JP7358763B2 - bands and watches - Google Patents

Description

The present invention relates to a band used for a wristwatch, clothes, bag, bag, etc., and a watch equipped with the same.

For example, in the case of a wristwatch band, as described in Patent Document 1, a push button and a cam cylinder are provided in the band attachment part of the wristwatch case, and the cam cylinder is rotated by pushing the push button. It is known that the band body is attached to the band attaching portion of the wristwatch case by attaching the end of a connecting pin provided at the end of the band body to a cam cylinder.

Japanese Patent Application Publication No. 07-303506

In other words, in this type of band, when the push button is pushed and the cam barrel is rotated, the notch provided in the cam barrel is exposed in correspondence with the notch in the band attachment part. Insert the end of the connecting pin provided at the end of the band body into the cam cylinder through each notch, and when the push button returns to its original position, the cam cylinder will rotate and the cam cylinder will rotate. The notch portion is hidden by the band attachment portion, so that the end portion of the connecting pin does not come off from inside the cam cylinder.

However, with such wristwatch bands, the structure is complicated because the connecting pin provided at the end of the band body is attached to the cam barrel when the push button is pushed and the cam barrel is rotated. Not only that, but the end of the connecting pin must be inserted into the cam cylinder while the push button is pushed, which makes the installation work troublesome.

Also, with this watch band, the push button is exposed to the outside when it is attached to the wrist, so if the push button is inadvertently pressed, the end of the connecting pin may separate from the cam cylinder. There is also the problem that the band itself may fall off from the band attachment part of the wristwatch case.

The problem to be solved by the present invention is to provide a band that has a simple structure, has good installation workability, and does not fall off accidentally, and a watch equipped with the same.

This invention includes a band main body, a band connecting part attached to an end of the band main body and provided with a mounting hole, and a slide part that slides within a cylindrical part inserted into the mounting hole, and includes a lever part. a connecting member that protrudes retractably from the end of the cylindrical portion and is attached to the case, and the band connecting portion includes a first groove and a second groove that removably hold the lever portion; The first grooves are provided at different positions in the width direction of the corresponding band bodies, and the first grooves hold the lever part when the outer end of the slide part is pushed into the cylindrical part, and The band is characterized in that the two grooves accommodate and hold the lever portion when the outer end portion of the slide portion is pushed out from the inside of the cylindrical portion.

According to this invention, the structure is simple, the installation workability is good, and it is possible to prevent the device from falling off carelessly.

FIG. 1 is an enlarged front view showing an embodiment in which the present invention is applied to a wristwatch. FIG. 2 is an enlarged cross-sectional view showing essential parts of the wristwatch shown in FIG. 1 in the direction of the arrow AA. The case body and the band connecting piece of the wristwatch shown in FIG. 2 are shown; (a) is an enlarged perspective view of them viewed from diagonally below the 12 o'clock side, and (b) is an enlarged perspective view of them diagonally below the 9 o'clock side. It is an enlarged perspective view seen from the side. FIG. 4 is an exploded perspective view showing a state in which the band connecting piece shown in FIG. 3 is removed from the band attaching portion of the case body. FIG. 5 is an exploded perspective view showing a state in which the band connecting piece shown in FIG. 4 is attached to a band attaching portion of the case body. FIG. 5 is an enlarged perspective view of the connecting member shown in FIG. 4; 6 is an enlarged plan view of the connecting member shown in FIG. 6, and FIG. FIG. 5 is an enlarged perspective view of the band connecting piece shown in FIG. 4; The band connecting piece shown in FIG. 8 is shown, in which (a) is an enlarged back view as seen diagonally from below, and (b) is an enlarged front view as seen from directly below. A modification of the band connecting piece shown in FIG. 9(b) is shown, in which (a) is an enlarged back view of the first modification, and (b) is an enlarged back view of the second modification.

An embodiment in which the present invention is applied to a wristwatch will be described below with reference to FIGS. 1 to 9.
This wristwatch includes a wristwatch case 1, as shown in FIG. Band attachment portions 3 to which a watch band 2 is attached are provided on the 12 o'clock side and the 6 o'clock side of the wristwatch case 1, respectively. Furthermore, push button switches 4 are provided on the 2 o'clock side, 3 o'clock side, 4 o'clock side, 6 o'clock side, 8 o'clock side, and 10 o'clock side of this wristwatch case 1, respectively.

As shown in FIG. 2, a watch glass 5 is attached to the upper opening of the watch case 1 via a packing 5a. A partition member 6 is provided inside the watch case 1 located below the watch glass 5. Further, a back cover 7 is attached to the lower part of the wristwatch case 1 via a waterproof ring 7a.

A watch module 8 is provided inside the watch case 1, as shown in FIG. Although not shown, the clock module 8 includes various components necessary for clock functions, such as a clock movement that moves the hands, a display panel that electro-optically displays information such as time, and a circuit that electrically drives these components. It is equipped with

In this case, the wristwatch case 1 includes a case body 10 and an exterior case 11, as shown in FIGS. 1 and 2. The case body 10 is made of metal or a hard synthetic resin, such as a highly rigid hard synthetic resin made by mixing polyamide resin with glass fiber or carbon fiber. This case body 10 is formed into a substantially cylindrical shape, and a metal reinforcing portion 10a is embedded inside the case body 10.

