JP2000179220A - Hinge for door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge fitted to an opening and closing part of a glass- made door used in a show window of a jewelry shop, which is capable of preventing the freely opening and closing glass door from being pulled out carelessly to achieve sure anti-theft in the show window of the jewelry shop. SOLUTION: This hinge for a door fitted to a fitting portion where a door is freely openably and closably fitted to a fixed body is formed by a fixed body side plate 11 fitted to the fixed body 32 side and a door side plate fitted to the door side, the door side plate 1 is rotatbly fitted to the fixed body side plate 11, and when at least the door side plate 1 is positioned in the state of substantially intersecting perpendicularly to the fixed body side plate 11, the door side plate 1 is inhibited from being detached from the fixed body side plate 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge for a door, particularly a hinge used for a glass door, for example, a hinge attached to an opening and closing portion of a glass door used in a show window of a jewelry store.

[0002]

2. Description of the Related Art Conventionally, various types of hinges have been used, and most of them consist of a fixed body side plate attached to a fixed body side and a door side plate attached to a door side. Are connected by a shaft portion so as to be rotatable with respect to the fixed body side plate.

By the way, such hinges are generally used for furniture, fittings and the like, and in order to allow the door to be removed as required, the door-side plate is placed at an arbitrary position with respect to the fixed body-side plate. It can be pulled upward.

Therefore, even if the door is locked, it is not impossible to forcibly lift and remove the door.

[0005]

However, from the viewpoint of preventing theft, a door such as a glass door of a show window for storing jewelry, precious metal or the like may be removed by lifting the door in a locked state. There must not be.

The present invention has been made in order to solve such a problem, and it is possible to prevent inadvertent removal of a glass door which can be freely opened and closed, and to prevent theft in a show window of a jewelry store. The task is to make sure.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in order to solve such problems, and a hinge for a door according to the present invention has a door 31 attached to a fixed body 32 so as to be openable and closable. A hinge for a door attached to the attachment portion, comprising a fixed body side plate 11 attached to the fixed body 32 side and a door side plate 1 attached to the door side, wherein the door side plate 1 is the fixed body side plate 11 and rotatably attached to at least the door-side plate 1.
The door side plate 1 is configured to be prevented from detaching from the fixed body side plate 11 when it is positioned substantially orthogonal to the fixed body side plate 11.

As means for inhibiting the door-side plate 1 from being detached from the fixed body-side plate 11, for example, a recess 6 is formed in one of the fixed body-side plate 11 and the door-side plate 1, and the other is provided with the recess. Core rod that can be inserted into 6
14, and a projection 7 is formed on the inner peripheral surface of the concave portion 6, and an engaging groove 15 into which the projection 7 can be engaged is formed with the core rod.
In addition, there is a means for forming the engagement groove 15 so as to prohibit the protrusion 7 from being pulled out and to allow the protrusion 7 to be drawn out at a predetermined position.

In this case, as a more specific structure, a semicircular portion 16 that allows the projection 7 to move along an arc-shaped trajectory when the door is rotated, and one end of the semicircular portion 16 There is a structure in which an engaging groove 15 is formed by a drawing portion 17 formed so that the protrusion 7 can be pulled out from the upper side.

[0010]

Embodiments of the present invention will be described below.

Embodiment 1 As shown in FIG. 1, a hinge according to the present embodiment includes a door-side plate 1 attached to a glass door side and a fixed body side attached to a fixed body side such as a show window case to which the glass door is attached. It comprises a plate 11 and a door-side back plate 21 for holding and fixing the glass door together with the door-side plate 1.

As shown in FIGS. 2 to 4, the door-side plate 1 includes a plate-shaped plate body 2 and the plate body 2.
And a substantially cylindrical shaft portion 3 protruding outward and forward from the upper half of one side edge.

The door side plate 1 is entirely made of a metal such as a zinc alloy die cast.

