JPH0613799Y2 - Tool for mounting the fall prevention member in the screw assembly parts - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of use) The present invention attaches a fall prevention member made of a flexible thin plate material to a screw inserted in an assembly part in order to prevent the screws from coming off from each other. For tools.

(Prior Art) In the manufacture of automobiles, for example, many parts such as washers and brackets are assembled with screws such as bolts,
In the assembling, the screws are usually inserted into the parts to assemble them, and then the screws are fastened to the vehicle body or the like.

At this time, in the state where the parts and the screws are assembled, they are likely to fall off, which makes it difficult to tighten the screws.

Means for eliminating such inconvenience include, for example,
As disclosed in Japanese Laid-Open Patent Publication No. 4005, a fall prevention member made of a flexible thin plate material such as paper or a plastic film is inserted into a screw inserted through a component such as a washer from its tip, and then attached. A method for preventing the parts and screws from falling off is generally known. By thus preventing the parts and screws from falling off, the screw tightening work can be efficiently performed.

On the other hand, the work of attaching such a fall-prevention member to a screw has conventionally been performed manually. Specifically, one worker removes the fall-prevention member from a case or the like in which a large number of fall-prevention members are stored. Each one was grasped and taken out, and this was attached to the screw.

However, this type of fall-prevention member is disclosed in
As disclosed in Japanese Patent Publication No. 4005, since it is generally small and thin, it is relatively time-consuming to grasp and take out the captive prevention members one by one and attach them to the screws as described above. However, this has been an obstacle to improving work efficiency. In particular, when there are a large number of screw assembly parts, such as in automobiles, a great deal of labor and time are required just to attach the fall prevention member to the screws, which is an obstacle to improving the assembly work efficiency. In addition, it has been an obstacle to reducing the manufacturing cost.

(Problems to be Solved) An object of the present invention is to eliminate such inconvenience and to provide a tool capable of easily and efficiently attaching a drop-out prevention member to a screw inserted in a component without gripping the drop-out prevention member. To do.

(Means for Solving the Problem) In order to achieve such an object, a tool for mounting a fall prevention member in a screw assembly part of the present invention is provided with a screw inserted into an assembly hole formed in the assembly part. A tool for mounting a fall-preventing member made of a flexible thin plate material to prevent the attached parts from coming off, and a plurality of drop-offs having the same shape and having fitting insertion holes that can be fitted into the tips of the screws. A thin plate continuum formed by integrally connecting the prevention members to each other at regular intervals through a kerf, a reel body pivotally supported by a base and winding and holding one end of the thin plate continuum; A case body fixed to the base adjacent to the reel body and an extending portion of a thin plate continuous body provided on the case body and movably extended from the reel body are guided in the longitudinal direction thereof. The surface side of the extending portion in a direction intersecting the guide portion and the extending portion of the thin plate continuum. A movable member that is provided in the case body so as to be movable from the rear side to the rear side and one end portion of which extends from the case body to the front surface side of the extending portion; and the movable member that is provided in the case body and the movable member is the case. Urging means of the moving member for returning the moving member when it is pushed into the body, and a fulcrum shaft housed in the case body, rotatably supported along the extending portion of the continuous thin plate body, A rotating piece, one end of which extends from the support shaft toward the position of the groove of the extending portion, and a rotatable piece which is rotatably provided at one end of the rotating piece and engages with the groove of the extending portion. A pushing piece for moving the extension part to the tip side only when the turning piece is turned toward the tip side of the extension part; the other end of the turning piece and the moving member. When the moving member is pushed into the case body, the turning piece is turned to extend the continuous thin plate body through the pushing piece. A connecting means for moving the tip to the tip side thereof by the distance between the respective drop-preventing members, and the case body swingably provided at the tip position of the extension part from the front surface side to the back surface side of the extension part. A rocking blade, a biasing means for the rocking blade that returns the rocking blade when the rocking blade is rocked, and a thin plate continuous member provided at one end of the moving member protruding from the case body. After the extending portion of the body is moved to the tip end side by the distance between the respective fall prevention members, when the moving member is further pushed into the case body, it abuts against the rocking blade and extends the rocking blade. The pressing portion of the swing blade that swings from the front surface side to the back surface side of the portion to cut the connecting portion between the fall prevention members adjacent to each other, and is provided in the case body and cut by the swing blade. The tip of the extended portion at the position on the back surface of the fall-preventing member around the fitting insertion hole. A slide contact portion that slides in contact with the slide contact portion, and a fitting insertion hole for the fall prevention member when the tip end portion of the screw is inserted into the slide contact portion and the fall prevention member is slid in contact with the slide contact portion. And an insertion hole located concentrically.

