JP2002219011A - Link for ornament - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a link for ornaments which minimizes the number of parts and facilitates the manufacturing thereof with a simple structure by simplifying and facilitating the releasing operation for the removal of the ornaments. SOLUTION: An oscillation lever 4 with one end part 4a thereof opening or closing a hook part 9 is pivoted on a base frame part 8 of a link body 3 with the other end part 4b thereof getting in or out of the base frame part 8. A spring 7 is interposed between the oscillation lever 4 and the base frame part 8 to energize the oscillation lever 4 so that it is kept at a posture of opening or closing the hook part. A pull member 6 for opening the hook part is linked to the one end part 4a of the oscillation lever 4 through a link rod 5 and one end part 2a of an ornament 2 to the base frame part 8 while the other end part 2b is engaged to the hook part 9 to link together. The pull member 6 is pulled to shift the oscillation lever 4 to the posture of opening the hook part to that of closing it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an accessory for connecting accessories such as necklaces and bracelets at both ends.

[0002]

2. Description of the Related Art Conventionally, as this type of connecting tool, for example, a hook body, an opening / closing lever pivotally attached to a base of the hook body so as to open and close an opening of the hook body,
There is a so-called fish hook type in which one end of this lever is biased to always close the mouth of the hook body. This is achieved by engaging a connecting ring fixed to one end of an accessory such as a necklace into a stop hole of the hook body, and engaging the connecting ring fixed to the other end of the accessory to the hook body. To connect both ends. When disconnecting both ends of the accessory, the mouth of the hook body is opened by picking up the other end of the opening / closing lever closing the mouth of the hook body with a fingernail or the like. .

[0003] Further, as another connecting tool, a hollow ring having a partially cutout opening, and an arcuate opening / closing rod slidably inserted into the ring so as to open and close the opening of the ring. And a spring in which the opening / closing rod always urges the opening of the ring to be always closed. In this method, one end of an accessory such as a necklace is connected to a ring via a suitable connecting member, and a connecting ring fixed to the other end of the accessory is engaged with the ring to connect both ends of the accessory. When the both ends are separated, the opening and closing lever is opened by gripping its knob against the urging force of the spring to open the opening of the ring.

[0004]

In the above-mentioned conventional connecting device, when the connecting device is opened, the end of the open / close operating lever is picked up by a fish hook type.
In addition, in the case of the pulling wheel type, the opening and closing operation is performed by grasping the knob of the opening and closing rod, but the end of the opening and closing operation lever and the knob of the opening and closing rod are very small, for example, about 1 mm, so particularly It was very difficult to open the accessory when removing it from the body.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an accessory which can be easily and easily opened when the accessory is removed, has a small number of parts, has a simple structure, and is easy to manufacture.

[0006]

According to a first aspect of the present invention, there is provided a connecting device for an accessory, comprising:
a connecting tool main body 3 formed by extending a hook part 9 from a base frame part 8, and one end part 4a is connected to the base frame part 8 of the connecting tool main body 3 by a hook part. In addition to the opening and closing operation, a swinging lever 4 whose other end 4b is protruded and retracted from the base frame 8 with this opening and closing operation is pivotally mounted. A spring 7 for urging the hook 4 to hold the hook portion in the open position and the hook portion in the closed position is interposed, and a tension member 36 for opening the hook portion is connected to one end 4a of the swing lever 4, and the accessory 2 The one end 2a side of the base frame 8
And the other end 2b side is engaged with and connected to the hook portion 9, and the tension member 36 is pulled against the urging force of the spring 7, so that the swing lever 4 is hooked from the hook portion closed position. The opening is changed to the open position, and the other end 4b of the swing lever 4 protruding from the base frame 8 is pressed so as to be immersed in the base frame 8 against the urging force of the spring 7. It is characterized in that the lever 4 is changed from the hook open position to the hook closed position.

According to a second aspect of the present invention, there is provided the connecting device for personal ornaments according to the first aspect, wherein the spring 7 has both ends 21 and 22 thereof.
However, the swing lever 4 side and the base frame 8 are located at positions such that the swing lever 4 is opposed to the base frame 8 via a pivot 10 that is pivotally attached to the base frame 8.
And a tension spring fixed to each side.
When the hook is in the closed position, the swing lever-side stopper 16 of the spring 7 is deviated to one side from a neutral line N passing through the centers of the base frame-side stopper 12 of the spring 7 and the pivot 10. When the swing lever 4 is switched from the hook closed position to the hook closed position, the swing lever side fastening portion 16 of the spring 7 deviates to the opposite side beyond the neutral line N. It is characterized in that

According to a third aspect of the present invention, there is provided the connecting device for personal ornaments according to the first or second aspect, wherein the swing lever 4 is attached to the neutral line N when the swing lever 4 is in the hook open state. The deviation amount α of the spring 7 is set smaller than the deviation amount β of the pivoting lever side fastening portion 16 of the spring 7 with respect to the neutral line N when the pivoting lever 4 is in the hook part closed posture. Features.