As shown in FIGS. 2, 3 and 5, the shaft portion 3 has a large diameter portion 4 formed at the lower end thereof and a small diameter portion 5 communicating with the large diameter portion 4. A concave portion 6 is formed, and a protrusion 7 is formed on the inner peripheral surface of the concave portion 6 on the small diameter portion 5 side, as shown in FIGS.

Numeral 8 is a cylindrical portion having a screw hole 9 which is provided on the rear side of the plate body 2 so as to protrude upward and downward.

Reference numeral 10 denotes a hole for a core rod fixing screw.

Next, as shown in FIGS. 7 to 9, the fixed body side plate 11 is provided with a plate-shaped plate body 12 and protrudes outward and forward from the lower half of one side edge of the plate body 12. And a substantially cylindrical shaft portion 13.

The entire door-side plate 1 is also made of a metal such as a zinc alloy die-cast.

The shaft 13 has a core rod extending upward from its upper end.
A protrusion 14 formed on the inner peripheral surface of the recess 6 of the door-side plate 1 is engageable with the core rod 14.
15 are formed.

As shown in FIGS. 10 to 12, the engagement groove 15 has a semicircular portion 16 formed along the semicircular portion of the core rod 14 and one end of the semicircular portion 16. And a pull-out portion 17 formed so that the protrusion 7 can be pulled upward from the side.

As shown in FIG. 8, the core rod 14 is inserted into a concave portion 18 formed in advance on the shaft portion 13 of the fixed body side plate 11, and the core rod 14 is inserted into the concave portion 18. It is attached to the shaft 13 by being fixed with screws 19 inserted from the opposite side to the direction in which the shaft 13 is inserted.

Reference numeral 20 denotes tapping screw holes formed at three places on the plate body 12 of the fixed body side plate 11.

The door-side back plate 21 is for holding and fixing the glass door together with the door-side plate 1 on the back side of the door-side plate 1 as described above. As shown in FIGS. 13 and 14, between the door-side back plate 21 and the door-side plate 1, two rubber sheets 22 and 22 made of neoprene rubber and a cylindrical body 23 made of synthetic resin are provided.
Is interposed.

The door-side back plate 21 is also entirely made of metal such as stainless steel.

In FIGS. 13 and 14, reference numeral 24 denotes a set screw which is inserted into the hole 26 of the door-side back plate 21 to hold and fix the glass door together with the door-side plate 1, and 25 denotes a core rod fixing screw. 2 shows a core rod fixing screw to be inserted into the hole 10 for use.

Next, the hinge having the above configuration is
A case will be described in which the display window is used by attaching it to a portion where the glass door 31 of the show window and the fixed body 32 are attached.

The fixed body 32 is a part to which the glass door 31 is fixed. For example, a partition plate constituting each room of a large show window, a jewel or a precious metal case body if it is small, is fixed. Be a body.

First, as shown in FIG.
And the door-side back plate 21 are attached to the glass door 31.

That is, the cylindrical body 23 is inserted into the hole 33 formed in the glass door 31, and one side (front side) of the glass door 31 is placed on the plate body 2 of the door side plate 1 via the rubber sheet 22.
The door-side back plate 21 is brought into contact with the other side (rear side) of the glass door 31 via the rubber sheet 22.

At this time, the cylindrical body 23 is externally fitted to the cylindrical portion 8 on the back side of the plate body 2.

In this state, the set screw 24 is attached to the door-side back plate 21.
Of the rubber sheet 22 and the cylindrical body 23, and further screwed into the screw holes 9 of the cylindrical portion 8 of the plate body 2.

As a result, the glass door 31 is sandwiched and fixed between the door-side plate 1 and the door-side back plate 21.

Next, as shown in FIG. 16, the fixed body side plate 11 is attached to the fixed body 32.

That is, the plate body 12 of the fixed body side plate 11 is brought into contact with the fixed body 32, and the tapping screw is inserted through the hole 20.
27 is inserted, and the tapping screw 27 is screwed into the fixing body 32.

Thus, the fixed body side plate 11 is attached to the fixed body 32.