Further, a clamp for fixing the base to the stationary machine base is provided on the base.

Alternatively, a grip portion is provided on the base, and a trigger is provided so as to be movable integrally with the moving member from the moving member to a position in the vicinity of the grip portion.

(Operation) According to such means, when the screw is inserted into the assembly hole of the assembly component and the fall prevention member is attached to the screw, first, the pressing portion of the moving member is continuously connected to the thin plate. The moving member is pushed into the case body by pressing from the front surface side to the back surface side of the extending portion of the body. At this time,
When the moving member is pushed in, first, the rotating piece connected to the moving member by the connecting means is moved to the tip end side of the extending portion of the thin plate continuum around the support shaft together with the pushing piece. Pivoting along the extension, whereby the pushing piece engages with one of the fall prevention members of the extension at the position of the kerf,
Further, with the rotation, the extending portion is pushed to the tip end side while being guided by the guide portion of the case body and is pulled out from the reel body. Then, the pushing of the extending portion is performed only at intervals between the respective fall prevention members of the thin plate continuum,
At the end of the pushing, the back surface of the drop-out preventing member at the tip of the extending portion is slidably contacted with the sliding contact portion at a position around the fitting insertion hole, and the fitting insertion hole is slidably contacted with the sliding contact portion. Is located concentrically with the insertion hole.

Then, as the moving member is further pushed in, the pressing portion at one end of the moving member abuts on the swing blade, and the swing blade moves from the front surface side to the back surface side of the extending portion. Pressing toward each other, whereby the rocking blade is rocked in the pressing direction. At this time, the swing blade swings toward the connecting portion between the drop-preventing member at the tip of the thin plate continuum and the drop-preventing member adjacent thereto, and cuts the connecting portion. Thus, the fall prevention member at the tip of the extending portion is separated from the extending portion.

After such cutting, the assembly component is brought into contact with the case body at the position of the fall prevention member separated from the extension portion, and the mounting hole of the assembly component is fitted into the fitting insertion hole of the fall prevention member. Positioned concentrically, and in this state, the tip of the screw is inserted into the insertion hole of the sliding contact portion from the mounting hole of the assembly part through the fitting insertion hole of the drop-preventing member, thereby The fall prevention member is fitted and inserted into the tip portion. The assembled component is detached from the case body so that the screw is pulled out from the insertion hole of the sliding contact portion after the fitting and insertion, so that the fall prevention member fitted into the screw is It is taken out of the case body from the guide portion in a state where the screw is inserted into the mounting hole of the assembly component.

On the other hand, after the cutting, the pressing of the moving member is stopped by releasing the pressing of the pressing portion of the moving member.
At this time, the moving member is biased by the biasing means of the moving member from the rear surface side to the front surface side of the extending portion, whereby the moving member is moved in the opposite direction to the pressing portion. With it is returned to the original position. Then, when the moving member returns, the pressing portion of the moving member is first separated from the swing blade, and at this time, the swing blade is biased by the swing blade to cause the thin plate continuum to move. The extended portion is urged from the rear surface side toward the front surface side to return to the original position. Then, as the moving member further returns to the original position, the rotating piece is rotated toward the original position through the connecting means in the opposite direction to the above. At this time, the pushing piece is returned to the original position without engaging with the drop-preventing member of the extending portion, and is again engaged with the position of the cut groove between the next drop-preventing members in the original position.

Therefore, with the tool for mounting the fall prevention member, it is possible to return to the initial state after the fall prevention member is attached to the screw, and repeat the work of attaching the fall prevention member.

The work of inserting the fall prevention member into the screw may be performed in any state after the moving member is pushed into the case body as described above or after the moving member is returned to the original position. It is possible to do.

Next, when the base is provided with a clamp, the above-mentioned work is performed after the base is fixed to the stationary machine base via the clamp. In this case, since the attachment tool for the fall prevention member is fixed to the stationary machine base, the assembly component is gripped and brought into pressure contact with the pressing portion of the moving member,
Similarly to the above, the assembly member pushes the moving member into the case body through the pressing portion to separate the fall-out preventing member at the tip end portion of the extension portion from the extension portion, and subsequently to this. With the moving member pushed in, the assembly component is brought into contact with the case body as described above, and the fall prevention member is fitted into the screw, so that the fall prevention member at the tip of the extension portion is removed. It is possible to successively perform the work of separating from the extending portion and the work of fitting the drop-preventing member into the screw in order.