Further, as shown in FIGS. 1 and 2, a pair of attachment protrusions 3a of the band attachment portion 3 are provided on the 12 o'clock side and the 6 o'clock side of the outer peripheral portion of the case body 10, respectively. The exterior case 11 is configured to be attached to the upper outer periphery of the case body 10 so as to cover it. That is, this exterior case 11 is formed into a substantially ring shape, and is attached to the upper outer periphery of the case body 10 with a plurality of screw members 12.

By the way, as shown in FIGS. 1 and 3, in the watch band 2, the band body 13 is attached to the pair of attachment protrusions 3a of the band attachment part 3 provided on the case body 10 by means of a band connection piece 14, which is a band connection part. Configured to be installed. That is, the band connecting piece 14 is formed of metal or synthetic resin, and is attached to the pair of attachment protrusions 3a of the case body 10 by a connecting member 15, and is attached to the end of the band body 13 by a pin member 16. It is configured. Further, the band body is formed of metal (for example, a plurality of band pieces are connected) or synthetic resin.

In this case, as shown in FIGS. 3 to 5, the band connecting piece 14 has a wide portion 14a that is disposed between and attached to the pair of attachment protrusions 3a of the case body 10, and a pair of attachment protrusions 3a of the case body 10. 3a and a narrow portion 14b that is disposed and attached to the end of the band main body 13, protruding from between the bands 3a. Thereby, the band connecting piece 14 is configured to attach the band main body 13 to the pair of attachment protrusions 3a of the case main body 10 using the wide part 14a and the narrow part 14b.

That is, as shown in FIGS. 3 to 5, the narrow portion 14b of the band connecting piece 14 has a pin insertion hole 17 into which the pin member 16, which is a spring rod, is inserted. It is provided to penetrate in the direction. As a result, when the narrow part 14b of the band connecting piece 14 is placed at the end of the band body 13 with the pin member 16 inserted into the pin insertion hole 17 and both ends of the pin member 16 pushed in, Both ends of the pin member 16 are pushed out and inserted into both sides of the end of the band body 13, so that the pin member 16 is attached to the end of the band body 13.

On the other hand, as shown in FIGS. 3 to 5, the wide portion 14a of the band connecting piece 14 has a thickness that is approximately the same as the pair of mounting protrusions 3a, and a shape that is similar to that between the pair of mounting protrusions 3a. are formed in almost the same shape. A mounting hole 18 into which the connecting member 15 is inserted is provided in the wide part 14a in parallel with the pin insertion hole 17 in the narrow part 14b, passing through the band main body 13 in the transverse direction perpendicular to the longitudinal direction. ing.

As shown in FIGS. 3 to 5, both ends of the mounting hole 18 coaxially correspond to a pair of fixing holes 3b provided in a corresponding manner to a pair of mounting protrusions 3a of the case body 10. It is set up like this. Furthermore, on both sides of the mounting hole 18, open portions 18a are provided which are open to the back surface side and have a length that slightly cuts into both ends of the narrow portion 14b.

As shown in FIGS. 3 to 7, the connecting member 15 is a spring bar, and includes a pipe portion 20 which is a cylindrical portion, a spring member 21 disposed within the pipe portion 20, and a spring member 21 disposed within the pipe portion 20 on both sides. It includes a pair of slide parts 22 that are slidably arranged, and first and second lever parts 23 and 24 for respectively sliding the pair of slide parts 22 in the axial direction of the pipe part 20. Thereby, the connecting member 15 is configured such that the pair of slide parts 22 are pushed out from both sides of the pipe part 20 by the spring force of the spring member 21.

In this case, as shown in FIGS. 6 and 8, the pipe portion 20 has an outer diameter that is the same size as the inner diameter of the mounting hole 18 provided in the wide portion 14a of the band connecting piece 14, and a length in the axial direction. is formed to have the same length as, or slightly shorter than, the mounting hole 18 of the wide portion 14a. This pipe portion 20 is configured such that, when inserted into the attachment hole 18 of the band connecting piece 14, both side portions are exposed to the back side through open portions 18a provided on both sides of the attachment hole 18.

As shown in FIG. 7(b), the spring member 21 is a coil spring, and its outer diameter is formed to be slightly smaller than the inner diameter of the pipe portion 20, and its length in the expansion and contraction direction, that is, the length in the axial direction, is the same as that of the band. It is formed to have approximately the same length as the pin insertion hole 17 in the narrow portion 14b of the connecting piece 14. As a result, the spring member 21 is configured such that both ends thereof come into elastic contact with the respective inner ends of the pair of slide parts 22 and bias the pair of slide parts 22 in the direction of pushing out the pair of slide parts 22 from the inside of the pipe part 20 to the outside. has been done.

As shown in FIGS. 6 and 7, each of the pair of slide portions 22 includes a large-diameter slide main body 22a and a small-diameter protrusion portion 22b. The slide main body 22a is slidably arranged inside the pipe section 20. The slide body 22a has an outer diameter slightly smaller than the inner diameter of the pipe portion 20, and an axial length of the open portion 18a provided on both sides of the mounting hole 18 in the wide portion 14a of the band connecting piece 14. It is formed to approximately the same length as the length.

As shown in FIG. 7(b), when the slide main body 22a is disposed on both sides of the pipe section 20 and is urged in the direction of being pushed out by the spring member 21, the edge of the outer end is configured to abut on retaining portions 20a provided at both ends of the pipe portion 20 and to prevent it from slipping out of the pipe portion 20.

