JPH0497087A - Pivot hinge - Google Patents

Abstract

PURPOSE:To facilitate fitting work by fitting an upper hinge main-body and a lower hinge main-body on a door fitting frame and a door, and by providing the lower hinge main-body with a pivot, to provide the upper hinge main-body with a pivot receiving section. CONSTITUTION:Respectively on a door fitting frame 18 and a door 22, an upper hinge main-body 1 and a lower hinge main-body 21 are fitted, and on a bearing 23 set on the lower hinge main-body 21, a pivot 2 is rotatably fitted. Besides, the upper hinge main-body 1 is provided with a notch-shaped pivot receiving section 1c with the pivot 2 to be moved in the horizontal direction and to be fitted therein. Then, a stop device 3 having the circular pivot bearing section on the opening surface of the pivot receiving section 1C is fixed by driving a screw 4 into a screw hole made in a vertical surface. As a result, the pivot 2 is prevented from being removed in the horizontal direction.

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a pivot hinge for attaching a door to a frame so that the door can be opened and closed, and is particularly suitable for rotatably supporting one or two parts of the door. relating to things.

(Prior art) The conventional upper hinge for door installation has a tapped hole for fitting the pivot in the lower hinge body attached to the door.
On the other hand, when installing the door, a circular hole is provided in the part of the frame that is attached to the frame and the sill body, and one worker supports the door and aligns the circular hole and the tapped hole. The worker can screw the pivot, which has a threaded groove on its outer periphery, into the threaded hole from below and make it protrude upward, and then insert the part of the upper part of the pivot that does not have the threaded groove into the circular hole. It was stuck in.

(Invention or problem to be solved) J: As mentioned above, with conventional pivot hinges, there is a problem in that two workers are required to install the door. Improvements were hoped for.

Based on this background, it is an object of the present invention to provide a pivot hinge with a structure that allows a door to be installed by a single worker, thereby saving labor.

(Means for Solving the Problems) In order to achieve the E-leg goal, the present invention is a pivot hinge in which the door is attached to the frame so that the door can be opened and closed, and the door is attached to the frame and the door respectively with an upper hinge body and a lower hinge body. A hinge body is attached, a pivot is attached to the lower hinge body, a notch-shaped pivot receiving part is provided on the upper hinge body to which the pivot is fitted by moving laterally, and the pivot receiving part is attached to the opening surface of the pivot receiving part. The present invention is characterized in that an IF device is provided to prevent the pivot from coming off in the direction of lateral force.

(Function) Since the present invention has the above structure, when installing the door,
The pivot, which has been previously attached to the lower hinge body, is locked by lateral movement to the pivot receiver provided on the upper hinge body. By attaching a stopper to the pivot receiver in this state, the pivot can only be prevented from being pulled out in the lateral direction.

(Embodiment) The drawings show one embodiment of the pivot hinge according to the present invention, and Fig. 1 is an exploded perspective view, and Fig. 2 is a partially cutaway side view showing the frame for mounting the door and the state for mounting to the door. , Figure 3 is a plan view showing how the upper hinge body is attached to the door frame.
No. 41J is a plan view showing the installation state of the lower hinge main body to the door, No. 5 ``CA'' is a perspective view showing the installation in progress, and No. 6I', A is a diagram showing the pivot and pivot in the completed installation state. FIG. 7 is a partially cut-away side view showing the coupling structure with the receiving part. FIG. 8 is a bottom view showing the operation of the locking claw during installation work. FIG. 9 is a bottom view of the locking claw. FIG. 3 is a bottom view showing a working state of canceling the pivot engagement IJx state.

In FIG. 1, ■ indicates an upper hinge body, and the northern hinge body l has a mounting portion 1b having a tapped hole 1a;
For mounting, there is a notch-shaped pivot receiving part 1 on the opposite side of part 1b.
c. As shown in FIG. 8, the pivot receiving portion 1c consists of a semicircular portion a having an inner diameter that approximately matches the diameter of the pivot 2, and a straight groove portion extending from the semicircular portion to the opening. Further, the pivot receiving portion 1c is provided with a vertical surface 1d by removing the upper surface from the semicircular portion a to the opening, and the vertical surface 1d has, as shown in FIG.
A stop 3 having an arc-shaped pivot receiving surface 3a or a vertical surface 1d
By screwing the screws 4 into the screw holes 1e provided in the screw holes 1e, it is fixed via the screws V5 made of bone material.

