JPH07289316A - Buckle for diver band - Google Patents

Abstract

PURPOSE:To eliminate a disadvantage such that a buckle is unexpectedly released and so forth, and to enhance the safety by closing an upper cover and a safety cover so as to restrain bifolding means from opening and closing, and by opening the safety cover so as to allow a push button unit to be manipulated. CONSTITUTION:A buckle 10 for a diver band is composed of end parts of a pair of bands 1, 2, and a cover 12 and a coupling piece 17c are connected to a connection pin and an adjusting pin. The locking and unlocking of the buckle 10 are made by the upper cover 12 and the safety cover 14, and when the upper cover and the safety cover 14 are closed, hook parts in a push button unit 13 clamp a lock so as to restrain bifolding means 11 from opening and closing. Even though a push button unit 13 is depressed on opposite sides, the opening manipulation of the upper cover 12 is restrained since the safety cover 14 is closed. It is noted that if the upper cover 12 and the safety cover 14 are closed, the safety cover 14 is received in a recess in the safety cover 14 so that no projecting part is present, thereby it is possible to prevent the safety cover 14 from unexpectedly opening.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buckle for a diver band, and more particularly to a diver watch having a band length of 2 mm.
It has a function of changing to stages.

[0002]

2. Description of the Related Art A diver's watch is used in a significantly changing environment such as land and water.

[0003]

When attaching the diver's watch to the wrist or the like, it is conceivable to use an existing watch band and a fastener, but with the changes in the environment,
For example, when changing the wearing position from wrist to arm,
The length of the band needs to be adjusted over a wide range. Also, in water, due to the influence of water pressure, the wet suit may expand and contract, and it may be necessary to adjust the amount of expansion and contraction.However, with existing fasteners for watch bands, It cannot be used for such purposes.

The present invention has been made in view of these circumstances, and has the following objects. Improve safety by eliminating problems such as the buckle coming off accidentally. Simplify each length adjustment operation in two stages. To reduce the occurrence of phenomena such as being caught on clothes by reducing the protruding parts.

[0005]

A buckle for a diver band according to the present invention is arranged in a connected state between the ends of a pair of bands, and has two folding means attached to one of the bands. , An upper lid which is attached to the end portion by a connecting pin and is connected to the other band and covers the two folding means, a push button unit arranged on the upper lid, and a push button unit arranged on the two folding means. A configuration is adopted that includes a locking tool that is locked and released by an operation, and a safety lid that is rotatably supported by the two-folding means and that covers the upper lid in a covered state. In the double-folding means, a main body case and an intermediate plate housed therein are rotatably connected by a main pin, and a locking tool is arranged on the main body case so as to project upward. Is adopted. A length adjusting mechanism is arranged between the main body case of the two-folding means and one of the bands, and the length adjusting mechanism projects from the main body case and is connected to one of the bands via a connecting pin. And a cam mechanism arranged between the slider and the base of the safety lid to restrain and release the movement of the slider. A structure in which a plurality of saw teeth are arranged on the side of the slider and a lock mechanism that allows the cam mechanism to move in a direction to reduce the protrusion amount of the slider and restrains the movement in the protrusion direction is added. The cam mechanism is additionally provided with a structure that can be activated by opening the safety lid beyond the release limit of the upper lid. On the upper surface of the upper lid, a configuration in which a concave portion for accommodating the tip portion of the safety lid is arranged is added.

[0006]

Function: The buckle for diver bands is interposed between the ends of the pair of bands to establish a connected state. When the upper lid and the safety lid are closed, the opening and closing of the two-folding means is suppressed, and when the safety lid is open, the push button unit can be operated. By pushing the push button unit, the upper lid and the two-folding means can be operated. Is released. By opening the two-folding means, the inner plate is pulled out from the inside of the main body case to increase the size, and when the two-folding means is closed, the middle plate is stored inside the main body case and stored thinly. The push button unit is locked to the locking tool. The length of the entire buckle is adjusted by moving the slider in the length adjusting mechanism. The operation of pulling out the slider to increase the size is performed by the operation of the cam mechanism, and the cam mechanism can be operated by the operation of opening the safety lid beyond the release limit of the upper lid. When the safety lid is opened beyond the release limit, the locking mechanism releases the serrations on the sides of the slider, allowing the slider to be pulled out and increasing the overall buckle length. To reduce the length of the entire buckle,
The operation is performed by pushing the slider into the main body case, and once pushed, the pullout is restrained until the safety lid is opened beyond the upper limit of the upper lid. In the safety lid, the buckle is housed in the concave portion on the upper surface of the upper lid to reduce the thickness of the entire buckle and prevent the tip end portion from projecting beyond the upper surface of the upper lid and being inadvertently opened.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the buckle for a diver band according to the present invention will be described below with reference to FIGS.

