JP2859058B2 - Hinge device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device, and more particularly to a hinge device in which a movable member such as a door for opening and closing a front opening of the furniture main body is openably and closably attached to a fixing member such as a furniture main body.

[0002]

2. Description of the Related Art Hitherto, as a hinge device of this type, for example, a structure described in Japanese Utility Model Laid-Open Publication No. 2-118076 is known. The structure described in this publication includes a hinge plate fixed to a cabinet body, an inner cup fitted and fixed to a circular hole formed in a door body, and one end connected to the hinge plate and the other end connected to the hinge plate. A slide hinge body having a cup portion fitted and locked to the inner cup, wherein the inner cup is formed in a hollow cylindrical shape, and has an outer peripheral portion which is screwed into a circular hole of the door body by rotation. A screw is formed, and a substantially inverted J-shaped claw receiving piece and a plurality of protrusions are respectively formed at opposing positions on an inner peripheral portion thereof, and the cup portion of the slide hinge body is fitted into the inner cup. It is formed in a cylindrical shape with a size as large as possible, and is fitted on the substantially J-shaped locking claw piece and the plurality of protrusions which are engaged with the substantially inverted J-shaped claw receiving piece at positions opposed to the outer peripheral portion thereof. The locking groove for locking It is respectively formed configuration.

[0003]

In the configuration described in the above publication, a hinge plate is fixed to the cabinet body, and the inner cup is rotated in the circular hole of the door body by a male screw on the outer periphery. Screw and fix
At the installation site, the cup portion of the slide hinge body is fitted into the inner cup to engage the locking claw with the plurality of claw receiving pieces, and the detent grooves for rotation prevention are respectively engaged with the plurality of projections, The cup part of the slide hinge body is connected to the inner cup. At this time, the inner cup is required to connect the cup part of the slide hinge body, so this inner cup is fitted into the circular hole of the door body. Depending on the position required to fix the inner cup by turning the inner cup into the circular hole of the door body, the position of the plurality of claw receiving pieces and projections of the inner cup may be changed to the cup portion of the slide hinge body. Position of the plurality of claw receiving pieces and projections cannot be easily determined, and depending on the positions of the plurality of claw receiving pieces and projections. In some cases, the slide hinge body is obliquely connected, and it may be difficult to connect the slide hinge body to the hinge plate. However, there is a problem that the configuration is complicated, the number of parts is large as a whole, and the configuration is complicated.

[0004] The present invention has been made in view of such a point, and the cup body of the hinge body can be easily inserted into the fitting hole of the movable member at an appropriate position without using an inner cup.
In addition, the hinge body can be securely connected, does not require a particularly troublesome positioning operation, and the hinge body connected to the fixing member is not inclined by the cup body connected in the fitting hole. Can be easily connected to the fixing member, and the number of parts is small and the configuration is simple. Therefore, the handling operation is easy, the storage and packing of the movable member such as the door body are easy, and the It is an object of the present invention to provide a hinge device that can be easily assembled.

[0005]

According to the hinge device of the present invention,
A hinge body attached to a fixed member, and a connecting plate attached to a movable member that opens and closes with respect to the fixed member and detachably connects the hinge body, wherein the hinge body has a distal end portion. A cup body rotatably mounted via a link arm, and an arc-shaped engaging edge protruding horizontally at an outer edge of the cup body opposite to the link arm. An engaging portion is formed on the upper surface of the engaging edge, and a supporting portion is formed on one end of the engaging edge. The movable member rotatably fits the cup body of the hinge body. The coupling plate has a circular fitting hole, and the coupling plate is rotatably inserted into one side of the coupling plate with the opening edge of the fitting hole of the movable member. An arcuate locking edge formed with an insertion recess is protruded horizontally, and a lower surface of the locking edge is formed. A locking portion for locking the engaging portion is formed, and an elastic supporting piece for supporting a supporting portion formed at one end of the engaging edge is provided at one end of the locking edge. is there.

[0006]

In the hinge device of the present invention, a connecting plate is provided along the opening edge of the fitting hole of the movable member, and the arc-shaped locking edge of the connecting plate is defined as the opening edge of the fitting hole. The connecting plate is attached to the opening edge of the fitting hole in a state where the insertion concave portion is formed therebetween.