In addition, a shaft 1f is provided protruding from the upper part and the bottom of the sill main body l.
Bihon holding part 6 forming a U-shape centered on the axis if
A locking pawl 6 having a diameter of 1h is rotatably attached, and either a protrusion 6b protruding northward from the middle of the locking pawl 6 or a protrusion 6b drilled on the bottom of the upper hinge body l. Large diameter hole 1g
The locking claw 6 can be inserted into the hole tg, and the locking claw 6 can be rotated about the shaft 1f in the center and D within the range in which the protrusion 6b moves within the hole tg.

7 is a spring that presses the engagement pawl 6 in the direction of engagement 1F;
As shown in FIG. 8, the spring 7 is housed in a hole 1h drilled in the bottom of the L-part hinge body l, and one end is hung on the edge of the hole 1h, and the other end is hung on the catch 11-claw 6 to tighten the spring. A force is applied to the locking pawl 6. The tip 6c of the claw 6 of the engaging member 11 is connected to the pivot 2.
It is formed into a hook shape so that the relation IJ=, and the tip surface 6d is
It is formed into a straight or curved inclined surface so as to be pushed open laterally when pushed into the pivot receiving portion 1c.

8 is the pin 6 of the locking claw 6 from the side of the L portion hinge body l.
There is a lock release screw that is screwed into a screw hole 11 provided over the hole 1g into which the screw 8 is inserted, and as shown in FIG. Tip or protrusion 6b
By pressing , the locking pawl 6 rotates in the opening direction (direction B) about the shaft 1f against the force of the spring 7.

Reference numeral 9 denotes a holding plate that holds the locking pawl 6 between the bottom surface of the upper hinge body 1;
The shaft 1 is fixed by a screw lO screwed into a screw hole 1j provided in the bottom of the shaft 1, and a hole 9a provided in the holding plate 9 is inserted into the shaft 1.
By fitting f into the bottom surface of the upper hinge body 1,
As shown in FIG. 7, the locking pawl 6 is clamped and attached without interfering with its rotation. The holding plate 9 has a notch 9b that is substantially the same shape as the pivot receiving part IC, and the pivot plate 9
so that it does not interfere with pushing from the side.

12, (3) are an upper cover and a lower cover provided for aesthetic improvement. The upper cover 12 is plate-shaped, and the upper hinge main body 1 is attached using a screw hole l so as to cover the upper surface other than the part 1b. ! It is attached by screws 14 screwed into Q. The lower cover 13 is installed by passing it through the through hole 9C provided in the holding plate 9 so as to cover the bottom, side and front surfaces except for the part ib, and attaching the lower cover 13 to the hinge body 1 at the bottom of the upper hinge body l. It is attached by screws 15 that are screwed into holes 1k. The lower cover 13 is provided with a notch 13a through which the pivot 2 passes, in order to fit the pivot 2 into the pivot receiving portion 1c and attach the stopper 3 using a screw I5.

The upper hinge main body l, as shown in FIGS. 2 and 3,
The door is attached by screwing a screw 20 inserted into the upper frame 19 of the frame 18 into the screw hole 1a of the portion 1b.

Reference numeral 21 denotes a lower hinge body to be attached to the door 22, and the lower hinge body 21 is attached to the pivot 2 in a bearing 23 fitted in a hole 21a provided in the lower hinge body 21, as shown in FIGS. 1 and 4. It is rotatably mounted. The lower hinge main body 21 is attached to the door body surface direction X (
Refer to Figure 4! Jl! ! ! It is configured so that it can be used. That is, the mounting plate 25 fixed to the upper surface of the door 22 by the screws 24 has two prongs 25a at its ends, and the head of the adjusting screw 26 is rotatably attached to the two prongs 25a. The lower hinge body 2 is engaged in an axially immovable manner.
1 is installed by adjusting the screw 2 into the screw hole 21c provided in the part 21b.
6 and turn the adjusting screw 26 to align the position of the lower hinge body 21 in the The structure is such that the F section hinge main body 21 is adjusted in the X direction and fixed to the upper surface of the door 22 by inserting and attaching it into a screw hole provided in the plate 25. 28 is a cover attached to the lower hinge main body 21 with screws 29.

