JPH08193453A - Hinge - Google Patents

Abstract

PURPOSE: To increase strength, and enhance stability. CONSTITUTION: In a hinge where a single mandrel 4 is fitted to and installed on a lower cylindrical part arranged in a side edge lower part of a hinge blade 3 to be installed on one door frame and an upper cylindrical part arranged in a side edge upper part of a hinge blade 2 to be installed on the other door and both blades 2 and 3 are rotatably connected to each other around the mandrel 4 and one hinge blade 3 is installed in an installing part of the door frame through a metallic lateral directional position adjusting plate 24, a width directional central part of the adjusting plate 24 is bent in two stages in the direction different in the width direction of the hinge blade 3, and a step difference part 24A to generate a space on the width directional tip side of the blade 3 is formed on a surface opposed to the hinge blade 3 of the adjusting plate 24. A lateral directional position adjusting screw 25 is screw-fitted to the step difference surface 24A, and the hinge blade 3 is fixed to the adjusting plate 24 by fixing screws 26 and 27 so that an angle can be varied.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge for mounting a door on a frame (door frame, pillar, etc.) so that the door can be freely opened and closed.

[0002]

2. Description of the Related Art As this type of hinge, those exemplified in FIGS. 22 to 24 are known. This hinge 51 is provided on the lower tubular portion 53 (knuckle) provided on the lower side edge of one hinge blade 52 attached to the frame F side, and on the upper side edge of the other hinge blade 54 attached to the door D side. The upper cylindrical portion 55 (knuckle) is fitted with one core rod 56, and the lower cylindrical portion 53
A core rod 56 is fixed to the core rod 56, and the two blades 5 are attached around the core rod 56.
2, 54 are rotatably connected to each other.

An upper and lower vertical position adjusting screw hole 57 is provided at the lower end of the core rod 56 from the lower side, and is fitted on the lower tubular portion 53 so as to be vertically movable, and the screw hole 57 is utilized by a screw 58. The upper tubular portion 55 is attached to the lower tubular portion 53 via the vertical adjustment pipe 60 having the vertical interrupt 59 attached thereto.
The upper tubular portion 55 is fitted with a tubular tubular cap 61 having the same diameter as the pipe 60. Therefore, by rotating the screw 58, the pipe 60 moves up and down with respect to the lower tubular portion 53, and the vertical position of the door D can be adjusted.

Further, the hinge blade 52 is attached by a fixing screw 64 via a horizontal direction adjusting member 63 made of a thin metal plate having elasticity and having a U-shaped cross section, which is fitted and fixed in the engraving 62 provided on the door frame F. And the adjusting member 63
24 is bent and inclined with respect to the other 63B as shown in FIG. 24 by the left-right direction adjusting screw 65 inserted into one of the facing pieces 63A and screwed into the other 63B, and The position in the left-right direction is adjusted.

[0005]

By the way, in the above-mentioned prior art, the lateral position adjusting member 63 needs to be thin due to its elasticity, and therefore there is a problem in strength. Therefore, there is a problem that it becomes uncertain to hold the proper position after the adjustment. The present invention has been made in view of the above situation, and an object thereof is to eliminate anxiety about strength of the position adjusting member in the left-right direction and to secure an appropriate position after adjustment. It is in the provision of hinges.

[0006]

In order to achieve the above object, the present invention takes the following technical means. That is, the present invention, a lower tubular portion provided on the lower side edge of one of the hinge blades,
One core rod is fitted to the upper cylindrical portion provided on the upper side edge of the other hinge blade, and both blades are rotatably connected to each other around the core rod. A hinge in which a hinge blade is attached to a mounting portion such as a door frame or a pillar via a metal horizontal position adjusting plate, and a central portion in the width direction of the adjusting plate is arranged in different directions in the width direction of the hinge blade. A two-step bend is formed, and a step surface is formed on the surface of the adjusting plate facing the hinge blade, and a gap is formed on the tip end side in the width direction of the hinge blade, and a position adjusting screw in the left-right direction is screwed onto the step surface on the tip side. However, one of the hinge blades can be fixed to the adjustment plate by a fixing screw so that the angle can be changed.