When the grip is provided on the base and the trigger is provided from the moving member to a position in the vicinity of the grip, the operation of separating the fall-out prevention member at the tip of the extension from the extension. Is performed by grasping the grasping portion and pushing the moving member into the case body via the trigger, and the work of inserting the drop-preventing member into a screw does not move the assembly part. Instead, the tool for mounting the drop-off prevention member can be held by gripping the gripping part and moving toward the assembly component.

(Example) An example of a tool for mounting the falling prevention member in the screw assembly component of the present invention will be described with reference to FIGS. 1 to 7. First
FIG. 2 is a perspective view of the tool, FIG. 2 is an exploded perspective view of the essential parts thereof,
3 is a plan view of a thin plate continuum of the tool, FIG. 4 is a sectional view taken along the line IV-IV of FIG. 1, and FIGS. 5 and 6 are operation explanatory views for explaining the operation of the tool. FIG. 7 shows VII-VII in FIG.
It is a line sectional view.

In FIGS. 1 to 4, reference numeral 1 denotes a thin plate continuous body formed by connecting a plurality of fall prevention members 2 made of a flexible thin plate material such as paper or plastic film in a row, and 3 denotes one end of the thin plate continuous body 1. A reel body that winds up and holds 4 is a case body that includes a guide portion 5 that guides the extending portion 1a of the thin plate connecting body 1 that is movably extended from the reel body 3 in the longitudinal direction, and 6 is a case A push rod, which is a moving member movably provided on the body 4, 7 is a rotating piece rotatably provided on the case body 4, 8 is a connecting means for connecting the rotating piece 7 and the push rod 6, and 9 Is a case body 4 for separating the fall prevention member 2s at the tip of the extending portion 1a of the thin plate continuum 1 from the extending portion 1a.
It is a swing blade that is swingably provided on the.

In FIG. 3, each falling prevention member 2 of the thin plate continuum 1 is formed in a circular shape, and has a substantially cross shape that can be inserted into the tip of the screw A (shown in phantom in FIG. 1) at the center thereof. A fitting hole 10 is provided. And each fall prevention member 2 is arranged in one line at equal intervals, and is connected integrally via the connecting part 11 on the center line, and thereby the thin plate continuum 1 is formed. At this time, each of the drop-preventing members 2 has a circular shape, and a cut groove 12 is formed between the drop-preventing members 2 and the adjacent drop-preventing members 2 except for the position of the connecting portion 11.

The reel body 3 is detachably and pivotally attached to a support shaft 14 standing on a plate-like base 13 via a rotary shaft 15 as shown in FIG. It is wound around the rotating shaft 15 and held. The extending portion 1a, which is the other end of the continuous thin plate body 1, is pulled out from the reel body 3 through an opening 16 formed in the outer peripheral portion of the reel body 3 and is movable in the tangential direction of the reel body 3. It has been extended.

The base 13 is fixed to a stationary machine base 18 via a clamp 17 extending from the lower surface of the base 13 as shown in FIG. 1, and is supported horizontally.

As shown in FIGS. 1 and 2, the case body 4 includes a bottom plate 19 fixed to the base 13 adjacent to the reel body 3, and a thick plate-shaped guide fixed to the bottom plate 19. Body 20 and the guide body 20
It consists of a top plate 21 fixed on the top.

The guide body 20 has a thickness substantially the same as the width of the continuous thin plate body 1 as shown in the second drawing, and the side surface of the guide body 20 extends from the position of the opening 16 of the reel body 3 in the tangential direction of the reel body 3. In a substantially L-shape, which includes a tangential surface 22a extending in the direction of the tangential surface 22a and a cross-direction surface 22c extending in a direction substantially orthogonal to the tangential surface 22a through a smooth curved surface 22b continuous from the tangential surface 22a. A curved guide surface 22 is formed.

As shown in FIGS. 1 and 2, a guide flange 23 is provided upright along the lower portion of the guide surface 22 at a position having a substantially constant gap with the guide surface 22, as shown in FIGS. To
At the side edge of the top plate 21, a guide flange 24 is vertically provided along the upper portion of the guide surface 22.

