JP2000310686A - Portable watch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for preventing the damage of a claw part when the center part of a lid is pressed with strong force. SOLUTION: In a portable watch provided with a lid 4 of which one end is rotatably supported by a watch indication part 2 which has a claw part 4c touching a frame part 2c placed on the watch indication part 2 at the other end for installing in the fitting part 2b of the frame part 2c, touching parts 4f and 4f touching the tip end of the frame part 2c are provided on both sides of the claw part 4c of the lid 4 and the touching surface of the touching parts 4f and 4f is placed below the claw part 4c so that a gap is formed between the claw part 4c and the frame part 2c when the touching part 4f and 4f touch the frame 2c and the frame part 2c and the claw part 4c do not touch when the center part of the lid 4 is pressed with strong force. Thus, damage of the claw part 4c is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable timepiece having a cover for a time display unit, and the time display unit being visible by opening and closing the cover with respect to the time display unit.

[0002]

2. Description of the Related Art As shown in FIG.
Protects the time display unit 2 by providing a cover 4 that can be opened and closed with respect to the time display unit 2. That is, one end 4a of the lid 4 is rotatably supported by one side 2a of the clock display unit 2 by a hinge structure or the like, and the claw 4c provided on the other end 4b of the lid 4 is The cover 4 is attached to the engagement groove 2b provided in the frame portion of the timepiece display unit 2 so as to be attached.
To protect the time display unit 2.

[0003] The claw portion 4c provided on the lid 4 is configured as shown in FIG.
As shown in FIG. 2, the upper and lower sides have a substantially triangular shape having two inclined surfaces 4d and 4e. That is, when the claw 4c is mounted in the engagement groove 2b of the timepiece display 2, the claw 4c is temporarily attached to the tip of the frame 2c of the timepiece display 2.
By pressing the portion A (near the claw portion 4c of the lid portion 4) shown in FIG. 5 with a finger from the state where the inclined surface 4e is in contact with the lid portion 4, the lid body 4 usually formed of a plastic material is bent. 6, a force acts in the direction D (direction shown in the figure), and the claw portion 4c is mounted on the engagement groove 2b while sliding on the inner wall of the frame portion 2c.

[Problems to be solved by the invention]

When the lid 4 is pressed from the portion A shown in FIG. 5, the claw portion 4c can slide on the inner wall of the frame portion 2c with a predetermined sliding power and can be mounted in the engagement groove 2b. When the part B shown in FIG. 4 (the center part of the lid 4) is pressed with a finger, the lid 4 is elastically deformed so as to extend slightly outward, and the claw is provided in the direction C shown in FIG. A force acts (in a diagonal direction) so that the claw portion 4c is not attached to the engagement groove 2c, and the tip of the frame portion 2c and the inclined surface 4e of the claw portion 4c remain in contact. In this state, when the lid 4 is pressed from the portion B with a stronger force, the claw portion 4c is deformed, and the claw portion 4c is thereafter moved to the engagement groove 2b.
There is a problem that the function of the lid does not last long.

Accordingly, the present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a structure for preventing breakage of a claw portion when a portion B (center portion of a lid) is strongly pressed. To provide.

[0006]

In order to solve the above-mentioned problems, one end is rotatably supported by a clock display, and the other end abuts on a frame provided on the clock display. A portable timepiece provided with a lid having a claw elastically attached to the engagement groove of the above, provided with a contact portion that abuts on the tip of the frame portion next to the claw portion of the lid, The contact surface is provided below the claw portion, and a gap is formed between the claw portion and the frame portion when the contact portion contacts the frame portion. With this configuration, when the lid is pressed from the portion B, the contact surface of the contact portion is provided below the claw portion in a side view, so that the frame portion and the claw portion do not abut, thereby preventing damage to the claw portion. it can.

Further, one end is rotatably supported by the timepiece display portion, and the other end abuts on a frame portion provided on the timepiece display portion, and is elastically mounted in an engagement groove of the frame portion. In a portable timepiece provided with a lid having a, a contact portion that comes into contact with a peripheral portion of the lid is provided next to the engagement groove of the frame portion, and when the contact portion comes into contact with the lid, the frame portion and It was configured such that a gap was formed between the hook and the claw. With this configuration, when the lid is pressed from the portion B, a gap is formed between the frame portion and the claw portion, so that the claw portion and the frame portion do not abut, and the claw portion is damaged. Can be prevented.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a portable timepiece according to the present invention will be described with reference to FIGS. FIG.
FIG. 2 is a cross-sectional view showing the entire portable timepiece, FIG. 2 is a cross-sectional view of a main part showing a state in which a contact portion provided on a lid and a front end of a frame portion are in contact, and FIG. FIG. 5 is a cross-sectional view of a main part showing a state in which is engaged with an engagement groove. The same components as those in the conventional example are denoted by the same reference numerals.