According to a fourth aspect of the present invention, in the accessory accessory of the second or third aspect, the spring 7 is a leaf spring formed in an arc shape.

According to a fifth aspect of the present invention, in the accessory accessory according to any one of the first to fourth aspects, one end 5a of the connecting rod 5 is pivotally connected to one end 4a of the swing lever 4. Link 5
Characterized in that the tension member 6 is connected to the other end 5b.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an ornamental connection device 1 according to the present invention, for example, a pearl necklace 2 (accessory).
FIG. 2 is a perspective view showing a state in which both end portions 2a and 2b of FIG.
FIG. 3 is an exploded perspective view of the connecting tool 1, FIG. 3 is an enlarged sectional view of the connecting tool 1 in the hook closed position, and FIG. 4 is an enlarged sectional view of the connecting tool 1 in the hook closed position. As can be seen from these figures, the main components of the accessory attachment tool 1 are a connector body 3, a swing lever 4, a connecting rod 5, and a tension member 6.
And the spring 7. In FIG. 2, the tension member 6 is omitted.

The connecting member main body 3 is made of a desired noble metal material such as gold or platinum, and has a base-shaped portion 8 and a hook-shaped portion 9 integrally extended from the base frame portion 8. Are formed integrally with each other, and both side walls 3a, 3a and both side walls 3a,
And a peripheral wall 3b for connecting the pivot shaft 3 to the base wall 8 on both sides 3a, 3a.
1 and a hole 13 for inserting the pin 12 therethrough,
A through hole 14 through which the connecting rod 5 passes is opened in the peripheral wall 3b. The base end of the base frame 8 is provided with a ring mounting piece 2.
8 are protruded.

One end 4a of the swinging lever 4 opens and closes the hook 9 of the connecting member main body 3, and the other end 4b of the lever 4 projects with respect to the base frame 8 with this opening and closing operation. It is formed of the same noble metal material as the connector main body 3 and has a substantially U-shaped cross section including both side walls 24, 24 and a connection wall 25. A hole 15 through which the pivot 10 is inserted is formed through the center of the swing lever 4 in the longitudinal direction, and pins 16 and 1 are formed at one end 4a of the swing lever 4.
Holes 18 and 19 through which the wire 7 is inserted are provided, and the other end 4b is provided.
On the side, a notch groove portion 20 is formed at a fixed radius from the pivot insertion hole 15. Further, both ends 5a, 5
b are provided with holes 26 and 27.

The spring 7 is a tension spring composed of a plate spring formed in an arc shape, and both ends of the spring 7 are curled into a tubular shape to form fastening tubular portions 21 and 22. The tension member 6
For example, it is composed of a chain of pearls and has a length of 10 to 15
mm, and a connecting ring 23 is attached to one end thereof. In addition, as shown in FIG.
Is slightly smaller than the distance a between the opposing side walls 3a, 3a of the connecting member body 3, and the thickness t of the connecting rod 5 is slightly smaller than the distance c between the opposing side walls 24, 24 of the swing lever 4. The width w of the spring 7 is slightly smaller than the distance c between the side walls 24 of the swing lever 4.

In order to assemble the connecting member main body 3, the swing lever 4, the connecting rod 5, the tension member 6, and the spring 7 which are the constituent members of the above-described accessory accessory connecting tool 1, first, the spring 7 is moved to the swing lever. 4 is inserted between the side walls 24, 24, and the pin 16 is inserted into the fastening cylinder 21 from the hole 18 with the one end side fastening cylinder 21 aligned with the hole 18, and the pin 16 is swung. By caulking the side walls 24 of the moving lever 4, one end of the spring 7 is fixed to the swing lever 4 side. A connecting rod 5 is provided between both side walls 24 of the swing lever 4.
The pin 17 is inserted over both holes 18 and 26 with the holes 26 and 18 aligned with each other, and the pin 17 is swaged to the side walls 24 and 24 of the swing lever 4. One end 5a of the connecting rod 5 is pivotally connected to one end 4a of the swing lever 4.

