CN1097292A

CN1097292A - Buckle for watch bands

Info

Publication number: CN1097292A
Application number: CN 93120785
Authority: CN
Inventors: 梅泽征司; 小岛清隆
Original assignee: Citizen Watch Co Ltd
Current assignee: Citizen Watch Co Ltd
Priority date: 1992-12-08
Filing date: 1993-12-08
Publication date: 1995-01-18
Anticipated expiration: 2013-12-08
Also published as: JPH0646513U; GB2273736B; GB2273736A; JP2596491Y2; CN1083254C; HK163896A; GB9324667D0

Abstract

Second section lower plate of plate and watchband during the middle plate and that a kind of buckle for watch bands has a upper plate, that is articulated in an end of first section of watchband to be connected in upper plate is articulated in.One saddle is fixed in side under the upper plate, and pair of push plates is contained in the saddle slidably, and a pair of spring is contained between two push pedals them to extrapolation.One of push pedal has narrow sheet section on, and another push pedal has narrow sheet section, the mutual lapping of two narrow thin plates.Each push pedal has a downward inclined-plane.One protruding engagement projection to push pedal is arranged on the lower plate, and the engagement projection has a pair of inclined-plane that makes progress and is molded over the hook of the downside on inclined-plane upwards.When upper plate when lower plate hinge is changeed, inclined-plane that makes progress and downward inclined-plane are meshed, and push pedal is inwardly moved, when hook during by downward inclined-plane, hook meshes with push pedal.

Description

Buckle for watch bands

The present invention relates to buckle for watch bands, relate in particular to a kind of a pair of triple-lap type hasp that is used to pin the push pedal of hasp that has.

Japanese utility model application discloses the 59-No. 70514 and has disclosed a kind of a pair of no good triple-lap type hasp that is used to pin hasp that has.

Figure 11 to 13 shows this hasp.It comprises the middle plate 11 that a upper plate 1, that is connected in one of two segment table band (not shown) is connected in upper plate, and one be connected in the lower plate 12 of plate and another segment table band.Upper plate 1 comprises top board 1a and two opposing sideplates 2.Each side plate 2 has a rectangle perforate 3 that forms in its central portion 5.

A pair of transverse plate 4 is laterally opposed between biside plate 2.One upper plate 5 and a lower plate 6 are arranged between two transverse plates 4 with a predetermined spacing, like this, just two transverse plates and form in wherein upper plate and lower plate between form a space.

Pair of push plates 8 is slidably mounted in this space, and a pair of spring 9 is arranged on the both sides between two push pedals 8, with it to extrapolation.Each push pedal 8 has an operation part 7 and of stretching from the perforate 3 of side plate 2 to form in its hole 16 partly, the inside.Each upper and lower plate 5 and 6 has a pair of hole 15 that is shaped corresponding to the hole in the push pedal 8 16.

Upper plate 1 also has a pair of engaging lug 10 that forms in the downside of one of top board 1a end.One end of middle plate 11 can cut with scissors with changeing and be installed on the transverse bolt 10a who is arranged between two engaging lugs 10.

Base plate 12 comprises a pair of board 12a that separates shaping mutually at a certain distance, and its both sides with middle plate 11 engage.Board 12a respectively has the engaging lug 10 of an end extend through upper plate 1 and has a watchband connector 18 to be fixed in this two ends.The other end of plate 11 during the other end of two board 12a is connected in by a transverse bolt.

Base plate 12 also has and a pair ofly forms in engagement projection 13 on the board 12a corresponding to the hole in the push pedal 8 16, is used for being meshed with hole 16.Each engagement projection comprises a column 14 and a conehead 13a.

When pressing Lock buckle, upper plate 1 and middle plate 11 are folded on the base plate 12, and like this, middle plate 11 meshes with the board 12a of base plate.At this moment, the conehead 13a of each engagement projection 13 passes in the hole 16 of hole 15 each push pedal 8 of insertion on the lower plate 6.As shown in figure 13, conehead 13a touches the inclined-plane 16a in hole 16, and the elastic force that overcomes spring 9 inwardly pushes away push pedal 8.When conehead 13a passed through inclined-plane 16a, push pedal was pushed back by spring 9 and is meshed with the column 14 of engagement projection 13.Like this, upper plate 1 just has been locked on the base plate 12.

