JP2012117221A - Screwing jig - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve attachment workability by maintaining an abutted state even when a hand is released after making a fixing component abut on an attaching part.SOLUTION: A screwing jig 1 holds a trigger (fixing component) 9 when making the trigger 9 abut on and screwed into an attaching surface 3c positioned at the inner back part of a guide rail 3 for a sliding door installed in the state of directing a rail groove 3a downwards at the door frame upper part of the sliding door. The screwing jig 1 includes: a component holding part 5 which is set to such a size that it can be inserted to the rail groove 3a and detachably holds the trigger 9; side wall surfaces 31 and 32 as clamping parts which are disposed on the lower side of the component holding part 5 and are elastically deformable in a width direction C of the rail groove 3a; and projected lines 35 formed on the side wall surfaces 31 and 32. The clamping parts are configured in a width dimension W6 wider than (>W2) a width dimension W2 of the rail groove 3a, arranged inside the rail groove in the state of making the trigger 9 held by the component holding part 5 abut on the attaching surface 3c, and thus brought into press contact with the edge part of the rail groove 3a by elastic restoration force.

Description

  The present invention relates to a screw-fixing jig that can temporarily fix a component at a screw fixing position when various components are screw-fixed in a narrow place or a recessed portion where a finger cannot enter.

  As a component to which the present invention is applied, a trigger of a slide assist device that applies a sliding assist force in a closing direction or an opening direction to a sliding door that opens and closes an opening of a building can be cited.

  The slide assist device is generally used as an automatic closing device for a sliding door. In principle, the spring force of a pulling spring provided between the sliding door and the door frame is applied to the sliding door as a sliding assist force in the closing direction. (For example, refer to Patent Documents 1 and 2).

  The configuration will be briefly described with reference to FIGS. In the illustrated example, the sliding door 102 slides to the right in the door frame 101 to open the opening, and slides to the left to close the opening.

  A guide rail 103 is horizontally attached to an upper horizontal portion of the door frame 101, and a guide roller 104 that rolls within the guide rail 103 is supported on an upper portion of the sliding door 102. In the guide rail 103, in addition to the guide roller 104, a cylinder 105 having a built-in pull spring and an air supply / exhaust mechanism, and a frame in which one of the inner member and the outer member slides relative to the other is an internal / external double structure. The frame 106 is provided with a spring force transmission mechanism 107 that transmits the spring force of the pulling spring to the sliding door 102.

  The spring force transmission mechanism 107 includes a slide member 108 attached to the free end side of the cylinder 105 so as to be rotatable about a horizontal axis, and a trigger 109 on the door frame 101 side.

  The slide member 108 is provided with a wide protrusion 110 protruding upward, and the protrusion 110 is engaged with the convex portion 109a of the trigger 109 as shown in FIG. The spring force of the pulling spring is received by the trigger 109, and the spring force is applied to the sliding door 102 as a closing force (sliding assist force) through the frame body 106 in the remaining stroke. Thereby, the sliding door 102 slides automatically to a closed position.

  The trigger 109 used in such a slide assist device is screwed to the lower surface of the upper horizontal portion of the door frame 101 by the mounting screw 111 through the trigger 109 itself and the mounting holes 112 and 113 of the guide rail 103.

  At the time of this screwing, since the rail groove 103a of the guide rail 103 is narrow and fingers do not enter (see FIG. 6), the trigger 109 and the mounting screw 111 cannot be directly held in the screwed position by hand, and the mounting treatment is not possible. Tools may be used. As the jig, one shown in FIGS. 7 to 9 has been proposed (see, for example, Patent Document 3).

  The proposed jig A is provided with a grip portion 114 to be gripped with fingers on the proximal end side, and a recess 115 for holding a trigger 109 as a component on the distal end side, and a screw-through hole 117 through which the mounting screw 111 is inserted. In this configuration, it is provided penetrating in a tunnel shape from the proximal end side to the distal end side in a state communicating with the mounting hole 112 of the trigger 109 held in the recess 115. In this state, the convex portion 109a of the trigger 109 is attached to the concave portion 115.