Next, the cup body of the hinge body is fitted into the fitting hole of the movable member, and one end of the arc-shaped engaging edge of the cup body is connected to the locking edge of the connecting plate by the hinge body. The cup body is rotated by the hinge body while being inserted into the end of the insertion concave portion formed between the portion and the opening edge of the fitting hole.

[0008] Then, the engaging edge of the cup body is sequentially inserted into the insertion recess, and one end of the engaging edge is inserted deeply into the insertion recess, so that one end of the engaging edge is inserted. The cup is further rotated by rotating the cup body while being in contact with an elastic support piece provided at one end of the locking edge, so that the elastic support piece is elastically deformed by the support at one end of the engagement edge. In this case, the support portion of the engaging edge is supported by the elastic support piece.

Further, one end of the engaging edge is formed on the upper surface of the engaging edge of the hinge body by rotating the cup body while approaching the elastic support piece of the locking edge. The engaging portion is engaged with the locking portion formed on the lower surface of the locking edge of the connection plate, and the elastic supporting piece elastically deforms and engages with the supporting portion at one end of the engaging edge, The engaging portion of the engaging edge is engaged with the engaging portion of the engaging edge in a state of being pressed against the engaging portion.

Therefore, by rotating the cup body, the supporting portion of the engaging edge is supported by the elastic supporting piece, and the engaging portion of the engaging edge is attached to the engaging portion of the engaging edge. Are pressed together and tightened, and are locked in a state where the engaging edge of the cup body is detented by the locking portion of the elastic support piece and the locking edge. Is held in a state of being fitted to an appropriate position. The hinge body having the cup body is horizontally attached to the movable member by the connecting plate, and can be easily attached to the fixed member.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of an embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a hinge.
Is a base member 2 fixed to the furniture body A as a fixing member
And a hinge body 3 detachably connected to the base body 2.
And a connecting plate 4 attached to a door B as a movable member that opens and closes with respect to the furniture body A.

The hinge main body 3 is formed in a substantially U-shaped cross section by a top plate 5 which is long in the front-rear direction and side plates 6 formed on both sides of the top plate 5 in the width direction. Support shafts 7, 8 are fixed horizontally above and below between the distal ends of the side plates 6,
The upper and lower support shafts 7 and 8 have a first link arm 9 located on the outer side and a second link arm 10 located on the inner side.
Are rotatably mounted on the other ends of the first link arm 9 and the second link arm 10, respectively. A cup body 11 is rotatable via upper and lower support shafts 12, 13. It is attached to the shaft.

The cup body 11 is formed in a hollow cylindrical shape, and the upper and lower support shafts 12 and 13 are horizontally fixed to the upper and lower portions of the side wall 14 on one side thereof. , 13 have the other end portions of the first link arm 9 and the second link arm 10 rotatably mounted on respective shafts. On the outer edge of the cup body 11, an engagement edge 15 having a substantially semicircular arc shape is provided on the opposite side to the upper and lower support shafts 12 and 13 so as to protrude horizontally and integrally. A plurality of engaging portions 16, 17, and 18 are formed on the upper surface of the mating portion 15 in such a manner as to gradually increase in height from one end to the other end.
A support concave portion 19 as a support portion is formed on an outer portion of one end of the device 15.

Further, a circular fitting hole 20 for rotatably fitting the cup body 11 is formed in the hinge mounting portion of the door body B. The connection plate 4 is attached to the inside of the door B. The connecting plate 4 is formed in a horizontally long rectangular shape, and has a semi-circular arc-shaped concave portion 22 which is concave in the width direction at an intermediate portion in the longitudinal direction.
The cup body is formed between the arcuate edge of the arcuate recess 22 and the opening edge 21 of the fitting hole 20 via a rising wall 23.
A substantially semicircular locking edge 25 formed with an insertion recess 24 into which the eleventh engagement edge 15 is inserted by rotation is projected horizontally. The lower surface of the locking edge 25 has a plurality of locking portions 26 gradually lowering from one end to the other end.
27 and 28 are formed, and a locking step 29 for locking one end of the engaging edge 14 is formed at one end of the locking edge 25.