In this state, the glass door 31 is attached to the fixed body 32 such that the core rod 14 of the fixed body side plate 11 is inserted into the recess 6 of the door side plate 1 as shown in FIG.

At this time, as shown in the figure, the cylindrical body 29 is inserted into the large diameter portion 4 of the concave portion 6 and the washer 30 is attached to the shaft portion 3 of the door side plate 1 and the shaft portion 13 of the fixed body side plate 11. Interposed between

The cylindrical body 29 and the washer 30 are externally fitted to the core rod 14 of the fixed body side plate 11.

In this case, when the fixed body side plate 11 and the door side plate 1 are positioned so as to be substantially parallel as shown in FIG. 22, the inside of the concave portion 6 of the door side plate 1 as shown in FIGS. The projection 7 is located immediately below the lead-out portion 17 of the core rod 14 of the fixed body side plate 11. Unless the projection 7 is located in this manner, the core rod 14 of the fixed body side plate 11 is The core rod 14 is not inserted into the recess 6.

Therefore, when attaching the glass door 31 to the fixed body 32, the fixed body side plate 11 and the door side plate 1 are positioned so as to be substantially parallel to each other, that is, the glass door
31 will be attached to the fixed body 32 so as to be positioned in the “fully opened” state.

In this way, the core rod 14 of the fixed body side plate 11 is inserted into the recess 6 of the door side plate 1 and
When the fixed member 31 is attached to the fixed member 32, the protrusion 7 in the concave portion 6 of the door-side plate 1 moves along the semicircular portion 16 of the core rod 14 of the fixed member-side plate 11, as shown in FIGS. The glass door 31 becomes rotatable with respect to the fixed body 32.

18 to 20, when the glass door 31 is rotated to a position orthogonal to the fixed body 32, the opening of the fixed body 32 is closed by the glass door 31.

It is possible to lock in this state.

At this time, the projection 7 of the door side plate 1
As shown in FIG. 21, the lead-out portion of the core rod 14 of the fixed body side plate 11
Since the glass door 31 is not located directly below the projection 17, the projection 7 of the door-side plate 1 is
, And the protrusion of the protrusion 7 is prohibited, so that the glass door 31 cannot be removed.

Therefore, even if the opening of the fixed body 32 is closed by the glass door 31 and the glass door 31 is forcibly removed in a locked state, it cannot be removed.

For this reason, it is possible to prevent theft of jewelry, precious metal and the like at stores.

On the other hand, as shown in FIG. 22, the position where the glass door 31 is substantially parallel to the
23, the protrusion 7 of the door-side plate 1 is located immediately below the lead-out portion 17 of the core rod 14 of the fixed body-side plate 11, as shown in FIGS. 23 and 24. Therefore, it is possible to pull out the projection 7 upward along the drawer 17, and thereby, it is possible to remove the glass door 31 upward with respect to the fixed body 32.

Embodiment 2 As shown in FIG. 25, the hinge of this embodiment comprises a door-side plate 1, a fixed body-side plate 11, and a door-side back plate 21 for holding the glass door together with the door-side plate 1. And a fixed body side back plate 33 for holding and fixing the case body together with the fixed body side plate 11.

That is, in this embodiment, not only the door-side back plate 21 corresponding to the door-side plate 1 but also the fixed body-side back plate 33 corresponding to the fixed body-side plate 11 are provided. This is different from the first mode.

In this embodiment, as shown in FIGS. 25 to 29, the fixed body side plate 11 is formed in a substantially L-shaped cross section including a short piece 34 and a long piece 35. It is different from the first embodiment formed in the shape.

Fixed body side plate 11 and fixed body side back plate
As shown in FIGS. 27 and 29, a cylindrical body 23 and two rubber sheets 22, 22 are interposed between 33.

In FIG. 27, 36 is a back plate on the fixed body side.
A set screw which is screwed into the screw hole 9 of the cylindrical portion 8 of the fixed body side plate 11 through the hole 37 of the rubber sheet 22, the hole 28 of the rubber sheet 22, and the cylindrical body 23 is shown. Reference numeral 41 denotes a plate.

