JP3237598U - Insertion / removal hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a insertion / removal hinge capable of easily attaching a first member to which a shaft is fixed to a frame body or the like and preventing the shaft from being lifted together with a door. SOLUTION: A first hinge member 11 having a receiving portion 11a for supporting a shaft 13 and a second hinge member 12 having a receiving portion 12a which can be inserted and removed from the shaft 13 and which can rotate around the shaft 13 are provided. In the provided insertion / removal hinge 1, the shaft 13 is arranged substantially in front of the mounting hole 6b of the mounting piece 4b of the first hinge member 11 in the direction of the center line, and the shaft 13 can be detached from the receiving portion 11a of the first hinge member 11. Is fixed to. [Selection diagram] Fig. 2

Description

The present invention relates to a hinge for inserting and removing the door so that the door can be rotated and removed with respect to the frame body.

Conventionally, a hinge for inserting and removing a hinge has been used to make the door rotatable and removable with respect to the frame body (see Patent Document 1).

The insertion / removal hinge of Patent Document 1 includes a first hinge member attached to a frame body and a second hinge member attached to a door. The first hinge member has a cylindrical knuckle (receiving portion) into which a shaft is inserted and fixed, and a mounting piece on which a mounting hole is formed. The second hinge member has a cylindrical knuckle (receiving portion) that can be inserted and removed from the shaft, and a mounting piece on which a mounting hole is formed.

The second hinge member and the door rotate about a shaft fixed to the first hinge member. By lifting the second hinge member and the door, the second hinge member can be pulled out from the shaft. Therefore, the door can be removed from the frame.

Japanese Unexamined Patent Publication No. 2000-179219

In the conventional insertion / removal hinge, the shaft is in a position where it does not get in the way, that is, the shaft is the mounting piece of the first hinge member so that the shaft can be attached to the frame body after the shaft is fixed to the first hinge member. It is placed at a position off the front in the direction of the center line of the mounting hole.

However, it may be desired to arrange the shaft in front of the mounting hole of the mounting piece of the first hinge member in the direction of the center line. For example, this is to reduce the size of the insertion / removal hinge and to improve the appearance. In this case, the shaft becomes an obstacle and the first hinge member cannot be attached to the frame. However, if the shaft is pulled out of the first member, when the door is lifted, the shaft will be lifted together with the door, even though it is lifted to a position where the door can be removed. , The door cannot be removed from the frame.

The present invention has been made in view of the above problems, and the first member to which the shaft is fixed can be easily attached to a frame or the like, and the shaft can be prevented from being lifted together with the door. The purpose is to provide hinges.

In order to solve the above problems, the present invention has a first hinge member having a receiving portion for supporting the shaft, and a second hinge member having a receiving portion that can be inserted and removed from the shaft and is rotatable about the shaft. The shaft is arranged substantially in front of the mounting hole of the mounting piece of the first hinge member in the direction of the center line, and the shaft can be detached from the receiving portion of the first hinge member. It is a hinge that is fixed to.

According to the present invention, since the shaft can be pulled out from the first hinge member, the first hinge member can be easily attached to the frame body. Further, since the shaft can be fixed to the first hinge member after the first hinge member is attached to the frame body or the like, it is possible to prevent the shaft from being lifted together with the door.

It is a figure which shows the door and the frame body using the insertion / removal hinge of one Embodiment of this invention. It is an exploded perspective view of the insertion / removal hinge of this embodiment. It is an exploded perspective view of the insertion / removal hinge of this embodiment. It is a vertical cross-sectional view of the insertion / removal hinge of this embodiment (FIG. 4 (a) is a vertical cross-sectional view seen from the front side, and FIG. 4 (b) is a vertical cross-sectional view seen from the side surface side). It is sectional drawing of the 1st hinge member of the insertion / removal hinge of this embodiment. It is a vertical cross-sectional view of the first hinge member of the insertion / removal hinge of this embodiment (FIG. 6 (a) is a vertical cross-sectional view seen from the front side, and FIG. 6 (b) is a vertical cross-sectional view seen from the side surface side. be). It is a vertical cross-sectional view which shows the other example of the 1st hinge member of the insertion / removal hinge of this embodiment.

Hereinafter, the insertion / removal hinge of the embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the insertion / removal hinge of the present invention can be embodied in various forms, and is not limited to the embodiments described in the specification. The present embodiment is provided with the intent of allowing a person skilled in the art to fully understand the invention by adequately disclosing the specification.