The guide part 5 is composed of these guide surfaces 22 and both guide flanges 23 and 24, and as shown in FIG. 4, a guide groove 5a, between the guide surface 22 and the guide flanges 23 and 24,
5b is formed. As shown in FIGS. 1 and 2, the extending portion 1a of the thin plate continuous body 1 has its both side edges extending from the opening 16 of the reel body 3 to the guide groove 5a of the guide portion 5.
The guide groove 5 is extended to a substantially boundary position between the curved surface 22b of the guide surface 22 and the intersecting direction surface 22c by being guided by the guide groove 5b.
It is movable in the longitudinal direction along a and 5b. In this case, the tip of the extending portion 1a has the curved surface 22 of the guide surface 22.
From the substantially boundary position between b and the cross direction surface 22c, the cross direction surface 22
It can be moved by the distance between the respective fall prevention members 2 to a position where it comes into contact with a stopper 25 fixed to the terminal end of c.
The surface of the extension portion 1a on the guide flange 23, 24 side is exposed to the outside of the case body 4 through the gap between the guide flanges 23, 24 together with the fitting insertion holes 10 of the respective fall prevention members 2. .

As shown in FIGS. 1 and 2, the tip of the extending portion 1a of the thin plate continuum 1 is stoppered on the cross direction surface 22c of the guide body 20.
A sliding contact portion 26 is formed that is in sliding contact with the back surface of the fall prevention member 2s at the tip of the extending portion 1a when moved to a position in contact with 25. The sliding contact portion 26 has a tip portion of the screw A. An insertion hole 27 into which is inserted is formed. In this case, the insertion hole 27
Is when the tip of the extending portion 1a comes into contact with the stopper 25,
It is provided at a position concentric with the fitting insertion hole 10 of the fall prevention member 2s.

Further, on the side surface portions of the guide body 20 and the top plate 21, respectively, as shown in the second illustration, substantially boundary positions of the curved surface 22b and the intersecting direction surface 22c of the guide surface 22, that is, the tip end position of the extending portion 1a. In the vertical direction, cut grooves 28, 29 extending in the vertical direction are formed, and these cut grooves 28, 29 communicate with each other with the top plate 21 fixedly mounted on the guide body 20. A vertically extending flat plate member 30 is housed in the cut groove 28 of the guide body 20, and the flat plate member 30 has a lower portion spaced apart from one side wall of the cut groove 28 and the other side wall. It is fixed, and its upper end is cut into a groove 28 as shown in FIG.
From above through the notch 29 of the top plate 21 to project above the top plate 21.

The swing blade 9 is a flat plate member as shown in FIGS.
It is pivotally attached to the upper end portion of 30 via a support shaft 31, and extends diagonally downward from the support shaft 31 through the inside of the cut groove 29 of the top plate 21,
The cutting edge portion is projected from the cut groove 29 to the surface side of the extending portion 1a. The swinging blade 9 is swingable around the support shaft 31 from the front surface side to the rear surface side of the extending portion 1a to a position where it is housed in the cut groove 28 of the guide body 20. Has been done. A coil spring 32, which is a biasing means for the swing blade 9, is wound around the support shaft 31, and both ends of the coil spring 32 are locked to the swing blade 9 and the flat plate member 30. When 9 is swung, it is urged to return it to its original position.

The push rod 6 has a tip portion as shown in FIGS.
As shown in the figure, a groove 33 formed on the top plate 21 from substantially directly above the sliding contact portion 26 of the guide body 20 toward the reel body 3 in a direction orthogonal to the intersecting direction surface 22c of the guide surface 22.
Further, the extending portion 1a of the thin plate continuum 1 is slidably inserted from the front surface side to the back surface side, and the rear end portion is projected from the groove portion 33 to the outside of the case body 4. Push rod 6
Is connected to the inner wall of the tip of the groove portion 33 via a compression spring 34 which is a biasing means of the push rod 6 housed in the groove portion 33. When pushed into the 33, the push rod 6 is biased toward its original position.

At the rear end portion of the push rod 6, a flat plate-shaped pressing portion 35 for pressing and swinging the swing blade 9 is integrally extended with the push rod 6 to a position facing the swing blade 9. Is
When the push rod 6 is pushed into the groove 33, the pressing portion 35 comes into contact with the back surface of the rocking blade 9 and presses the rocking blade 9 from the front surface side to the back surface side of the extending portion 1a. I try to rock it.

In addition, the side surface of the top plate 21 is provided with a recess 36 communicating with the groove 33 and accommodating the pressing portion 35 at a position facing the pressing portion 35 of the push rod 6, and when the push rod 6 is pushed in. , The push rod 6 and the pressing portion 35 respectively in the groove 33
And it is accommodated in the recess 36.

