JPH0615128Y2 - Bolt lock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a bolt locking tool for fixing parts and the like via a bolt-shaped locking member.

(Prior Art) Conventionally, as this type of bolt locking tool, as shown in FIG. 9, a pair of engaging members having a locking claw 34 at the tip in an insertion hole 32 formed in a locking tool body 31. A stop 33 is provided,
There is a configuration in which parts are fixed by inserting a bolt-shaped locking member 35 into the insertion hole 32 and elastically engaging a locking piece 33 having a locking claw 34 on the threaded portion.

(Problems to be solved by the invention) However, in the above-mentioned conventional configuration, the locking tool main body 3
If parts and the like are provided on the upper side of 1, it is difficult to confirm visually whether or not the parts are always securely attached at a predetermined length position because the insertion force varies depending on the operator. Often this is the reason
The locking tool may come off and interfere with other parts to generate abnormal noise,
There was a problem that caused an abnormality.

The present invention has been made to solve the above-mentioned conventional problems. By detecting a bolt-shaped locking member by inserting a predetermined length into the insertion hole of the locking tool, this can be detected at a predetermined insertion length position. It is an object of the present invention to provide a bolt locking tool capable of confirming the engagement of the bolt and improving the workability.

(Means for Solving the Problems) In order to solve the above technical problems, the present invention provides an insertion hole through which a bolt-shaped locking member can be inserted, and the bolt-shaped locking so as to project at a predetermined position in the insertion hole. A locking tool for a bolt provided with a locking piece capable of elastically engaging with a threaded part of a member, the locking piece formed in the insertion hole further on the insertion line side on the center line of the insertion hole. By disposing a detection member composed of two members facing each other at a predetermined position of the two and contacting the tip of the bolt-shaped locking member to be inserted, the engagement sound, the vibration sound, etc. of the two members can be generated. The present invention relates to a bolt locking tool that is configured to be able to generate an operation reaction sound and to detect the insertion length of a bolt-shaped locking member.

(Embodiment) Next, one embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a bolt locking device (hereinafter simply referred to as locking device).
The locking tool 1 is made of a synthetic resin or the like, and is formed as a combined body in which the left and right halves 2 and 3 are integrated via the hinge portion 4.

The left and right halves 2, 3 are formed in a substantially symmetrical shape, and the mating surfaces 2a, 3 of the halves 2, 3 are formed via the hinge portion 4.
By combining a, the substantially rectangular shaped locking tool 1 is formed. The half halves 2 and 3 are formed in a square block shape, and the half halves 2 and 3 have a predetermined shape. The window portions 5 and 5 ′ each having a size and a square shape are formed so as to penetrate therethrough, and the bolt-shaped locking member 22 is inserted through substantially the center of the mating surfaces 2a and 3a of the base portions 6 and 6 ′ on the connecting side. Recesses 7a and 7a 'which form the hole 7 are respectively provided. Further, slits 9 and 9'are formed in the walls 8 and 8'of the recesses 7a and 7a 'through the windows 5 and 5'to form locking pieces 10 and 10', respectively. A plurality of locking claws 11 and 11 '(two cases are illustrated in this example) projecting into the insertion hole 7 are formed on the opposite surfaces of 10, 10'. The locking pieces 10 and 10 'thus formed are elastically displaceable around their bases. In addition, insertion portions 12 and 12 'are formed on the side of the halves 2 and 3 that are connected by the hinge portion 4, that is, on the side that is the bottom of the base portions 6 and 6'. A mating surface 1 which is flush with the mating surfaces 2a and 3a of the half-split bodies 2 and 3 is formed on the two insertion portions 12 and 12 ', respectively.
A recess 13 is formed in a substantially semicircular block body having 2a, 12a ', and the insert portion 12, 12' forms a through hole 7 continuous with the recess 7a, 7a 'of the half-split body.
13 'is recessed, and guide pieces 14, 14' for guiding the bolt-shaped locking member 22 are integrally formed at substantially central portions of the recesses 13, 13 '. The half-divided bodies 2 and 3 formed in this manner are joined to each other via the hinge portion 4 and the mating surfaces 2a,
When 3a and 12a, 12a 'are combined, the recesses 7a, 7a' of the bases 6, 6'and the recess 1 of the inserts 12, 12 'are formed.
3, 3'are joined to form the insertion hole 7 of the locking member 22, and the locking pieces 10, 10 'formed on the bases 6, 6'are provided opposite to each other, and the locking claws 11, 11' thereof are formed. Are projected into the insertion hole 7. Insertion hole 7 of the main body formed in this way
A detection member 15 is formed in the windows 5, 5'on the upper side of the.