When wanting to decontrol hasp, the elastic force that overcomes spring 9 simultaneously promotes the operation part 7 of two push pedals 8, and like this, move in hole 16, and the conehead 13a of engagement projection 13 is separated from from the hole.

In this hasp, must accurately adjust the position in the hole 16 in engagement projection 13 and the push pedal 8 owing to be provided with two engagement projections.And because push pedal 8 and spring 9 are in the plane that is arranged in upper plate 1 space, snapping over watchband width has transversely increased.This hasp is not suitable for the less Lady watch of width.

An object of the present invention is to provide the triple-lap type hasp that a kind of size is dwindled and make easily.

By a kind of buckle for watch bands provided by the invention, this hasp comprises that a middle plate that has two relative and upper plates that the side plate of a perforate is respectively arranged, end to be connected in upper plate, one can cut with scissors the lower plate that is connected in the other end of middle plate with changeing.

This hasp has: a saddle that is fixed on the downside of upper plate; The a pair of push pedal that is slidably mounted in the saddle, thus can laterally slide with respect to the vertical of watchband; One of two push pedals have narrow sheet section in its inside part, and another push pedal has narrow sheet section, two mutual lappings of narrow sheet section in its inside part; Be arranged on and be used between two push pedals respectively with they springs to extrapolation; Be used for each push pedal stopped at from the perforate of the side plate of upper plate and stretch out that locational stop mechanism of push pedal outer end, so that push pedal can be by wearer's finger manipulation; Each push pedal has a mate and to be formed in the inclined-plane down of the downside of mate, and lower plate is provided with protruding engagement projection to push pedal, and the engagement projection has ramp structure upwards and is formed in the hook structures of side under the ramp structure upwards.

When upper plate is cut with scissors when changeing to lower plate, the ramp structure that makes progress is meshed with downward ramp structure, and push pedal is moved inward.When hook structures was passed through downward inclined-plane, hook structures was meshed with the mate of push pedal.

Ramp structure upwards comprises a pair of inclined-plane that makes progress, and hook structures comprises a pair of hook, and the height of two hooks differs from one another corresponding to the height of the mate of two push pedals.

Stop mechanism comprises that one is fixed on the pin on the saddle and is formed in hole in each push pedal that pin therewith is meshed.

These and other purpose and characteristics of the present invention will be more obvious by the detailed description below in conjunction with accompanying drawing, wherein:

Fig. 1 is the vertical view cutaway drawing by triple-lap type hasp of the present invention.

Fig. 2 is the cutaway view of hasp along Fig. 1 center line II-II.

Fig. 3 is the cutaway view of hasp along Fig. 1 center line III-III.

Fig. 4 is the side view of hasp under the hasp state.

Fig. 5 is the vertical view cutaway drawing that the second embodiment of the invention hasp is shown.

Fig. 6 is the cutaway view of hasp along Fig. 5 center line VI-VI.

Fig. 7 is the cutaway view of hasp along Fig. 5 center line VII-VII.

Fig. 8 is the cutaway view that the 3rd embodiment hasp is shown.

Fig. 9 is the cutaway view of hasp along Fig. 8 center line IX-IX.

Figure 10 is the cutaway view of hasp along Fig. 8 center line X-X.

Figure 11 is the vertical view cutaway drawing of traditional hasp.

Figure 12 is the side view of traditional hasp.

Figure 13 is the cutaway view of traditional hasp.

Referring to figs. 1 through Fig. 4, triple-lap type hasp of the present invention comprises: second section 28 the lower plate 27, that a upper plate 21, that is connected in first section 23 of watchband is connected in watchband is connected in the middle plate 26 of upper plate 21 and lower plate 27.

Upper plate 21 has a pair of side plate 21a of all-in-one-piece with it and that the saddle 22 in a U-shaped cross section is arranged.Each side plate 21a has a rectangular breach 21b who is shaped in the middle.Saddle 22 is meshed with breach 21b and fixes on upper plate 21 to downside by fine solid welding.Like this, between upper plate 21 and saddle 22, just form a space.That upper plate 21 heads on by a spring, be connected in the first segment table band 23 with the pin 24 of hole engagement on the side plate 21a.