This pivot and sill are attached to the upper hinge body l and the upper cover 12. Lower cover 13, stopper 3 not attached.
The two-part hinge body 1 is attached to the upper frame 19 of the frame 18 as shown in FIG. For example, the lower pivot hinge (not shown) of the door 22 is attached using the conventional mechanism described above, and a part of the door 22 is attached in the six directions of the arrows in FIGS. 5 and 8. The pivot 2 is moved to fit into the pivot receiving portion 1c of the upper hinge body 1.

The fitting operation of fitting the pivot 2 into the pivot receiving portion 1c can be performed by one person, and the subsequent screwing of the stopper 3 can be performed by one person.

Further, in the second embodiment, since the pivot 2 is rotatably attached to the lower hinge body 21 via the bearing 23, the pivot 2 is rotatably fitted to the pivot receiving portion 1c. Since it is not necessary, it is necessary to forcefully fit the two together without any clearance, and even if you take your hand off the door 22,
It is possible to keep the door 22 in a vertical position.

In addition, conventionally, unless there is some clearance between the pivot and the circular hole into which it is inserted, the pivot cannot rotate relative to the circular hole, so a clearance of 0.2 mm to 0.51 mm is required between the two. The current situation is whether there is a the result,
Due to the existence of this clearance, there was a problem that the door 22 would be stiff when opening and closing the door, but by installing the pivot 2 through the bearing 23 as in this embodiment, the clearance is no longer necessary. Therefore, only the door 22 shakes when opening and closing.

In addition, as shown in FIG. 3, the direction D of the pivot receiving part IC is
is set so that it is not perpendicular to the door surface (θ≠90 degrees), and as shown in Fig. After fitting the pivot 2 to the pivot receiver IC by tilting it perpendicular to the receiver IC, the door 22 is installed parallel to the frame 18, as shown in FIG. If the door 22 is in the closed position, the movement of the door 22 to fall toward the indoor side as shown by the arrow E will be resisted by the fitting of the hinges 1 to 2 and the pivot receiver 1c, and the door 22 will not fall. That is, the movement of the pivot 2 from detaching from the pivot receiving portion 1c is prevented, and the attachment of the stopper 3, which will be described later, becomes easier.

Furthermore, in this embodiment, the locking pawl 6 is biased by a spring 7 and is mounted rotatably around the axis if, and the tip end surface 6d is formed as an inclined surface, so that the locking pawl 6 is attached as shown in FIG. By pushing the pivot 2 into the
Rotate in the direction of arrow B around f as the center against spring 7,
The locking pawl 6 is opened and the pivot 2 enters the inner part of the pivot receiver IC, and the locking pawl 6 returns to the locking position as shown in FIG. 6 by the force of the spring 7 and locks the pivot 2. Since pulling out is prevented, the pivot 2 is completely prevented from being pulled out regardless of the orientation of the door 22, improving work safety. In this state, the pivot 2 is fixed by fixing the screw 4 of the stopper 3 to the vertical surface 1d via the washer 5. Thereafter, the lower cover 1213 is attached to the upper hinge body 1, and the cover 28 is also attached to the lower hinge body 21 with screws 29.

When removing the door 22 from the frame 18, remove the lower cover 1.
3, as shown in Figure 9, push the screw 8 deeply and push the tip of the screw 8 or the protrusion 6b, thereby moving the locking pawl 6 around the shaft 1f. The pivot 2 can be pulled out in the direction of arrow C by moving lhl in the opening direction (direction B) against the force of the spring 7. By providing such a screw 8, the pivot 2 can be easily pulled out by one person after the engagement 1 is retracted from the pivot receiving part 1c of the pawl 6, and then the pivot 2 can be pulled out from the pivot receiving part 1c. I have something to do.

Furthermore, in this embodiment, as explained with reference to FIG. .12 or the stopper 3 can be removed, that is, even if the door opens outward, the door 22 cannot be removed. In other words, the side opposite to the hinge side is normally locked from the indoor side, and if the pivot receiver IC is formed directly on the door body surface of the door 22, the door 22 can be opened through the pivot 2 or the pivot receiver 1c. Is there a risk of it coming off? Since the pivot holder 1c or F is installed at an angle with respect to the body surface, even if the door 22 is pulled from the outside, it will not come off the pivot 2 or the pivot holder 1c and open to the outside. It can also be used on doors to improve the security function.