As shown in FIG. 2, the rotating piece 7 is formed on the upper surface of the guide body 20 at a position near the intersecting direction surface 22c of the guide surface 22 from the tangential surface 22a and the curved surface 22b to the opposite side surface thereof. Shaft 38 that is erected on the bottom of the slide groove 37
It is pivotally attached to the slide groove 37 and is rotatable around the support shaft 38 along the extending portion 1a while slidingly contacting the bottom surface of the slide groove 37. One end of the rotating piece 7 extends from the support shaft 38 into the slide groove 37 toward the tangential surface 22a of the guide surface 22, and a substantially triangular plate-shaped pushing piece 39 is provided at the one end of the support shaft 40. Is pivoted through. The tip of the pushing piece 39 is located at a position between the tangential surface 22a of the guide surface 22 and the curved surface 22b.
Are engaged with the position of the cut groove 12x between the pair of the fall prevention members 2x, 2y adjacent to each other. Further, the pushing piece 39 is
It is locked to the side surface of one end of the rotating piece 7 via a locking piece 41,
In this state, the tip end of the extending portion 1a can be swung only in the counterclockwise direction around the support shaft 40 in the position shown in FIG. A coil spring 42 whose both ends are locked to the pushing piece 39 and one end of the rotating piece 7 is wound around the support shaft 40 of the pushing piece 39. The coil spring 42 swings the pushing piece 39. At that time, the pushing piece 39 is urged to return to the original position.

The pushing piece 39 is rotatable around the support shaft 36 together with the turning piece 7 and is turned in the direction toward the tip of the extending portion 1a of the thin plate continuum 1 (counterclockwise direction in FIG. 2). At the time of being struck, it abuts on the peripheral edge portion of the fall prevention member 2y on the tip side of the extension portion 1a at the position of the cut groove 12x of the extension portion 1a, and along with the rotation, the fall prevention member 2y is interposed. The extending portion 1a is pushed to the tip side. In this case, the rotating piece 7 is rotated to a position where it abuts on the stopper pin 43 provided upright on the bottom surface of the slide groove 37, and the stopper pin 43 has the extended portion 1a falling off to the tip side thereof. It is provided at a position where it comes into contact with the side portion of the rotating piece 7 when moved by the distance between the prevention members 2.

As shown in FIGS. 1 and 2, the connecting means 8 has a long hole 44 formed in a portion of the push rod 6 which is inserted into the groove 33 from the upper surface to the lower surface, and the inside of the long hole 44. The tension spring 45 is housed in the above, and a pin 46 is provided upright on the other end of the rotating piece 7.

The long hole 44 extends in the longitudinal direction of the push rod 6, and the long hole 44 is located inside the push rod 6 at a position near the tip end portion of the push rod 6.
A support pin 47 is installed in the width direction of 44.

The pin 46 of the rotating piece 7 is erected from the other end of the rotating piece 7 toward the elongated hole 44, and from the bottom surface of the groove 33 toward the slide groove 37 of the guide body 20 as shown in the second illustration. It projects through the through hole 48 formed in the top plate 21 into the long hole 44.

The tension spring 45 has the support pin 47 at both ends in the long hole 44.
And the pin 46, which connects the rotating piece 7 and the push rod 6. And tension spring 45
1 is in a compressed state where the elastic force is not generated at the positions shown by the solid lines in FIGS. 1 and 2.

When the push rod 6 is pushed into the groove portion 33, the connecting means 8 pulls the pin 46 of the turning piece 7 in the pushing direction of the push rod 6 via the tension spring 45, so that the turning piece 7 is pushed. In conjunction with the push-in of the push rod 6, the first
It rotates in the counterclockwise direction in the drawings and FIG. In this case, after the turning piece 7 comes into contact with the stopper pin 43 and becomes unrotatable, the extension of the tension spring 45 enables the push rod 6 to be further pushed.

Next, the operation of the tool for mounting the drop-off prevention member having such a configuration will be described.

In FIG. 1, when the screw A indicated by imaginary line is inserted into the mounting hole b of the assembly component B and the respective fall prevention members 2 are wound around the screw A, first the assembly component B is gripped. Abutting against the pressing portion 35 of the push rod 6, and in this state, the assembly part B
By pushing the pushing portion 35 toward the case body 4, the push rod 6 is pushed into the groove portion 33.