In these drawings, reference numerals 1 and 2 denote diver band pieces (bands), 10 a diver band buckle, 11 folding means, 12 an upper lid, 13 a push button unit, 14 a safety lid, and 15 Is a locking tool, 16 is a length adjusting mechanism, 17 is a slider, 18 is a cam mechanism, 19
Is a locking mechanism. These details will be described below.

As shown in FIGS. 1 and 2, the diver band pieces 1 and 2 are, for example, diver watch bands (so-called watch bands) worn on the wrist, and are connected between their ends. Buckle for diver band 1
0 is allocated.

As shown in FIG. 1, FIG. 2 and FIG. 15, the two-folding means 11 of the diver band buckle 10 includes a body case 11A and an intermediate plate 11B which can be accommodated therein. Between the two are rotatably connected by a main pin 11C, one band 1 is attached to the front end side of the main body case 11A via a slider 17, and the coupling pin 20 is connected to the front end of the intermediate plate 11B by two folding means. 1
An upper lid 12 covering the top of 1 is rotatably attached.

As shown in FIGS. 1 to 3, the other band 2 is connected to the upper lid 12 by an adjusting pin 21, and the connecting positions of the other bands 2 are a plurality of the upper lid 12 using the adjusting pin 21 as a "spring" rod. It is adjusted by changing the engagement position with the adjusting hole 12a. A recess 12b for accommodating the bridge-shaped tip of the safety lid 14 to reduce the amount of protrusion to the upper surface is arranged on the upper surface of the upper lid 12, and the safety lid 14 is connected to the recess 12b. An operation recess 12c is formed for inserting a finger or a nail when the tip edge portion of the is pryed. A spacer 12d is provided at the tip of the middle plate 11B of the two-folding means 11 so as to engage with the upper lid 12 when the lid 12 is covered and to suppress the displacement in the left-right direction.

As shown in FIG. 1, FIG. 8 and FIG. 9, the push button unit 13 is arranged inside the upper lid 12 in a built-in state, and is selected between a locked state with the locking tool 15 and a released state. By this, whether to open or close the two-folding means 11 is set. As shown in FIG. 9, the push button unit 13 includes a rectangular tubular guide 12 inside the upper lid 12.
Two movers 13a that are movably supported by e and are combined in a facing state, a spring 13b that moves the mover 13a by a biasing force, and a mover 13
a button portion 13c which is a protruding portion of a, and the button portion 13
A hook portion 13d arranged at a position opposite to c, an inclined surface 13e formed downward on the hook portion 13d, and a step portion 13 for accommodating a spring 13b and receiving a biasing force.
f and 13g are formed. 9 (a) and 9 (b) are bottom views, and therefore the lower inclined surface 13e is shown. The protrusion of the mover 13a due to the biasing force of the spring 13b causes the pair of hook portions 13d in the opposed state to project.
Is suppressed when it is in a contact state, or as described later, when a locking tool 15 is interposed between a pair of hook portions 13d and is in a sandwiching state.

As shown in FIG. 4, the safety lid 14 is rotatably supported by a mounting pin 22 on a side portion of the main body case 11A of the folding means 11 and covers the upper lid 12 shown in FIG. By selecting the state in which the "open" operation of the upper lid 12 is suppressed, the state shown by the chain line in FIG. 13 at an angle α (about 90 degrees), and the state shown in FIG. 14 at the angle β (about 120 degrees) opened. The diver band buckle 10 is set in different states as described later. And, between the safety lid 14 and the side portion of the main body case 11A,
The clicked portion 23 is made of an uneven fitting for notifying the closed state and the opened state of about 90 degrees by increasing the rotation resistance and holding the same and for clarifying the position.
A and 23B are arranged, and an operation portion 14a that engages with the cam mechanism 18 is arranged at a position near the base portion of the safety lid 14.