  According to this jig A, the gripping part 114 is gripped by hand with the trigger 109 held in the recess 115, and the trigger 109 is pressed together with the jig A against the mounting surface (the upper inner back surface of the guide rail 103) for positioning. In this state, the trigger 109 can be mounted on the mounting surface by inserting the mounting screw 111 into the screw-through hole 117 from the base end side and screwing it in. In other words, even in narrow spaces or deep spaces where fingers cannot enter, as long as there is an opening size that allows jigs to be inserted, parts can be accurately positioned at any location, and the screw threading holes can be used to prevent wobbling and tilting of mounting screws. Can be screwed efficiently.

Japanese Utility Model Publication No. 57-77570 JP 2003-138828 A JP 2000-165027 A

  However, in the case of using the proposed jig, it is necessary to hold the holding part of the jig by hand and attach the part to the mounting surface with a screw, so that both hands cannot be used freely, and there is room for improvement in mounting workability. Was left.

  The present invention has been made in view of such circumstances, and can maintain the contact state even if the hand is released after the fixed part contacts the mounting surface, thereby improving the mounting workability. An object of the present invention is to provide a screw fixing jig.

  The screwing jig according to the present invention has a fixing part abutting on a mounting surface located in an inner back portion of a sliding door guide rail installed in a state where a rail groove is directed downward in an upper part of a sliding door door frame. A screwing jig for holding the fixed component when screwing, a component holding portion that is set to a size that can be inserted into the rail groove and holds the fixed component in a detachable manner. A sandwiching portion disposed below the component holding portion and elastically deformable in the width direction of the rail groove, the sandwiching portion being configured to be wider than the width of the rail groove. The fixed part held by the holding part is disposed in the rail groove in a state of being in contact with the mounting surface of the guide rail, and is pressed against the edge of the rail groove by an elastic recovery force. And In the case of this invention, when the fixed part is held in the part holding part and the fixed part is brought into contact with the mounting surface of the guide rail, the sandwiching part wider than the width of the rail groove is sandwiched between the rail grooves. Because the sandwiched portion that can be elastically deformed by the force received from both edges of the rail groove is elastically deformed inward (to the center of the width of the rail groove) and is pressed against the edge of the rail groove by its elastic recovery force After that, even if the hand is released from the jig, the fixed part is kept in contact with the mounting surface of the guide rail, so that both hands can be used freely, so that the mounting workability can be improved.

  In this configuration, the sandwiching portion extends at least from both ends in the width direction of the rail groove of the component holding portion, and at least a pair of opposing tongue-shaped piece portions whose mutual interval is set narrower than the rail groove width. And a protrusion that protrudes outward from each tongue-shaped piece portion, the distance between the top surfaces being set wider than the rail groove width, and the protrusion extends in the vertical direction, and the protrusion It can be set as the structure which has a taper part formed so that it may become thin as it goes upwards at least at the upper end part. In this configuration, when the component holding portion is inserted into the inside from the rail groove, the protrusion provided on the tongue-shaped piece portion extends in a direction matching the insertion direction, and the taper portion is used for pushing the jig. Accordingly, the tongue-shaped piece portion is elastically deformed, so that the holding portion can be elastically deformed easily.

  In this configuration, the protrusion is provided with a drop-off prevention portion having a constant thickness on the other end side of the taper portion, and the fixed component held by the component holding portion abuts against the mounting surface of the guide rail. In such a state, it is preferable that the drop-off preventing portion is disposed in the rail groove. In this configuration, when only the taper portion is formed on the ridge, if the force received from the edge of the rail groove becomes too large, the jig may be pushed out of the rail groove and fall off. A certain drop-off prevention part reliably prevents this, and the state in which the fixed component is in contact with the mounting surface of the guide rail is stably maintained.

  In this configuration, the component holding portion includes a placement portion on which the fixing component is placed in a state where a screw mounting hole provided in advance on the fixing component protrudes, and a convex portion provided in advance on the fixing component. , A recessed portion that is detachably held in a state where the fixed component is placed on the placement portion, and a threading area below the screw mounting hole that is provided on the side of the placement portion and protrudes from the placement portion. And a screw guide that surrounds at least a part of the periphery. In this configuration, when the convex portion of the fixed component is held in the concave portion of the component holding portion, the fixed component is placed on the placement portion of the component holding portion with the screw mounting hole protruding, and the placement portion Since at least a part of the periphery of the threading area below the protruding screw mounting hole is surrounded by the screw guide portion, the screw can be securely attached to the screw mounting hole via the screw guide portion.