The detection member 15 is provided, for example, on the half-divided body 2 side, and the detection member 15 is composed of a locking piece 16 and an operating piece 17. The locking piece 16 has a width h1 at a central portion of the upper frame 5a of the window 5, that is, at a position slightly displaced from the center of the insertion hole 7 at a half position of the width H of the half body 2 near the mating surface 2a. And is vertically installed inside the window portion 5 and has a locking claw 16a formed at the tip thereof. Further, the operating piece 17 is formed in a substantially hook-shaped cross-section so as to extend from the predetermined position of the side frame 5b on the opposite side where the locking piece 16 is displaced to the inside of the window portion 5 via the hinge portion 19 and has a tip end portion. While the locking claw 17a is formed, the width h2 of the operating piece 17 is formed to be larger than the width h1 of the locking piece 16 and is formed to extend laterally from the mating surface 2a to form the half body 3. It is formed with a width h2 that extends into the window portion 5 ', is formed over the upper portion of the insertion hole 7, and is provided so as to be engageable with the locking piece 16 via the hinge portion 19.

In the figure, reference numeral 20 is a latch receiving portion provided on the half-split body 2, and reference numeral 21 is a latch piece provided on the half-split body 3 and engaged with the latch receiving portion 20.

Next, the operation and effect of this embodiment configured as described above will be described.

Now, in the present embodiment, the insertion hole 7 through which the bolt-shaped locking member 22 can be inserted, and the locking piece that protrudes into the insertion hole 7 and can elastically engage with the screw portion of the bolt-shaped locking member 22. 10, 1
In the bolt locking tool 1 provided with 0 ', the locking member 22 is provided in the insertion hole 7 at the tip end side in the insertion direction of the bolt-shaped locking member 22.
The detection member 15 including the locking piece 16 and the operating piece 17 capable of confirming the inserted state is formed at one end. Accordingly, when the bolt-shaped locking member 22 is locked by the locking tool 1 and a component (not shown) is attached,
The half-split bodies 2 and 3 are brought into contact with the mating surfaces 2a and 3a so that the hook receiving portion 2
0 and the hooking piece 21 are hooked and integrated. The flange-like engagement portion 12b formed on the outer surface of the integrated insertion portions 12 and 12 'is inserted into a substantially oblong mounting hole (not shown) formed in a component or the like. The parts are integrated by rotating them. After that, the insertion hole 7 formed by the concave portions 13 and 13 'formed in the insertion portions 12 and 12'.
When the locking member 22 is inserted from the upper end of the locking member 22 and pressed, the locking claws 11 and 11 'of the locking pieces 10 and 10' formed in the insertion hole 7 come into contact with the threaded portion of the locking member 22. Then, the locking pieces 10 and 10 'repeat elastic displacement and restoration, and are further pressed to insert the locking member 22 for a predetermined length.
The top portion of 2 projects into the windows 5 and 5'and pushes upward the operating piece 17 which is formed to extend upward. As a result, the operating piece 17
Is engaged with a locking piece 16 which is rotated around the hinge portion 19 and is vertically installed, and the locking claws 11 and 11 'of the locking pieces 10 and 10' are engaged with the threaded portion. When the detection member 15 is engaged, an engagement sound and a vibration are generated.