A mounting recess 30 is formed in the lower surface of one end of the connection plate 4 at a position facing one end of the locking edge 25, and a rectangular leaf spring 31 is fitted in the mounting recess 30. At the inner end of the leaf spring 31, an elastic support piece 33 projecting toward the locking step 29 via a notch groove 32 is formed so as to be elastically deformable. The distal end 33a of the elastic support piece 33 projects into the one end of the insertion concave portion 24 so as to face the locking step 29. Then, one end of the engagement edge 15 abuts on the locking step 29, and the tip 33a of the elastic support piece 33 automatically engages in the support recess 19 of this one end, Elastic support piece 33
At one end of the engaging edge 15 abutting on the locking step 29. Further, mounting holes 34 are formed at both ends of the connecting plate 4 in the length direction.

Next, the operation of the above embodiment will be described.

A connecting plate 4 is arranged along an inner opening edge 21 of a fitting hole 20 formed in the door B, and an arcuate locking edge 25 of the connecting plate 4 is fitted to the fitting hole. The connecting plate 4 is set in a state where the insertion concave portion 24 is formed between the connecting plate 4 and the opening edge 21 of the connecting plate 20.
A fixing screw (not shown) is screwed into the door B from 34, and the connecting plate 4 is integrally attached along the opening edge 21 of the fitting hole 20 with the fixing screws on both sides.

Next, the cup body 11 of the hinge body 3 is fitted into the fitting hole 20 of the door B, and one end of the arc-shaped engaging edge 15 of the cup body 11 is The cup body 11 is inserted into the end of an insertion recess 24 formed between the locking edge 25 of the connection plate 4 and the opening edge 21 of the fitting hole 20, and the cup body 11 is rotated by the hinge body 3. . Then, the engaging edges 15 of the cup body 11 are sequentially inserted into the insertion recesses 24, and the engaging edges 15
15 is inserted deep into the insertion recess 24, so that one end of the engaging edge 15 is fixed to one end of the locking edge 25. Contacted. By further rotating the cup body 11, one end of the engaging edge 15 comes into contact with the locking step 29 at one end of the connection plate 4, and one end of the engaging edge 15 The distal end portion 33a of the elastic supporting piece 33 is elastically deformed and engaged in the supporting concave portion 19, and the supporting concave portion 19 of the engaging edge 15 is supported by the elastic supporting piece 33.

Further, one end of the engaging edge 15 is close to the elastic supporting piece 33 of the locking edge 25, and the cup body 11 is further rotated, so that the engaging edge 15 of the hinge body 3 is rotated. A plurality of engaging portions 16, 17, 18 which are formed on the upper surface portion and gradually increase.
Are sequentially engaged with a plurality of stepped lowering portions 26, 27, 28 formed on the lower surface of the locking edge 25 of the connecting plate 4, and the support recess 19 at one end of the engaging edge 15 is formed. The distal end 33a of the elastic support piece 33 is elastically deformed and engaged with the
The plurality of engaging portions 16, 17, 18 of the engaging edge portion 15 are pressed into engagement with the plurality of 25 engaging portions 26, 27, 28. At this time, the plurality of engagement portions 16, 17, 18 of the engagement edge portion 15 are formed stepwise higher, and the plurality of engagement portions 26, 27, 28 of the engagement edge portion 25 are gradually increased. Since the engaging portions 16, 17, 18 and the locking portions 26, 27, 28 are not formed in a tapered shape that is gradually inclined from one end to the other end, the rotation of the cup body 11 is reduced. The moving operation is easy, and at the time of turning operation of the cup body 11, damage to each of the engaging portions 16, 17, 18 and the engaging portions 26, 27, 28 facing up and down can be prevented.

Therefore, by rotating the cup body 11, the support recess 19 of the engaging edge 15 is supported by the elastic supporting piece 33, and the locking portions 26, 27 of the locking edge 25 are also supported. , 28
The engaging portions 16, 17, 18 of the engaging edge 15 are pressed into contact with each other and tightened.
The engaging edge 15 of the cup body 11 is locked at 26, 27, and 28 in a detented state, and the cup body 11 is held in a state where it is fitted to an appropriate position in the fitting hole 20. . The hinge body 3 having the cup body 11 is horizontally attached to the door body B by the connecting plate 4. At this time, the engaging edge 15 of the cup body 11 fitted into the fitting hole 20 is
20 is inserted into and supported by an insertion recess 24 formed between the opening edge 21 and the cup edge 20 at the engagement edge 15.
If the depth of the fitting hole 20 is larger than the height of 11, the cup body
11 is prevented from sinking deeply into the fitting hole 20.

