JPH0615130Y2 - Rotating eggplant - Google Patents

Description

TECHNICAL FIELD The present invention relates to an improvement of a rotary type ring including a hook body having a shaft portion and a cylindrical cover rotatable with respect to the hook body. is there.

2. Description of the Related Art As a ring of this type, as disclosed in Japanese Utility Model Publication No. 57-59725, a hook body having a hook portion and a stepped shaft portion integrally formed with the hook portion,
A rotatable cylindrical cover body in which the shaft portion is fitted and inserted, a mounting ring which is rotatably attached to the shaft portion so as to attach a belt or a rope, and one end of which is wound around the shaft portion to the shaft portion. The coil spring is locked and the other end is locked to the cover. When the cover is rotated against the rotational force of the coil spring, the tongue piece integrally formed with the cover and the tip of the hook part are separated from each other, and an opening is formed in the hook part. By locking the adherend to the hook part and releasing the cover, the cover is rotated by the restoring force of the coil spring, and the tongue and the tip of the hook contact each other to close the opening. is there.

However, with this conventional ring, the cover is rotated by pressing the hook part with one finger to prevent the cover from rotating.
The cover must be rotated to the mounting ring side by the coil spring in addition to the problem that the adherend must be locked to the hook in that state by rotating the cover with the other finger. When the cover is rotated, in particular, the coil spring is compressed when the cover is rotated, so that the urging force increases and the contact friction resistance between the cover end surface and the mounting ring increases, and the mounting ring does not rotate smoothly. have.

The present invention has been made in view of the above-mentioned problems, and provides a rotary ring that can be temporarily fixed automatically by rotating a cover for a predetermined distance and that can smoothly rotate an attachment ring. It is intended.

According to the present invention, according to the present invention, a hook body (11) integrally including a shaft portion (16) and a hook portion (15), and a tip portion (17) of the hook portion (15). ) And a lower end portion thereof have a tongue piece (31) that is brought into contact with and separated from the lower end portion, and a cover (1
2) and a torsion coil spring (2) that is wound around the shaft portion (16) and has one end locked to the hook body (11) side and the other end locked to the cover (12) side.
In a rotary type ring (10) consisting of 6) and a holder (13) rotatably mounted on the upper end of the shaft (16), a pair of a pair of members facing each other at the center of the shaft (16). Notch groove (22,
22) having a large-diameter flange (21), and a pair of protrusions projecting toward the center on the inner surface of the hole (32) of the cover (12) so as to correspond to the notch grooves (22, 22). The problem is solved by providing a rotary type ring having (33, 33).

Action Normally covered by the repulsive force of the torsion coil spring (26) (12)
Is biased to lift upwards, but the protrusion (3
3,33) is locked to the lower surface of the collar (21), so cover (12)
Are prevented from lifting, the cover (12) and the holder (13)
There is no pressure contact with and the holder (13) rotates smoothly.

When the cover (12) is rotated about 90 °, the protrusions (33, 33) are located in the notch grooves (22, 22), and the cover (12) is lifted up by the repulsive force of the torsion coil spring (26). Protrusions (33,33)
Is fitted into the notch grooves (22, 22) and locked, and the cover (12) is temporarily fixed.

Embodiment Hereinafter, the present invention will be specifically described based on an embodiment shown in the drawings.

1 to 3 show a ring (10) according to the present invention, which comprises a hook body (11) for locking an adherend (A) and the hook (11). A cover (12) rotatably attached to the main body (11) and a holder for rotatably caulkingly attached to the hook main body (11) to which a belt (B) is attached.
It consists of (13) and.

As shown in FIGS. 1 and 4 to 6, the hook body (11) includes a circular flat plate portion (14) and a flat plate portion (14).
(14) has a J-shaped hook portion (15) integrally extending downward from one end, and a shaft portion (16) extending upward from the central portion of the flat plate portion (14) and integrally formed. An opening (18) for inserting and locking the adherend (A) is formed by the flat plate portion (14) and the tip end portion (17) of the hook portion (15).