  In the case of the present invention, when the fixed part is held on the part holding part and the fixed part is brought into contact with the mounting surface of the guide rail, the sandwiched part is sandwiched between the rail grooves and the force received from both edges thereof Elastically deformed toward the direction and pressed against the edge of the rail groove by its elastic recovery force, so that after that, the fixed component is kept in contact with the mounting surface of the guide rail even if the hand is released from the jig. As a result, both hands can be used freely, so that the mounting workability can be improved.

It is a perspective view which shows the jig | tool etc. which concern on one Embodiment of this invention. It is the perspective view which looked at the state which attached the fixed component to the jig | tool from the downward diagonal direction. It is a bottom view which shows the state by which the clamping part of the jig | tool holding the fixing member was clamped by the rail groove | channel of a guide rail. It is a side view (sectional view) which shows the state which inserts a jig | tool in a guide rail. It is a front view for demonstrating the structure and effect | action of the conventional conventional slide assist apparatus. FIG. 6 is an exploded perspective view of FIG. 5. It is a perspective view which shows the conventional proposal jig | tool etc. FIG. It is sectional drawing of the conventional proposal jig | tool. It is sectional drawing for demonstrating the state which screws the trigger of a slide assist apparatus to the upper lower surface of a door frame using the conventional proposal jig | tool.

  An embodiment of the present invention will be described with reference to FIGS.

  Here, a case where the trigger 9 of the slide assist device is screwed as a fixed component to the upper inner side of the guide rail 3 attached to the lower surface of the upper portion of the door frame with the rail groove 3a facing downward is taken as an example.

  The guide rail 3 is made of a metal such as aluminum formed by extrusion molding or the like, and is formed in a substantially rectangular cross section having four side walls. One of the side walls (the lower side wall in the illustrated example) lacks a central portion in the width direction to form a rail groove 3a, and both edges of the rail groove 3a face each other in the horizontal direction. A concave groove 3b that is recessed upward is formed along the axial direction on the inner surface of the other side wall (the upper side wall in the illustrated example), and the axial direction of the bottom surface of the concave groove 3b is The predetermined location is the mounting surface 3c of the trigger 9. The mounting surface 3c is located in the inner depth of the guide rail 3 on the opposite side to the rail groove 3a, and two screw mounting holes 13a and 13b are formed in the mounting surface 3c.

  The trigger 9 is formed by processing a metal plate, has a width dimension that passes through the rail groove 3a and enters the concave groove 3b, and a convex portion 9a that protrudes downward is formed at the center in the longitudinal direction. Yes. Screw mounting holes 12a and 12b are formed on both sides of the convex portion 9a, and a pair of widthwise hanging pieces 9b projecting downward is provided at the end where one screw mounting hole 12a is formed. It has been. The distance from one end where the hanging piece 9b is provided to the convex portion 9a is set longer than the distance from the convex portion 9a to the other end. The trigger 9 is attached in a state where a surface (that is, an upper surface) opposite to the protruding direction of the convex portion 9a is in contact with the mounting surface 3c. The spacing between the screw mounting holes 12a and 12b matches the spacing between the screw mounting holes 13a and 13b.

  The screwing jig 1 of the present embodiment is an integrally molded product formed of plastic that can be elastically deformed, and has a cylindrical part 2 that has a hollow inside and has four side wall surfaces, and the cylindrical part. 2 and the component holding part 5 provided so that the opening of one end side (upper side) of 2 may be plugged up, and the other end side (lower side) of the cylindrical part 2 is opening.

  The component holding part 5 is provided on the opposite side to the cylindrical part 2, and is closer to one end (right end in FIG. 1) in the longitudinal direction of the mounting part 20 formed in a substantially rectangular planar shape. And a screw guide portion 22 formed on the side of one end side of the mounting portion 20.