Next, the base end of the hinge body 3 is connected to the base body 2 fixed to a predetermined position of the furniture body A. The means for connecting the hinge body 3 to the base body 2 is performed by a known means. At this time, since the hinge body 3 is attached horizontally to the door body B, the hinge body 3 is connected to the base body 2. 3 can be easily attached.

As described above, the base body 2 is fixed to the furniture main body A, while the connecting plate 4 is fixed to the door body B along the opening edge 21 of the fitting hole 20. Since the hinge body 3 is not connected to the connection plate 4, the hinge body 3 does not protrude outward from the door body B when the door body B is packed for shipping or the like. The packing work is easy, and it is easy to store the door body B in an overlapped state, and the package is not bulky and bulky unlike the case where the hinge body 3 is provided. Then, the cup body 11 of the hinge body 3 is connected to the base body 2 of the furniture body A by connecting the cup body 11 of the hinge body 3 with the fitting hole 20 of the door body B and the connection plate 4 as described above. The door body B can be easily attached to the furniture main body A in such a manner that the door body B can be freely opened and closed.

Next, in the above-described embodiment, a support recess 19 as a support formed at one end of the engaging edge 15 of the cup body 11 is provided.
Is formed in a notched state on the outer edge of the engaging edge 15, while the tip of the elastic support piece 33 fixed to one end of the locking edge 25 of the connection plate 4 engaged with the support recess 19. Part 33a
Protrudes in a state of facing a locking step 29 formed at one end of the locking edge 25, and has an elastic support piece 33 at one end of the engaging edge 15.
Is elastically deformed outward in the direction of rotation of the cup body 11 so that the distal end 33
Although the case where a is engaged has been described, the present invention is not limited to this.

That is, as shown in FIGS. 10 to 12, for example, the cup body 11 has an inclined surface 40 inclined downward at the upper end of one end of the engaging edge 15 and then upward. An engaging projection 41 is formed as a projecting supporting portion, and a vertical supporting step portion is formed between the engaging projection 41 and the inclined surface 40.
On the other hand, at one end of the lower surface of the locking edge 25 of the connecting plate 4, an engaging recess is formed at a position separated from the locking step 29.
43 are formed, and the elastic support pieces 33 of the leaf spring 31 are formed in the engagement concave portions 43.
And the distal end 33a of the elastic support piece 33 projects toward the locking step 29, and the elastic support piece 33
The tip portion 33a of the projection 33 is inclined and protruded downward in a direction away from the engagement concave portion 43. Then, the locking step 29
The engaging projection 41 is fitted between the elastic support piece 33 and the distal end of the distal end 33a.

With this configuration, when the cup body 11 is rotated with respect to the connecting plate 4, as shown in FIG. 13, the engagement protrusion 41 at one end of the engagement edge 15 of the cup body 11 is formed. The distal end 33a of the elastic support piece 33 of the connecting plate 4 is elastically deformed toward the inside of the engaging recess 43, and the engaging projection 41 passes through the distal end 33a of the elastic support piece 33, and The tip 33a of the piece 33 elastically returns in the direction away from the inside of the engagement recess 43, and the front end in the rotating direction of the engagement projection 41 comes into contact with the locking step 29, as shown in FIG. At the same time, the distal end 33a of the elastic support piece 33 elastically restored to the support step 42 of the engagement projection 41 engages, and the locking step 29 and the distal end of the elastic support piece 33 engage.
The engagement protrusion 41 is fitted between the end of the projection 33a.

At this time, the distal end portion 33a of the elastic support piece 33 is elastically deformed in a direction in which it comes into and out of the engagement concave portion 43 at the engagement protrusion 41 at one end of the engagement edge portion 15, so that the elastic support piece 33 is elastically supported. The elastic support piece 33 can be prevented from deteriorating more than the tip 33a of the piece 33 is elastically deformed outward in the rotation direction of the cup body 11. Therefore, the engagement edge 15 of the cup body 11 is locked in a detented state by the engagement between the engagement protrusion 41 and the elastic support piece 33, and the cup body 11 is securely inserted into the fitting hole 20. Will be retained.

