JP2000197544A - Holder for tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the separation of a socket for tightening bolts and nuts from a holder for display promotion. SOLUTION: A holder 2 to be mounted on a socket having a square hole 12 at one end thereof and a polygonal hole 11 at the other end thereof is provided with a catch jutting part 43 which is fitted into the square hole 12 of the socket 1 and turned by 45 deg. to be engaged with a recess 13 of a hole wall of the socket 1. A lock piece 5 is positioned at a corner part of the square hole 12 in a state wherein the jutting part 43 is engaged with the recess 13 to block the rotation of the holder 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a holder for exhibiting and selling a tool having a square hole, such as a socket for replacing a socket wrench.

[0002]

2. Description of the Related Art FIGS. 11 and 12 show a replacement socket (1).
1 shows a state where the conventional holder (2) is attached.
The socket (1) has, at one end, a square hole (12) into which the output shaft of a rotary tool fits, and at the other end a polygonal hole (1) engaging with a bolt / nut.
1), and a lateral hole (15) is formed in the four wall surfaces of the square hole (12) through the center of the recess (13) and the two opposite recesses (13) (13). The recess (13) allows a part of a ball provided so as to be able to protrude and retract into the side surface of the output shaft of the rotary power tool to softly lock the socket (1). A series of locking pins connected to the side hole opened on the shaft
It is established to insert (7).

[0003] The holder (2) is integrally formed of synthetic resin, and a fitting portion (4) that can be fitted into a square hole (12) of the socket (1).
The holding piece (3) is projected from the upper surface of the
And a hooking projection (43) is provided at right angles to the side hole, and a gripping piece (3) is provided.
Has a hanging hole (31) to be fitted to a hook or the like (Japanese Patent Publication No. 7-114740). Fitting part of the holder (4)
Is forcibly pushed into the square hole (12) of the socket (1), and the hooking projection (43) is engaged with the recess (13) formed on the wall surface of the hole. Insert the pin (7) into the side hole (15) formed in the socket (46) and socket (1),
(1) An O-ring (6) is fitted around the outer periphery to prevent the pin (7) from coming off.

[0004]

The holder (2) is
The socket (1) can be attached to the socket (1) even if the pin (7) is omitted.
If the dent (13) is loosely engaged with the holder (2),
(1) can be easily removed. Fitting part (4) and square hole (1
If the fitting or the engagement of the hooking projection (43) and the recess (13) in (2) is too tight, it becomes difficult to fit the holder (2) into the socket (1).

[0005] Even when the pin (7) is used, the O-ring
If you slide (6), pull out the pin (7) easily and insert it into the socket.
The holder (2) can be removed from (1). holder
If the socket (1) can be easily removed from (2), it will be easy to shoplift without bulking, and it is also conceivable to replace the holder (2) with a low-priced product and go through a cash register.
The present invention discloses a tool holder that can be easily attached to a tool such as a socket, but cannot be easily removed.

[0006]

The socket holder of the present invention has a square hole (12) at one end and a polygonal hole (11) at the other end, and a recess (13) on the wall surface of the square hole (12). A holder attached to a tool having a gripping piece, and a fitting portion protruding from a lower end of the gripping piece and rotatably fitted in a square hole (12) of the tool.
(4) and a detent piece (5) protruding from the lower end of the fitting portion (4). The hooking projection (43) that fits into the recess (13) on the wall surface of the square hole (12) by being inserted into the square hole (12) and rotated, and the square hole (12) and the hooking projection (43) Escape groove in the vertical direction facing the corner of square hole (12) when engaged
(44) is formed.

[0007]

[Operation and effect] The fitting part (4) is inserted into the square hole (12) of the tool (1) in a state where the detent piece (5) is bent and fitted in the relief groove (44) of the fitting part (4). In this state, when the detent piece (5) is turned until it is positioned at the corner (14) of the square hole (12), the hooking projection (43) is hooked on the recess (13). Further, the detent piece (5) is pushed by its elastic restoring force to a point near the corner (14) of the square hole (12). Even if the holder (2) is to be pulled out from the socket (1) in the above state, since the hooking projection (43) of the holder (2) is fitted into the recess (13) of the socket (1), the holder ( 2)
Can not be removed.

When the holder (2) is to be rotated in the socket (1), the opening edge (45) of the escape groove (44) of the holder (2) pushes the side surface of the locking piece (5), and the rotation is stopped. Since the piece (5) is strongly pressed against the wall surface of the square hole (12), the holder (2) cannot be turned by the detent piece (5). Therefore, even if the holder (2) is pulled from the socket (1), the holder (2) does not come off, and the holder (2) does not rotate even if it is rotated.