  The concave portion 21 has walls on both sides in the width direction C opened, and a wall 21a on one end side on the screw guide portion 22 side is formed thin. A convex portion 9 a protruding downward provided in advance in the trigger 9 is inserted into the concave portion 21, whereby the trigger 9 is held by the component holding portion 5 in a state of being placed on the placement portion 20. . This holding is performed so that the screw mounting hole 12a on the side close to the hanging piece 9b out of the two screw mounting holes 12a, 12b provided in advance in the trigger 9 protrudes from the mounting portion 20.

  At the other end of the mounting portion 20 opposite to the screw guide portion 22, a protrusion 23 is provided that protrudes to the opposite side of the tubular portion 2. The protrusion 23 is set to have the same height as the thickness of the trigger 9 so that the entire upper surface of the trigger 9 is brought into contact with the mounting surface 3c even if the length of the trigger 9 is short. That is, in the configuration in which the portion opposite to the hanging piece 9b (the portion provided with the screw mounting hole 12b) across the convex portion 9a of the trigger 9 is omitted or shortened as shown in FIG. Even if it exists, the whole area | region of the upper surface of the trigger 9 will contact | abut to the attachment surface 3c by making the protrusion 23 contact | abut to the attachment surface 3c.

  A groove 24 is provided between the concave portion 21 and the screw guide portion 22, and the convex portion 9a is held in the concave portion 21 in a state where the wall 21a is bent toward the screw guide portion 22 side.

  A screw guide portion 22 is provided below the screw mounting hole 12a protruding from the placement portion 20 of the trigger 9 so as to surround a part of the periphery of the screw passage region B. In this illustrated example, the screw guide portion 22 is formed in an arc shape whose inner surface 22a surrounds about half of the periphery of the threading region B. Further, the radius of curvature of the inner surface 22a is formed to be larger than the radius of the head 11b of the screw 11 described later. As a result, the screw mounting hole 12a of the trigger 9 placed on the mounting portion 20 is visually confirmed, and the screw mounting hole 12a and the screw mounting hole 13a are in contact with the trigger 9 in contact with the mounting surface 3c. The alignment state can be visually recognized.

  The tubular portion 2 is formed in a hollow rectangular shape and has four side wall surfaces 31, 32, 33, 34. Among them, long protrusions 35 extending along the vertical direction (the axial direction of the cylindrical portion 2) are formed on the wide side wall surfaces 31 and 32 constituting the pair of opposing tongue-shaped piece portions, and the portion near the side wall surface 33. A total of four are formed, one at each site near the side wall surface 34. Here, the side wall surfaces 31 and 32 and the protrusions 35 formed on the respective side wall surfaces 31 and 32 constitute a sandwiched portion that can be elastically deformed in the width direction C of the rail groove 3a. The number of the protrusions 35 may be one on each of the wide side wall surfaces 31 and 32, or three or more. Further, the narrow side wall surfaces 33 and 34 may be omitted.

  Each protrusion 35 has a tapered portion 36 provided on the component holding portion 5 side (upper side) and a drop-off preventing portion 37 provided on the lower side of the tapered portion 36. The tapered portion 36 is formed in a wedge shape that is gently inclined with the upper side being thin, and one drop-off preventing portion 37 is formed with a constant thickness. The tapered portion 36 does not need to have a constant inclination, and may have a shape in which the inclination is partially changed as long as the taper portion 36 becomes thinner as it goes upward.

  The component holding portion 5 is inserted from the outside of the guide rail 3 toward the inside so as to pass through the rail groove 3a, and the mounting portion 20 side of the component holding portion 5 enters the concave groove 3b together with the trigger 9, and the trigger 9 is in contact with the mounting surface 3c, and the clamping part is formed to be clamped in the rail groove 3a. Specifically, it is formed as follows.