As shown in FIG. 1, a portable timepiece 1 according to this embodiment includes a timepiece display section 2 for displaying time and a lid 4 whose one side 2a is rotatably supported by the timepiece display section. It is configured. The clock display unit 2 includes a body, in which a movement and a dial for displaying time, hands such as an hour hand and a minute hand, a windshield cover for protecting the hands, and the like are stored. A ring-shaped frame portion 2c is formed on the outer peripheral edge of the body. The frame portion 2c is provided at a position higher than the outer surface of the windshield cover as shown in FIG. 1, and forms a space for accommodating a lid 4 described later. An engagement groove 2b for engaging a claw 4c formed on the lid 4 described later is formed on an inner peripheral surface of the ring-shaped frame.

As described above, the lid 4 is rotatably supported by the one side 2a of the timepiece main body 2 by a hinge structure or the like, and the claw 4c provided on the other end 4b of the lid 4 as described above. Is mounted in the engagement groove 2b provided in the frame portion of the timepiece display section 2 to cover and protect the time display section 2 with the lid 4. As shown in FIG. 2, the claw portion 4c provided on the lid 4 has a substantially triangular shape in a side view having two upper and lower inclined surfaces 4d and 4e. The lid 4 is provided with contact portions 4f, 4f having a substantially quadrangular prism shape and protruding outward on both sides of the claw portion 4c. This contact portion 4f,
4f, as shown in FIG. 2, the lower end portions of the contact portions 4f, 4f are set so as to be located below the corresponding inclined surface 4e of the lower surface of the claw portion 4c by S in the figure.
It is set so as to be located only inward in the drawing.

As shown in FIG. 2, when the lid 4 is rotated to cover the time display section 2, the contact sections 4f, 4f are connected to the lower end portions of the contact sections 4f, 4f and the frame section 2c. Is larger than the distance from the support portion of the lid to the upper end surface of the frame portion 2c so that the upper end surfaces of the contact portions are in contact with each other.
The distance to the lower end of f is set slightly longer.
Therefore, in this state, the inclined surface of the claw portion 4e does not contact the upper end surface of the frame portion 2c.

Next, from the state where the lower surfaces of the contact portions 4f, 4f shown in FIG. 2 and the upper end surface of the frame portion 2c are in contact, A shown in FIG.
A case in which the portion (near the claw portion 4c of the lid 4) is pressed by a finger with a predetermined force will be described. When part A is pressed in the downward direction in the figure (in the direction from the claw 4c toward the engagement groove 2b) with a finger, FIG.
D direction (direction from the claw portion 4c to the engagement groove 2b)
The pressing force acts on the claw 4c. Accordingly, the lid 4 slightly bends inward, and the contact portions 4f, 4f and the claw portion 4c slide on the sliding surface 2d, and the engaging groove 2b formed below the sliding surface 2d. Engages. The contact portions 4f, 4
As shown in FIG. 2, f has a substantially quadrangular prism shape when viewed from the side, but an inclined surface (not shown) is formed at the tip of the lower surface so that the sliding surface 2d can be easily slid. I have.

When the lower part of the contact parts 4f, 4f shown in FIG. 2 and the upper end face of the frame part 2c are in contact with each other, the part B (the center part of the lid 4) shown in FIG. 1 is pressed with a finger. explain.
When the portion B is pressed downward with a finger in the figure (the direction from the center of the cover 4 toward the clock display 2), the cover 4 bends outward, and the lower surfaces of the contact portions 4f, 4f and the frame are pressed. A pressing force acts in a direction C (oblique direction) shown in FIG. Therefore, a force in an oblique direction acts on the lower surfaces of the contact portions 4f, 4f and the upper end surface of the frame portion 2c, so that the claw portion 4c does not slide on the sliding surface 2d, but moves below the sliding surface 2d. Cannot be engaged with the engagement groove 2b formed in the second groove.

