JPS58149408A - Clamping tool - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fastening tool for fastening parts to be fastened together so that they can be disassembled and reassembled. The present invention relates to a fastening tool suitable for use when fastening members so that they can be disassembled and assembled.

In general, piping, valves, and other equipment are covered with heat insulating material to prevent heat radiation from them.In this case, the heat insulating material is rolled up to facilitate maintenance and inspection of the equipment, etc. It may be provided so that it can be assembled. In order to ensure such disassembly and reassembly possible state, the heat insulating member has a split structure.

The divided bodies are joined together at each end, and a fastening tool is placed at the joined portion to fasten them.

Conventional fastening tools of this type include those shown in FIGS. 1 and 2, for example. 1 II.

In FIG. 2, a metal heat insulating member 1 which is a member to be fastened
is coated on the outer periphery of a pipe 2, which is an example of an object to be heat-insulated, and this heat-insulating member 1 is divided into upper and lower halves in the direction of the core of the pipe, and can be disassembled and assembled.

Fastening tools 3 are respectively disposed at two welding portions on both sides of the heat insulating member 1, and the heat insulating member 1 is fastened to the heat insulating member 1 in a removable manner by the fastening tools 3.

The fastening tool 3 includes a mounting member number fixed to the end of one divided body of the heat insulation member 1, and a retaining member having a rectangular frame body and rotatably supported at one end by the mounting member 4. 5, a stop member 6 fixed to the end of the other divided body, and a stop member 6
Consisting of a through hole 7 drilled at one end and a split pin/8 inserted and held in the through hole 7, the retaining member 5 is hooked to the stop member 6 with a length of 9 f, and the stop member 6 is hooked with a split pin of 9 f. By inserting 8, it is fastened.

However, in such conventional fastening tools,
While repeatedly disassembling and reassembling the heat insulating member l, the split bottle 10 may be lost.

Also, in workplaces such as inside nuclear power plants.

It is inefficient to attach and detach relatively small split bottles while wearing gloves and safety clothing.

This leads to an increase in the amount of radiation exposure, and there are also disadvantages such as the repeated expansion and contraction of the heat insulating material, vibrations, etc., and the impact of a worker climbing on or off the heat insulating material, which may cause the 10% bottle to come off. there were.

The object of the present invention is to overcome the drawbacks of the prior art.

To provide a fastening tool that can easily perform fastening and unfastening operations and can prevent undesirable fastening release.

The present invention is characterized in that a connecting member that can be freely secured to a stop member is provided as a link mechanism on a mounting member, and the retaining member is configured to move forward and backward with an elastic crab, and the fastening member and the retaining member are fastened together. It is characterized in that the locking is performed by an elastic crab, and the fastening and releasing operations are performed automatically by the action of a link mechanism.

The present invention will be described in detail below with reference to the drawings.

Figures 3 to 5 show a fastening tool according to an embodiment of the present invention, and Figures 6 and 7 show the mounting state when the fastening tool is used to fasten a heat insulating member. It shows.

This fastening tool 9 consists of a stopper member 10 and a main body 11.
The main body 11 includes a plate-shaped mounting member 12 fixed to one end of a member to be fastened, and a holding member 13 whose one end is rotatably supported on one end of the mounting member 12.

A substantially box-shaped holding member 14 has one end rotatably supported in the middle of the holding member 18, and one end is held in the free end of this holding member 14 so as to be freely advanced and retracted, and the frame body is The holding member 15 includes a retaining member 15, and a spring 16 built into the retaining member 14 in the form of a force storage 11 to constantly bias the retaining member 15 in the forward direction. A grip portion 17 is integrally formed at the free end of the presser member 13 and is inclined upward.

At the base position of the knob 170 of this presser member 18.

An intermediate portion of the locking member 18 is rotatably supported,
A knob portion 19 is integrally formed at one end of the lock member 18, and a lock claw portion 20 is integrally formed at the other end.

A second claw portion 21 that engages with the lock claw portion is provided at the end of the mounting member 12 opposite to the pivot end of the presser member 13.
is formed by cutting and raising a part of the mounting member itself. A torsion spring 22 is externally mounted on the bottle that pivotally supports the locking member 18, and this spring 22 constantly biases the locking member 18 in a direction such that the 1ml claw portion 20 engages with the second claw portion 21. There is.

