JPH044451Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) The present invention relates to a hinge, and particularly to a hinge used for a door of furniture or the like.

(Prior art) Conventionally, a base body and a rotating body attached to the door side of furniture, etc. are connected by a rotatable first link arm and a second link arm so as to be rotatably opened and closed, and the base body is attached. In the case of a hinge that is attached to the body of furniture or the like with a tool, the base is attached to a fixture that is attached to the body with screws or the like, using at least a pair of screws that are engaged with the fixture and the base.

In addition, as described in Japanese Patent Application Laid-Open No. 57-47007, lugs are provided oppositely protruding from the left and right rear ends of the base, and the rear side of the mount to which the base is attached is opened at the rear. A hole is formed, two levers are horizontally rotatably attached to a pin provided in the mounting hole, and a locking protrusion having a guide slope is formed at the tip of each of the two levers. A stopper is provided in a slit formed on the left and right sides of the mounting tool so as to be freely retractable, and a stopper for locking the left and right lugs of the base body is formed on the left and right parts rearward from the left and right slits, and the two lugs are attached to the pin. A spring is attached that constantly biases the lever and causes each of the locking protrusions to protrude outward in the left and right direction from each of the slits.
A structure is known in which the rear end portions of the book levers respectively protrude rearwardly from the openings of the mounting holes, and the left and right lugs of the base body are held between the locking protrusions on the left and right portions and the stoppers. There is.

(Problem to be solved by the invention) In the above structure where the base is attached with a pair of screws,
The problem is that the attachment work is time-consuming because a separate base is attached to the attachment attached to the main body of furniture, etc., using at least one pair of screws that are engaged with both. There is a point.

In addition, the structure described in the above publication requires a pin to support the two levers and a spring to bias the two levers, so it requires a large number of parts and requires assembly work in a narrow space with mounting holes. Also, when removing the base from the fixture, even if you push the locking protrusions of the two levers inward against the springs, the left and right locking protrusions will not move. Because it is difficult to remove from each lug, it is necessary to rotate the rear ends of the two levers toward each other against the spring force to remove each locking protrusion from each lug. , there is a problem in that the removal operation requires a lot of effort.

The present invention aims to solve these problems by making it easy to attach the base to a fixture that is attached to the main body of furniture, etc., and to ensure that the base is securely fixed to the fixture. The object of the present invention is to provide a hinge that has a small number of parts, that allows the base body to be easily removed from the fixture, that is easy to handle, and that is favorable in terms of cost.

[Structure of the idea]

(Means for Solving the Problems) The hinge of the present invention connects a base body 1 and a rotating body 2 by a rotatable first link arm 3 and a rotatable second link arm 4 so as to be rotatably openable and closable. , the above substrate 1
In this hinge, the base body 1 is provided with a screw 13 having an annular engagement portion 12 at its tip in the front portion on the rotating body 2 side so as to be movable forward and backward. Locking openings 16 are formed facing each other on the left and right sides, and the mounting tool 6 has a notch 40 at the front end on the rotating body 2 side, into which the annular engaging portion 12 of the screw 13 is engaged from the edge. At the same time, protrusion openings 42 are formed on the left and right rear sides thereof to overlap and communicate with the locking openings 16 of the base body 1 from the inside, and the opposing protrusions are formed in the left and right parts of the fixture 6. The locking port 1 of the base 1 is connected from each of the ports 42 to the locking port 1 of the base body 1.
6, and has a retractable protrusion 47 consisting of an inclined surface 47a and a locking surface 47b that protrude and engage with each of the locking ports 16, and each of the protrusions 47 is biased toward each of the locking ports 16. A pair of elastic locking bodies 46 are provided.

(Function) When the hinge of the present invention is attached to the fixture 6 attached to the main body 5 side of furniture etc.,
For example, when the base body 1 is slid from the front so as to cover the fixture 6, the annular engaging portion 12 of the screw 13 of the base body 1 is engaged with the notch portion 40 of the fixture 6 from its front edge, and , the respective inclined surfaces 47a of the protruding parts 47 of the pair of elastic locking bodies 46 protruding outward from the protruding openings 42 on the rear left and right parts of the fixture 6 are first gradually pressed by the left and right parts of the base body 1. At the same time, the respective protrusions 47 are recessed inside the fixture 6 against its elasticity, and then the left and right locking openings 16 of the base body 1 overlap with the left and right protrusion openings 42 of the fixture 6. When the two elastic locking bodies 46 are connected to each other, each of the protrusions 47 of the pair of elastic locking bodies 46 elastically returns to the left and right locking openings 16 and is engaged with the protrusions 47 of the pair of elastic locking bodies 46. The rear opening edge of the locking port 16 of the base body 1 is locked to each of the locking surfaces 47b, so that the attachment 6
It can be easily installed with the base body 1 fixed to the base body 1.