As shown in FIGS. 6 and 7, the protrusions 22b of the slide portion 22 are integrally provided at the outer ends of the pair of slide bodies 22a. The protruding portions 22b protrude from both ends of the pipe portion 20 so as to be retractable from the outside of the pipe portion 20, and fit into the pair of fixing holes 3b provided in the pair of attachment protrusions 3a of the band attaching portion 3, respectively. Configured to insert. That is, the protrusion 22b has an outer diameter smaller than the outer diameter of the slide main body 22a, and is formed to have a size substantially the same as the inner diameter of each fixing hole 3b of the pair of attachment protrusions 3a.

Further, as shown in FIGS. 4 to 7, this protrusion 22b has an axial length approximately 1/3 of the length of the slide body 22a, and has a fixing hole in the pair of attachment protrusions 3a. It is formed to have approximately the same length (depth) in the axial direction as 3b. As a result, when the slide body 22a is pushed by the spring force of the spring member 21, the protrusion part 22b is pushed out of the pipe part 20, and when it is pushed out against the spring force of the spring member 21. , is configured to be pushed into the inside of the pipe section 20.

By the way, as shown in FIGS. 6 and 7, first and second lever parts 23 and 24 are respectively attached to each slide body 22a of the pair of slide parts 22. These first and second lever parts 23 and 24 are for sliding the pair of slide parts 22 in the axial direction inside the pipe part 20, respectively.

That is, among these first and second lever parts 23 and 24, the first lever part 23 located on the right side of the pipe part 20 has a substantially spherical first head 23a, as shown in FIGS. 6 and 7. and a first shaft portion 23b, and the first shaft portion 23b is configured to be attached to the right slide body 22a through an opening hole 25 provided on the right side of the pipe portion 20.

As shown in FIGS. 6 and 7, this first lever part 23 has a threaded part 23c provided on the first shaft part 23b, and this threaded part 23c passes through the opening hole 25 on the right side of the pipe part 20 to the slide body on the right side. It is attached to the slide body 22a by screwing into a screw hole 22c provided in the slide body 22a. The first lever portion 23 has a substantially spherical first head portion 23a provided with a groove portion 23d into which a tool such as a screwdriver is inserted.

Similarly, as shown in FIGS. 6 and 7, the second lever part 24 located on the left side of the pipe part 20 has a substantially spherical second head 24a and a second shaft part, similar to the first lever part 23. 24b, and the second shaft portion 24b is configured to be attached to the left slide body 22a through an opening 25 provided on the left side of the pipe portion 20.

That is, as shown in FIGS. 6 and 7, the second lever part 24 is constructed by welding or fixing the lower end of the second shaft part 24b to the left slide body 22a through the left opening hole 25 of the pipe part 20. Fixed. Therefore, the second head 23a of the second lever portion 24 is not provided with a groove into which a tool such as a screwdriver is inserted. Note that the second lever portion 24 does not necessarily need to be fixed to the slide body 22a by welding or fixing, and may have the same screw-fastening structure as the first lever portion 23.

In this case, each opening hole 25 provided on both sides of the pipe portion 20 corresponds to an opening portion 18a that opens both sides of the attachment hole 18 provided in the band connecting piece 14, as shown in FIGS. 4 to 7. They are provided on both sides of the pipe section 20, respectively. Each of these opening holes 25 is formed into a long elongated hole along the axial direction of the pipe portion 20, respectively. That is, each of these opening holes 25 is formed to be equal to or slightly longer than the sliding length of the sliding portion 22, that is, the length in the axial direction of the protruding portion 22b of the sliding portion 22.

Further, as shown in FIGS. 4 to 7, these opening holes 25 are formed by the protrusions 22b of the pair of slide parts 22 being pushed out of the pipe part 20 by the spring force of the spring member 21, respectively. When the edges of each outer end of the slide body 22a are in contact with the retaining parts 20a provided at both ends of the pipe part 20, the first and second lever parts 23 and 24 are The two shaft portions 23b and 24b are formed so as to be disposed close to each outer end portion located on both end sides of the pipe portion 20, respectively.

Furthermore, as shown in FIGS. 4 to 7, each of these opening holes 25 is formed by pushing the protruding parts 22b of the pair of slide parts 22 into the pipe part 20 against the spring force of the spring member 21. In this state, the first and second shaft portions 23b and 24b of the first and second lever portions 23 and 24 approach or abut respective inner end portions located on the intermediate portion side in the axial direction of the pipe portion 20. It is formed so that it can be placed.

Further, as shown in FIGS. 6 and 7, each of these opening holes 25 has a length in the circumferential direction of the pipe portion 20 that is equal to or smaller than the first and second shaft portions 23b of the first and second lever portions 23 and 24. , 24b, or larger than each outer diameter. That is, the length of each opening hole 25 in the circumferential direction of the pipe portion 20 is the same as the outer diameter of the first and second shaft portions 23b and 24b of the first and second lever portions 23 and 24, respectively. However, the length of the pipe portion 20 in the circumferential direction is formed to be long so that the first and second lever portions 23 and 24 rotate about an angle of about 90° about the central axis of the slide portion 22. This is desirable.

By the way, as shown in FIGS. 4 to 9, the band connecting piece 14 has the first and second lever parts 23 when the protrusions 22b of the pair of slide parts 22 are pushed into the pipe part 20. , 24, and the respective projections 22b of the pair of slide sections 22 are pushed out from inside the pipe section 20, the first and second lever sections 23, A pair of second grooves 27 are provided, each of which is a holding groove for holding the second groove 24, respectively.