[0009] A turning piece (5) of the holder (2) with a thin shaft such as a nail.
Push the tip of the holder to the bottom of the escape groove (44), and in this state
Turning (2) turns the holder (2). Holder (2) about 4
When turned 5 °, the hook (43) of the holder (2) is recessed (13).
And is located at the corner (14) of the square hole (12). When the holder (2) is pulled in this state, it can be easily removed from the socket (1). As described above, insert the fitting part (4) of the holder (2) into the square hole (12) of the socket (1),
It can be easily mounted on the socket (1) by rotating it about 45 °, but it is necessary to use a thin shaft to remove the holder (2), which is effective in preventing shoplifting and preventing tampering when replacing the holder (2). is there.

[0010]

FIG. 1 shows a holder in a socket (1).
FIG. 2 shows the holder (2) with the (2) attached. The holder (2) is integrally formed by injection molding of a synthetic resin. The holder (3) is provided at a lower end of the gripping piece (3) and is rotatable into a square hole (12) of the holder (2). A fitting portion (4) to be fitted, and a detent piece protruding from a lower end of the fitting portion (4).
(5).

The fitting part (4) is a square hole (12) of the socket (1).
The peripheral surface of the cylindrical body, which is slightly shorter than the depth, is cut out at an interval of 90 ° to form three planes (41) and one relief groove (44). The plane (41) and the relief groove (44) are formed over the entire length in the height direction of the fitting portion (4), and the opposing planes (41) (4) are formed.
The distance between 1) is slightly smaller than the distance between the opposing side walls of the square hole (12), and the fitting portion (4) is rotatable in the square hole (12). The groove width of the relief groove (44) is the same as the width length of the plane (41).

At four arc portions on the outer periphery of the fitting portion (4), hooking projections (43) are provided at positions corresponding to the arc-shaped recesses (13) on the wall surface of the square hole (12) of the socket (1). It is protruding. As shown in FIGS. 8 and 9, when the fitting portion (4) is fitted into the square hole (12), if the hooking projection (43) is made to correspond to the corner portion (14) of the square hole (12),
The fitting part (4) can be fitted into the square hole (12),
If the fitting portion (4) is rotated in (12), the hooking protrusion (43) is smoothly inserted into the arc-shaped recess (13).
(43) protrudes in an arc shape from the arc surface of the fitting portion (4).

The gripping piece (3) is provided in a plane passing through the axis of the fitting portion (4), and has a height greater than the height of the socket (1) and a width length of the socket (1). It is formed larger than the maximum diameter. A label (32) indicating a product description, a price, and the like is attached to the gripping piece (3), and a hanging hole (31) is opened in the upper center.

As shown in FIGS. 2 and 4, a detent piece (5) is provided at the lower end of the fitting portion (4) so as to project directly below. Detent piece
The base end of (5) is turned 180 ° by elastic deformation and
4) A thin flexible portion (51) that can bend to the side is formed, and the distal end is thick. When the locking piece (5) is bent upward and fitted into the relief groove (44), and pressed against the bottom of the groove, the locking piece (5) excluding the flexible portion (51) opens the relief groove (44). Hardly comes from

In the embodiment, the tip of the detent piece (5) is formed in a substantially triangular shape corresponding to the corner (14) of the square hole (12) of the socket (1). As described above, the recessed steps (53) and (53) that can be engaged with the opening edge (45) of the escape groove (44) are formed. Also, the fact that the detent piece (5) is protruded directly below the fitting part (4) is advantageous in resin molding, and as shown in FIG. You may.

As shown in FIG. 4, the detent piece (5) is bent at a substantially right angle, and the detent piece (5) is inserted into the square hole (1) of the socket (1).
The fitting part (4) of the holder (2) is pushed into the square hole (12) while being positioned at the center of one side of the opening of (2). As shown in FIGS. 5 and 6, as the fitting portion (4) enters the square hole (12), the detent piece (5) is pushed by the opening edge of the square hole (12) and is bent upward to escape. Escape into the groove (44).

As shown in FIG. 7, the fitting portion (4) has a square hole (12).
Turn the holder (2) about 45 ° while it is completely fitted in the. As shown in FIG. 9, the hooking projection (43) of the fitting portion (4) fits into the recess (13) of the wall surface of the square hole (12) and is hooked. or,
The detent piece (5) faces the corner (14) of the square hole (12), and the detent piece (5) tries to escape from the escape groove (44) by elastic return force. Is the corner of square hole (12) (1
Press 4). In the above state, if the holder (2) is to be pulled out from the socket (1), the catching projection (43) of the holder (2)
Cannot fit in the recess (13) of the socket (1), so that the holder (2) cannot be removed.