Further, the present invention is characterized in that rotary tool fitting recesses are provided at both ends of the position adjusting screw.

[0008]

According to the present invention, when the door is attached to the door frame or the column by the hinge, one of the hinge blades is positioned by the flat surface end corner portion of the adjusting plate and the adjusting screw end (FIG. 16). (See (a)). Therefore, when the door is slightly displaced in the left-right direction with respect to the door frame, for example, when the door tip hits the door frame, loosen the fixing screws located above and below the adjustment screw a little and tighten the right-side fixing screw of the adjustment screw. After inserting, by tightening the upper and lower fixing screws again, the back surface of the hinge blade moves away from the adjusting screw end and approaches the flat surface of the adjusting plate, and in the minimum case, the state shown in Fig. 16 (b) is reached, and the core rod is the door frame. Move to the side together with the door, and the gap between the door tip and the door frame becomes appropriate.

If the gap between the door tip and the door frame is too wide and the latch does not strike, loosen the fixing screw on the right side of the adjusting screw and tighten the adjusting screw to bring its end face closer to the step surface. After making them flush with each other (maximum), tighten the upper and lower fixing screws and the right fixing screw to bring the front end of the back surface of the hinge blade closer to the step surface (abut at the maximum), as shown in Fig. 16 (c). In addition, the core rod moves to the door tip side together with the door, and the gap between the door tip and the door frame becomes proper.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 21 show an embodiment of the present invention, in which a hinge 1 is made of metal, and a pair of left and right hinge blades 2 and 3, a core rod 4, a vertical position adjusting pipe 5, an adjusting screw 6 and a cap. 7 and
It consists of cheese 8 and a left-right direction adjusting member 9.

The hinge blade 2 is for the door side, and an upper cylindrical portion (knuckle portion) 10 is provided at an upper portion of a side edge of the hinge blade 2, and the core rod 4 is relatively rotatable in the upper cylindrical portion 10 from above. It is inserted (see FIGS. 3 and 4). The blade 2 is provided with a plurality of mounting screw insertion holes 11 for the door. The hinge blade 3 is for a door frame, and as shown in FIGS. 3 and 4, a lower tubular portion (knuckle portion) 12 is provided at a lower portion of a side edge thereof, and an internal thread portion is provided at an inner lower portion of the lower tubular portion 12. 13 is provided, and the adjusting screw 6 is screwed into the female screw portion 13, and the lower tubular portion 1
The adjustment pipe 5, which is inserted in the upper portion 2 from above so as to be movable in the vertical direction (axial direction), is supported by the lower tubular portion 12 via the adjustment screw 6.

Further, the blade 3 is provided with a plurality of fixing screw insertion holes 14 for the adjusting member 9, and each of the holes 14 is cut to the leading edge of the blade 3 to form a fixing screw insertion notch 15. In addition, the peripheral edge of each hole 14 of the hinge blade surface 3A is chamfered into an oval shape to form a fixed screw countersunk head 16, and even if the screw is loosened when adjusting the horizontal direction described later, the hinge blade 3 Does not come out and the door does not fall.

Further, a vertical adjustment mark 17 and a front-back direction adjustment mark 18 are provided on the surface 3A of the blade 3, and by moving the blade 3 in the front-back direction with respect to the door frame, the door side latch can be opened. It can be properly fitted to the frame side strike, and the front and rear position of the door can be easily adjusted (see FIGS. 3 and 4). The core rod 4 is shown in FIG.
As shown in FIG. 4, a hemispherical head portion 4A is provided at the upper end, and the lower half is reduced in diameter to serve as an adjusting pipe mating shaft portion 4C so that the pipe 5 is fitted to be rotatable relative to each other. Has become. The length of the upper half shaft portion 4B is equal to or slightly shorter than the length of the upper tubular portion 10 of the hinge blade 2, and the lower half of the mating shaft portion 4C is shorter than the upper half shaft portion 4B. The size of the adjusting pipe 5 is located slightly above the lower end of the adjusting pipe 5 so that the lower end does not come into contact with the adjusting screw 6.