Therefore, according to the locking tool 1 of this example, the bolt-shaped locking member 2
When 2 is inserted for a predetermined length, the actuating piece 17 is pushed and engaged with the locking piece 16, so that the engaging sound and the vibration are generated, so that the locking member 22 is sufficiently inserted. Since it is possible to detect that the engagement with the locking pieces 10 and 10 'has been securely performed, it is not necessary to confirm by visual inspection or the like, and even when there is no room for confirmation, a reliable removal is possible. Whether or not it can be attached can be confirmed by the engagement sound and vibration when attaching.

The detection member 15 is not limited to the shapes of the locking piece 16 and the operating piece 17, and may be those shown in FIGS. 5 to 8, for example. That is, in FIG. 5, the locking piece 23 is provided on one side frame 5b of the windows 5, 5 ', and the operating piece 24 is provided on the other side frame 5c side via the hinge portion 25. . Also, the one shown in FIG.
6a and 26b are provided to face each other via a hinge portion 25a, and the distal ends of both operating pieces 26a and 26b are hinged to each other.
When the locking member 22 is pushed up by being connected by 5c, it is bent in an inverted dogleg shape as shown by the chain double-dashed line and abuts the upper frame 5a to generate vibration. Further, as shown in FIG. 7, the operating pieces 27a and 27b are provided to face each other by the hinge portion 25a, and a substantially triangular engaging projection 27c is formed at a predetermined angle at the tip of the operating piece 27a. 27
An engaging receiving portion 27d that fits with the engaging protrusion 27c is provided at the tip of b, and the engaging protrusion 27c and the engaging protrusion 27d are fitted and engaged by pushing up the locking member 22. It is pushed upward in a dogleg shape and abuts against the upper frame 5a to generate vibration. In addition, as shown in FIG. 8, the operating pieces 28a and 28b are provided facing each other at predetermined height positions of the side frames 5b and 5c, and the tips of the operating pieces 28a and 28b are connected by a thin portion 29. The locking member 22 abuts on the tips of the operating pieces 28a and 28b and pushes it upward to break the thin portion 29, so that the engagement force can be confirmed by feeling the change in the pressing force.

(Effects of the Invention) In the present invention, an insertion hole into which a bolt-shaped locking member can be inserted, and a threaded portion of the bolt-shaped locking member can be elastically engaged by protruding into a predetermined position in the insertion hole. Locking member provided with a locking member, the two members facing each other at a predetermined position on the center line of the insertion hole further to the insertion tip side than the locking piece formed in the insertion hole. By disposing a detection member consisting of and contacting the tip of the inserted bolt-shaped locking member, it is possible to generate an operation reaction sound such as an engagement sound or a vibration sound between the two members. By configuring the insertion length of the stop member to be detectable, the engagement reaction sound generated when the bolt-shaped locking member comes into contact with the detection member, the operation reaction sound such as vibration or change in pressing force, The bolt-shaped locking member is fully inserted up to the specified length so that the locking piece and Since you can confirm that it was done reliably,
Workability can be improved without the need for visual confirmation.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a developed plan view of a fastener for a bolt, FIG. 2 is a front view of the same, and FIG. 3 is a perspective view of a connecting portion of a half body, and FIG. Is an explanatory diagram of action, No. 5, 6,
7 and 8 are partial front views showing various aspects of the detection member, and FIG. 9 is a conventional example. DESCRIPTION OF SYMBOLS 1 ... Bolt locking tool, 7 ... Insertion hole 10 ... Locking piece, 15 ... Detection member 22 ... Bolt-shaped locking member

Claims (1)

[Scope of utility model registration request] 1. An insertion hole through which a bolt-shaped locking member can be inserted,
A bolt locking tool provided with a locking piece projecting at a predetermined position in the insertion hole and capable of elastically engaging with the threaded portion of the bolt-shaped locking member, the locking tool being formed in the insertion hole. A detection member composed of two members facing each other at a predetermined position on the center line of the insertion hole is disposed further on the insertion tip side than the locking piece.
By contacting the tip of the bolt-shaped locking member to be inserted,
A bolt locking tool configured to be able to generate an operation reaction sound such as an engagement sound and a vibration sound between the two members so as to detect the insertion length of the bolt-shaped locking member.