In the above embodiment, the upper surface of the engaging edge 15 of the cup body 11 is provided with a plurality of engaging portions 16, 17, which gradually increase in height from one end to the other end. In the case where a plurality of locking portions 26, 27 and 28 are formed on the lower surface portion of the locking edge portion 25 of the connecting plate 4 while gradually decreasing from one end portion to the other end portion. Was explained,
Not limited to this, for example, as shown in FIG. 15 and FIG.
The upper surface of the engaging edge 15 of the cup body 11 has a tapered engaging portion 44 that gradually increases from one end to the other end.
On the other hand, a tapered locking portion 45 that gradually decreases from one end to the other end may be formed on the lower surface of the locking edge 25 of the connection plate 4. The engagement edge 15 of the cup body 11 and the engagement edge 25 of the connection plate 4 are locked by the tapered connection between the engagement portion 44 and the locking portion 45, and the cup body 11 is Is securely held within.

[0029]

According to the present invention, an arcuate engaging edge is horizontally protruded from the outer edge of the cup body of the hinge body, and an engaging portion is formed on the upper surface of the engaging edge. A supporting portion is formed at one end of the engaging edge portion, and the movable member has a circular fitting hole for rotatably fitting the cup body, and a connecting plate connected to the movable member. A horizontal locking edge formed with an insertion recess for rotatingly inserting the engagement edge of the cup body between one side thereof and the opening edge of the fitting hole of the movable member. A locking portion for locking the engaging portion is formed on the lower surface of the locking edge, and formed at one end of the locking edge at one end of the engaging edge. The elastic support piece that supports the support part is provided, so the cup body of the hinge body can be properly fitted in the fitting hole of the movable member without using the inner cup. The hinge main body connected to the fixing member by the cup body connected in the fitting hole can be easily and securely connected at the position, and does not require a particularly troublesome positioning operation, and becomes oblique. The hinge body can be easily connected to the fixing member, and the number of parts is small and the configuration is simple.
It is possible to provide a hinge device which is easy to handle, easy to store and pack a movable member such as a door, and easy to assemble on site.

[Brief description of the drawings]

FIG. 1 is a side view, partially cut away, of a hinge device showing one embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a plan view showing a state where the hinge main body and the connection plate are separated from each other.

FIG. 4 is a back view of the same.

FIG. 5 is a side view of the connection plate.

FIG. 6 is an enlarged sectional view showing an engaged state between the engaging edge and the locking edge.

FIG. 7 is a rear view showing an initial state in which the cup body is connected to the connection plate.

FIG. 8 is a rear view showing an intermediate state in which the cup body is connected to the connection plate.

FIG. 9 is a rear view showing a state where the cup body is connected to the connecting plate and locked.

FIG. 10 is a plan view showing a hinge device in a separated state according to another embodiment.

FIG. 11 is a back view of the same.

FIG. 12 is a cross-sectional view taken along line a-a of FIG.

FIG. 13 is an enlarged sectional view showing an engaged state between the engaging edge and the locking edge.

FIG. 14 is an enlarged cross-sectional view showing a locked state between the engaging edge and the locking edge.

FIG. 15 is a sectional view showing an engaged state of a hinge device according to still another embodiment.

FIG. 16 is a cross-sectional view showing the same locked state.

[Explanation of symbols]

 Reference Signs List 3 hinge body 4 connecting plate 9 first link arm 10 second link arm 11 cup body 15 engaging edge 16, 17, 18 engaging portion 19, 41 supporting portion 20 fitting hole 21 opening edge 24 insertion recess 25 Locking edge 26, 27, 28 Locking part 33 Elastic support piece A Fixed member B Moving member

Claims (1)

(57) [Claims] A hinge body attached to a fixed member; and a connecting plate attached to a movable member that opens and closes with respect to the fixed member and detachably connects the hinge body. Has a cup body rotatably attached to the tip end thereof via a link arm, and has an arcuate engaging edge positioned on the outer edge of the cup body on the opposite side to the link arm. The engaging member is formed on the upper surface of the engaging edge, and a supporting portion is formed at one end of the engaging edge. The movable member includes a cup body of the hinge body. The coupling plate has a circular fitting hole rotatably fitted therein, and the coupling plate has an engaging edge of the cup body between one side of the coupling plate and an opening edge of the fitting hole of the movable member. An arcuate locking edge formed with an insertion recess inserted by rotation is projected horizontally, and An elastic portion that forms a locking portion for locking the engaging portion on a lower surface portion of the retaining edge portion and supports a supporting portion formed at one end portion of the engaging edge portion at one end portion of the locking edge portion. A hinge device comprising a support piece.