The adjusting pipe 5 is externally fitted to the loose fitting portion 4C of the core rod 4 and is vertically movably inserted into the lower cylindrical portion 12 of the hinge blade 3. In addition, the adjusting screw 6
As shown in FIG. 3, the lower cylindrical portion 1 has a columnar shape and is provided with a rotary tool fitting hole 19 such as a screwdriver on the lower end surface thereof.
A tool can be inserted into the 2 from the lower side so that it can be rotated.

The cap 7 is made of synthetic resin and is shown in FIG.
As shown in FIG. 4, it has a tubular shape with a step in the inner diameter, a core rod insertion hole 20 is provided at the upper end, an adjustment pipe fitting hole 21 is provided below the hole 20, and the lower part is The diameter is expanded to form the lower tubular portion fitting hole 22, and the gap formed between the upper and lower tubular portions 10 and 12 is closed by the cap 7 so as not to spoil the appearance.

As shown in FIGS. 3 and 4, the cheese 8 has a rivet shape with a round head 8A, is provided with a rotary tool insertion hole 23 penetrating in the axial direction, and the bottom of the hinge blade 3 is provided. It is adapted to be fitted to the lower end of the tubular portion 12. As shown in FIGS. 1 and 6 to 8, the left-right direction adjustment member 9 includes a rectangular adjustment plate 24 made of a metal plate in a front view, and a left-right position adjustment screw 25 screwed to the adjustment plate 24. It is composed of fixing screws 26 and 27 of a plurality of hinge blades 3 and a cover 28. As shown in FIGS. 9 to 11, the adjusting plate 24 is a thick metal plate that is not elastically deformed, and is bent in two stages in different directions in the width direction of the hinge blade 3 at the center portion in the width direction. 24A and the flat surface 24 in which a space S is formed on the front end side of the hinge blade 3 in the width direction on the surface facing the hinge blade 3.
B is formed, and a position adjusting screw hole 29 in the left-right direction is provided in the central portion of the step surface 24A on the tip side, and the blade is formed by the step side corner portion 24C of the flat surface 24B and the end surface 25A of the adjusting screw 25. The inclination angle of 3 can be changed.

Further, the adjusting plate 24 is provided with a fixing screw hole 30 in the central portion corresponding to the screw hole 29 and mounting screw insertion holes 31 to the door frame at both ends in the longitudinal direction,
Further, the stepped surface 24A is provided with mounting screw insertion holes 32 and fixing screw holes 33 on both sides in the longitudinal direction of the screw hole 29, respectively. A cover locking piece 34 that extends orthogonally to the side opposite to the hinge blade 3 is provided at the four edges of the adjusting plate 24, and the locking pieces 34 excluding both ends in the longitudinal direction project to the facing outer surface. The engagement protrusion 35 is provided in a shape.

The cover 28 is made of a synthetic resin and has a rectangular box shape and is flexible, and as shown in FIGS. 13 to 15, the adjusting plate 24 is fitted and housed inside. The adjustment plate 2 is formed on the top plate 28A of the cover.
4, screw head insertion holes 36, 37, 38, 39, 40 are concentrically provided corresponding to the holes 29 to 33, and engaging holes 41 correspond to the protrusions 35 on the left and right side walls in the width direction. A slit-shaped hinge blade insertion opening 42 is formed in the screw head insertion holes 37, 38 and the side wall 28B over the entire length in the longitudinal (vertical) direction.

The screw head insertion holes 37, 40 are provided so as to match the mounting screw insertion holes 14 of the hinge blade 3, and the fixing screw 26 is screwed into the screw holes 30, 33 of the adjusting plate 24.
The hinge blade 3 can be inserted into the opening 42 while being screwed into the. Further, the countersunk head of the fixing screw 26, when the hinge blade 3 is fixed to the adjusting plate 24,
The outer surface of the cover top plate 28A is made substantially flush with
Adjustment plate mounting screw (not shown) to the door frame F (see FIG. 16)
Is countersunk to the stepped surface 24A so that its countersink is flush with the stepped surface 24A so as not to interfere with the hinge blade 3.
Is given.