As shown in FIGS. 4 to 9, the pair of first grooves 26 are formed in the first and second lever portions 23 when the protruding portions 22b of the pair of slide portions 22 are respectively pushed into the pipe portion 20. , 24 are each formed to be rotated about the central axis of the slide portion 22 and inserted thereinto. That is, the pair of first grooves 26 are formed at the openings provided on both sides of the band connecting piece 14 at the locations of the band connecting piece 14 corresponding to the inner ends of the respective opening holes 25 provided on both sides of the pipe section 20. It is formed in the shape of a long hole extending from the attachment hole 18 corresponding to the portion 18a in a direction perpendicular to the axial direction of the pipe portion 20.

In this case, the length of the pair of first grooves 26 in the direction orthogonal to the axial direction of the pipe portion 20 is longer than each length of the first and second lever portions 23 and 24, as shown in FIGS. 4 to 9. It is formed to have a short length, for example, approximately the same length as the lengths of the first and second shaft portions 23b and 24b of the first and second lever portions 23 and 24. As a result, when the pair of first grooves 26 are rotated about the central axis of the pair of slide parts 22 and inserted, the first and second shaft parts 23b of the first and second lever parts 23 and 24 are inserted. , 24b is temporarily and detachably held.

On the other hand, as shown in FIGS. 4 to 9, the pair of second grooves 27 are connected to the first and second levers when each of the protruding parts 22b of the pair of slide parts 22 is pushed out from inside the pipe part 20. The parts 23 and 24 are each formed to be rotated about the central axis of the pair of slide parts 22 and housed therein. That is, the pair of second grooves 27 are formed at the openings provided on both sides of the band connecting piece 14 at the locations of the band connecting piece 14 corresponding to the outer ends of the respective opening holes 25 provided on both sides of the pipe section 20. It is formed in the shape of a long hole extending from the attachment hole 18 corresponding to the portion 18a in a direction perpendicular to the axial direction of the pipe portion 20.

In this case, the length of the pair of second grooves 27 in the direction perpendicular to the axial direction of the pipe portion 20 is approximately equal to the total length of each of the first and second lever portions 23 and 24, as shown in FIGS. 4 to 9. formed of the same length. As a result, when the pair of second grooves 27 are rotated about the central axis of the pair of slide parts 22 and stored, the first and second heads 23a of the first and second lever parts 23 and 24 , 24a and the first and second shaft portions 23b, 24b are housed and held.

That is, as shown in FIGS. 4 to 9, the pair of second grooves 27 are formed in the first and second head portions 23a and 24a of the first and second lever portions 23 and 24 and the first and second shaft portions 23b. , 24b is formed deeper than the first groove 26 so that the grooves 24b are accommodated therein. In this case, when the first and second heads 23a and 24a and the first and second shaft parts 23b and 24b of the first and second lever parts 23 and 24 are housed in the pair of second grooves 27, In order to make it easy to take out the first and second heads 23a and 24a from inside the second groove 27, the first and second heads 23a and 24a are stored in an exposed state.

Furthermore, as shown in FIGS. 9(a) and 9(b), the upper portions of the pair of second grooves 27 are provided with the first , a pair of hemispherical locking protrusions 27a that releasably lock the second lever portions 23 and 24 are provided, respectively. That is, the pair of locking protrusions 27a are provided facing each other on both side surfaces within the pair of second grooves 27.

As a result, the pair of locking protrusions 27a are accommodated in the first and second lever portions 23 and 24, respectively, in the pair of second grooves 27, as shown in FIGS. 9(a) and 9(b). When the first and second lever portions 23 and 24 are moved over, the first and second shaft portions 23b and 24b of the first and second lever portions 23 and 24 cross over, so that the first and second shaft portions 23b and 24b of the first and second lever portions 23 and 24 24b is configured to be removably locked.

Next, the function of the watch band 2 of such a wristwatch will be explained.
In this case, the wristwatch case 1 is assembled in advance to assemble the wristwatch. That is, when assembling the wristwatch case 1, the parting member 6 is attached to the upper part of the case body 10, and then the watch glass 5 is attached to the upper opening of the case body 10 together with the packing 5a.

In this state, the outer case 11 is attached to the upper outer periphery of the case body 10 using screw members 12. In this way, the wristwatch case 1 is assembled. In this state, the watch module 8 is attached inside the watch case 1, and the push button switch 4 is attached to the outer periphery of the case body 10. After this, the back cover 7 is attached to the lower part of the case body 10 together with the waterproof ring 7a. This completes the assembly of the watch.

When attaching the watch band 2 to the watch case 1, first, the band connecting piece 14 is attached to the end of the band body 13 using the pin member 16, which is a spring bar. That is, the pin member 16 is inserted into the pin insertion hole 17 provided in the narrow portion 14b of the band connecting piece 14, and both ends of the pin member 16 are pushed in. In this state, the narrow portion 14b of the band connecting piece 14 is placed within the end of the band body 13, and both ends of the pin member 16 are inserted into the end of the band body 13. Thereby, the band connecting piece 14 is attached to the end of the band main body 13 by the pin member 16.

In this state, the watch band 2 is attached to the watch case 1 using the band connecting piece 14. At this time, the connecting member 15 is assembled in advance, and the connecting member 15 is attached to the wide portion 14a of the band connecting piece 14. That is, when assembling the connecting member 15, first, the spring member 21 is inserted into the inside of the pipe part 20, and in this state, the pair of slide parts 22 are respectively inserted into both sides of the pipe part 20.