A connection piece 25 fixes on the downside of saddle 22 by fine solid welding.One end of middle plate 26 links to each other with connector 25.The other end of middle plate 26 links to each other with an end of lower plate 27 by a transverse bolt 26a.

Lower plate 27 has a U-shaped framework 27a(Fig. 3), a pair of respectively have the engaging lug of a pin-and-hole to be formed in the other end.The pin 29 that the second segment table band, 28 usefulness, one spring heads on links to each other with engaging lug 27b.Lower plate 27 also has one by plate being cut and a crooked T shape engagement projection 30 that is shaped at the middle part of frame part 27a.Engagement projection 30 at its top the opposed guiding surface 30a that is formed with 30a ' and be molded over

hook

30b and 30b ' on the different vertical height of inclined-plane 30a respectively with side under the 30a '.

Perhaps, engagement projection 30 can be by fine solid welding due to lower plate 27.

Pair of

push plates

31 and 32 is slidably mounted in the space of saddle 22, thereby can laterally moving at watchband.Push pedal 31 has operation projection 31a, elliptical aperture 31c, a step portion 31b and a last narrow sheet section 37 of extending from step portion 31b of giving prominence to from upper plate 21.Go up narrow thin plate 37 a rectangle perforate 37a corresponding to the engagement projection 30 of lower plate 27 is arranged.Perforate 37a has a mate 37b who has to lower inclined plane.Push pedal 32 has operation projection 32a, slotted eye 32c, a step portion 32b and the following narrow sheet section 38 that step portion 32b extends of stretching out from upper plate 21.Narrow thin plate 38 has a rectangle perforate 38a corresponding to perforate 37a and engagement projection 30 down.Perforate 38a has a mate 38b who has downward inclined-plane 38c.

Each upper and lower narrow thin plate all is shaped by forging and cutting.

Corresponding to engagement projection 30, a groove 21c is arranged on the upper plate 21, saddle 22 has a perforate 22a.

During assembling, the last narrow sheet section 37 of push pedal 31 is installed on the following narrow thin plate 38 of push pedal 32, makes it to cooperate slidably mutually.Make that perforate 37a and 38a are mutually corresponding to be arranged, and at

mate

37b and 38b corresponding to engagement projection 30.A pair of

spring

33 and 34 is arranged on the two step 31d and the both sides between the 32d of

push pedal

31 and 32, makes push pedal pushed outwards.

Combination push pedal

31 and 32 is inserted in the space of saddle 22 together with spring 33 and 34.A pair of latch or

screw

35 and 36 are fixed on the saddle 22, and make it respectively to match with

elliptical aperture

31c and 32c on push pedal 31 and 32.Each push pedal is stopped 21 those positions of giving prominence in the operation projection from upper plate.So can prevent that thrust plate deviates from from upper plate.

The use of hasp is described now.The lock of supposing hasp is in release conditions.With the middle plate 26 that is connected in upper plate 21 around pin 26a therefrom plate 27 open so that open hasp.Subsequently with first section 23 and second sections 28 of watchband on wearer's wrist.

Push the upper plate 21 of plate 26 in being connected in to lower plate 27, plate 26 is pressed on the lower plate 27 in making.As shown in Figure 3, the perforate 38a of push pedal 32 and the perforate 37a of push pedal 31 are inserted by the perforate 22a on the saddle 22 in the top of the engagement projection 30 of lower plate 27.The inclined-plane 30a and the 30a ' of engagement projection 30 are meshed with the mate 38b of corresponding perforate and inclined-plane 38c and the 37c of 37b respectively.Like this,

push pedal

31 and 32 is just overcome the elastic force of

spring

33 and 34 by the inclined-plane and inwardly pushes away.As inclined-

plane

30a and 30a ' during by inclined-plane 38c and 37c,

mate

38b and 37b are pushed back by spring, and are meshed with

hook

30b and 30b ' on the projection 30 respectively.Like this, upper plate 21 just is locked on the lower plate 27.At this state, the top of engagement projection is in the groove 21c that is placed on the upper plate 21.

In the time will unblanking, push pedal simultaneously 31 and 32

operation projection

31a and 32a make engagement projection 30 break away from

mate

37b and 38b, so upper plate 21 has just been thrown off from lower plate 27.