The cover 28 has the adjusting plate 24.
Is fitted in advance. That is, when the adjusting plate 24 is fitted, the widthwise side walls 28B and 28C of the cover 28 are pushed outward toward the opposite side against the elasticity thereof, and the adjusting plate 2
After inserting 4, the side walls 28B and 28C are restored, so that the projection 35 of the adjusting plate 24 can be fitted and engaged with the engaging hole 41 provided in the side walls 28B and 28C of the cover 28. As shown in FIG. 12, the adjusting screw 25 has rotary tool fitting recesses 44 on both end surfaces so that the adjusting screw 25 can be operated from both sides of the adjusting plate 24 before the hinge 1 is attached. It has become.

Next, using the hinge 1 of the embodiment, as shown in FIG.
The case where the door D is attached to the door frame F as shown in FIG. First, the hinge 1 assembled and connected by the core rod 4 through the vertical position adjusting pipe 5 and the adjusting screw 6 is separated into the upper and lower hinge blades 2 and 3 by extracting the pipe engaging shaft portion 4C from the vertical position adjusting pipe 5. Then, one blade 2 is shown in FIG.
As shown in FIG. 3, the fixing screw 26 of the other blade 3 is loosened by attaching it to a predetermined position of the door D with a mounting screw (not shown), and the left-right direction adjusting member 9 is separated from the hinge blade 3.

For the left-right adjusting member 9 separated from the blade 3, the adjusting screw 25 is rotated to adjust the adjusting screw end 25.
The blade 3 is supported by A and the corner portion 24C of the adjusting plate, as shown in FIG.
After the hinge blade 3 is adjusted to be tilted to the standard state shown in (a), and is attached to a predetermined position of the door frame F with a mounting screw (not shown) inserted through the screw head insertion holes 38 and 39 of the cover 28. , The hinge blade 3 to the blade insertion opening 42 of the cover 28.
Then, the fixing screws 26 and 27 are temporarily tightened with a screwdriver from the screw head insertion holes 37 and 40 of the cover 28 so that the blade 3 does not come out of the adjusting member 9.

At this time, if the upper end of the door D hits the upper part of the door frame F, a driver is inserted from the lower side of the cheese 8 and the adjusting screw 6 is rotated counterclockwise, so that the adjusting screw 6, the pipe 5, The caps 7 are respectively lowered, and the blades 2 on the door side which are in contact with the caps 7 are lowered, so that the vertical position of the door D can be adjusted. When the lower end of the door D hits the lower part of the door frame F, a screwdriver is inserted from the lower side of the cheese 8 and the adjusting screw 6 is turned clockwise so that the adjusting screw 6, the pipe 5, and the cap 7 are in the lower tubular portion. 12 and pushes up the door D through the upper tubular portion 10, that is, the blade 2,
Door D fits in the proper position. As described above, the vertical position of the door D can be easily adjusted.

Next, the front end of the door D hits the door frame F and the door D
1 does not close, tighten the fixing screw 26 shown in FIG. When the core rod 4 is closer to the door frame F side and the entire door D is closer to the left as shown in FIG.
The tip does not hit the door frame F.

If the gap between the front end of the door D and the door frame F becomes too large and the latch of the door D does not satisfactorily hit the strike on the door frame F side, loosen the fixing screw 27 and adjust the adjustment screw 25. 16C, the adjusting plate step surface 24A and the tip end surface of the adjusting screw 25 are flush with each other (turned to the retreat limit), as shown in FIG. 16 (c). Next, by tightening the fixing screw 26 and the fixing screw 27, the back surface 3B of the hinge blade 3 is moved to the step surface 24A of the adjusting plate 24 and the corner portion 24.
The core rod 4 is supported and fixed in an inclined shape by C, the core rod 4 is moved toward the front end side of the door D, and the entire door D is moved toward the front end side of the door D, so that the gap with the door frame F becomes appropriate.

As described above, the adjusting screw 25 and the fixing screw 2
By rotating 6 and 27, the lateral position of the door D can be easily adjusted. Further, when the position of the door D in the front-rear direction is adjusted, for example, the center line of the front-rear direction adjustment mark 18 of the hinge blade 3 is aligned with the edge of the cover 28, and the blade 3 is adjusted by the fixing screws 26 and 27. Member 9
When the latch on the door D side does not engage with the strike on the door frame F side when fixed to, the fixing screws 26 and 27 are slightly loosened, and the hinge blade 3 is moved back and forth within the range of the mark 18, After the latch is properly engaged with the strike, by tightening the fixing screws 26 and 27,
You can easily adjust the front and back.