  That is, as shown in FIG. 4, the component holding portion 5 is inserted into the rail groove 3a and the two drop-off preventing portions 37 formed in the width direction C are sandwiched between the rail grooves 3a. 5 is shorter than the width dimension W2 of the rail groove 3a, and the outer surface (top surface) of the drop-off preventing portion 37 of the protrusion 35 formed on the side wall surface 31 and the protrusion 35 formed on the side wall surface 32. The width dimension W6 between the outer surface (top surface) of the drop-off prevention part 37 is designed to be longer than the width dimension W2 of the rail groove 3a. Further, the width dimension W5 of the concave groove 3b is designed to be shorter than the width dimension W2 of the rail groove 3a in consideration of easy passage of the trigger 9 abutted against the mounting surface 3c. In addition, the trigger 9 is brought into contact with the mounting surface 3c and the width W3 of the trigger 9 (see FIG. 1) is set so that the upper portion 5a of the component holding portion 5 enters the concave groove 3b to enable the contact. The width dimension W4 of the upper part 5a is designed to be shorter than the width dimension W5 of the concave groove 3b. Therefore, in this illustrated example, the upper part 5a of the component holding part 5 is formed so as to be narrower than the lower part by notching both ends in the width direction C over the entire length in the longitudinal direction.

  The screwing jig 1 according to the present embodiment configured as described above is used as follows.

  First, the convex portion 9 a of the trigger 9 is inserted into the concave portion 21 of the component holding portion 5, and the trigger 9 is placed on the placement portion 20. At this time, one screw mounting hole 12a protrudes from the placement portion 20.

  Next, the component holding portion 5 is inserted into the guide rail 3 from the rail groove 3a with the trigger 9 facing upward. At the time of the insertion, the width of the upper end of the taper portion 36 is equal to W1 and the width of the lower end is equal to W6. Therefore, the taper portion 36 causes the side walls 31 and 32 to be greatly inward as the jig 1 is pushed. Therefore, the sandwiching portion can be easily elastically deformed. Further, the taper portion 36 suppresses the protrusion 35 from being caught on the edge of the rail groove 3a when the guide rail 3 is inserted inward.

  Subsequently, as the jig 1 is inserted, the trigger 9 and the upper part 5a of the component holding part 5 are placed inside the concave groove 3b, and the trigger 9 is brought into contact with the mounting surface 3c. At this time, as described above, the outer surface (top surface) of the drop-off prevention portion 37 of the protrusion 35 formed on the side wall surface 31 and the outer surface (top surface) of the protrusion prevention portion 37 of the protrusion 35 formed on the side wall surface 32. Since the width dimension W6 between them is longer than the width dimension W2 of the rail groove 3a, the sandwiching portions (that is, the side wall surfaces 31, 32 and the protrusions 35 formed on the side wall surfaces 31, 32) are formed in the rail groove 3a. Since it is sandwiched and elastically deformed inward by the force received from both edges thereof, it is pressed against the edge of the rail groove 3a by its elastic recovery force. Even if the hand is released from the tool 1, the state where the trigger 9 is in contact with the mounting surface 3c is maintained. Thereby, even if the trigger 9 is displaced with respect to the mounting surface 3c, it is not necessary to support the jig 1 by hand, so that it is possible to easily perform fine adjustment to eliminate the displacement. Further, since the upper portion 5a is in the concave groove 3b in the state in which the jig 1 is not dropped out, the upper and lower portions of the jig 1 are supported by the guide rail 3 and the wobbling of the jig 1 is prevented. Further, when the trigger 9 is brought into contact with the mounting surface 3 c, the screw mounting hole 12 a is made to coincide with the screw mounting hole 13 a provided in the guide rail 3. Along with this, the other screw mounting hole 12 b provided in the trigger 9 coincides with the screw mounting hole 13 b provided in the guide rail 3. However, the screw attachment holes 12b and 13b are hidden behind the jig 1 and cannot be seen in this state.

  Next, the screw 11 is screwed into the screw mounting holes 12a and 13a through the screw guide portion 22, and the trigger 9 is attached to the lower surface of the upper part of the door frame (not shown).

  Subsequently, the jig 1 is pulled out from the rail groove 3a. At this time, as described above, since the radius of curvature of the screw guide portion 22 is larger than the radius of the head 11b of the screw 11, it can be pulled out without any trouble.

  Next, the screw 11 is similarly screwed into the screw mounting holes 12b and 13b that appear when the jig 1 is pulled out, and the trigger 9 is securely fixed to the lower surface of the upper part of the door frame (not shown).