Then, with each protruding part 22b of the pair of slide parts 22 pushed into the pipe part 20 against the spring force of the spring member 21, both ends of the pipe part 20 are caulked to form the pipe part 20. A retaining portion 20a is formed at each end. As a result, even if the pair of slide bodies 22a disposed within the pipe section 20 are urged in the direction of being pushed out by the spring force of the spring member 21, the edges of the outer ends of the pair of slide bodies 22a are held in the retaining part. The pair of slide bodies 22a are placed in contact with the pipe portion 20a so as not to slip out from inside the pipe portion 20.

In this state, among the first and second lever parts 23 and 24, the right first lever part 23 is not attached to the right slide part 22, and the left second lever part 24 is attached only to the left slide part 22. Attach. At this time, the second shaft portion 24b of the second lever portion 24 is fixed to the slide body 22a by welding or welding through, for example, the left opening hole 25 among the opening holes 25 provided on both sides of the pipe portion 20.

Then, the pipe portion 20 to which the second lever portion 24 is attached is inserted into the attachment hole 18 provided in the wide portion 14a of the band connecting piece 14. At this time, the pipe part 20 is inserted into the mounting hole 18 of the band connecting piece 14 from the end side of the pipe part 20 to which the first lever part 23 is not attached, and each opening hole provided on both sides of the pipe part 20 is inserted. 25 are arranged corresponding to the openings 18a on both sides of the mounting hole 18, respectively.

In this state, the second lever part 24 attached to the slide part 22 located on the left side of the pipe part 20 is arranged in the left open part 18a of the attachment hole 18 of the band connecting piece 14. In this state, the first lever part 23 is attached to the right slide part 22. At this time, the screw hole 22c provided in the slide body 22a of the right slide portion 22 is exposed corresponding to the right opening hole 25 of the pipe portion 20.

For this purpose, the threaded portion 23c of the first shaft portion 23b of the first lever portion 23 is screwed into the threaded hole 22c of the slide body 22a from the opening hole 25 on the right side of the pipe portion 20. At this time, a tool such as a screwdriver is inserted into the groove 23d of the first head 23a, and the first head 23a is turned to tighten the threaded portion 23c of the first shaft portion 23b into the screw hole 22c of the slide body 22a. Thereby, the first lever part 23 is attached to the right slide part 22. In this case as well, the first lever portion 23 is arranged in the opening portion 18a on the right side of the attachment hole 18 of the band connecting piece 14.

When attaching the watch band 2 to the band attachment part 3 of the wristwatch case 1 using the band connecting piece 14, first, the first and second lever parts 23 , 24 in the direction toward each other, and the respective protruding parts 22b of the pair of slide parts 22 are pushed into the pipe part 20 and arranged. At this time, the first and second shaft parts 23b and 24b of the first and second lever parts 23 and 24 move within each opening hole 25 on both sides of the pipe part 20 and approach the inner end of each opening hole 25. Alternatively, it corresponds to a pair of first grooves 26 provided in the band connecting piece 14 in contact with each other.

In this state, when the first and second lever parts 23 and 24 are rotated about the respective axes of the pair of slide parts 22, the first and second shaft parts 23b of the first and second lever parts 23 and 24 are rotated. , 24b are inserted into a pair of first grooves 26 provided in the band connecting piece 14. As a result, the first and second lever parts 23 and 24 are temporarily held in the pair of first grooves 26. Therefore, each protruding portion 22b of the pair of slide portions 22 remains pushed into the pipe portion 20.

Then, the wide part 14a of the band connecting piece 14 is placed between the pair of attachment protrusions 3a of the case body 10, which is the band attachment part 3 of the wristwatch case 1, and the pair of sliding parts 22 of the connecting member 15 are attached to the pair of attachment protrusions 3a of the case body 10. It corresponds to each fixing hole 3b of the protrusion 3a. In this state, the first and second lever parts 23 and 24 are rotated to remove the band connecting piece 14 from the pair of first grooves 26. Then, each protrusion 22b of the pair of slide parts 22 is pushed out from inside the pipe part 20 by the spring force of the spring member 21 and inserted into each fixing hole 3b of the pair of attachment protrusions 3a.

Thereby, the watch band 2 is attached to the band attaching part 3 of the watch case 1 by the band connecting piece 14. At this time, the first and second shaft parts 23b and 24b of the first and second lever parts 23 and 24 move within each opening hole 25 on both sides of the pipe part 20 and approach the outer end of each opening hole 25. This corresponds to the pair of second grooves 27 provided in the band connecting piece 14, respectively. In this state, when the first and second lever parts 23 and 24 are rotated about the respective axes of the pair of slide parts 22, the first and second lever parts 23 and 24 are attached to the band connecting piece 14. They are housed in the pair of second grooves 27, respectively.

At this time, the first and second shaft portions 23b and 24b of the first and second lever portions 23 and 24 ride over the respective locking protrusions 27a provided in the pair of second grooves 27, and The two lever parts 23 and 24 are housed in the pair of second grooves 27, respectively. Therefore, the first and second lever parts 23 and 24 are housed in the pair of second grooves 27 in a locked state by the respective locking protrusions 27a in the pair of second grooves 27.

In this state, when the watch band 2 is attached to the band attachment part 3 of the watch case 1 by the band connection piece 14 and the wristwatch is attached to the wrist, the first and second lever parts 23 and 24 are attached to the band connection piece 14. Since the first and second lever parts 23 and 24 are housed in a pair of second grooves 27 provided in the arms, the first and second lever parts 23 and 24 do not hit the arms. Therefore, even if the connecting member 15 includes the first and second lever parts 23 and 24, the watch case 1 can be attached to the wrist with the watch band 2 in a good manner.