In FIG. 29, reference numeral 29 denotes a cylindrical body inserted into the concave portion 6 of the door-side plate 1, and reference numeral 30 denotes an intermediate member between the shaft portion 3 of the door-side plate 1 and the shaft portion 13 of the fixed body-side plate 11. Shows the washer to be mounted. Reference numeral 29 denotes a cylindrical body, and 30 denotes a washer, which is fitted to the core rod 14 of the fixed body side plate 11 outside.

In this embodiment, as shown in FIG. 30, the fixed body 32 is attached so that the fixed body side plate 11 and the back plate 33 are sandwiched therebetween.

The other structure of the fixed body side plate 11 is the same as that of the first embodiment, and the description thereof is omitted.

The door-side plate 1 and the door-side back plate 21
The configuration of the first embodiment and the holding and fixing of the glass door are the same as those in the first embodiment, and the detailed description thereof is omitted.

Further, the structure and operation of the door-side plate 1 to be rotatable with respect to the fixed body-side plate 11 are the same as those in the first embodiment, so that detailed description thereof will be omitted.

Embodiment 3 As shown in FIG. 33, the hinge of this embodiment is to hold and fix a glass door together with two door-side plates 1a and 1b, a fixed body-side plate 11, and the door-side plates 1a and 1b. And a fixed body-side back plate 33 for holding and fixing the case body together with the fixed body-side plate 11.

This embodiment differs from the first and second embodiments in that two door-side plates 1a and 1b and two door-side back plates 21a and 21b are used.

This is because, when there are a plurality of storage cases for jewelry or the like, two glass doors 31, 31 are mounted on one side of the fixed body 32 on the left and right.

The fixed body side plate 11 is formed in a substantially L-shaped cross section composed of a short piece 34 and a long piece 35 as in the second embodiment, but is provided with two shafts 13a and 13b. Embodiment 2 differs from Embodiment 2 in that

That is, two shaft portions 13a and 13b are provided in the lower halves of the left and right ends of the short piece portion 34, and core rods 14a and 14b are respectively erected from the shaft portions 13a and 13b. ing.

As in the second embodiment, the fixed body 32 is sandwiched and fixed between the fixed body side plate 11 and the fixed body side back plate 33.

The recesses of the two door-side plates 1a, 1b
The core rods 14a, 14b of the fixed body side plate 11 are inserted into 6a, 6b, and the glass doors 31, 31 are attached to the fixed body 32.

Further, door-side back plates 21a and 21b are used to face the door-side plates 1a and 1b.
The glass doors 31, 31 are sandwiched and fixed between a, 1b and the door-side back plates 21a, 21b.

The two door-side plates 1a and 1b are formed not in the same shape but in a symmetrical shape.

This is because, in this embodiment, two glass doors 31, 31 are attached to one position of the fixed body 32 so as to be rotatable in opposite directions.

The fixed body side plate 11 and the door side plates 1a, 1
Other configurations of b are the same as those of the first and second embodiments, and thus detailed description thereof will be omitted.

Other Embodiments In the above embodiment, the door-side plate 1, the fixed body-side plate 11, the door-side back plate 21, the fixed body-side back plate 33 and the like are made of a zinc alloy die-cast. The invention is not limited to this. For example, it may be made of another metal such as stainless steel, and the type of the metal is not limited.

It is also possible to use a material other than metal, and in any case, the material of these plates does not matter.

Further, the door side plate 1 and the door side back plate
The shape of the fixed body-side back plate 33 is not limited to the plate shape of the above embodiment, and the shape of the fixed body-side plate 11 is not limited to the plate shape or the substantially L-shaped cross section.

The point is that the door-side plate 1 and the door-side back plate 21
Can be attached to the glass door 31, and the fixed body-side plate 11 and the fixed body-side back plate 33 need only be formed so that they can be attached to the fixed body 32.