A flange (19) is provided at the upper end of the shaft portion (16), and a pair of grooves (20, 20) are formed in the flange (19) at opposite positions (positions of 180 °). A flange (21) having the same diameter as that of the flange (19) is provided substantially in the center of the shaft portion (16), and the flange (21) corresponds to the same position in the same direction as the pair of grooves (20, 20). A pair of notch grooves (22, 22) are formed at the positions where Shaft part (16)
Has a large-diameter portion (23) whose diameter is larger than that of the shaft portion (16), and a step portion (24) is formed. The diameter is larger than the large-diameter portion (23) and is relatively thick (D). The thin flange (25) (about 0.3 mm) is integrally formed.

A torsion coil spring (26) is wound around the large-diameter portion (23) of the shaft portion (16), and one end of the torsion coil spring (26) has a locking groove formed in the flat plate portion (14). The other end is locked to the cover (12) described later.

As shown in FIGS. 1 and 7 to 11, the cover (12) has a tongue piece (31) extending downward from one end of the disc part (30), and the disc part (30). A stepped hole (32) having a small diameter at the upper portion and a large diameter at the lower portion is formed at the center of the (). The inner surface of the hole (32) is provided with a pair of protrusions (33, 33) corresponding to the position of the tongue piece (31) and projecting toward the center and facing each other, and the torsion coil spring (26). Locking hole for locking the other end of
(34) is provided. Further, as shown in FIGS. 9 and 10, a rotation groove (35) for determining a rotatable range of the cover (12) with respect to the hook body (11) is formed at a lower portion of the hole (32) by about 90.
It is formed in the range of °.

To assemble the cover (12) to the hook body (11), as shown in FIG. 1, first, the torsion coil spring (26) is inserted into the shaft portion (16) of the hook body (11) to set the spring ( 26) One end of flat plate
It is locked in the locking groove (27) of (14). And cover (12) with the shaft
When inserting it into the (16), insert the protrusions (33, 33) of the cover (12) into the shaft (1
Pass through the grooves (20, 20) formed in the flange (19) of 6). Then, after locking the other end of the torsion coil spring (26) in the locking groove (34) of the cover (12), the cover (12) is rotated clockwise (clockwise) by 180 °, and the cover (12) is rotated. ) Protrusion (33,
33) is passed through the notch grooves (22, 22) of the collar (21). When the cover (12) is released after passing, the cover (12) is rotated counterclockwise (to the left) by the repulsive force of the torsion coil spring (26),
The lower end of the tongue (31) and the tip of the hook (15) come into contact with each other, and the rotation of the cover (12) is restricted, and the cover (12) is assembled to the hook body (11). At this time, the pair of protrusions (33, 33) of the cover (12) are
It is located on the lower end surface of the collar (21) of 6) and is locked by the repulsive force of the torsion coil spring (26). Also, torsion coil springs (26)
One end of the hook that is locked to the hook body (11) side is a stopper portion (28) lifted from the flat plate portion (14) by the thickness (D) of the flange (25) (see FIG. 12). The stopper portion (28) is located in the rotation groove (35) of the cover (12),
The rotation of 2) is regulated within a predetermined range.

The holder (13) has an annular shape and has a holding portion (41) having an insertion hole (40) on the lower side. This holder (13) is assembled with the hook body (11) and the cover (12) as described above, and then the flange (1) of the shaft portion (16) of the hook body (11) is
9) is inserted into the insertion hole (40), and the holding part (41) is swaged with punches (P, P) as shown in FIG.
Mount rotatably on (16). At this time, as shown in FIG. 2, the lower end surface of the holder (41) of the holder (13) and the cover (12).
There is a play (G) between and. This backlash (G) is about 0.5 mm.

The rotary type ring (10) according to the present invention is constructed as described above. Next, its operation will be explained. In a normal state, as shown in FIGS. (26) is a repulsive force (or releasing force), and the lower end of the tongue piece (31) of the cover (12) and the hook tip (17) of the hook body (11).
And butt against each other, and the opening (18) of the hook portion (15) is closed. At this time, the protrusion (33) of the cover (12) is located on the lower end surface of the collar (21) of the shaft portion (16) of the hook body (11),
Since the torsion coil spring (26) is twisted during the assembly of the cover (12) and the hook body (11), it is in the state of a compression spring and is urged to lift the cover (12) upward. However, the projections (33, 33) are locked by the lower surface of the collar (21), and the upward bias of the cover (12) is restricted. Therefore, since the holder (13) and the cover (12) have a backlash (G) in FIG. 2, the holder (13) can be smoothly rotated without being pressed into contact with the cover (12).