As shown in FIG. 10, when the holder (2) is to be rotated in the socket (1), the escape groove (44) of the holder (2) is used.
The opening edge (45) pushes the side of the detent piece (5), and the detent piece
(5) is further pressed against the corner portion (14) of the square hole (12), and the holder (2) cannot be turned. Therefore, the holder (2) cannot be removed by pulling or turning the holder (2) from the socket (1).

As in the embodiment, when a concave step (53) which can be hooked on the opening edge of the escape groove (44) is formed at the tip of the rotation stopper piece (5), the holder (2) is rotated. When, escape groove (44)
The opening edge of (5) is caught by the concave step (53), and the detent piece (5)
Cannot escape into the escape groove (44). Therefore, from the state where the recess (13) of the wall surface of the square hole (12) of the socket (1) is engaged with the hooking projection (43) of the fitting part (4), the holder (2) is released for disengagement. Cannot be rotated at all, which is more effective in preventing separation of the holder (2) and the socket (1).

[0020] A turning piece (5) of the holder (2) with a thin shaft such as a nail.
Push the tip of the holder to the bottom of the escape groove (44), and in this state
Turning (2) turns the holder (2). Holder (2) about 4
When turned 5 °, the hook (43) of the holder (2) is recessed (13).
And is located at the corner (14) of the square hole (12). When the holder (2) is pulled in this state, it can be easily removed from the socket (1).

As described above, the holder (2) is connected to the socket (1).
Can be easily attached to the socket (1) by rotating it about 45 °, but it cannot be removed without the use of a thin shaft, which prevents shoplifting and mischievous replacement of the holder (2). effective.

It should be noted that the present invention is not limited to the above-described socket, but is used as a holder for a joint for connecting an output shaft of a rotary power tool to a replacement hexagonal shaft for rotating various hexagonal bolts. Any type of tool can be used as long as it has a square hole into which the fitting portion (4) of the holder (2) fits.

[Brief description of the drawings]

FIG. 1 is a perspective view in which a holder is mounted on a socket.

FIG. 2 is a perspective view of a holder.

FIG. 3 is a plan view of a holder.

FIG. 4 is a sectional view just before a holder is fitted into a socket.

FIG. 5 is a cross-sectional view showing a state where the holder has been fitted into the socket.

FIG. 6 is a cross-sectional view showing a state where a fitting portion of the holder is fitted to the socket.

FIG. 7 is a sectional view showing a state where the holder is rotated by 45 ° from the state of FIG. 6;

FIG. 8 is a sectional view taken along the line AA of FIG. 6;

FIG. 9 is a cross-sectional view along the line BB in FIG. 7;

FIG. 10 is a cross-sectional view showing a state in which the opening edge of the escape groove of the fitting portion is hooked on the concave step portion of the detent piece.

FIG. 11 is a sectional view of a conventional example.

FIG. 12 is a cross-sectional view in a direction rotated by 90 ° in FIG. 11;

[Explanation of symbols]

 (1) Socket (12) Square hole (13) Depression (2) Holder (3) Grip piece (4) Fitting part (43) Hook protrusion (44) Relief groove (5) Locking piece (53) Recess Step

Claims (2)

[Claims] 1. A square hole (12) at one end and a polygonal hole (11) at the other end.
A holder attached to a tool having a recess (13) on the wall surface of a square hole (12), comprising: a gripping piece (3);
A fitting part (4) protruding from the lower end of (3) and rotatably fitted into the square hole (12) of the tool; and a detent piece (5) protruding from the lower end of the fitting part (4). The whole is integrally formed of synthetic resin, and is inserted into the square hole (12) of the tool and rotated on the side surface of the fitting portion (4), so that the recess (13) in the wall surface of the square hole (12) is formed.
The hooking projection (43) and the square hole (12) that fit into the
In the engagement state of 3), a relief groove (44) is formed in the vertical direction facing the corner of the square hole (12), and the detent piece (5) is bent and fitted into the relief groove (44). In this state, the fitting part (4) is fitted into the square hole (12) of the tool (1) and turned until the detent piece (5) is positioned at the corner (14) of the square hole (12). The protrusion (43) is recessed (1
3), the detent piece (5) comes into contact with the corner (14) of the square hole (12) by the elastic return force of the detent piece (5), and the holder (2)
Tool holder that prevents rotation of the tool. In the state where the detent piece (5) is in contact with the corner part (14) of the square hole (12) of the holder (2), the escape groove (44) of the fitting part (4) is formed. 2. The tool holder according to claim 1, wherein a recessed step (53) with which an opening edge is engageable is formed.