FIG. 1 shows a door 2 and a frame 3 using a hinge 1 for insertion / removal according to an embodiment of the present invention. A pair of upper and lower hinges 1 are arranged on the hanging side of the door 2. The insertion / removal hinge 1 includes a first hinge member 11 and a second hinge member 12. The first hinge member 11 is attached to the inner surface 3a of the side frame. The second hinge member 12 is attached to the door 2. The door 2 is rotatable around the shaft 13 (see FIG. 2) of the insertion / removal hinge 1. There is a gap g between the door 2 and the upper frame 3b so that the second hinge member 12 can be pulled out from the shaft 13 by lifting the door 2.

FIG. 2 shows an exploded perspective view of the insertion / removal hinge 1 of the present embodiment. 11 is a first hinge member, 12 is a second hinge member, and 13 is a shaft.

The first hinge member 11 includes a main body 4 and a fixed cam 5. The main body 4 has a substantially cylindrical receiving portion main body 4a and a plate-shaped mounting piece 4b integrally formed with the receiving portion main body 4a. The receiving portion 11a that supports the shaft 13 is configured by the receiving portion main body 4a and the fixed cam 5.

The second hinge member 12 includes a main body 7 and a movable cam 8. The main body 7 includes a substantially cylindrical receiving portion main body 7a, a first mounting piece 7b integrally formed with the receiving portion main body 7a, and a second mounting piece 7c that cooperates with the first mounting piece 7b to sandwich the door. , Equipped with. The receiving portion main body 7a and the movable cam 8 form a receiving portion 12a that can be inserted into and removed from the shaft 13. Hereinafter, the configurations of the first hinge member 11 and the second hinge member 12 will be described in detail.

As shown in FIG. 3, a fitting hole 14 into which the fixed cam 5 is fitted is formed in the receiving portion main body 4a of the main body 4 of the first hinge member 11. As shown in the vertical cross-sectional view of FIG. 4, the fitting hole 14 includes a large-diameter hole portion 14a and a small-diameter hole portion 14b. Positioning grooves 14c are formed in the small-diameter hole portion 14b at intervals of, for example, 90 degrees (see the cross-sectional view of FIG. 5). A through hole 16 through which a set screw 15 is passed is formed at the bottom of the receiving portion main body 4a.

As shown in FIG. 3, a mounting piece 4b is integrally formed on the receiving portion main body 4a. The mounting piece 4b has a plate shape and extends vertically from the receiving portion main body 4a. For example, two mounting holes 6a and 6b are formed on the receiving piece 4b above the receiving portion main body 4a. For example, one mounting hole 6c is formed on the receiving piece 4b below the receiving portion main body 4a. The first hinge member 11 is attached to the frame body 3 by passing a fastening member such as a screw (not shown) through the mounting holes 6a, 6b, 6c and screwing the fastening member into the frame body 3.

The fixed cam 5 has a large diameter portion 5a and a small diameter portion 5b. On the upper surface of the large diameter portion 5a, for example, a cam surface 17 that repeats the peak portion 17a and the valley portion 17b at a cycle of 90 degrees is formed. Positioning protrusions 5c are formed on the small diameter portion 5b at intervals of, for example, 90 degrees (see the cross-sectional view of FIG. 5).

The fixed cam 5 is formed with a shaft hole 18 into which the shaft 13 is inserted. A pair of parallel flattening portions 13a are formed at the lower end portion of the shaft 13. In order to prevent the shaft 13 from rotating, a pair of flat portions 18a compatible with the flat portion 13a of the shaft 13 are formed on the inner surface of the shaft hole 18 (see the cross-sectional view of FIG. 5). As shown in FIG. 4A, the fixed cam 5 is formed with a bottom portion 19 on which the lower end of the shaft 13 is placed. A through hole 19a for the set screw 15 is formed in the bottom portion 19.

At the lower end of the shaft 13, a screw hole 13b into which the set screw 15 is screwed is formed. The fixed cam 5 is fitted into the fitting hole 14 of the receiving portion main body 4a, and the shaft 13 and the fixed cam 5 are fastened together with the receiving portion main body 4a by the set screw 15 in a state where the shaft 13 is inserted into the fixed cam 5.