In addition, when removing the base body 1 from the fixture 6,
The protrusions 47 of the pair of elastic locking bodies 46 are each pushed inward against the elasticity, and the respective locking surfaces 47b are removed from the rear opening edge of the locking port 16 of the base body 1. By sliding the base body 1 forward, the annular engagement portion 12 of the screw 13 is disengaged from the cutout portion 40, so that the base body 1 can be easily removed from the fixture 6.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

In this hinge, a base 1 and a rotating body 2 are rotatably connected by a rotatable first link arm 3 and a rotatable second link arm 4, and the base 1 is connected to a main body 5 of furniture or the like. The rotating body 2 is attached to the door 7 side of furniture or the like, so that the door 7 can be opened and closed from the main body 5.

The base body 1 is integrally formed of a metal plate or the like and has a substantially U-shaped cross section with parallel upper and lower openings, and a screw hole 11 is formed in the front part of the upper plate part 1a. has an annular engaging portion 1 at the tip.
A screw 13 formed with a numeral 2 is screwed in such a manner that it can move forward and backward. Further, opposing left and right side plate portions 1 of the base 1 are provided.
The lower edge of b has an inclined edge 1 at its front end and a rear edge
4a are respectively formed, and bent pieces 15 are formed at the rear end portions, respectively, which are vertically bent inwardly and facing each other. Furthermore, a rectangular locking opening 1 extending in the front-rear direction is provided at the rear of the left and right side plate portions 1b of the base body 1.
6 are formed with openings facing each other. Note that an opening 17 is formed at the rear of the upper plate portion 1a of the base body 1.

The rotary body 2 is integrally formed of synthetic resin material, metal material, etc., and has a substantially box shape with one side open, and has a cap portion 21 in which both link arms 3 and 4 are housed when a door 7 of furniture or the like is closed. and a flange portion 22 protruding from the opening side of the cap portion 21 and from the left and right portions of the front side. The rotating body 2 is attached to the door 7 by embedding the cap portion 21 in the door 7 and joining the flange portion 22 to the door 7 with screws (not shown).

The first link arm 3 is integrally formed of a metal plate or the like, and its base end is rotatably attached to the upper side of the front end of the base body 1 by a shaft 25, and its tip end is rotatably attached to the upper side of the front end of the base body 1. The rotary body 2 is rotatably attached to the rear portion of the cap portion 21 by a shaft 26 .

Further, the second link arm 4 is integrally formed of a metal plate or the like, and its base end is rotatably attached to the lower side of the front end of the base body 1 by a shaft 27, and its tip The portion is rotatably mounted on the rear side of the shaft 26 within the cap portion 21 of the rotary body 2 by a shaft 28.

The fixture 6 is composed of a base plate 31 formed of a metal material or the like, and a case body 32 joined to the upper surface of the base plate 31.

The base plate 31 includes a main body 33 extending in the front-rear direction, and a mounting portion 34 that protrudes from the left and right sides of the main body 33 and whose upper surface is lower than the main body 33 by approximately the thickness of the base 1, Insertion holes 35 are formed in the left and right mounting portions 34, respectively. Further, the mounting portion 34 extends at least along the front side of the main body 33 to the front end of the main body portion 33, and an inclined surface 34a is formed at the front end. Furthermore, the main body portion 33 includes:
A recess 36 with an open front edge is formed at the front end, a screw hole 37 is formed at the center, and a rectangular parallelepiped-shaped protrusion 38 that protrudes upward is formed at the rear end. ing.

The case body 32 is formed into a substantially U-shaped cross section with an upper surface opening and a lower surface parallel to each other. It is approximately equal to the distance between the side surfaces, and the left and right side plate portions 32b
The distance between the inner surfaces of the base plate 31 is approximately equal to the width of the main body portion 33 of the base plate 31. The left and right side plates 32b of the case body 32 extend to the rear from the lower plate part 32c of the case body 32, and the rearward extending part 39 extends to a lower part than the lower plate part 32c. Extending left and right side plate portions 32
A step portion is formed between the lower end portion of b.

In addition, the lower plate portion 32c of this case body 32 includes
At its front end, a notch 40 that overlaps with the recess 36 of the base plate 31 is formed with the front open, and at the rear thereof, a long hole 41 that overlaps with the screw hole 37 of the base plate 31 is formed. is formed.