At this time, the push rod 6 moves along the groove 33 from the front surface side to the back surface side of the extending portion 1a of the thin plate continuous body 1, and the rotating piece 7 is moved as described above. As described above, it is rotated counterclockwise together with the pushing piece 39 around the support shaft 38 via the connecting means 8, and the pushing piece 39 is further rotated at the position of the cut groove 12x of the extending portion 1a. The fall prevention member 2 is in contact with the fall prevention member 2y on the front end side of the extension portion 1a.
The extending portion 1a is pressed toward the tip side thereof via y, whereby the extending portion 1a is guided by the guide groove 5a of the guide portion 5,
It is pushed toward the stopper 25 while being guided by 5b and is pulled out from the reel body 3.

In this case, in FIG. 5, the rotating piece 7 rotates until it comes into contact with the stopper pin 43, while the tip of the extending portion 1a moves from the positions of the cut grooves 28 and 29 of the guide body 20 and the top plate 21. The fall prevention members 2 are moved by the intervals, and at the same time when the turning of the turning piece 7 is completed, the tip of the extending portion 1a comes into contact with the stopper 25 and the extending portion 1a also stops its movement. And at the time of the stop,
The back surface of the fall prevention member 2s at the tip of the extending portion 1a slidably contacts the sliding contact portion 26 at a position around the fitting insertion hole 10, and the fitting insertion hole 10 serves as an insertion hole 27 of the sliding contact portion 26. The connecting portion 11 located concentrically and between the fall prevention member 2s and the fall prevention member 2 adjacent thereto is stopped at the position of the cut groove 28 of the guide body 20.

After that, the push rod 6 is further pushed into the groove portion 33 by the extension of the tension spring 45 of the connecting means 8 regardless of the stop of the rotating piece 7, and the push rod 6 is pushed.
And the pressing portion 35 thereof are housed in the groove portion 33 and the concave portion 36, respectively.

At this time, as the push rod 6 is pushed in, its pressing portion 35 abuts on the rocking blade 9 and pushes the rocking blade 9 in the pushing direction of the push rod 6, whereby the rocking blade 9 is pushed. 9 swings around the support shaft 31 from the front surface side to the rear surface side of the extending portion 1a.

In this case, in FIG. 6, the blade tip portion of the swing blade 9 reaches a position where it is housed in the cut grooves 28, 29 of the guide body 20 and the top plate 21,
The extending portion 1a at the position of the cut groove 28 is swung from the front surface side to the rear surface side toward the connecting portion 11 so that the connecting portion 11 is cut and the tip portion of the extending portion 1a falls off. Prevention member 2s
Is separated from the extending portion 1a. The pushing of the push rod 6 is stopped when the push rod 6 and its pressing portion 35 are housed in the groove portion 33 and the recess portion 36, respectively. At this time, the assembly part B is the side surface portion of the case body 4. Abutted against.

Then, until the assembly part B is kept in contact with the pressing portion 35 of the push rod 6 and the case body 4 in the pushed-in state, the attachment hole b thereof is concentric with the drop-out preventing member 2s separated from the extending portion 1a. Then, as shown in FIG. 7, the screw A is gripped and the tip of the screw A is inserted from the mounting hole b through the fitting insertion hole 10 of the drop-preventing member 2s into the insertion hole 27 of the sliding contact portion 26.
And the fall prevention member 2s is fitted into the screw A. After that, by moving the assembly component B in the direction in which the screw A is pulled out from the insertion hole 27 of the sliding contact portion 26 and detached from the case body 4, the fall prevention member 2s is moved to the guide portion. While being bent from the guide grooves 5a and 5b of No. 5, it is taken out to the outside of the case body 4 together with the screw A, whereby the attachment work of the fall prevention member 2s is completed.

On the other hand, when the assembly component B is detached from the case body 4, the push rod 6 is moved in the opposite direction by the urging force of the compression spring 34 and returns to the original position. And
At the time of the return, first, contrary to the above, the swing blade 9 is returned to the original position by the urging force of the coil spring 32, and subsequently, the rotating piece 7 is operated by the operation of the connecting means 8 opposite to the above. Return to original position. In this case, in FIG. 6, the pushing piece 39 of the turning piece 7 is shown.
Swings counterclockwise around the support shaft 40 to disengage the extended portion 1a of the thin plate continuum 1 from the cut groove 12x of the extended portion 1a without pushing the extended portion 1a in the opposite direction. In this state, it is returned to the original position together with the turning piece 7. Then, in the original position of the rotating piece 7, the pushing piece 39 is returned to the initial state by the urging force of the coil spring 42, and the tip end portion thereof extends.
It is engaged with the kerf 12 next to a.

As described above, according to the tool for mounting the fall-prevention member, the work of inserting the fall-prevention member 2 into the tip portion of the screw A that is inserted into the mounting hole b of the assembly component B is performed. It is possible to easily carry out the work without gripping and to repeat such work.

