11) that are connected in main body (4) and be used in conjunction with, in order to lock described main body (4), before any one at corresponding bolt (7) from two axial locations moves, described ratchet (10) is by pre-aligned in a plurality of adjustment position one of described main body (4).

7. according to the hasp in any one of claim 3 to 6, it is characterized in that, the central bracket of described hasp (1) comprises two side structures (12,12 '), the medial surface of described side structure comprises otch (13), when the first and second pivot connecting strips (2a, 2b) close on described support, this otch is used for holding any one end of corresponding bolt (7).

8. wrist strap, comprises according to the hasp in above-mentioned any one claim.

9. wrist-watch, the wrist strap in comprising according to Claim 8.