Further, in the above-described embodiment, the recess 6 is formed in the door-side plate 1 and the core rod 14 is formed in the stationary body-side plate 11. It is also possible to form the core rod 14 and form the recess 6 in the fixed body side plate 11.

Further, in the above embodiment, the shafts 3 and 13 are formed on the door side plate 1 and the fixed body side plate 11, respectively, and the core rod 14 and the recess 6 formed on the shafts 3 and 13 are fitted to each other. The door-side plate 1 is configured to be rotatable with respect to the fixed body-side plate 11 by the combination. It is not limited to.

In this embodiment, the projection 7 is formed in the concave portion 6 of the door-side plate 1 and the engagement groove 15 is formed in the core rod 14 of the fixed body-side plate 11.
Although the door-side plate 1 is prohibited from detaching from the fixed body-side plate 11 by engaging in the inside 15, means for inhibiting the door-side plate 1 from being detached from the fixed body-side plate 11 is limited to this. Not something.

Further, in this embodiment, the engagement groove 15 is formed with a semicircular portion 16 formed along the semicircular portion of the core rod 14 and formed upward from one end of the semicircular portion 16. Drawn out part 17
With this configuration, the projection 7 is pulled out from the drawer portion 17 and the door-side plate 1 can be removed from the fixed body-side plate 112. However, the structure for removing the door-side plate 1 from the fixed body-side plate 112 is adopted. Is not limited to the embodiment.

Although the present invention has been described with reference to the case where the present invention is mounted on a glass door from the viewpoint of preventing theft, as described above, the application of the present invention is not limited to this. It can also be used for a door opening and closing structure.

Further, the type of the fixed body does not matter.
For example, when the door is a glass door, a partition plate constituting each room of the show window, a jewel, a precious metal case body, or the like is used as a fixed body.

The point is that the fixed body only needs to fix the door.

[0080]

As described above, according to the present invention, the door side plate is rotatable with respect to the fixed body side plate,
In the state where the door-side plate is perpendicular to the fixed body-side plate, the door-side plate has a structure that cannot be detached from the fixed body-side plate, so at least the door such as a glass door is closed and locked, The door cannot be forcibly pulled out of the fixed body, so that there is an effect that it is possible to more reliably prevent theft in a show window of jewelry, precious metal or the like.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a hinge of one embodiment.

FIG. 2 is a front view of a door-side plate.

FIG. 3 is a side view of the same.

FIG. 4 is a plan view of the same.

FIG. 5 is a longitudinal sectional view of a shaft portion of a door-side plate.

FIG. 6 is a bottom view of the coaxial portion.

FIG. 7 is a front view of a fixed body side plate.

FIG. 8 is a front view of a state where the same part is disassembled.

FIG. 9 is a plan view of the same.

FIG. 10 is a front view of a core rod.

11 is a sectional view taken along line AA of FIG. 10;

FIG. 12 is a sectional view taken along line BB of FIG. 10;

FIG. 13 is an exploded plan view showing a door-side plate, a door-side back plate, and constituent members therebetween.

FIG. 14 is a side view of the disassembled state.

FIG. 15 is a cross-sectional plan view showing a state where the door-side plate and the door-side back plate are attached to a glass door.

FIG. 16 is a cross-sectional plan view showing a state where the fixed body side plate is attached to the case body.

FIG. 17 is a schematic front view of a state immediately before the door-side plate is attached to the fixed body-side plate.

FIG. 18 is a cross-sectional plan view showing a state where the door-side plate is attached to the fixed body-side plate.

FIG. 19 is a sectional front view showing a state where the door-side plate is attached to a fixed body-side plate.

FIG. 20 is a cross-sectional side view showing a state where the door-side plate is attached to a fixed body-side plate.

FIG. 21 is a cross-sectional view illustrating a positional relationship between a semicircular portion of the engagement groove and the protrusion in a state where the protrusion of the protrusion from the engagement groove is prohibited.