Then, the swing lever 4 is inserted together with the connecting rod 5 between the side walls 3a, 3a of the connecting member main body 3, and the connecting rod 5 is inserted.
The other end 5b of the connecting member 3 is projected from the through hole 14 of the connecting member body 3 to the outside, and then the hole 15 of the swinging lever 4 and the hole 11 of the connecting member body 3 are aligned with each other. The pivot shaft 10 is inserted into the swing lever 4 by caulking the pivot shaft 10 to both side walls 3a, 3a of the connector body 3.
Is pivotally attached to the swinging lever 4, and the other end side fastening cylinder portion 22 of the spring 7 is aligned with the hole 13 of the connector body 3 so that the pin 12
And insert the pin 12 into both side walls 3a,
By crimping the spring 3a, the other end of the spring 7 is fixed to the connector body 3 side. The connecting ring 23 of the tension member 6 is engaged and connected to the other end 5 b of the connecting rod 5.
In addition, the connecting ring 29 attached to the one end 2 a of the necklace 2 is engaged with and connected to the ring attaching piece 28 attached to the base frame 8 of the connecting tool body 3. A connection ring 31 is attached to the other end 2 b of the necklace 2 via an attachment ring 30.

In the accessory accessory 1 assembled as described above, the swinging lever 4 has a hook closing position in which one end 4a closes the opening O of the hook 9 (see FIG. 3).
Then, the notch groove 20 formed on the other end 4b side of the lever 4 engages with the pin 12 fixed to the connector body 3,
When the tensile force of the spring 7 acts so as to maintain the engaged state, the hook 7 is held (locked) in the hook part closed posture. One end 4 of the swing lever 4
In the hook opening position (see FIG. 4) in which the opening a of the hook portion 9 is opened (see FIG. 4), one end 4a of the lever 4
Abuts on the inner surface of the peripheral wall 3b of the connecting member main body 3 together with one end 5a of the connecting member 3, and the tension force of the spring 7 acts so as to maintain this abutting state, so that the swing lever 4 is held in the hook open position. ) Will be. In the hook closed position, the other end 4b of the swing lever 4 is immersed in the base frame 8 of the connecting member body 3, and in the hook open position, the other end 4b of the swing lever 4 is in the base position. It is in a state of protruding outside from the frame portion 8.

The operation of the spring 7 will be described. When the swing lever 4 is in the hook-closed position, as shown in FIG. The center of the pin 16 on the moving lever 4 side (the rocking lever side fastening portion) is the pin 12 on the connector body 3 side (the base frame portion side) holding the other end side fastening tubular portion 22 of the spring 7. (The fastening part) and the neutral axis N passing through the center of the pivot 10 on the side of the coupling body 3, respectively, so that it is located at a position deviated to one side from the neutral line N. A torque substantially corresponding to the product of the amount of deviation β of the pin 16 and the tensile force (biasing force) of the spring 7 acts on the pivot 10, whereby the swing lever 4 is held in the hook part closed position.

When the pulling member 6 is pulled against the pulling force (biasing force) of the spring 7 from the state in which the rocking lever 4 is in the hook closed position as described above, the rocking lever 4 is pivoted about the pivot 10. 4 is rotated clockwise with respect to FIG. 4, and accordingly, the pin 16 holding the one end side fastening cylindrical portion 21 of the spring 7 is rotated.
(The rocking lever side fastening portion) moves, and this pin 16
As shown in (1), when the pin is deviated to the opposite side beyond the neutral line N, the amount of deviation α of the pin 16 from the neutral line N to the opposite side and the tensile force of the spring A torque approximately corresponding to the product of the biasing force acts on the swing lever 4, whereby the swing lever 4 is changed from the hook closed position to the hook open position, and is held in the hook open position. In addition, the deviation amount α of the pin 16 with respect to the neutral line N in the hook open position is set to be small (short), about 1/3 of the deviation amount β of the pin 16 with respect to the neutral line N in the hook position closed position. ing.

In order to convert the swing lever 4 from the hook open position shown in FIG. 4 to the hook closed position, as shown in FIG. When the other end 4b of the protruding swing lever 4 is pressed so as to be immersed in the base frame 8 against the urging force of the spring 7,
The swing lever 4 rotates counterclockwise about the pivot 10 with respect to FIG. 5, and the pin 16 (the swing lever side fastening portion) holding the one end side fastening cylindrical portion 21 of the spring 7 is moved. When the swinging lever 4 crosses the neutral line N, the swinging lever 4 is changed from the hook open position to the hook closed position, and is held in the hook closed position.