In addition, the opposing left and right side plate portions 32b of the case body 32 have protruding openings 42 whose rear ends are located forward of the extending portion 39 and have substantially the same shape as the left and right locking openings 16 of the base body 1. Openings are formed facing each other, and support pieces 43 are formed by cutting and raising inward on the left and right side plate portions 32b, located in front of the left and right protrusion ports 42, respectively. Located in front of the left and right support pieces 43,
Insertion holes 44 are formed in the left and right side plate portions 32b, respectively, and the left and right insertion holes 44
Left and right engaging protrusions 45 are bent inward, respectively.

Reference numeral 46 denotes a pair of elastic locking bodies in the form of leaf springs, and each of the pair of elastic locking bodies 46 has an inclined surface 47a that gently slopes outward toward the rear.
and a locking surface 47b that continuously projects inward in a direction orthogonal to the longitudinal direction of the elastic locking body 46 from the rear end of the inclined surface 47a.
7 is formed. The pair of elastic locking bodies 46 have engagement recesses 4 formed at their front ends.
8 to the engagement protrusion 45 of the case body 32,
By inserting the rivet 50 into the insertion hole 49 formed slightly rearward of the engagement recess 48 and the insertion hole 44 of the case body 32 and caulking it, the left and right support pieces 43 of the case body 32 are attached. The lower edges of the case body 32 are slidably abutted, and the respective protrusions 47 are attached so as to protrude outwardly from the left and right protrusion openings 42 of the case body 32.

Further, the case body 32 has a lower plate portion 32c.
are joined onto the main body portion 33 of the base plate 31, and the extension portions 39 of the left and right side plate portions 32b are joined to the base plate 3.
The threaded hole 37 of the base plate 31 is connected to both sides of the protrusion 38 of the base plate 31 from the outside through the elongated hole 41.
It is attached to this base plate 31 by screwing screws 51 into the base plate 31 . In this state, a groove portion 52 is formed by a gap created between both sides of the lower surface of the case body 32 and the upper surface of the mounting portion 34 of the base plate 31.

Then, when attaching the hinge to furniture etc., first, for example, attach the mounting tool 6 to its base plate 31.
The fixture 6 is attached to the main body 5, such as furniture, by screwing the wood screws 53 into the main body 5, such as furniture, through the insertion holes 35.

Next, when attaching the base 1 to this fixture 6, insert the left and right bent pieces 15 of the base 1 into the left and right grooves 52 of the fixture 6 from their front ends, and attach the case body of the fixture 6 to the base 1. 32, and slide the base body 1 from the front to the rear with respect to the fixture 6 as shown by the arrow in FIG. Along with such a sliding movement, the inclined surfaces 47a of the protrusions 47 of the pair of elastic locking bodies 46 provided on the fixture 6 are pressed from the front by the base body 1, so that the pair of Due to the elasticity of the elastic locking body 46, each protrusion 47 first attaches to the case body 32.
immersed within. When the base body 1 slides, the left and right bent pieces 15 are connected to the extending portion 39 of the case body 32.
It is locked by coming into contact with the stepped part of the
In this state, the left and right locking ports 16 of the base body 1 overlap and communicate with the left and right projecting ports 42 of the case body 32, so that the projections 47 of the pair of elastic locking bodies 46 are urged outward. are protruded from the left and right protrusion ports 42 and engaged with the left and right locking ports 16, respectively. Further, the annular engaging portion 12 of the screw 13 of the base body 1 is engaged with the notch portion 40 of the case body 32 of the fixture 6 from its front edge.

In this state, as described above, the left and right bent pieces 15 of the base body 1 are connected to the left and right extending parts 39 of the case body 32.
The elastic locking body 46 is fitted into the groove 52 of the fixture 6 while in contact with the stepped portion, and the locking surfaces 47b of the elastic locking body 46 are brought into contact with the rear edges of the left and right locking ports 16 of the base body 1, respectively. The annular engaging portion 12 of the screw 13 of the base body 1 is engaged with the cutout portion 40 of the fixture 6, so that the base body 1 is securely attached to the fixture 6.

Furthermore, as described above, the base body 1 can be attached to the fixture 6 by simply sliding it on the fixture 6, making the attachment work extremely easy.

On the other hand, when removing the base 1 from the fixture 6, the protrusions 47 of the pair of elastic locking bodies 46 are pushed inward from the left and right directions, and the left and right protrusions 47 are removed from the base 1, respectively. Remove from the left and right locking openings 16, slide the base 1 forward, remove the annular engaging portion 12 of the screw 13 from the notch 40 of the fixture 6, and attach the left and right bent pieces 15 to the fixture 6. It is only necessary to remove it from the grooves 52 on the left and right sides.