  Therefore, in the case of the present embodiment, when the trigger 9 is brought into contact with the mounting surface 3c as described above, the sandwiched portion is sandwiched between the edges of the rail groove 3a and is sandwiched by the force received from both edges of the rail groove 3a. Since the wearing part is elastically deformed inward and is pressed against both edges of the rail groove 3a by its elastic recovery force, this prevents the jig 1 from falling off, and then removes the hand from the jig 1. Since the state in which the trigger 9 is in contact with the mounting surface 3c is maintained, both hands can be used freely. For example, in addition to the fine adjustment for eliminating the above-described displacement, the screw 11 and the screwdriver Can be gripped by different hands, and the mounting workability can be improved.

  In the above-described embodiment, an example is given in which the trigger 9 is attached to the guide rail 3 whose attachment surface 3c is the bottom surface of the concave groove 3b, but the present invention is not limited to this. If it has a rail groove, it can be applied to a guide rail that does not have the concave groove 3b, and the mounting surface is not limited to a flat surface, and may be a curved surface, a bent surface, or the like.

  Further, the present invention is not limited to the trigger 9 but can be applied to various parts that are screwed to a place where a finger does not enter or the like, or not only when screwing upward but also when screwing sideways. it can.

  Further, in the above-described embodiment, the protrusion 35 is formed on the pair of opposing side wall surfaces (tongue-like piece portions) 31 and 32. However, the present invention is not limited to this, and the width of the side wall surfaces 31 and 32 is not limited thereto. You may shape | mold so that the whole direction direction may become a form similar to the protrusion 35. FIG. More specifically, a configuration in which ridges 35 are juxtaposed in the entire width direction of the side wall surfaces 31 and 32 with no gaps (the outer surface of the side wall surfaces 31 and 32 is omitted, and the outer surface of the ridge 35 is on the side The form which forms the outer surface of the wall surfaces 31 and 32) etc. may be sufficient.

  Furthermore, the present invention is not limited to the arcuate screw guide 22 but may be an annular one. However, a hole shape in which the screw head comes out is preferable.

DESCRIPTION OF SYMBOLS 1 Screwing jig | tool 3 Guide rail 3a Rail groove 3c Mounting surface 5 Component holding part 9 Trigger of a slide assist apparatus 9a Protruding part 20 Mounting part 21 Concave part 22 Screw guide part B Threading area 31, 32 Side wall surface (tongue shape) One part)
35 Projection 36 Tapered part 37 Fall-off prevention part

Claims (4)

The fixed part is held when the fixed part is brought into contact with the mounting surface located at the inner back of the sliding door guide rail installed with the rail groove facing downward at the upper part of the door frame of the sliding door. A screw fixing jig that
A component holding portion that is set to a size that can be inserted into the rail groove and that holds the fixed component in a removable manner;
It is disposed below the component holding portion, and includes a sandwiching portion that can be elastically deformed in the width direction of the rail groove,
The sandwiching portion is configured to be wider than the rail groove, and is disposed in the rail groove in a state where the fixed component held by the component holding portion is in contact with the mounting surface of the guide rail. A screwing jig, wherein the jig is pressed against the edge of the rail groove by an elastic recovery force. In the screwing jig according to claim 1,
The clamping portion includes at least a pair of opposing tongue-shaped piece portions extending downward from both end portions in the width direction of the rail groove of the component holding portion and having a mutual interval set narrower than the rail groove width, and each tongue Projecting outwardly of the strip-shaped piece, and having a ridge whose distance between the top surfaces is set wider than the rail groove width, the ridge extends in the vertical direction, and at least the upper end of the ridge And a taper part formed so as to become thinner as it goes upward. In the screwing jig according to claim 2,
The protrusion is provided with a drop-off prevention portion having a constant thickness on the other end side of the taper portion, and the fixed component held by the component holding portion is in contact with the mounting surface of the guide rail. The screwing jig is characterized in that the drop-off preventing portion is disposed in the rail groove. In the screwing jig according to any one of claims 1 to 3,
The component holding portion includes a mounting portion on which the fixing component is mounted in a state where a screw mounting hole provided in advance in the fixing component protrudes, and a convex portion provided in advance in the fixing component. At least around the threaded area below the screw mounting hole provided on the side of the mounting portion and protruding from the mounting portion. A screw fixing jig comprising a screw guide portion surrounding a part.

Images