According to the above-described embodiment, since the outer diameters of the upper and lower cylindrical portions 10 and 12 of the hinge blades 2 and 3 are the same, the appearance is improved and the cap 7 that covers the adjusting pipe 5 is provided. Therefore, in addition to hiding the gap between the upper and lower tubular portions 10 and 12 to further improve the aesthetic appearance, since the cheese 8 is fitted to the lower end of the lower tubular portion 12, the lower limit of the adjusting screw 6 is restricted. Since the cheese 8 hits the cheese 8 and does not descend further, it is possible to prevent the adjusting screw 6 from falling or being lost.

Further, the left-right direction adjusting member 9 employs the thick metal adjusting plate 24, which does not utilize the elasticity of the thin metal plate as in the conventional case, so that sufficient strength can be obtained. In addition, the angle between the adjusting plate and the hinge blade does not change after adjustment, and it is possible to eliminate the concern that the door closer may be deformed and the door may hit the door frame.

Further, in the conventional left and right adjusting means, since the adjustment reference value is not set, the tightening of the adjusting screw
The dust size was different for each door and it was necessary to adjust even if the engraving size was regular, but in this embodiment, the dust size of each door can be made constant, and if there is no problem with the engraving size, the left and right It has the advantage that no adjustment is required. Further, in the present embodiment, since the front and rear adjustment by the hinge is possible, the strike does not need the adjusting function, and the elliptical fixing screw countersunk head portion 16 (chamfering) is provided around the fixing screw insertion hole 14 of the hinge blade 3. ) Is provided, it is possible to prevent the hinge blades 3 from falling off from the left-right direction adjusting member 9, and it is possible to adjust within the range of the countersunk head receiving portion 16, and the fixing screws 26 and 27 are used beyond the adjustment range. Tightening can be eliminated, and troubles that hinder the opening and closing of the door can be prevented.

The present invention is not limited to the above embodiment. For example, the cap 7 can be integrated with the pipe 5, the cap 7 and / or the cheese 8 can be omitted, and the core rod 4 can be omitted. The diameters of the pipe 5 and the lower tubular portion 12 can be made to correspond to the core rod 4 by making the outer diameters of the shaft portions 4B and 4C the same in the vertical direction. Further, as a means for preventing the hinge blades 3, that is, the door D from falling off, instead of the fixing screw countersunk head receiving portion 16, as shown in FIG.
As shown in FIG. 7, the fixing screw insertion notch 15 of the hinge blade 3
Protrusions 45 are provided in the vicinity, or as shown in FIG. 18, protrusions 46 (or recesses) are provided on the back surface 3B of the hinge blade 3, and the protrusions 45 and the protrusions 46 are provided on the flat surface 24B of the adjusting plate 24. You may make it fit-engage with the recessed part 47 (or protrusion) provided.

Further, as shown in FIG. 19, the cover 2
It is also possible to provide a projection 48 (or a recess) on the inner surface of the top plate 28A of No. 8 and to fit and engage the projection 48 with a recess 49 (or a projection) provided on the hinge blade 3 surface 3A. Further, as shown in FIG. 20, a positioning protrusion 50 is provided on the back surface of the top plate 28A of the cover 28 made of resin, and the positioning protrusion 50 is fitted to one surface of the hinge blade 3 slidingly contacting the top plate 28A. The recess 51 may be provided. In this case, if the positioning projection 50 is fitted into the recess 51 when the hinge blade 3 is inserted into the cover 28 to a proper depth, the reference depth when the hinge blade 3 is attached to the cover 28. Can be easily found, and the position adjustment of the butterfly blade 3 with respect to the cover 28 becomes easy.

As shown in FIG. 21, the positioning projections 50 are provided on the inner surfaces of the upper and lower side walls 28D of the cover 28 facing each other, and correspondingly, the recesses 51 are provided with the recesses 51.
The upper and lower edges may be formed.