On the other hand, when removing the watch band 2 from the watch case 1, the first and second lever parts 23 and 24 are moved from within the pair of second grooves 27 of the band connecting piece 14 to the engaging force of each locking protrusion 27a. The sliding parts 22 are pulled out while being rotated about their respective axes. As a result, the first and second lever portions 23 and 24 are removed from the pair of second grooves 27.

In this state, the pair of slide parts 22 are urged in the pushing direction by the spring force of the spring member 21, so each protrusion part 22b of the pair of slide parts 22 is pushed out from the pipe part 20, and the band attachment part 3 The state in which it is inserted into each of the fixing holes 3b provided in the pair of mounting protrusions 3a is maintained. Therefore, the band connecting piece 14 maintains the state attached to the band attachment part 3. Moreover, the first and second lever parts 23 and 24 are located at a position separated from the inside of the pair of second grooves 27, that is, at a position close to each outer end of each opening hole 25 provided on both sides of the pipe part 20. It is located.

When the first and second lever parts 23 and 24 are moved in a direction toward each other against the spring force of the spring member 21, the pair of slide parts 22 move inside the pipe part 20 while contracting the spring member 21. Slide. Then, each protruding part 22b of the pair of slide parts 22 is pushed into the pipe part 20 and pulled out from each fixing hole 3b provided in the pair of attachment protrusions 3a. As a result, the band connecting piece 14 becomes detachable from the band attaching portion 3.

At this time, the first and second shaft parts 23b and 24b of the first and second lever parts 23 and 24 move within each opening hole 25 on both sides of the pipe part 20 and approach the inner end of each opening hole 25. Alternatively, they abut and correspond to a pair of first grooves 26 provided in the band connecting piece 14 . Therefore, when the first and second lever parts 23 and 24 are rotated about the respective axes of the pair of slide parts 22, the first and second shaft parts 23b of the first and second lever parts 23 and 24, 24b are respectively inserted into a pair of first grooves 26 provided in the band connecting piece 14.

Therefore, the first and second lever parts 23 and 24 are temporarily held in the pair of first grooves 26, so that each protrusion part 22b of the pair of slide parts 22 is pushed into the pipe part 20. maintain. In this state, the band connection piece 14 is removed from between the pair of attachment protrusions 3a of the band attachment portion 3. Thereby, the watch band 2 can be easily removed from the watch case 1.

As described above, according to the watch band 2 of this wristwatch, the band connecting piece 14 is attached to the end of the band body 13 and is provided with the attachment hole 18, and the pipe portion 20 inserted into the attachment hole 18 is slid. a pair of sliding parts 22 having first and second lever parts 23 and 24, which protrude retractably from both ends of the pipe part 20 and are attached to the band attachment part 3 of the wristwatch case 1; In addition, the band connecting piece 14 is provided with first and second grooves 26 and 27 that detachably hold the first and second lever parts 23 and 24 at predetermined first and second positions. This allows for a simple structure, good installation workability, and prevention of accidental falling off.

That is, in the watch band 2 of this wristwatch, since the band connecting piece 14 is provided with the first and second grooves 26 and 27, the first and second lever parts 23 and 24 are connected to the first and second grooves 26 and 27, respectively. 27 can be held. Therefore, even if the pair of slide parts 22 are arranged so as to be slidable inside the pipe part 20, they can be held in either of the predetermined first and second positions, so the structure is simple and Not only is the installation workability good, but the watch band 2 can be prevented from accidentally falling off from the watch case 1.

In this case, in the watch band 2 of this wristwatch, the pipe portion 20 of the connecting member 15 is provided with each opening hole 25 into which the first and second lever portions 23 and 24 are movably inserted. The pair of slide parts 22 can be smoothly slid inside the pipe part 20 by the first and second lever parts 23 and 24, and thereby each protrusion part 22b of the pair of slide parts 22 can be reliably projected and retracted from inside the pipe part 20. can be done.

In addition, in the watch band 2 of this wristwatch, first and second lever parts 23 and 24 are movably disposed on both end sides corresponding to the pair of slide parts 22 in the mounting hole 18 of the band connecting piece 14. Since the opening portion 18a is provided corresponding to each opening hole 25 of the pipe portion 20, even if the pipe portion 20 is provided in the mounting hole 18, the first and second lever portions 23 and 24 cannot be attached. The open portion 18a of the hole 18 allows sliding in the axial direction of the mounting hole 18, and the pair of first and second lever portions 23 and 24 are rotated about the axial center of the pipe portion 20. It can be held in either of the two grooves 26 and 27.

Furthermore, in the watch band 2 of this wristwatch, of the first and second grooves 26 and 27, the pair of first grooves 26 are arranged so that each protrusion 22b, which is the outer end of the pair of slide parts 22, is connected to the pipe part 20. When the first and second lever parts 23 and 24 are respectively inserted into the inside of the housing, the first and second lever parts 23 and 24 rotate around the pair of slide parts 22 and are inserted, respectively. Since the pair of slide parts 22 is detachably held, it is possible to hold the pair of slide parts 22 in a predetermined first position, that is, in a position where each protrusion part 22b of the pair of slide parts 22 is pushed into the inside of the pipe part 20. can.

