JPH0411189Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to the structure of a clock used as an ornament, for example.

(Prior Art) Timepieces have heretofore been known in which a timepiece body is fitted and fixed into a fitting hole in the front of a decorative wooden frame or glass frame.

By the way, the applicant of the present application previously proposed this type of watch. In the first example, a rising piece is integrally formed on a mounting plate with a watch mechanical body on the back side, and a parallel protrusion and a locking protrusion are integrally formed on this rising piece. Furthermore, two pillars are erected at positions facing this protrusion with a slight gap between them. In addition, the leaf spring for holding the watch body in the insertion hole of the frame body has a tongue piece bent in a V-shape from the side on one side of the base, and the plate spring is latched to this base. A hole was formed, and a contact portion that came into elastic contact with the inner surface of the frame was formed at the tip of the tongue piece.

Therefore, in order to insert the watch body into the insertion hole of the frame, push the base of the leaf spring between the protrusion of the rising piece of the frame and the pillar, and then press the base of the leaf spring between the locking hole of the leaf spring and the pillar of the rising piece. The locking protrusion is engaged with the watch body in this state, and the watch body is inserted into the insertion hole so that the tongue portion or the contact portion comes into elastic contact with the inner peripheral surface of the insertion hole. (Utility Model Publication No. 59-89280).

In addition, as a second example, a tongue piece made of an elastically deformable material is formed on a back cover that covers the watch mechanism and is fixed to the watch body, and protrudes outward from the peripheral wall of the back cover. had a rough surface with high frictional resistance. In this back cover, when the watch body was fitted into the fitting hole of a decorative frame such as a glass frame, the rough surface of the tongue piece was frictionally connected to the inner peripheral surface of the hole. (Utility Model Application Publication No. 60-4979).

By the way, in this type of timepiece, when adjusting the hands, it is necessary to easily pull out the timepiece body from the fitting hole of the decorative frame body.

(Problem to be Solved by the Invention) However, in the first example described above, the locking hole of the leaf spring is engaged with the locking projection on the rising piece, and the leaf spring is held between the projection and the column. Because of the structure, it is not only difficult to fit the leaf spring, but also
In particular, the mold for integrally molding the protrusions and locking protrusions on the upright pieces of the frame becomes extremely complex, and high processing accuracy is also required, resulting in high manufacturing costs. Ta.

In addition, in the second example, in order to remove the watch body from the decorative frame pair when adjusting the hands, etc., and to insert it again, the processing accuracy of the insertion hole of the decorative frame body, for example, the glass frame body, is good. In addition, it is essential that various structures such as the thickness of the peripheral wall of the back cover of the watch body, the thickness of the tongue piece, and the shape of the rough surface be precisely machined. If this is not the case, the watch body will easily come off from the decorative frame even when the hands are not being adjusted, and on the contrary, it will be difficult to remove them, making the work of adjusting the hands difficult.

Therefore, the purpose of this invention is to enable the mounting body of the watch body to be attached to the frame body in a so-called one-touch manner.
In addition, high processing accuracy is not required, and the watch body can be easily removed from the decorative frame when adjusting the hands.
The purpose of the present invention is to provide a structure of a watch that can be reinstalled with one touch.

(Means for Solving the Problems) The present invention is characterized in that the mounting body 5 of the watch body 1 has a bottomed cylindrical shape with an open front end, and the watch body is inserted through this opening. The frame body 6 is formed with a recess 6a into which the mounting body is fitted,
Furthermore, it has a plurality of leaf springs 7 for frictionally holding the mounting body in the recess of the frame body,
A mounting hole 5c for the spring is formed at the corner between the side wall 5b and the bottom 5a of the mounting body, and an inner surface of the bottom edge of the mounting hole is formed with the edge. A receiving portion 5d protrudes with a step, and the leaf spring 7 has a substantially U-shaped attached portion 7a.
and an abutment part 7b which is bent in an inverted U-shape from this attachment part and extends diagonally forward,
The attachment portion 7a is inserted into the attachment hole 5c of the attachment body 5 from behind, and is moored in a compressed state between the inner surface of the side wall portion 5b of the attachment body and the receiving portion 5d. The contact portion 7
b, the mounting body is located in the recess 6a of the frame 6;
When the mounting body 5 is fitted into the frame 6, it comes into contact with the inner surface of the recess with a predetermined frictional force to hold the mounting body 5 on the frame 6.

(Function) Therefore, the plate spring 7 can be temporarily fixed by simply compressing and inserting the U-shaped attachment part 7a into the receiving part 5d, so the attachment body 5 can be easily attached to the recess 6a, and the mounting body 5 can be easily attached to the recess 6a. It is held by the frictional force generated between the contact portion 7b and the recess 6a.

(Example) In FIG. 1, a timepiece body 1 is provided with a time display section 2 on the front side, and a timepiece mechanical body 3 is fixed on the back side. A case 10 of a watch body 1 is detachably housed in a mounting body 5 by compressing and expanding a rubber packing 4. That is, the outer circumferential surface of the case 10 of the instrument body 1 is provided with a groove as shown in the third figure, and a rubber packing 4 is fitted and fixed in this groove, and furthermore, on the outer circumferential surface of this rubber packing, As shown in the first figure, a protrusion 4a is formed, so that when the case 10 is press-fitted into the mounting body 5, it is firmly fitted.

As shown in the first and third figures, the mounting body 5 has a bottomed cylindrical shape with an opening at the front end, and the watch body 1 is inserted through this opening.The structure of the mounting body 5 is as follows. .