As shown in FIGS. 4, 5 and 10, the locking member 15 is arranged at the center of the inside of the main body case 11A of the two-folding means 11 so as to project upward, and the above-mentioned push-pull is provided. Hook portion 13 of the button unit 13
An overhang portion 15a for locking d and a guide portion 15b for sliding the inclined surface 13e of the hook portion 13d.
And have. The locking tool 15 is formed by a method such as pressing a metal plate such as stainless steel, and is attached to the body case 11A by welding or the like.

As shown in FIG. 15, the length adjusting mechanism 16 is arranged between the main body case 11A of the folding means 11 and the band 1 on one side. As shown in FIG. 11, a slider 17 slidably disposed inside the main body case 11A and connected to one of the bands 1 through a connecting pin 24, a slider 17 and a safety lid 1
4 and the cam mechanism 18 shown in FIG. 12 which is arranged between the base portion 4 and the safety lid 14 and is operated by an opening operation and a returning operation that exceed the release limit of the safety lid 14, and the movement of the slider 17 connected to the cam mechanism 18 is restricted. And a lock mechanism 19 shown in FIG. 4 for releasing.

As shown in FIGS. 4 and 11, the sliders 17 are arranged in a pair on the left and right sides, and the body case 1
Guide part 17a slidably supported inside 1A
A plurality of saw teeth 17b integrally formed on the inner side of the guide portion 17a and engaging with the lock mechanism 19, and a connecting piece 17c for integrally connecting the pair of left and right guide portions 17a to the connection pin 24. , And a fixing sawteeth 17d for fixing the slider 17 in the most retracted state by engaging with the lock mechanism 19 provided at the tips of the plurality of sawteeth 17b.

The cam mechanism 18 includes the safety lid 14 and the upper lid 1.
It is operated by opening the opening beyond the release limit of 2 (operation from angle α to angle β).
2, is rotatably supported, and as shown in FIGS. 3, 4, 6, 12, and 15, etc., a rotary drive unit 18a that engages with the operation unit 14a of the safety lid 14 to drive rotation. A lock releasing portion 18b that engages with the lock mechanism 19 and operates in the releasing direction at the time of rotation, and a stopper 18c that sets the rotation limit by contacting the inner bottom portion of the main body case 11A and suppresses the rotation of the safety lid 14. Have

The lock mechanism 19 includes an assembling pin 22.
The slider 17 is fixed to and unlocked from the slider 17 as shown in FIG. 4 and FIG. A pair of left and right moving pieces 19a driven toward the center by the compression springs, a compression spring 19b for pushing the moving pieces 19a outwards, and a plurality of saw teeth 17 of the slider 17 arranged in connection with the moving piece 19a when protruding.
b, a latch piece 19c that engages the fixing saw teeth 17d and restrains the protruding movement of the slider 17, and a guide portion 19d that linearly supports the moving piece 19a and the latch piece 19c.
And have.

The diver watch of the buckle for a diver band constructed as described above,
The length adjustment operation for each type will be described below.

The diver band buckle 10 has an upper lid 12 and a connecting piece 17 with respect to the ends of the pair of bands 1 and 2.
The portion c is connected by the connection pin 24 and the adjustment pin 21.

The attachment and detachment of the diver watch, that is, the attachment and detachment of the buckle 10 for the diver band is performed by the upper lid 12 and the safety lid 14. As shown in FIG. 1, the upper lid 1
2 and the safety lid 14 are closed, the hook portion 13d of the push button unit 13 holds the locking tool 15 to prevent the folding means 11 from being opened and closed. At this time, even if the push button unit 13 is pushed from both sides, the opening operation of the upper lid 12 is suppressed because the safety lid 14 is closed. When the upper lid 12 and the safety lid 14 are closed, the safety lid 14 is accommodated in the concave portion 12b of the upper lid 12 and has no protruding portion.
Is prevented from being opened carelessly.

When the safety lid 14 is opened by an angle α as shown in FIG. 13 by inserting fingers into the operation recessed portion 12c of the upper lid 12, the function of the click portion 23B works and resistance is added to the opening to open it. The angle can be confirmed.

When the safety lid 14 is opened, the hook portion 13d releases the holding of the overhang portion 15a of the locking tool 15 by pushing the button portion 13c of the push button unit 13, and the hook portion 13d is folded in two together with the upper lid 12. By the operation of opening the means 11, the intermediate plate 11B is pulled out from the main body case 11A, the size is increased, and the operation such as removing the diver watch from the wrist becomes possible.

