JPH047774Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

This invention relates to a shaft metal fitting for personal accessories used for earrings, clip-on tie holders, center-folding bracelets, and the connecting parts of eyeglass temples.

[Conventional technology]

As a conventional shaft metal fitting for personal accessories,
There is a washer for holding an ornament, as described in Japanese Patent No. 18332, in which a clamping piece for clamping an ear is provided using a hinge-shaped shaft fitting. There is also a device in which a clamping piece attached to a bearing constituting the shaft fitting via a rotating shaft is biased in the clamping direction by a spring.

[Problem that the invention attempts to solve]

However, in the above-mentioned conventional example, the spring that biases the pinching piece in the direction of pinching the ear must be set to a pressure level that will not allow it to come out of the ear, making it difficult to adjust and having the disadvantage that the user often feels pain in the earlobe. Ta. In addition, since the rotating shaft of the clamping piece and the bearing on the washer side are made of precious metals such as gold and platinum, when the clamping piece is operated, the friction between the rotating shaft and the bearing may generate abnormal noise. However, there were drawbacks such as poor clamping force and weak clamping force. Furthermore, the connection part of the shaft fitting becomes loose due to wear, and if it is too firmly engaged, it may not rotate smoothly, making it difficult to adjust the engagement state between the rotating shaft and the bearing. Ta. The shaft fitting for personal accessories of this invention was made with the aim of eliminating the above-mentioned drawbacks of the conventional example, and each of the bearings made of precious metal and the rotating shaft are attached with a plastic bushing interposed so that the angle can be adjusted. It is something. Therefore, no abnormal noise is generated due to friction between the rotating shaft and the bearing, and the clamping force is not weakened. Also, the connecting parts will not become loose due to wear or become unable to rotate smoothly.

[Means to solve the problem]

In other words, the shaft fitting for personal accessories of this invention is a personal accessory that includes a rotating part having a rotating shaft made of a precious metal and a cylindrical bearing for the rotating shaft. At the same time, when installing the rotating shaft to the bearing, the rotating part of the rotating shaft is brought into contact with the angle adjusting part of the plastic bushing, and the rotating shaft is installed. It is characterized by: Furthermore, it is also characterized in that polyacetal resin is used as the plastic bushing.

[Effect]

In the shaft fitting for personal accessories of the present invention having such a configuration, the rotating part having the rotating shaft made of precious metal is attached to the precious metal bearing of the rotating shaft via a plastic bushing, so that the rotating shaft made of precious metal Also, the bearings do not wobble due to wear, and can always be driven smoothly.