In this manner, even when the base body 1 is removed from the fixture 6, the removal work can be performed extremely easily.

[Effect of idea]

According to the present invention, a pair of elastic locking bodies 46 are provided in the left and right parts of the fixture 6 to which the base 1 is attached, and the pair of elastic locking bodies 46 are inserted into the base from the protrusion openings 42 on the left and right sides of the fixture 6. A protrusion 46 having an inclined surface 47a and a locking surface 47b that protrudes and engages with each of the left and right locking ports 16 of 1 is formed.
Since a notch 40 is formed at the front end of the fixture 6 to engage the annular engagement portion 12 of the screw 13 of the base 1, when the base 1 is attached to the fixture 6. When the base body 1 is slid from the front to the rear so as to cover the fixture 6, the annular engaging portion 12 is engaged with the notch 40 of the fixture 6, and the pair of elastic locking bodies are engaged. 46 protrusions 47 are narrowed inward at the respective inclined surfaces 47a, and the left and right locking openings 16 of the base body 1 overlap and communicate with the left and right protruding openings 42 of the fixture 6,
The left and right protrusions 47 automatically protrude from the respective protrusion ports 42 into the locking ports 16 and are engaged, and the left and right locking ports 16 of the base body 1 are engaged with the locking surfaces 47b of the left and right protrusions 47. is locked and therefore the fixture 6
The base body 1 can be easily attached to the base body 1, and the base body 1 can be reliably prevented from coming off from the fixture 6.

Furthermore, since the base body 1 is locked by a pair of elastic locking bodies 46 provided on the fixture 6, the levers are rotatably supported on the left and right support shafts, and the levers are rotatably supported on the left and right support shafts. Compared to a structure in which coil springs are provided to bias each lever, the number of parts is smaller, the structure is simpler, assembly work is easier, and costs can be reduced.

In addition, when removing the base body 1 from the fixture 6,
By pushing the protrusions 47 of the pair of elastic locking bodies 46 in the proximal direction, the left and right protrusions 47
The respective locking surfaces 47b of the base body 1 can be easily removed from the left and right locking holes 16 of the base body 1, and
The annular engagement portion 12 of the screw 13 of the base body 1 can be easily removed from the notch 40 of the fixture 6 by moving the screw 13 toward the front of the fixture 6, and therefore the base body 1 can be removed from the fixture 6. can be easily removed.

Therefore, a hinge that is easy to handle and operate can be provided at a low cost.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view showing one embodiment of the hinge of the present invention, Fig. 2 is a perspective view showing a method of attaching the base to the fixture, Fig. 3 is a sectional view of the hinge in the closed state, and Fig. 4 is a perspective view showing an embodiment of the hinge of the present invention. The figure is a cross-sectional view of the open state, and FIG. 5 is a side view thereof. DESCRIPTION OF SYMBOLS 1... Base body, 2... Rotating body, 3... First link arm, 4... Second link arm, 6... Mounting tool, 12... Annular engagement part, 13... Screw, 16
...Latching port, 40...Notch, 42...Protrusion port,
46...Elastic locking body, 47...Protrusion part, 47a...
... Sloped surface, 47b ... Locking surface.

Claims (1)

[Claims for Utility Model Registration] The base body 1 and the rotating body 2 are connected by a rotatable first link arm 3 and a rotatable second link arm 4 so as to be rotatably openable and closable, and the base body 1 is attached to a mounting fixture 6. In the hinge to be attached to the side to be attached, the base body 1 is provided with a screw 13 having an annular engagement part 12 at the tip at the front part on the side of the rotating body 2 so as to be movable forward and backward, and a screw 13 which is attached to the left and right parts of the rear side. Stops 16 are formed facing each other, and the fitting 6 is provided with a notch 40 at its front end on the rotating body 2 side, into which the annular engaging portion 12 of the screw 13 is engaged from the edge. , forming opposing protrusion ports 42 on the rear left and right parts, which overlap and communicate with the locking port 16 of the base body 1 from the inside, and in the left and right parts of the mounting tool 6, respectively, It has a removable protrusion 47 consisting of an inclined surface 47a and a locking surface 47b that protrude and engage with each of the locking ports 16 of the base body 1, and each of the protrusions 47 is connected to the locking port 1.
6. A hinge comprising a pair of elastic locking bodies 46 that are biased toward each other.