In addition, when the first and second lever parts 23 and 24 are inserted, these pair of first grooves 26 are connected to the first and second shafts that are at least a part of the first and second lever parts 23 and 24. By holding the portions 23b, the pair of slide portions 22 are temporarily moved to a predetermined first position where each of the protruding portions 22b of the pair of slide portions 22 is pushed into the inside of the pipe portion 20. The first and second lever parts 23 and 24 can be easily separated from the pair of first grooves 26, and the first and second lever parts 23 and 24 can be held in the pair of first grooves 26. can be easily released.

Further, the pair of second grooves 27 in the watch band 2 of this wristwatch are formed when the respective protrusions 22b, which are the outer ends of the pair of slide parts 22, are pushed out from the inside of the pipe part 20. Since the lever parts 23 and 24 rotate around the pair of slide parts 22 and are housed, the first and second lever parts 23 and 24 are removably held. It is possible to reliably hold the second position, that is, the position where each protruding part 22b of the pair of slide parts 22 is pushed out from the inside of the pipe part 20. Thereby, the band main body 13 can be reliably attached to the band attachment part 3 of the wristwatch case 1 by each protrusion part 22b of the pair of slide parts 22 pushed out from inside the pipe part 20.

That is, the pair of second grooves 27 are arranged so that when the first and second lever parts 23 and 24 are stored, the first and second lever parts 23 and 24 are exposed. 23 and 24 are housed and held in their entirety, the pair of slide sections 22b is pushed out from the inside of the pipe section 20, which is the predetermined second position. 22 can be well stored and held. Therefore, when it is attached to the arm, the first and second lever parts 23 and 24 are housed in the pair of second grooves 27, so that the first and second lever parts 23 and 24 are attached to the arm. Since there is no abutting and digging, the wristwatch can be used with the watchband 2 attached to the wrist.

In this case, the pair of second grooves 27 are the pair of second grooves 27 that releasably lock the first and second lever parts 23 and 24, respectively, when the first and second lever parts 23 and 24 are respectively housed. By providing the locking protrusion 27a, when the first and second lever portions 23 and 24 are housed in the pair of second grooves 27, the first and second lever portions 23 and 24 are locked into the pair. By climbing over the protrusions 27a, the first and second lever parts 23 and 24 can be reliably and satisfactorily locked into the pair of second grooves 27, whereby the first and second lever parts 23 , 24 can be reliably prevented from being inadvertently removed from the pair of second grooves 27.

In the above-described embodiment, a case was described in which a pair of hemispherical locking protrusions 27a were provided in a pair of second grooves 27, but the present invention is not limited to this, and for example, as shown in FIG. Even if the structure has a pair of chevron-shaped locking protrusions 27b formed with a steep slope on the side of the mounting hole 18 and a gentle slope on the back side away from the mounting hole 18, as in the first modified example shown in FIG. good.

Further, in the embodiment described above, a pair of locking protrusions 27a are provided in the second groove 27, and in the first modification described above, a pair of locking protrusions 27b are provided in the second groove 27. However, the present invention is not limited to this, and the locking protrusion 27a and the locking protrusion 27b may be provided not as a pair but only on one side of the band attachment portion 3 on the attachment protrusion 3a side within the second groove 27. It's okay.

Even in this case, since the pair of sliding parts 22 in the pipe part 20 of the connecting member 15 are urged in the direction of being pushed out by the spring force of the spring member 21, the first and second lever parts 23 and 24 The second shaft portions 23b and 24b can be removably locked in the second groove 27 by climbing over the locking protrusion 27a and the locking protrusion 27b. Furthermore, the locking protrusion 27a and the locking protrusion 27b may also be provided within the first groove 26. In this case as well, they do not need to be a pair, and may be provided only on one side of the band attachment portion 3 in the first groove 26 on the side of the attachment protrusion 3a.

Further, in the embodiment described above, a case has been described in which the pair of second grooves 27 are formed in substantially the same shape as the first and second lever parts 23 and 24, but the present invention is not limited to this. For example, as in a second modification shown in FIG. 10(b), a mortar-shaped taper portion is formed on the outer periphery of the pair of second grooves 27 for each second head 23a, 24a of the first and second lever portions 23, 24. 27c may be formed so that the first and second lever parts 23 and 24 can be easily pulled out from inside the pair of second grooves 27.

Further, in the embodiment described above, the pair of slide parts 22 provided on both sides of the pipe part 20 are provided with the first and second lever parts 23 and 24, respectively, and the band connecting pieces located on both sides of the pipe part 20 are provided with the first and second lever parts 23 and 24, respectively. Although the case has been described in which a pair of first and second grooves 26 and 27 for holding the first and second lever parts 23 and 24 are provided at 14 locations, the present invention is not limited to this. One of the first and second lever parts 23 and 24 is provided only on one of the pair of slide parts 22 provided on both sides, and the first lever part 23 and 24 are provided on one of the band connecting pieces 14 located on both sides of the pipe part 20. , a configuration in which only the second grooves 26 and 27 are provided may be used.

Further, in the above-described embodiment and its modification, the case where both the first and second grooves 26 and 27 are provided in the band connecting piece 14 has been described, but the present invention is not limited to this. A structure in which only one of the two grooves 26 and 27 is provided may be used.

Furthermore, in the embodiment described above, the watch band 2 has been described in which the band connecting piece 14 and the band main body 13 are separate members, and the band connecting piece 14 is attached to the end of the band main body 13 by the pin member 16. The present invention is not limited to this, and the end portions of the band connecting piece 14 and the band main body 13 may be integrally formed by molding or the like.