When attaching a diver's watch or the like to the wrist, when the two-folding means 11 is closed, the middle plate 11B is housed in the main body case 11A to reduce the overall thickness, and the upper lid 12 is doubled. By covering the folding means 11,
The push button unit 13 is locked to the locking tool 15. In other words, the inclined surface 13 e of the moving element 13 a of the push button unit 13 has the guide portion 15 of the locking tool 15.
It comes into contact with b, gets over the overhang portion 15a, and is caught by the overhang portion 15a by the holding force of the hook portion 13d. Next, the safety lid 14 is attached to the
By returning from the position indicated by the chain line to the position indicated by the solid line, the initial mounting position is obtained.

The usual adjustment of the lengths of the bands 1 and 2 is carried out by a known conventional means. That is, the band 2 and the upper lid 1
2 and the adjustment pin 21 for the adjustment hole 12a
It is implemented by changing the engagement position of.

Next, another length adjusting operation will be described below. Slider 17 in length adjusting mechanism 16
Is normally stored in the most contracted state, and as shown in FIG.
The latch piece 19c is pushed out by the urging force of b, meshes with the fixing saw teeth 17d of the slider 17, and is in a state of being prevented from moving.

The length adjustment mechanism 16 adjusts the length by opening the safety lid 14 to an angle β, as shown in FIG. As shown in FIG. 13, when the safety lid 14 is opened by an angle α, the function of the click portion 23B works to notify the limit of opening, but when force is applied to remove the click portion 23B and the safety lid 14 is opened. , The operating portion 14a of the safety lid 14 pushes and rotates the rotation driving portion 18a of the cam mechanism 18 at the position of the angle β, so that the lock releasing portion 18b operates the moving piece 19a of the lock mechanism 19 and the latch piece 19c. Moves away from the fixing saw teeth 17d of the slider 17 while reducing the compression spring 19b, and the slider 17 can be pulled out as shown in FIG.

When the safety lid 14 is closed to the angle α or less after pulling out the slider 17 by a necessary amount, the operating portion 14a is separated from the rotary driving portion 18a, and the compression spring 19b in the lock mechanism 19 causes the latch pieces 19c to move to both outer sides. Then, the latch piece 19c is engaged with one of the saw teeth 17b, and the movement of the slider 17 in the pull-out direction is blocked.

When the entire length of the diver band buckle 10 is shortened, the slider 17 is attached to the body case 11A.
It is done by pushing it in. When the slider 17 is pushed in once, the latch piece 19c meshes with one of the saw teeth 17b and returns to the state in which the withdrawal is blocked.

Therefore, in the diver band buckle 10 having such a function, the normal band 1,
In addition to the length adjusting function of 2, the slider 17 can be pulled out to the maximum as shown in FIG. This function is used to increase the size, for example, when changing the diver watch from the wrist to the arm (on clothes, etc.), and when the safety lid 14 is wide open and the slider 17 is pulled out, Can be easily carried out by pushing in the slider 17 after mounting and absorbing the extra dimension.
Cannot be pulled out until the safety lid 14 is wide open again, so that the safety at the time of mounting is maintained.

[0031]

The buckle for a diver band according to the present invention has the following effects. (1) An upper lid that covers the two-folding means, a push button unit arranged on the upper lid, a locking device that is locked and released by the operation of the push button unit, and a rotatable two-folding means. By providing a safety lid that is supported and covers the top lid, the top lid and the folding means cannot be opened unless the safety lid is opened, so that the buckle accidentally comes off. To improve safety. (2) In the two-folding means, the intermediate plate is housed inside the main body case, and the locking tool is arranged on the main body case, whereby an increase in the overall thickness can be suppressed. (3) A length adjusting mechanism is arranged between the two folding means and one of the bands, and the length is adjusted by pulling out the slider, so that two length adjusting operations can be performed. At the same time, it is possible to easily attach the parts to parts having different thicknesses and expand the use of the buckle for diver bands. (4) By restraining the slider from being pulled out by the safety lid, it is possible to prevent the slider from being pulled out carelessly and ensure safety. (5) The usability can be improved by combining the saw teeth on the side of the slider and the lock mechanism to allow the slider to move in the direction in which the protrusion amount is reduced and restrain the movement in the protruding direction. (6) By interlocking the operation of opening the safety lid beyond the release limit of the upper lid with the length adjustment mechanism, safety can be dramatically improved. (7) By accommodating the tip of the safety lid in the concave portion of the upper lid and eliminating the protruding portion, it is possible to prevent erroneous operation such as clothes getting caught.