As shown in FIG. 6, the shaft 13 is arranged substantially in front of the mounting hole 6b of the mounting piece 4b of the first hinge member 11 in the direction of the center line (1). That is, if the first hinge member 11 in a state where the shaft 13 is fixed is to be attached to the frame body 3 by using a fastening member such as a screw, the shaft 13 is arranged at a position that becomes an obstacle. In order to prevent the shaft 13 from getting in the way, as will be described later, after attaching the first hinge member 11 in a state where the shaft 13 and the fixing cam 5 are not fixed to the frame body 3, a set screw 15 is used. The shaft 13 and the fixing cam 5 are fixed to the first hinge member 11.

As shown in FIG. 3, a fitting hole 20 into which the movable cam 8 is fitted is formed in the receiving portion main body 7a of the main body 7 of the second hinge member 12. The movable cam 8 is press-fitted into the fitting hole 20 of the receiving portion main body 7a. The configuration of the fitting hole 20 of the second hinge member 12 is substantially the same as the fitting hole 14 of the first hinge member 11. As shown in the vertical cross-sectional view of FIG. 4, the fitting hole 20 includes a large-diameter hole portion 20a and a small-diameter hole portion 20b. Positioning grooves 20c are formed in the small diameter hole portion 20b at intervals of, for example, 90 degrees.

As shown in FIG. 3, the mounting piece 7b is integrally formed with the receiving portion main body 7a of the second hinge member 12. The mounting piece 7c cooperates with the mounting piece 7b to sandwich the door 2. The configuration of the mounting pieces 7b and 7c is not limited to this, and for example, a mounting hole may be formed in the mounting piece 7b and the mounting piece 7c may be omitted.

The movable cam 8 includes a large diameter portion 8a and a small diameter portion 8b. The configuration of the movable cam 8 is substantially the same as the configuration of the fixed cam 5. On the lower surface of the large diameter portion 8a of the movable cam 8, for example, a cam surface 21 that repeats the peak portion 21a and the valley portion 21b at a cycle of 90 degrees is formed. Positioning protrusions 8c are formed on the small diameter portion 8b, for example, at intervals of 90 degrees. The positioning protrusion 8c fits into the positioning groove 20c of the fitting hole 20 of the receiving portion main body 7a (see FIG. 4A). As shown in FIG. 4A, the movable cam 8 is formed with a shaft hole 22 into which the shaft 13 is inserted.

The method of assembling the insertion / removal hinge 1 of the present embodiment will be described. First, the movable cam 8 is press-fitted into the receiving portion main body 7a of the second hinge member 12. The rotational position of the movable cam 8 with respect to the receiving portion main body 7a is adjusted by the positioning protrusion 8c and the positioning groove 20c. Then, the second hinge member 12 is attached to the door 2 by using the attachment pieces 7b and 7c.

Next, using the mounting holes 6a, 6b, 6c of the first hinge member 11, the first hinge member 11 is attached to the frame 3 using the fastening member. At this time, the fixed cam 5 and the shaft 13 are not fixed to the first hinge member 11.

Next, the fixed cam 5 is fitted into the fitting hole 14 of the receiving portion main body 4a of the first hinge member 11, the shaft 13 is inserted into the shaft hole 18 of the fixed cam 5, and the set screw 15 is used to connect the fixed cam 5 to the shaft 13. The fixed cam 5 is fastened together with the receiving portion main body 4a of the first hinge member 11.

Finally, the door 2 is lifted, the lifted door 2 is lowered, and the shaft 13 is inserted into the shaft hole 22 of the movable cam 8 of the second hinge member 12. This completes the assembly of the insertion / removal hinge 1.

In the state where the door 2 is assembled, the door 2 can rotate about the shaft 13. When the door 2 is in the closed position, the valley portion 17b of the fixed cam 5 and the valley portion 21b of the movable cam 8 come into contact with each other. When the door 2 is opened 90 degrees, the mountain portion 17a of the fixed cam 5 and the mountain portion 21a of the movable cam 8 come into contact with each other, and the door 2 rises. When the hand is released from the raised door 2, the door 2 automatically rotates to the closed position due to its own weight.

When removing the door 2, lift the door 2. When the door 2 is lifted, the receiving portion 12a of the second hinge member 12 comes out of the shaft 13, so that the door 2 can be removed.

The configuration and assembly method of the insertion / removal hinge 1 of the present embodiment have been described above. According to the insertion / removal hinge 1 of the present embodiment, the following effects are obtained.