When the swing lever 4 is changed from the hook opening position to the hook closing position as described above, the deviation amount α of the pin 16 with respect to the neutral line N in the hook opening position.
Is the pin 1 with respect to the neutral line N in the hook closed position.
6 is smaller than the deviation amount β, for example, as described above, the deviation amount α is set to about 1/3 of the deviation amount β. The force for converting the posture into the posture is smaller than the force when converting from the hook part closed posture to the hook part opened posture, and therefore, the other end of the swing lever 4 protruding from the base frame part 8 of the connector body 3. The swing lever 4 can be brought into the hook part closed posture only by lightly pressing the part 4b.

In using the above-described accessory accessory 1, the necklace 2 is connected to a connection ring 29 attached to one end 2 a of the necklace 2 to the attachment piece 28 of the accessory body 3. The connecting ring 31 to which the other end 2b is attached is engaged with the hook 9 of the connecting member body 3. When the connecting ring 31 is engaged with the hook 9, the pulling member 6 is pulled to bring the swing lever 4 into the hook opening posture.

FIG. 3 shows a use state in which both ends 2a and 2b of the necklace 2 are connected by the accessory accessory connection tool 1 as described above, that is, a state where the necklace 2 is hung on the user's neck. To remove the necklace 2 from this state, as shown in FIG.
For example, if the left thumb P and the index finger M hold one end 2a side of the necklace 2 behind the neck, and the right thumb P and the index finger M pull the tension member 6 in the direction of the arrow in the drawing,
The swing lever 4 is changed from the hook closed position to the hook open position, and the opening O of the hook 9 is opened. Therefore, the other end 2b of the necklace 2 is held as it is, and the connecting ring 31 is moved. As shown by the phantom line in FIG.
Just pull it out of

When the necklace 2 is worn, one end 2a is held by the left thumb P and the index finger M, and the other end 2b is held.
With the thumb P and the index finger M of the right hand, and the both ends 2a, 2
b is turned to the back of the neck, and the connecting ring 31 at the other end 2b of the necklace 2 held in the right hand is engaged with the opening O of the hook part 9 which has been opened, as shown in FIG. The other end 4b of the swing lever 4 protruding from the base frame 8 of the connector body 3 is pressed by the tip of the thumb P of the left hand, and the base frame 8 is pressed.
When the swinging lever 4 is immersed in the inside, the swinging lever 4 is changed from the hook opening position to the hook closing position, and the both ends 2a and 2b of the necklace 2 can be easily and easily connected. In particular, since the swing lever 4 can be held or locked in the hook open position in the connecting tool 1, the operation of engaging the connecting ring 31 to the hook 9 can be performed quickly and easily.

In the embodiment described above, the swing lever 4
The one end 4a of the connecting rod 5 is pivotally connected to the one end 4a of the connecting rod 5, and the tension member 6 is connected to the other end 5b of the connecting rod 5. However, the connecting rod 5 is omitted, and the swing lever is omitted. 4 at one end 4a,
A tension member 3 for opening a hook portion as shown by a virtual line in FIG.
6 may be connected, thereby reducing the number of components by one, making the structure simpler and cheaper. In this case, the tension member 36 has one end of a tension member main body 36a made of a flexible metal wire fixed to one end 4a of the swing lever 4, and the other end of the tension member main body 36a has a spherical handle. 36b may be attached.

However, when the tension member 6 is connected to the one end 4a of the swing lever 4 via the connecting rod 5 as in the embodiment, the connecting rod 5 is connected between the swing lever 4 and the tension member 6. To form a swing link, and the pulling force of the tension member 6 acts on the swing lever 4 via the swing link. Therefore, even if the pulling direction of the tension member 6 is uncertain to some extent, the swing lever 4 can be properly rotated. The hook portion can be quickly and easily converted from the hook portion closed position to the hook portion opened position by moving.

Further, in the embodiment, as the spring for urging the swing lever 4 to hold the hook portion in the hook opening position and the hook portion closing position, a tension spring 7 composed of a plate spring formed in an arc shape is employed. However, a coil spring may be used instead of such a leaf spring. However, for example, when the connecting member body 3 is formed to have a length of about 10 mm, the length of the spring 7 is about 2 to 3 mm, and it is extremely difficult to manufacture the coil spring. If a spring is employed, the spring can be easily manufactured, and a spring having a simple structure can exhibit a sufficient spring force.