Mounting holes 5c for mounting the leaf springs 7 are opened rearward at a plurality of locations at the corners of the bottom portion 5a and the side wall portions 5b of the mounting body 5. A receiving portion 5d is protruded from the inner surface of the edge of the mounting hole 5c on the bottom 5a side, with a step difference from this edge, as shown in the third figure. Furthermore, a recess 6a into which the mounting body 5 is inserted is formed on the front surface of the decorative glass frame 6, which is an example of a frame.

As shown in FIG. 2, the leaf spring 7 has an S-shaped side surface, and an attached portion 7a and an abutment portion 7b are integrally formed, and the attached portion 7a is approximately U-shaped. The width is slightly narrow, and the abutment part 7b is bent in an inverted U-shape from this attached part and extends diagonally forward. Therefore, when the U-shaped attachment part 7a is inserted into the mounting hole 5c of the attachment body 5 from behind while compressing the attachment part 7a, the tip of the attachment part will be affected by the restoring force against the compressive force. Therefore, the receiving part 5 of the mounting body 5
d, and from this adhered part 7a to the contact part 7b
The intermediate portion extending to the side wall portion 5b comes into elastic contact with the inner surface of the side wall portion 5b, so that the adhered portion 7a is moored in a compressed state between the receiving portion 5d and the side wall portion 5b. It can be in a temporarily fixed state as shown by the chain line in FIG. Further, an elastic member 8 is attached to the outer peripheral surface of the side wall portion 5b of the mounting body 5, which faces the contact portion 7b of the leaf spring 7. The elastic member 8 may be a ring-shaped rubber packing fitted to the outer peripheral surface of the mounting body 5, and an elastic cap 9 may be used instead of the elastic member 8 as shown in FIG.
The outer end portion 7b of each leaf spring 7 may be fitted therein.

When assembling, the elastic member 8 is pasted on the side wall 5b of the mounting body 5, the attached part 7a of the leaf spring 7 is inserted into the mounting hole 5a in a compressed state, and it is hooked onto the receiving part 5d to temporarily secure it. When the mounting body 5 is pushed into the recess 6a of the frame 6 in this state (the state indicated by the chain line in FIG. 1), the abutting portion 7b of the leaf spring 7 is pushed into the recess 6a as shown in the solid line in FIG. It comes into contact with the circumferential surface and is elastically deformed inward, and further compresses the elastic member 8 to hold the attached body with a predetermined frictional force. For this reason, the elastic force of the leaf spring 7 itself and the expansion force of the elastic member 8 are added, and the contact portion 7b of the leaf spring 7 is firmly elastically fitted into the recess 6a of the frame 6, and sufficient connection strength is achieved. can get.

Clock body 1 with rubber packing 4 attached there
is pushed into the mounting body 5 and stored, and the assembly is completed.

Even after assembly, the watch body 1 can be pulled out forcefully to separate it from the attachment body 5, and the attachment body 5 can also be separated from the frame body 6 by being pulled out with a strong force.

(Effect of the invention) As described above, according to the invention, the attachment part of the leaf spring is temporarily fixed to the receiving part of the attachment body, and the attachment body is inserted into the recess of the frame body, so the assembly work is easy. Yes, the frame and mounting body are connected by the elastic force of the abutment part of the leaf spring, so it can be installed with a single touch, and a strong connection force that will not easily come off after installation is obtained. , workability is improved.
Furthermore, the mounting body and clock body that are connected together,
It can be removed when adjusting the guideline. In addition, when the frame is made of a material such as glass that is difficult to achieve precision, even if there is some machining error in the size of the recess, reliable connection is possible by adjusting the spring force of the leaf spring. Furthermore, the leaf spring has a substantially U-shaped attachment section that is moored in a compressed state between the receiving section and the side wall of the mounting body, so the structure is simpler compared to conventional examples, and molding is easier. Since the structure of the mold is simplified, it is also effective in reducing manufacturing costs.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a main part, FIG. 2 is an enlarged perspective view of a leaf spring, and FIG. 3 is an enlarged sectional view of a main part showing another example. 1...Watch body, 5...Mounting body, 5a...Bottom, 5b...Side wall part, 5c...Mounting hole, 5d...
...Receiving part, 6... Frame body, 6a... Recessed part, 7... Leaf spring, 7a... Covering part, 7b... Contact part.

Claims (1)

[Scope of Claim for Utility Model Registration] A watch body, a mounting body having a bottomed cylindrical shape with an open front end and into which the watch body is inserted through the opening, and a frame having a recess into which the mounting body is fitted;
It consists of a plurality of leaf springs that frictionally hold the mounting body in the recess of the frame, and a mounting hole for the leaf springs is formed at the corner between the side wall and the bottom of the mounting body. ,
On the inner surface of the edge on the bottom side of the mounting hole, a receiving portion is protruded with a step from the edge. and an abutting part which is bent into an inverted U shape and extends diagonally forward, and the attached part is inserted into the mounting hole of the mounting body from the rear thereof, and the mounting part is inserted into the mounting hole of the mounting body from behind. The contact portion is moored in a compressed state between the inner surface of the side wall portion and the receiving portion, and the contact portion is moored to the inner surface of the recess when the mounting body is fitted into the recess of the frame. A structure of a timepiece, characterized in that the mounting body is held on the frame body by abutting with a predetermined frictional force.