Since the shaft 13 can be pulled out from the first hinge member 11, the first hinge member 11 can be easily attached to the frame body 3. Further, since the shaft 13 can be fixed to the first hinge member 11 after the first hinge member 11 is attached to the frame body 3, it is possible to prevent the shaft 13 from being lifted together with the door 2.

Since the first hinge member 11 includes the fixed cam 5 and the second hinge member 12 includes the movable cam 8, the door 2 can be automatically closed by its own weight. Further, the fixed cam 5 is fitted into the fitting hole 14 of the receiving portion main body 4a of the first hinge member 11, and the movable cam 8 is fitted into the fitting hole 20 of the receiving portion main body 7a of the second hinge member 12. Therefore, the amount of lifting of the door 2 when the door 2 is removed can be reduced.

Since the shaft 13 and the fixed cam 5 are fastened together to the receiving portion main body 4a of the first hinge member 11 by using the set screw 15 screwed to the shaft 13, the shaft 13 and the fixed cam 5 are received by the first hinge member 11. It can be easily attached to and detached from the main body 4a.

FIG. 7 shows another example of the first hinge member 11. In the above embodiment, the shaft 13 and the fixing cam 5 are fastened together to the receiving portion main body 4a of the first hinge member 11 by using the set screw 15 screwed to the shaft 13, whereas in this example, the first hinge is used. The fixed cam 33 is press-fitted into the fitting hole 32 of the receiving portion main body 31a of the member 31, and the shaft 34 is fixed to the shaft hole 35 of the fixed cam 33 by snap-fitting.

An elastically deformable claw portion 33a is formed on the fixed cam 33. A circumferential groove 34a that can be engaged with the claw portion 33a of the fixed cam 33 is formed on the shaft 34. If the shaft 34 is inserted into the shaft hole 35 of the fixed cam 33, the shaft 34 can be fixed to the fixed cam 33 by the snap fit between the claw portion 33a and the circumferential groove 34a.

The present invention is not limited to being embodied in the above embodiment, and can be embodied in other embodiments without changing the gist of the present invention.

In the above embodiment, the first hinge member is attached to the frame body and the second hinge member is attached to the door, but the first hinge member can be attached to the door and the second hinge member can be attached to the frame body.

In the above embodiment, the fixed cam is fitted to the receiving portion main body of the first hinge member, and the movable cam is fitted to the receiving portion main body of the second hinge member. The shaft may be directly detachably fixed to the cylindrical receiving portion of the hinge member, and the tubular receiving portion of the second hinge member may be directly inserted and removed from the shaft.

In the above embodiment, the shaft is fixed to the receiving portion of the first hinge member by the set screw arranged at the bottom of the receiving portion of the first hinge member, but the shaft is arranged on the wall portion of the receiving portion of the first hinge member. The shaft may be fixed to the receiving portion of the first hinge member by the set screw.

1 ... Insertion / removal hinge 4a ... First hinge member receiving portion main body 4b ... First hinge member mounting piece 5 ... Fixed cam 6b ... First hinge member mounting hole 7a ... Second hinge member receiving portion main body 8 ... Movable cam 11 ... First hinge member 11a ... First hinge member receiving portion 12 ... Second hinge member 12a ... Second hinge member receiving portion 13 ... Shaft 14 ... First hinge member fitting hole 15 ... Set screw 18 ... Fixed Cam shaft hole 20 ... Fitting hole 22 for the second hinge member ... Movable cam shaft hole

Claims (3)

A first hinge member having a receiving part that supports the shaft,
In a insertion / removal hinge having a receiving portion that can be inserted / removed from the shaft and a second hinge member that can rotate around the shaft.
The shaft is arranged substantially in front of the mounting hole of the mounting piece of the first hinge member in the direction of the center line.
An insertion / removal hinge in which the shaft is detachably fixed to the receiving portion of the first hinge member. The receiving portion of the first hinge member includes a fixed cam that is fitted into a fitting hole of the receiving portion main body of the first hinge member.
The receiving portion of the second hinge member is fitted into a fitting hole of the receiving portion main body of the second hinge member, and includes a movable cam facing the fixed cam.
The insertion / removal hinge according to claim 1, wherein the shaft is inserted into the shaft hole of the fixed cam and the shaft hole of the movable cam. The insertion / removal hinge according to claim 2, wherein the shaft and the fixing cam are jointly fastened to the receiving portion main body of the first hinge member by a set screw screwed to the shaft.

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