[0033]

As described above, according to the present invention, the lower tubular portion provided on the lower side edge of one hinge blade and the upper tubular portion provided on the upper side edge of the other hinge blade have the following features. A core rod is fitted and the two blades are rotatably connected to each other around the core rod, and one hinge blade is attached to a mounting part such as a door frame or a pillar in a horizontal position adjustment made of metal. A hinge that is attached via a plate, wherein the widthwise central portion of the adjusting plate is bent in two steps in different directions in the width direction of the hinge blade, and the hinge blade is provided on the surface of the adjusting plate facing the hinge blade. A stepped surface with a gap is formed on the tip end side in the width direction, and a left and right position adjustment screw is screwed onto the tip end side stepped surface, and one of the hinge blades is fixed to the adjustment plate with a fixing screw that can change the angle. The adjustment plate is thick so that sufficient strength can be secured and Position the proper position after adjustment can be securely held, it is possible to improve the stability of the mounting state of the door.

Further, according to the present invention, since the rotary tool fitting recesses are provided at both ends of the position adjusting screw, the reference position setting adjustment of the adjusting screw is easy, and the hinge dust size is adjusted. Can be used as a reference.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a bottom view of FIG.

FIG. 3 is a partially cutaway exploded front view of the same embodiment.

FIG. 4 is a partially cutaway front view of the embodiment with the left-right direction adjusting member removed.

5 is a bottom view of FIG. 4. FIG.

FIG. 6 is a front view showing a left-right direction adjusting member of the embodiment.

FIG. 7 is a sectional view taken along line AA of FIG. 6;

FIG. 8 is a left side view of FIG.

FIG. 9 is a front view of an adjusting plate in the example.

10 is a cross-sectional view taken along the line BB of FIG.

11 is a left side view of FIG.

12A and 12B show adjustment screws in the left-right direction according to the embodiment, FIG. 12A is a plan view, FIG. 12B is a front view, and FIG.

FIG. 13 is a front view of the cover in the embodiment.

14 is a cross-sectional view taken along line CC of FIG.

FIG. 15 is a left side view of FIG.

FIG. 16 is an explanatory view for adjusting the left-right direction in the embodiment.
(A) shows the reference state, (b) shows the minimum adjustment state, and (c) shows the maximum adjustment state.

FIG. 17 shows another example of the hinge blade fall-out prevention means in the embodiment, (a) is a front view and (b) is a bottom view.

FIG. 18 is an explanatory view showing another example of the hinge blade dropout prevention unit.

FIG. 19 is an explanatory view showing still another example of the hinge blade dropout prevention unit.

FIG. 20 is an explanatory view showing a positioning means of the hinge blade.

FIG. 21 is an explanatory view showing another positioning means for the hinge blade.

FIG. 22 is a front view showing a conventional hinge.

FIG. 23 is an explanatory diagram of left and right adjustment of the conventional hinge.

FIG. 24 is a sectional view showing a defect of the conventional hinge.

[Explanation of symbols]

 1 Hinge 2 Hinge blade 3 Hinge blade 4 Core rod 9 Left-right direction adjusting member 10 Upper tubular portion 12 Lower tubular portion 24 Adjusting plate 24A Step surface 24B Flat surface 25 Position adjustment screw 26 Fixing screw 44 Tool fitting recess D door F door frame

Claims (2)

[Claims] 1. A core rod is fitted to a lower tubular portion provided on a lower side edge of one hinge blade and an upper tubular portion provided on an upper side edge of the other hinge blade. A hinge in which both the blades are rotatably connected to each other around the core rod, and one of the hinge blades is attached to a mounting portion such as a door frame or a pillar through a metal horizontal position adjusting plate. That is, the widthwise central portion of the adjusting plate is bent in two steps in different directions in the widthwise direction of the hinge blade, and on the surface of the adjusting plate facing the hinge blade,
A step surface with a gap is formed on the tip end side in the width direction of the hinge blade, and a left and right position adjusting screw is screwed onto the step surface on the tip side, and one of the hinge blades is fixed to the adjusting plate with a variable angle fixing screw. A hinge characterized by being able to be fixed by. 2. The hinge according to claim 1, wherein rotary tool fitting recesses are provided at both ends of the position adjusting screw.