FIG. 22 is a plan sectional view showing a state where a glass door is fully opened.

FIG. 23 is a cross-sectional view illustrating a positional relationship between a semicircular portion of the engagement groove and the projection in a state where the projection can be pulled out from the engagement groove.

FIG. 24 is a cross-sectional view showing a positional relationship between a protrusion of the engagement groove and a protrusion.

FIG. 25 is a schematic perspective view of a hinge according to another embodiment.

FIG. 26 is a schematic side view of a fixed body side plate.

FIG. 27 is an exploded plan view showing a fixed body-side plate, a fixed body-side back plate, and constituent members therebetween.

FIG. 28 is a schematic front view of a fixed body side plate.

FIG. 29 is a schematic front view showing a disassembled state of the door side plate and the fixed body side plate.

FIG. 30 is a cross-sectional plan view showing a state where the door-side plate is attached to the fixed body-side plate.

FIG. 31 is a sectional front view showing a state where the door-side plate is attached to the fixed body-side plate.

FIG. 32 is a cross-sectional side view showing a state where the door-side plate is attached to the fixed body-side plate.

FIG. 33 is a schematic perspective view of a hinge according to another embodiment.

FIG. 34 is a schematic side view of a fixed body side plate.

FIG. 35 is an exploded plan view showing a fixed body side plate, a fixed body side back plate, and constituent members therebetween.

FIG. 36 is a schematic front view of a fixed body side plate.

FIG. 37 is a schematic front view showing a disassembled state of the door side plate and the fixed body side plate.

FIG. 38 is an exploded plan view showing a door-side plate, a door-side back plate, and constituent members therebetween.

FIG. 39 is an exploded plan view showing a door-side plate, a door-side back plate, and constituent members therebetween.

FIG. 40 is a cross-sectional plan view showing a state where the door-side plate is attached to the fixed body-side plate.

FIG. 41 is a sectional front view of a state where the door-side plate is attached to the fixed body-side plate.

FIG. 42 is a cross-sectional side view showing a state where the door-side plate is attached to the fixed body-side plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Door side plate 3 ... Shaft part 6 ... Recess 11 ... Fixed body side plate 13 ... Shaft part 14 ... Core rod 21 ... Door side back plate 33 ... Fixed body side back plate

Claims (5)

[Claims] 1. A hinge for a door, which is attached to an attachment portion in which a door (31) is openably and closably attached to a fixed body (32), wherein a fixed body side plate ( 11) and a door-side plate (1) attached to the door side, and the door-side plate (1) is attached to the fixed body-side plate (1).
1), and when at least the door-side plate (1) is positioned substantially orthogonal to the fixed body-side plate (11), the door-side plate (1) is fixed to the fixed body-side plate ( 11) A hinge for a door, wherein the hinge for a door is configured to be prohibited from leaving from 11). 2. A fixed body side plate (11) and a door side plate
(1) is formed with a concave portion (6), and the other is formed with a core rod (14) that can be inserted into the concave portion (6), and the inner periphery of the concave portion (6) is formed. A projection (7) is formed on the surface, an engagement groove (15) into which the projection (7) can be engaged is formed in the core rod (14), and the engagement groove (15) is 2. The hinge for a door according to claim 1, wherein the hinge is formed so as to prohibit the protrusion from being pulled out and to allow the protrusion to be pulled out at a predetermined location. 3. The engagement groove (15) has a projection when the door is turned.
(7) is a semicircular portion (16) that allows it to move along an arc-shaped orbit, and the protrusion (7) from one end side of the semicircular portion (16).
3. A hinge for a door according to claim 2, comprising a drawer portion (17) formed so as to be able to be pulled out upward. 4. A door-side plate (1) and a door-side back plate (21).
The hinge for a door according to any one of claims 1 to 3, wherein the door is sandwiched and fixed between the hinge and the door. 5. The hinge for a door according to claim 1, wherein the fixed body is sandwiched and fixed between the fixed body side plate (11) and the fixed body side back plate (33).