The stop member 1O is #1 formed in a 1-shape ^11
It is designed to be able to engage with the engagement member 15 of the distribution body 11, and to be fixed to one end of the member to be fastened.

Next, an example of how to use the fastening tool according to the above structure will be described with reference to FIGS. 5 and 6.

The outer periphery of the object 2 to be kept warm is coated with a heat insulating member 1 which is divided into two parts and combined face-to-face as shown in FIG. The seam of this band 81 is located corresponding to the joint surface, that is, the joint between the divided bodies of the heat retaining member l. A stopper member 1 is attached to one end of the seam of this band 81.
The back part of the main body 11 is welded to the back part of the main body 11 and the back part of the mounting member 12 is fixed to the other end of the joint by means of adhesive or the like. In this embodiment, both ends of the band 310 form an assembly between directly joined parts of the members to be fastened.

Then, the free end of the joining member 1B of the main body 11 is hooked on the seven hooks of the stopper member 10, and then the holding member 1
3 by pressing its knob 17. Presser member 1
When 3 is pushed down beyond the dead center, the holding member 14 is pulled in the opposite direction to the stop member 1G and hooked on the stop member 10, and the 9 engagement member 15 is maintained in a retained state by the elastic crab of the spring 16. Migrate as follows.

After that, the knob portion 19 of the locking member 18 is
Push and rotate the locking member 18 in the direction shown in FIG. The engaged state of both claws 20 and 21Q is maintained by a spring 22 that biases the locking member 18 in a predetermined direction.

In this way, the engaging member 1 of the stop member 10 and the main body 11
5 is maintained by the elastic crab of the spring 16, the heat insulating member 1 is repeatedly expanded and contracted, and vibrates. , will not be released, and the first claw portion 2
0 and the second claw part 21, the locking part, the material 15, and the mounting member 12 form a locked state, so that the above-mentioned fastening release inhibiting effect is further strengthened.

In the fastened state, the locking member 18 is rotated by pushing down the knob 19, the w41 claw part 20 is separated from the second claw part 21, and at the same time, the holding member 13 is rotated upward by pulling up the knob 17. It can be easily released by That is, when the presser member 13 rotates beyond the dead center,
The holding member 14 moves in the direction of the stop member IO, and the holding member 1s and the stop member 10 also move to a detachable state. Thereby, the above-mentioned fastened state can be released by stopping the engagement member IS and separating it from IS#1G.

In this way, according to the examples in this collection, the tightening and releasing operations are extremely easy, so they should be carried out quickly even in good conditions by wearing gloves and anti-corrosion clothing in workplaces such as nuclear power plants. We meet.

Therefore, one work becomes more efficient and the amount of radiation exposure is reduced.

In addition, in the above embodiment, the fastening tool is attached to the presser band in nine cases, but the fastening tool may be attached directly to the heat insulating member. First, it may be placed at the joint on the end face of the heat insulating member, or several sets of K11L may be placed on each side.
The present invention is not limited to the case where it is used for fastening a heat insulating member. It can be fully applied to various fields. - 1 As explained above, according to the present invention, it is possible to easily perform fastening and release, and moreover, it is possible to prevent accidental release accidents.

[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a longitudinal cross-sectional view showing the conventional example in use, Fig. 2 is a front view showing the conventional example, and Figs. 3 to 7 show an embodiment of the present invention. So, Figure 3 is a plan view, Figure 4 is a front view,
FIG. 5 is a perspective view, FIG. 6 is a side view showing the mounting state before locking, and FIG. 7 is a perspective view showing the mounting state after locking. 1... Heat insulation member, 2... Heat insulation object, 9... Fastening tool. lO... Stopping member, 11... Main body, 12... Mounting member. 13... Pressing member, 14... Holding member, 15...
Engagement part shrine, 16 river spring, 18... lock member,
20 No. 5-fZJ 2 Kuzu 7♂

Claims (1)

[Claims] 1. In a fastening tool that is provided between the joint parts of a pair of fastened members that are joined to each other and is configured to fasten the fastened members to each other, a mounting member that is fixed to one joint part of the fastened members; , a holding member whose one end is rotatably supported at one end of the mounting member, a holding member whose one end is rotatably supported at the intermediate portion of the holding member, and the other end of the holding member. A fastening tool comprising: a locking member that is movably held by an elastic crab; and a stopper that is fixed to the other joint of the member to be fastened and can be engaged with the engagement member.