The present invention has been described above with reference to embodiments, and when carrying out the present invention, the upper and lower hinge bodies 1 and 21, the door mounting are carried out by the frame 18, the door 22, and the handle W.
The specific shapes of the claws 6, springs 7, screws 8, etc. and their combinations are not limited to the above embodiments, and various changes and additions are possible.

(Effect of the invention) According to claim 1, the bibond is attached to the F section hinge body, the notch-shaped pivot receiving part is provided in the upper hinge body, and the m
By moving both the pivot and the pivot receiving part together, one worker can fit the pivot and the pivot receiving part, which saves labor and It is possible to achieve a reduction in construction costs.

According to claim 2, since the pivot is rotatably attached to the lower hinge body via the bearing, there is no need to rotatably fit the pivot into the pivot receiving portion, so there is no clearance between the two. This allows the door to be tightly fitted, allowing the door to remain in a vertical position even if the user releases the door. Also, since there is no clearance between the pivot and the pivot receiving part, the door does not get stuck when opening or closing.

According to claim 3, the door is automatically pushed open by the locking pawl or the pivot, and is automatically returned and the pivot is locked by the locking pawl for 1 hour, so that regardless of the direction of the door, there is no possibility that the pivot will come off. This makes installation very easy.

According to claim 4, by opening the locking claw by turning the screw, the locking claw can be easily released from the locked state by one person using the pivot, and the removal work can also be done by one person. Easy to do.

According to claim 5, since the direction of the pivot receiving part is not perpendicular to the surface of the door body, even if the stopper etc. is removed,
As long as the opposite side is locked, it is impossible to remove the pivot from the pivot receiving part from the outdoor side, and it is also used for doors that open to the outside, and has excellent security. Also, when installing the door, by keeping the door parallel to the frame, the pivot will not come off from the pivot receiving part, and the attachment of the stopper can be done easily.

[Brief explanation of the drawing]

The drawings show an embodiment of the pivot hinge according to the present invention, and FIG. 1 is an exploded perspective view, FIG. 2 is a partially cutaway side view showing the state in which the door is attached to the frame and the door is attached, and FIG. is a plan view showing the state of the upper hinge body when the door is attached to the frame,
Figure 4 is a plan view showing the installation of the lower hinge body to the door, Figure 5 is a perspective view showing installation in progress, and Figure 6 is a diagram showing the pivot and pivot receiver in the completed installation state. Fig. 7 is a partially cutaway side view showing the coupling structure, Fig. 8 is a bottom view showing the operation of the two claws of the lock 11 during installation work, and Fig. 9 is a pivot using the locking claw. The bottom surface [A] shows the working state of releasing the locked state.

Claims (1)

[Scope of Claims] 1. In a pivot hinge for attaching a door to a door mounting frame so that the door can be opened and closed, an upper hinge body and a lower hinge body are attached to the door attachment frame and the door, respectively, a pivot is attached to the lower hinge body, and an upper hinge body is attached. A notch-shaped pivot receiving part is provided in which the pivot is fitted by moving laterally, and a stop is attached to the opening surface of the pivot receiving part to prevent the pivot from coming off in the lateral direction. A pivot hinge characterized by: 2. The pivot hinge according to claim 1, wherein the pivot is rotatably attached to the lower hinge body via a bearing. 3. On the upper hinge body provided with the pivot receiving part, a locking pawl that holds the pivot between the pivot receiving part and the pivot receiving part is rotatable about a fulcrum and in a direction in which the pivot is locked by a spring. Claim 1 characterized in that the locking pawl is attached with a force and that an inclined surface is provided on the outside of the tip of the locking pawl to allow the locking pawl to open laterally against the force of a spring by pushing the pivot. Or the pivot hinge described in 2. 4. By rotating the locking claw on the upper hinge body provided with the pivot receiving part against the force of the spring,
4. The pivot hinge according to claim 3, further comprising a screw for releasing the pivot locking state. 5. The pivot hinge according to claim 1 or 2, wherein the pivot receiving portion is provided in a direction that is not perpendicular to the surface of the door body.