[0028]

According to the connecting device for an accessory according to the first aspect of the present invention, when the accessory is removed from a state in which both ends of the accessory are connected by the connecting device, the hook connected to one end of the swing lever. The swing lever can be changed from the hook-closed position to the hook-opened position by simply pulling the pulling member for opening the part, so that the detachment operation of the accessory can be performed easily and easily. Also, when the swing lever is moved from the hook open position to the hook closed position, the other end of the swing lever protruding from the base frame may be pressed so as to enter the base frame. The operation of closing the opening of the lever is also facilitated.

Further, since the connecting tool of the present invention is composed of the connecting tool body, the swing lever and the spring, the number of parts is small, the structure is simple, the manufacturing is easy, and the cost can be reduced. Further, since this connecting tool has a small number of parts, has a simple structure, and has little friction between the members, the members are less damaged and the service life can be extended.

According to the second aspect of the present invention, the swing lever can be held in the hook closed position and the hook open position by a single tension spring. Can be further simplified, and the manufacturing cost can be further reduced.

According to the third aspect of the present invention, the force required to convert the swing lever from the hook opening position to the hook closing position is changed from the hook closing position to the hook opening position. Therefore, the swing lever can be easily brought into the hook part closed position by only slightly pressing the other end of the swing lever protruding from the base frame portion of the connecting member main body.

According to the fourth aspect of the present invention, a spring can be easily manufactured, and a spring having a simple structure can exert a sufficient spring force.

According to the fifth aspect of the present invention, the connecting rod forms a swing link between the swing lever and the tension member, and the pulling force of the tension member is provided through the swing link. Acts on the swinging lever, so that even if the pulling direction of the tension member is not certain to some extent, the swinging lever can be accurately rotated to quickly and easily convert from the hook closed position to the hook opened position.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which both ends of an accessory are connected by an accessory accessory according to the present invention.

FIG. 2 is an exploded perspective view of a coupler.

FIG. 3 is a cross-sectional view of the connecting tool in which the swing lever is in a hook part closed posture.

FIG. 4 is a cross-sectional view of the connecting tool in which the swing lever is in a hook part open posture.

FIG. 5 is a cross-sectional view showing an operation of changing the swing lever from a hook-opening position to a hook-portion closing position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Jewelry connecting device 2 Necklace (ornament) 2a, 2b Both ends of necklace (ornament) 3 Connecting device main body 4 Swing lever 4a One end of swing lever 4b Other end of swing lever 5 Connecting rod 6, 36 Tension Member 7 Spring 8 Base frame part of connector body 9 Hook part of connector body 10 Axis

Claims (5)

[Claims] 1. A connecting tool for connecting both ends of an accessory such as a necklace, the connecting tool having a hook body extending from a base frame, wherein one end portion is provided on the base frame of the connecting tool body. Opens and closes the hook part, and pivots a swing lever with the other end protruding and retracting with respect to the base frame part with this opening and closing operation, and the swing lever is hooked between the swing lever and the base frame part. A spring that urges to hold the open position and the hook closed position is interposed, and a tension member for opening the hook is connected to one end of the swing lever, and one end of the accessory is attached to the base frame. The swing lever is changed from the hook portion closed position to the hook portion open position by pulling the tension member against the urging force of the spring to connect the other end portion to the hook portion. , The other end of the swing lever protruding from the base frame is immersed in the base frame against the urging force of the spring. And a swing lever is changed from a hook open position to a hook closed position by being pressed. 2. The spring is fixed to the swing lever side and the base frame side at positions where both ends thereof are opposed to each other with a pivot axis for pivotally connecting the swing lever to the base frame section. When the swing lever is in the hook part closed posture, the swing lever side fastening part of the spring is one of a neutral line passing through the center of the spring base frame side fastening part and the center of the pivot. When the swing lever is switched from this hook position to the hook position when the hook is closed, the locking portion of the spring on the swing lever side moves beyond the neutral line to the opposite side. The connecting device for an accessory according to claim 1, wherein 3. The amount of deviation of the locking portion of the spring on the swing lever side with respect to the neutral line when the swing lever is in the hook open position, and the neutral line when the swing lever is in the hook closed position. 3. The accessory accessory according to claim 1, wherein the connecting portion is set to be smaller than an amount of deviation of the swing lever side fastening portion of the spring with respect to the spring. 4. The accessory accessory according to claim 2, wherein the spring is a leaf spring formed in an arc shape. 5. The swing lever according to claim 1, wherein one end of the connecting lever is pivotally connected to one end of the swing lever, and a tension member is connected to the other end of the connecting rod. The connecting device for accessories as described in the above.