In the above work, the work of pushing the push rod 6 into the groove 33 to separate the fall prevention member 2s at the tip of the extension 1a of the thin plate continuum 1 from the extension 1a is the same as the assembly component B. It is also possible to directly carry out the manual work without depending on it, or after releasing the push-in of the push rod 6 and returning it to the original position, the assembly component B is brought into contact with the case body 4 and attached to the screw A. Although it is possible to perform a work of inserting the fall prevention member 2s, by pushing the push rod 6 by the assembly component B as in the present embodiment, the fall prevention member 2s of the tip end portion of the extension portion 1a. Work for separating the extension part 1a from the extension part 1a, and the assembly part B is brought into contact with the case body 4 so that the screw A
It is possible to continuously and more efficiently perform the work of inserting the fall prevention member 2s.

Next, another example of the tool for mounting the fall prevention member of the present invention will be described with reference to FIG. FIG. 8 is a perspective view of the tool.

The mounting tool for the fall-out prevention member has the same basic configuration as the above-described mounting tool, and the gripping portion 49 is arranged substantially in the pushing direction of the moving member 6 without providing the clamp 17 from the base 13. The groove extends from the moving member 6 in a direction orthogonal to each other.
The trigger 51 is extended to a position in the vicinity of the gripping portion 49 via a second groove portion 50 formed in the top plate 21 so as to communicate with the 33.

In the mounting tool for such a fall prevention member, the push rod 6 is pushed into the groove 33 by gripping the grip portion 49 and pulling the trigger 51 toward the grip portion 49 side, and the thin plate is used in the same manner as the mounting tool described above. The fall prevention member 2s at the tip of the extension 1a of the continuum 1 is separated from the extension 1a. Since this mounting tool can grasp the gripping portion 49 and move it arbitrarily, for example, when the assembly component B is a heavy object, it is inserted into the mounting hole b of the assembly component B. When attaching the fall prevention member 2 to the screw A,
The mounting tool is moved toward the mounting part B while the mounting part B is mounted on a work table or the like, and the case body 4 is moved.
By bringing the assembling component B into contact with the mounting part B, the work of mounting the drop-off preventing member 2 can be easily performed as in the case of the mounting tool described above, and the work can be repeated.

(Effect) As is apparent from the above description, according to the tool for mounting the fall prevention member in the screw assembly part of the present invention, a thin plate continuous body formed by integrally connecting a plurality of fall prevention members in a row at equal intervals. While winding one end of the reel to hold it,
The extending portion of the thin plate continuous body movably extended from the reel body is guided in the longitudinal direction by a guide portion provided on the case body, and the case body extends from the front surface side to the back surface side of the extension book of the thin plate continuous body. By pushing a moving member movably provided in the case body into the case body, the extending portion is pushed by the gap between the caps from the rotating piece that is interlocked with the case body through the pushing piece. After that, the swinging blade is swung through the pressing portion of the moving member to separate the fall-prevention member at the tip of the extending portion from the extending portion, and then the mounting part is attached to the mounting hole thereof. After abutting against the case body at a position concentric with the insertion preventing hole of the captive prevention member, the tip end of the screw is attached to the back surface of the mounting member through the fitting hole of the captive member through the fitting hole. Inserting the slide-prevention member into the insertion hole of the sliding contact part allows the fall prevention member to fit into the screw. Since the mounting operation can be easily performed without gripping the fall-prevention members one by one, the moving member and the swing blade are returned to their original positions by the biasing means. By doing so, the above-described work of mounting the drop-off preventing member can be repeatedly and continuously performed.

Then, when the base provided with the reel body and the case body is fixed to the stationary machine base via the clamp, the moving member is pushed into the case body by an assembly component, so that the continuous thin plate body is extended by the pushing. The work of separating the drop-out preventing member at the tip of the projecting part from the extending part, and then attaching the assembly part to the case body, and attaching the drop-out preventing member to the screw inserted into the mounting hole of the assembly part. The work of mounting can be continuously and efficiently performed.

Further, when a grip portion is provided on the base and the moving member is pushed into the case body by the operation of the trigger extended from the moving member to separate the fall prevention member from the extending portion, the fall prevention member Since the mounting tool can be moved at will, for example, when the assembly component is a heavy object, the mounting tool can be moved toward the assembly component without moving it, and the same as above. Further, the fall prevention member can be easily attached to the screw inserted into the mounting hole of the assembly component.