【Example】

Examples will be described below based on the drawings. In FIGS. 1 to 3, reference numeral 3 denotes a washer for an earring, which forms a locking means for the ornament 1. This locking means is, for example, the pin 2 shown. A decorative body 1 made of pearls, various kinds of jewels, precious metals, etc., with a mounting hole formed on the back surface, is fixed to this pin 2. The lower end of the washer 3 is bent horizontally to form a protruding piece 4, and cylindrical bearings 5 are formed on both sides of the upper end so as to face each other. A flange-shaped angle adjusting portion 11 is formed at the end of a plastic bushing 6 built into the pair of bearings 5. The angle adjustment portion 11 is formed of an uneven surface extending in the circumferential direction formed on the outer surface of the plastic bushing 6, and angle adjustment grooves 12 are formed radially around the shaft hole 15 in the central portion. Angle adjustment section 11
A notch 13 is bored in the back surface of the plastic bushing 6, and the plastic bushing 6 is securely fixed to the bearing 5 by engaging with a protrusion 14 protruding from the end of the cylindrical bearing 5. Of course, the plastic bushing 6 may be fixed to the cylindrical bearing 5 using adhesive or the like. When using the earring of the above embodiment, a rotating section consisting of a pinching piece 7 and having a rotating shaft consisting of a bending section 9 is attached to a bearing 5. That is, the leg 8 is urged toward the angle adjustment part 11, rotates the clamping piece 7 fitted in the angle adjustment groove 12 at a predetermined position in the direction of opening against the elasticity of the clamping piece 7, and engages the washer 3 with the clamping piece 7. Insert the earlobe between the pressure piece 7 and the earlobe. Then, rotate the clamping piece 7 in the closing direction toward the washer 3, and fit the leg 8 of the clamping piece 7 into the angle adjustment groove 12 at a position where the earring will not fall off the earlobe, and the clamping piece 7 will be fixed in that position. and securely hold the earlobe. that time,
If the ear plate made of silicone rubber or the like attached to the clamping piece 7 is made to softly protect the earlobe, the earring can be securely attached to the earlobe despite variations in the degree of clamping of the clamping piece 7. . Of course, it is also easy to remove. In FIGS. 4 to 6, reference numeral 21 denotes a clip-type tie holder, which has an arm 27 protruding from the support 25 side of the decorative body 23, and a clamping body 29 is pivotally attached to the tip of the arm 27. It is designed to be biased in the pinching direction. Reference numeral 33 is a lever formed by extending the clamping body 29 on the opposite side from the shaft attachment part, and the clamping body 29
When opening, it is pressed against the support body 25 and used. Each of the above-mentioned components is made of a precious metal such as gold or platinum, and is particularly made of platinum. The above-mentioned shaft-attached portion is a bearing 4 formed on the sandwiched body 29.
1, a shaft hole 43 provided at the tip of the arm 27, and a rotating shaft 45 inserted through the bearing 41 and the shaft hole 43. A plastic bushing 4 is provided on the inner periphery of the bearing 41 and the arm 27 of the clamping body 29 that rotates around the rotating shaft 45.
7 is installed. To attach this bushing 47, the tip of the bushing 47 is pushed in from the outside of the bearing 41 so as to reach the inner periphery of the arm 27. At this time, the bush 47 is positioned by a flange 49 formed at the rear end thereof being engaged with the outer surface of the bearing 41. Next, the rotary shaft 45 is fitted into the bush 47, and the tip thereof is made to protrude beyond the flange 49 and swaged into a rivet shape. An angle adjustment portion 50 is formed on the joint surface of the flange 49 with the bearing 41, and a protrusion formed on the joint surface of the bearing 41 engages to adjust the angle. Figure 7 shows another embodiment of this invention.
A temple 51 is rotatably attached to both ends of a frame 53 of the glasses. That is, a pair of upper and lower shaft stoppers 55, 55' are provided at the end of the frame 53, and the shaft holes 57 are aligned with each other.
1 is fitted with a bearing 59 provided at the end thereof.
A plastic bushing 61 is installed on the inner periphery of the bearing 59, and an angle adjustment portion is formed on the joint surface of the plastic bushing 61. Rotating shaft 63 made of small screws
is the vine 5 from one shaft stopper 55 of the frame 53.
It is screwed through one bearing 59 to the other shaft stop 55'. The temple 51 is rotatable around a rotating shaft 63. Plastic bushing 6, 47 or 6 above
Polyacetal resin is preferably used as the first material. This polyacetal resin includes Delrin (trade name), which is a homopolymer, or Diuracon (trade name), which is a copolymer with ethylene oxide. Of course, this invention is not limited to the above embodiments, and can be applied to bracelets and other various personal accessories.

[Effect of the idea]

As described above, the shaft metal fitting for personal accessories of this invention has a plastic bushing interposed between the rotation shaft of the clamping body and the bearing on the arm side, so when operating the rotating part, the rotation shaft and the No abnormal noise is generated due to friction with the bearing, and the clamping force does not decrease due to wear. In addition, the plastic bushing attached to the bearing is provided with an angle adjustment part having an uneven surface in the circumferential direction so that it can be adjusted in multiple stages, so it can be stopped at an appropriate position.For example, when it is attached to an earlobe, This will not cause any pain, and will not cause other personal accessories to become difficult to handle due to looseness at the connecting parts. Furthermore, the plastic bushings mentioned above have high lubricity, so even if the engagement between the rotating shaft and the bearing is not uniform, the rotating shaft can be clamped to the bearing with appropriate strength, making it extremely easy to operate. It is possible to provide an excellent shaft metal fitting for personal accessories.

[Brief explanation of drawings]

Fig. 1 is a partial sectional view from the rear showing an embodiment of the shaft fitting for personal accessories of this invention, Fig. 2 is a front view of the angle adjustment section, Fig. 3 is a perspective view showing its assembled state, and Fig. 4 The figure is a front view showing another embodiment of this invention, FIG. 5 is an enlarged view of the main part thereof, FIG. 6 is a sectional view thereof, and FIG. 7 is a sectional view of the device applied to eyeglasses. 1... Decorative body, 2... Pin, 3... Washer, 4...
... Projection piece, 5 ... Bearing, 6 ... Plastic bushing, 7 ... Pressure piece, 8 ... Leg, 9 ... Bending part,
11... Angle adjustment section, 12... Angle adjustment groove, 45
... Rotating shaft, 47 ... Plastic bushing, 4
9...Flange.

Claims (1)

[Claims for Utility Model Registration] 1. A personal accessory comprising a rotating part having a rotating shaft made of precious metal and a cylindrical bearing for the rotating shaft, wherein the end of the bearing has an uneven surface in the circumferential direction. A plastic bushing having an angle adjustment part is attached, and when the rotating shaft is mounted to the bearing, the rotating part of the rotating shaft is brought into contact with the angle adjustment part of the plastic bushing, and the rotating shaft is mounted. Shaft fittings for personal accessories. 2. The shaft metal fitting for personal accessories according to claim 1, wherein the plastic bushing is made of polyacetal resin.