Hasp of the present invention only with the locking of an engagement projection, therefore, need not done the position adjustment.And two push pedals are mutual lappings partly, have reduced the thickness and the width of hasp like this.Therefore, be applicable to woman's table that width is little.

Fig. 5 to 7 has represented second embodiment of hasp.Wherein identical those parts numerical reference identical with Fig. 1 to 4 with first embodiment.

The hasp of second embodiment comprises a base plate 40.One end of middle plate 26 is articulated in base plate 40 with transverse bolt 41.The other end of base plate is articulated in lower plate 47 with transverse bolt 42.Lower plate 47 is useful on the engaging lug 47a on second section 28 that is connected to watchband.Be arranged on the identical of engagement projection 30 and last embodiment on the lower plate, its column length difference just, this projection is than the weak point of first embodiment.

The use of this hasp is described now.To the direction of leaving base plate 40 open enough wide around

42 and 41 lower plate 47 and the middle plate 26 that are connected in upper plate 21.When hasp gathered into folds, middle plate 26 and lower plate 47 were pressed on the base plate 40.

The pinning of this embodiment is identical with first embodiment with the relieving operation.

With reference to Fig. 8 to 10, it has shown the 3rd embodiment of the present invention.This hasp comprises that one is connected in first section 23 the upper plate 51 of watchband, a lower plate 57 of second section 28 and a middle plate 56 that is connected in upper plate 51 by connector 25 and lower plate 57 usefulness pin 26a that connects watchbands by pin 29 by pin 24.

Upper plate 51 has pair of side plates 51a.Each side plate 51a has a string adjustment hole 52, the effective length that is used to regulate the first segment table band 23.Its length is to change by be engaged in different hole 52 with pin.In this embodiment, the length of middle plate 56 and lower plate 57 has extended, so that corresponding with the length of the side plate 51a of upper plate 51.

Other structure is identical with first embodiment, its identical parts numerical reference identical with Fig. 1 to 4.

Claims

1, a kind of buckle for watch bands, it comprise a middle plate and that has two upper plates that the relative side plate of a perforate respectively arranged, to be connected in described upper plate with the one end be connected in described in the lower plate of the other end of plate, it is characterized in that described hasp comprises:

A saddle that is fixed on side under the described upper plate;

A pair of being slidably mounted in can be with respect to the laterally push pedal of slip of vertical do of watchband in the described saddle;

One of two push pedals have narrow thin plate branch in its inside part;

Another push pedal has narrow sheet section in its inside part;

Two narrow sheet section are mutual lappings;

Be arranged between two push pedals two push pedals respectively to the spring assembly of extrapolation;

Be used for each push pedal is stopped at so locational stop device, promptly on this position, stretch out from the perforate on the biside plate of described upper plate the outer end of push pedal, so that the wearer uses hand operated;

Each push pedal has a mate and to form in the downward inclined-plane of face under this mate;

One is arranged on the described lower plate to the outstanding engagement projection of push pedal, the engagement projection has ramp structure upwards and forms in the hook structures of the downside of this ramp structure that makes progress, and be to arrange like this, promptly when upper plate when lower plate hinge is changeed, ramp structure upwards is meshed with described downward ramp structure, two push pedals are inwardly moved, and when hook structures was passed through downward inclined-plane, hook structures was meshed with the mate of push pedal.

2, hasp as claimed in claim 1 is characterized in that, the described ramp structure that makes progress comprises a pair of inclined-plane that makes progress, and described hook structures comprises a pair of hook, and its height is different mutually corresponding to the height of the mate of two push pedals.

3, hasp as claimed in claim 1 is characterized in that, described stop device comprises that one is fixed on the pin on the saddle and forms in the hole of matching with described pin in each push pedal.

4, annotate 1 described hasp as the right village, it is characterized in that, each push pedal has a rectangular perforate, and, be formed with described downward inclined-plane in the inside edge of this perforate.

5, annotate 1 described hasp as the right village, it is characterized in that, described spring assembly comprises a pair of spring that is arranged on the both sides of two push pedals.

6, hasp as claimed in claim 1 is characterized in that, described middle plate is connected in described lower plate by a base plate.