[Brief description of drawings]

FIG. 1 is a perspective view of an assembled state showing an embodiment of a diver band buckle according to the present invention.

FIG. 2 is a front view showing an embodiment of the buckle for a diver band according to the present invention.

FIG. 3 is a front cross-sectional view showing an embodiment of a diver band buckle according to the present invention.

FIG. 4 is a partially cutaway plan view showing an embodiment of a diver band buckle according to the present invention.

5 is a cross-sectional view showing the push button unit and the like in FIG. 2 in different positions.

6 is a transverse cross-sectional view showing the lock mechanism and the like in FIG. 4 in different positions.

7 is a front cross-sectional view showing a portion such as an upper lid, a safety lid and a push button unit in FIG.

8 is a front cross-sectional view showing a portion such as an upper lid and a lock mechanism in FIG.

9 is a bottom cross-sectional view and a perspective view showing a part of the push button unit in FIG.

10 is a plan view, a front view, and a side view showing the structure of the two-folding means in FIG.

11A and 11B are a plan view, a front view, and a side view showing a structure of the slider in FIG.

FIG. 12 is a side view showing the structure of the cam mechanism in FIG.
It is a top view and a front view.

13 is a front view with a part omitted showing the relationship between the opening and closing of the safety lid and the click part in FIG. 2. FIG.

14 is a front view with a part omitted showing the relationship between the opening and closing of the safety lid and the cam mechanism in FIG. 2. FIG.

15 is a front cross-sectional view showing the relationship between the two folding means, the upper lid, the safety lid, the slider and the like in FIG.

[Explanation of symbols]

 1, 2 Diver band piece (band) 10 Buckle for diver band 11 Two folding means 11A Main body case 11B Middle plate 11C Main pin 12 Upper lid 12b Recess 12c Operation recess 12e Guide 13 Push button unit 13a Mover 13b Spring 13c Button 13d Hook part 13e Sloping surface 13f, 13g Step part 14 Safety lid 14a Operation part 15 Locking tool 15a Overhang part 15b Guide part 16 Length adjusting mechanism 17 Slider 17a Guide part 17b Saw tooth 17c Connecting piece 17d Fixing saw tooth 18 Cam mechanism 18a Rotation drive part 18b Lock release part 18c Stopper 19 Lock mechanism 19a Moving piece 19b Compression spring 19c Latch piece 19d Guide part 20 Coupling pin 21 Adjustment pin 22 Assembly pin 23A, 23B Click part 2 4 connection pins

Claims (6)

[Claims] 1. A band buckle disposed in a connected state between ends of a pair of bands, wherein one band (1) is provided.
A folding means (11) attached to the first folding means and an upper lid (12) attached to the end of the folding means (11) and connected to the other band (2) to cover the folding means.
And a push button unit (13) arranged on the upper lid
And a locking member (15) arranged on the two-folding means and locked and released by the operation of the push button unit, and rotatably supported by the two-folding means and covering the upper lid. A buckle for a diver band, comprising a safety lid (14). 2. The two-folding means (11) rotatably connects a main body case (11A) and an intermediate plate (11B) housed therein by a main pin (11C),
The buckle for a diver band according to claim 1, wherein a locking member (15) is arranged on the body case so as to project upward. 3. A body case (1) of the folding means (11).
1A) and one band (1), a length adjusting mechanism (16) is arranged, and the length adjusting mechanism projects from the main body case and one band (1) through the connecting pin (24). )
A slider (17) connected to the above, and a cam mechanism (18) arranged between the slider and the base of the safety lid (14) for restraining and releasing the movement of the slider. Alternatively, the buckle for a diver band described in 2. 4. A plurality of saw teeth (17b) are arranged on the side of the slider (17) to allow the cam mechanism (18) to move in a direction to reduce the amount of protrusion of the slider and to restrain the movement in the protruding direction. The buckle for a diver band according to claim 3, wherein a locking mechanism (19) is arranged. 5. The buckle for a diver band according to claim 3, wherein the cam mechanism (18) is operated by opening the safety lid (14) beyond the release limit of the upper lid (12). . 6. The diver according to claim 1, 2, 3, 4 or 5, characterized in that a recess (12b) for accommodating the tip of the safety lid (14) is arranged on the upper surface of the upper lid (12). Buckle for band.