[Brief description of drawings]

FIG. 1 is a perspective view of an example of a tool for mounting a fall prevention member of the present invention, FIG. 2 is an exploded perspective view of the essential parts thereof, FIG. 3 is a plan view of a thin plate continuum of the tool, and FIG. IV-IV sectional view of FIG. 1, FIGS. 5 and 6 are operation explanatory views for explaining the operation of the tool, and FIG. 7 is a sectional view taken along line VII-VII of FIG.
FIG. 6 is a perspective view of another example of the tool for mounting the fall prevention member of the present invention. DESCRIPTION OF SYMBOLS 1 ... Continuous thin plate body, 1a ... Extension part 2 ... Fall-off prevention member, 3 ... Reel body 4 ... Case body, 5 ... Guide part 6 ... Moving member, 7 ... Rotating piece 8 ... Coupling means, 9 ... Oscillating blade 10 ... Fitting hole of the fall prevention member 11 ... Connection part of the continuous thin plate 12 ... Groove of the continuous thin plate 13 ... Base, 17 ... Clamp 18 ... Fixing machine base, 26 ... Sliding contact part 27 ... Sliding contact part Insertion hole, 32 ... Oscillating blade biasing means 34 ... Moving member biasing means 35 ... Pressing part, 38 ... Rotating piece support shaft 39 ... Pushing piece, 49 ... Gripping part 51 ... Trigger, A ... Screw B … Assembled parts, b… Mounting holes

Claims (3)

[Scope of utility model registration request] 1. A tool for mounting a fall-preventing member made of a flexible thin plate material on a screw inserted into an assembling hole formed in an assembling component so as to prevent the assembling component from falling off. And a thin plate continuous body formed by integrally connecting a plurality of drop-off prevention members having the same shape and having insertion holes that can be inserted into the distal ends of the screws in a row at equal intervals through a kerf. A reel body that is pivotally supported by a base and winds and holds one end of the thin plate continuum; a case body that is fixed to the base adjacent to the reel body; and a case body that is provided on the case body. A guide part for guiding the extending part of the thin plate continuous body movably extended from the reel body in its longitudinal direction, and a front surface side to a back surface of the extending part in a direction intersecting with the extending part of the thin plate continuous body. Is provided on the case body so as to be movable toward the side, and one end portion is provided from the case body to the surface side of the extending portion. The protruding moving member, the urging means of the moving member which is provided in the case body, and which restores the moving member when the moving member is pushed into the case body, and the supporting shaft housed in the case body, A rotating piece pivotally supported along the extending portion of the thin plate continuum, and one end portion of which extends from the support shaft toward the position of the cut groove of the extending portion, and one end portion of the rotating piece. Is rotatably provided on the extension part and engages with the cut groove of the extension part,
A pushing piece that moves the extending portion to the tip side only when the rotating piece is turned in a direction toward the tip side of the extending portion;
The other end of the turning piece is connected to the moving member, and when the moving member is pushed into the case body, the turning piece is turned to extend the continuous thin plate body through the pushing piece. Connecting means for moving the portion toward the tip side thereof by the distance between the respective drop-preventing members, and provided on the case body so as to be swingable from the front surface side to the back surface side of the extension portion at the tip position of the extension portion. Provided on one end portion of the moving member projecting from the case body, and a thin plate provided with a swinging blade and a biasing means for the swinging blade that restores the swinging blade when the swinging blade is swung. After the extending portion of the continuous body is moved to the tip end side by the distance between the respective fall prevention members, when the moving member is further pushed into the case body, it abuts on the rocking blade and extends the rocking blade. Swing that swings from the front side to the back side of the projecting part to disconnect the connecting part between adjacent fall prevention members Of the pressing member and a slide member that is provided inside the case body and is in sliding contact with the back surface of the fall-preventing member at the tip of the extending portion that is cut by the swing blade at a position around the fitting insertion hole. A contact part and an insert which is formed in the sliding contact part so that the tip of the screw can be inserted therein, and which is positioned concentrically with the insertion hole of the falling prevention member when the falling prevention member is slidably contacted with the sliding contact part. A tool for mounting a fall-prevention member in a screw assembly part, characterized by comprising a hole. 2. A tool for mounting a fall prevention member in a screw assembly part according to claim 1, wherein a clamp for fixing the base to a stationary base is provided on the base. 3. A holding part is provided on the base, and a trigger is provided so as to be movable integrally with the moving member from the moving member to a position in the vicinity of the holding part. Tool for mounting the fall prevention member on the screw assembly parts of.