Even if the portion B is pressed with a predetermined pressing force (in FIG. 1, the force that can be applied to the claw portion 4c when pressing the portion A in the engagement groove 2b), the claw portion 4c is engaged. When it cannot be mounted in the mating groove 2b and further presses the portion B with a force higher than a predetermined force, a strong oblique direction is formed between the lower surfaces of the contact portions 4f, 4f and the upper end surface of the frame portion 2c. The force acts, but at this time,
Since the claw 4e does not contact the upper end surface of the frame 2c, the claw 4c does not collapse.

In the previous example, the contact portions 4f, 4f were formed on the lid side, but as shown in FIG. 4, the contact portions 2e, 4e were formed on the frame portion 2c side.
2e may be provided. In addition, the contact portions 2e, 2e
When the lid is closed, a gap is provided between one contact portion 2e and the other contact portion so that the claw portion 4c can be inserted therethrough. At this time, the contact portion 2c extends from the support portion of the lid 4 to the contact portion 2c.
Than the distance from the support of the lid 4 to the tip of the lid 4
The distance to both sides of the claw portion 4c is set slightly longer. On the upper surfaces of the contact portions 2e, 2e, there are formed inwardly inclined surfaces, so that when the portion A is pressed, the lid portion 4 can get over the contact portions 2e, 2e. .

[0016]

As described above, according to the present invention,
One end is rotatably supported by the clock display unit, and the other end is in contact with a frame provided on the clock display unit, and a lid body having a claw elastically attached to an engagement groove of the frame. In the portable timepiece provided, a contact portion is provided adjacent to the claw portion of the lid, which abuts on the tip of the frame portion, and a contact surface of the abutment portion is provided below the claw portion,
When the contact portion contacts the frame portion, a gap is formed between the claw portion and the frame portion.

Further, one end is rotatably supported by the timepiece display portion, and the other end abuts on a frame portion provided on the timepiece display portion, and the claw portion is elastically attached to the engagement groove of the frame portion. In a portable timepiece provided with a lid having a, a contact portion that comes into contact with a peripheral portion of the lid is provided next to the engagement groove of the frame portion, and when the contact portion comes into contact with the lid, the frame portion and It was configured such that a gap was formed between the hook and the claw.

Therefore, when the lid is pressed from the portion B, a gap is formed between the frame portion and the claw portion, so that the claw portion and the frame portion do not abut, and the claw portion is damaged. Can be prevented and the watch can last longer.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a portable timepiece according to a specific example.

FIG. 2 is a cross-sectional view of a main part of the portable timepiece according to the specific example, showing a state in which a contact portion provided on a lid and a front end of a frame portion are in contact with each other.

FIG. 3 is a cross-sectional view of a main part of the portable timepiece according to the specific example, showing a state in which a claw provided on a lid is engaged with an engagement groove.

FIG. 4 is a main part plan view showing another specific example and showing a state where a peripheral portion of a lid and a contact portion are in contact with each other.

FIG. 5 is a sectional view showing a conventional portable timepiece.

FIG. 6 is an essential part cross-sectional view showing a conventional portable timepiece, showing a state in which a claw portion and a frame portion are in contact with each other.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Portable watch 2 Clock display part 2a One side part 2b Engagement groove 2c Frame part 2d Sliding surface 2e Contact part 4 Lid 4a One end 4b Other end 4c Claw 4d Inclined surface 4e Inclined surface 4f Contact portion

Claims (2)

[Claims] An end portion rotatably supported by the timepiece display portion, and the other end portion abutting against a frame portion provided on the timepiece display portion;
In a portable timepiece provided with a lid having a claw portion elastically attached to an engagement groove of the frame portion, a contact portion abutting on a tip portion of the frame portion next to the claw portion of the lid body. The contact surface of the contact portion is provided below the claw portion, and when the contact portion contacts the frame portion, a gap is formed between the claw portion and the frame portion. A portable timepiece characterized by comprising: 2. One end is rotatably supported by the clock display unit, and the other end is in contact with a frame provided on the clock display unit,
In a portable timepiece provided with a lid having a claw portion elastically attached to an engagement groove of the frame portion, a contact portion abutting on a peripheral portion of the lid body is provided next to the engagement groove of the frame portion. A portable timepiece, wherein a gap is formed between the frame portion and the claw portion when the contact portion contacts the lid.