Next, cover the cover (12) within the range of the rotation groove (35) by 90 °
Rotate as shown to rotate the protrusions (33,3) on the cover (12).
3) is located in the notch groove (22, 22) of the collar (21) of the shaft portion (16).
This rotation is restricted by the collision between the inner wall of the rotation groove (35) and the stopper portion (28) of the torsion coil spring (26). Then,
As shown in FIG. 16, the torsion coil spring (26) is further twisted into a compressed state, the cover (12) is biased upward, and the backlash (G) between the cover (12) and the holder (13) is increased. The cover (12) is lifted up by the amount corresponding to the above, and the protrusions (33, 33) fit into the notch grooves (22, 22) of the collar (21) and the notch groove (2
The cover (12) is prevented from rotating to its original state due to the collision between the inner walls of the (22, 22) and the protrusions (33, 33), and the temporarily fixed state is maintained. Therefore, the hook (15) opening (1
8) is in the released state, and the adherend (A) is hooked (15).
Can be locked to.

To close the opening (18) cover (12) or holder (13)
By pressing downwards, the protrusions (33, 33) are
2, 22), the cover (12) automatically rotates counterclockwise due to the restoring force of the torsion coil spring (26), and the tongue (31) and hook (1)
The opening (18) is closed with one touch due to the collision with (5).

As described above, according to the present invention, a collar having a pair of notched grooves is provided so as to face the shaft of the hook body, and
Since the torsion coil spring is wound around the shaft and a pair of opposing projections are provided on the inner surface of the hole of the cover and the projections are locked to the lower surface of the collar, the cover is rotated and the projection has a notch groove. When it is located at, the cover is temporarily fixed in a state of being rotated with respect to the hook main body by fitting and locking the projection in the notch groove, and the operability is good, and the cover is biased upward by the torsion coil spring. However, since the projection is locked to the lower surface of the brim, the cover cannot be lifted, and as a result, the holder can be rotated easily, which is a practical effect.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an eggplant ring according to the present invention, FIG. 2 is a front view of the eggplant ring, FIG. 3 is a side view of FIG. 2, and FIG. 4 is a front view of a hook body. 5 is a plan view of FIG. 4, FIG. 6 is an enlarged sectional view taken along line VI-VI of FIG. 4, FIG. 7 is a front view of the cover, FIG. 8 is a side view of the cover, 9 is a sectional view of the cover, FIG. 10 is a bottom view of FIG. 7, FIG. 11 is a plan view of FIG. 7, and FIG. 12 is a perspective view of a main part of the hook body and the cover. 13 (A), (B) and (C) are diagrams showing the operation as seen from the line XIII-XIII in FIG. 12, and FIG. 14 is a perspective view in a normal state in which the hook body and the cover are assembled. FIG. 15 is a perspective view in which the cover is rotated by 90 °, and FIG. 16 is an enlarged sectional view taken along line XVI-XVI in FIG. (10): Eggplant ring, (11): Hook body, (12): Cover, (13): Holder, (15): Hook part, (16): Shaft part, (21): Tsuba, (22): Notch groove, (31): Tongue piece, (32): Hole, (33): Protrusion.

Claims (1)

[Scope of utility model registration request] 1. A hook body (11) integrally having a shaft portion (16) and a hook portion (15), and a tongue piece (7) having a tip portion (17) and a lower end portion of the hook portion (15) coming into contact with and separating from each other. 31) and the shaft portion (16)
A cover (12) having a hole (32) into which the shaft portion (1) is inserted.
6) and one end is on the hook body (11) side and the other end is the cover (1
In a rotary type ring (10) comprising a torsion coil spring (26) locked to the 2) side and a holder (13) rotatably mounted on the upper end of the shaft (16), the shaft part A pair of notch grooves (22,
22) having a large-diameter flange (21), and a pair of protrusions projecting toward the center on the inner surface of the hole (32) of the cover (12) so as to correspond to the notch grooves (22, 22). A rotating type ring having (33,33).