Further, in the above-described embodiments and their respective variations, the case where the invention is applied to a wristwatch has been described, but the present invention does not necessarily have to be a wristwatch, and can also be applied to, for example, a band for clothes, a bag, a bag, etc. .

Although one embodiment of this invention has been described above, this invention is not limited to this, but includes the invention described in the claims and its equivalents.
Below, the inventions described in the claims of the present application will be additionally described.

(Additional note)
The invention according to claim 1 includes a band main body, a band connecting part attached to an end of the band main body and provided with a mounting hole, and a sliding part that slides within a cylindrical part inserted into the mounting hole. a connecting member including a lever portion and removably protruding from the end of the cylindrical portion and attached to the case, and the band connecting portion is provided with a holding groove for detachably holding the lever portion. This is a band that is characterized by being

The invention according to claim 2 is the band according to claim 1, in which the holding groove is configured such that when the outer end of the sliding portion is pushed into the inside of the cylindrical portion, the lever portion The band is characterized in that it detachably holds the lever part by being inserted while rotating around the lever part.

The invention according to claim 3 is the band according to claim 2, wherein the holding groove holds at least a part of the lever part when the lever part is inserted. be.

The invention according to claim 4 is the band according to claim 1, in which the holding groove is configured such that when the outer end of the slide portion is pushed out from the inside of the cylindrical portion, the lever portion The band is characterized in that the lever portion is detachably held by being rotated around the lever portion and stored.

The invention according to claim 5 is the band according to claim 4, in which the holding groove stores the entire lever part in a state where the lever part is exposed when the lever part is stored. This is a band that is characterized by being held in place.

The invention according to claim 6 is the band according to claim 4 or 5, wherein the holding groove is a locking groove that releasably locks the lever portion when the lever portion is stored. This band is characterized by having a protrusion.

The invention according to claim 7 is the band according to claim 1, in which the holding groove is configured to hold the lever portion when the outer end portion of the slide portion is pushed into the inside of the cylindrical portion. 1 groove and a second groove that accommodates and holds the lever portion when the outer end portion of the slide portion is pushed out from the inside of the cylindrical portion. .

The invention according to claim 8 is the band according to any one of claims 1 to 7, wherein the connecting member is provided with the slide portions on both sides of the cylindrical portion, and the slide portions are provided on each of the slide portions. The band is characterized in that the lever part is provided, and the band connecting part is provided with the holding grooves corresponding to both sides of the cylindrical part of the connecting member.

The invention according to claim 9 is a timepiece characterized by comprising the band according to any one of claims 1 to 8.

1 Watch case 2 Watch band 3 Band attachment part 3a Attachment protrusion 3b Fixing hole 10 Case body 13 Band body 14 Band connecting piece 14a Wide part 14b Narrow part 15 Connecting member 16 Pin member 17 Pin insertion hole 18 Attachment hole 18a Open part 20 Pipe portion 20a Retaining portion 21 Spring member 22 Slide portion 22a Slide body 22b Projection portion 23, 24 First and second lever portions 23a, 24a First and second heads 23b, 24b First and second shaft portions 25 Opening holes 26, 27 First and second grooves 27a, 27b Locking projections

Claims (9)

The band body,
a band connecting part attached to an end of the band body and provided with a mounting hole;
a connecting member in which a slide part that slides in a cylindrical part inserted into the attachment hole is provided with a lever part, protrudes retractably from an end of the cylindrical part, and is attached to the case;
Equipped with
The band connecting portion is provided with a first groove and a second groove that detachably hold the lever portion at different positions in the width direction of the corresponding band body,
The first groove holds the lever part when the outer end of the slide part is pushed into the cylindrical part,
The band is characterized in that the second groove accommodates and holds the lever portion when the outer end portion of the slide portion is pushed out from the inside of the cylindrical portion. 2. The band according to claim 1, wherein when the outer end of the slide portion is pushed into the cylindrical portion, the lever portion rotates around the slide portion and is inserted into the first groove. The band is characterized in that the lever part is detachably held by being held by the lever part. 3. The band according to claim 2, wherein the first groove holds at least a portion of the lever portion when the lever portion is inserted. 2. The band according to claim 1, wherein the second groove is arranged so that when the outer end portion of the slide portion is pushed out from the inside of the cylindrical portion, the lever portion rotates around the slide portion and is accommodated. The band is characterized in that the lever portion is detachably held by being held by the lever portion. 5. The band according to claim 4, wherein the second groove accommodates and holds the entire lever portion in a state where the lever portion is exposed when the lever portion is housed. band. The band according to claim 4 or 5, wherein the second groove includes a locking protrusion that releasably locks the lever portion when the lever portion is stored. A featured band. The band according to any one of claims 1 to 6 , wherein the connecting member is provided with the sliding portions on both sides of the cylindrical portion, and the lever portion is provided on each of the sliding portions, The band connecting portion has the first groove and the second groove formed in a region corresponding to one side of the cylindrical portion , and the first groove and the second groove formed in a region corresponding to the other side of the cylindrical portion. A band characterized in that a second groove is formed. The band according to any one of claims 1 to 7 , wherein the length of the first groove in the direction perpendicular to the axial length of the sliding part is the length of the first groove in the direction perpendicular to the axial length of the sliding part. A band characterized in that the length of the second groove is shorter than the length of the second groove. A timepiece comprising a band according to any one of claims 1 to 8 .

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