JP2002188366A - Door frame clearance adjuster - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door frame clearance adjuster capable of increasing a mounting strength for installing a door frame onto the mounting surface of a mounting body such as a wall body and convenient for further increasing the reliability of mounting. SOLUTION: This door frame clearance adjuster 1 comprises a mounting device 2, a female screw tubular member 6, and a male screw adjusting shaft-like member 8. The mounting device 2 comprises a contact surface 20 brought into contact with one of an installation body 200 and a door frame 200, and is fixed to one of the installation body and the door frame with a fixing screw member 9. The female screw tubular member 6 is fixed to the other of the installation body 100 and the door frame 100, and comprises a tubular part 61 having a through-hole 60 extendedly provided along the longitudinal direction thereof and a female screw part 62 extendedly provided on the inner peripheral part of the through-hole 60 along the longitudinal direction thereof. The male screw adjusting shaft-like member 8 is held to be idled on the mounting device 2, comprises a male screw part 81 threaded with the female screw part 62 of the female screw tubular member 6, and reduces a clearance interval (d) by the rotation of the screw in one direction and increases the clearance interval (d) by the rotation of the screw in the other direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door frame clearance adjuster. The door frame gap adjuster adjusts a gap between a door frame in which the door is held so that the door can be opened and closed and a mounting body on which the door frame is mounted.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 7-189556 discloses a door frame clearance adjuster. The door frame gap adjuster is provided between a door frame that holds the door so that it can be opened and closed, and a mounting body such as a wall on which the door frame is mounted, and adjusts a gap between the door frame and the mounting body. It is. As shown in FIG. 4, the door frame gap adjuster has a contact surface 510 applied to the mounting surface 210 of the mounting body 200 such as a wall, and is fixed to the mounting body 200 by a fixing screw member 400. 500 and a plate-shaped member 6 fixed to the through hole 101 of the door frame 100 and formed by bending a thin plate material into a U-shaped cross section and having a female screw portion 610.
00, and a male screw part 720 whose one end in the axial direction is held by the fixture 500 so as to be able to idle, and the other end in the axial direction is screwably engaged with the female screw part 610 of the plate-shaped member 600.
Male screw adjusting member 700 having In this embodiment, the gap d1 between the mounting surface 210 of the mounting body 200 and the door frame 100 can be adjusted to be small by screwing the male screw adjusting member 700 in one direction around the center axis thereof. . Further, by screwing the male screw adjusting member 700 around the center axis of the male screw adjusting member in the other direction, the gap d1 can be adjusted so as to increase.

[0003]

In the above-described door frame gap adjuster, the gap d1 between the mounting surface 210 of the mounting body 200 and the door frame 100 can be adjusted by screwing the male screw adjusting member 700. Therefore, the door frame 100 that holds the door so that the door can be opened and closed can be appropriately mounted on the mounting surface 210 of the mounting body 200 such as a wall. Further, even if the door frame 100 or the like is distorted after being attached to the door frame 100, if the male screw adjusting member 700 is rotated by a screw, the clearance d1 between the mounting body 200 and the door frame 100 can be increased. Can be adjusted, and distortion of the door frame 100 or the like can be easily dealt with.

However, in the above-described door frame gap adjuster, although the plate-shaped member 600 is bent in a U-shape, the strength is not necessarily sufficient because it is formed of a thin plate. Further, since the plate member 600 is formed of a thin plate, the female screw portion 610 of the plate member 600 is formed.
Is short. For this reason, the plate member 60
0 female thread 610 and male thread 72 of male thread member 700
The screwing distance with 0 is quite short, and the screwing strength is not always sufficient. Furthermore, in order to secure the appearance, the size of the mounting hole 101 of the door frame 100 cannot be increased, so that the size B of the rear concave portion 640 of the plate-shaped member 600 is restricted. Nevertheless, since the structure in which both the fixing screw member 400 and the male screw adjusting member 700 are accommodated in the rear concave portion 640 of the plate-shaped member 600 is adopted,
It is necessary to shorten the distance C between the hole 660 through which the fixing screw member 400 is inserted and the hole 670 through which the male screw adjusting member 700 is inserted, and to make them close together. Further, among the plate-like members 600,
It is necessary to shorten the distance C1 between the hole 660c through which the fixing screw member 400 is inserted and the hole 670c having the female screw 610 through which the male screw adjusting member 700 is inserted, and to make them closer. When the hole 660 and the hole 670 approach each other in the fixture 500 as described above, there is a limit in securing the strength of the fixture 500. Further, when the hole 660c and the hole 670c approach each other in the plate member 600, there is a limit in securing the strength of the plate member 600 because the hole openings approach each other.

Accordingly, in the door frame gap adjuster according to the above publication, the door frame 10
However, the mounting strength for mounting 0 is not always sufficient, and further improvement in mounting reliability has been demanded.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and it is possible to increase the mounting strength for mounting a door frame on a mounting surface of a mounting body such as a wall, and it is advantageous for further improving the mounting reliability. Providing a gap adjuster is an issue to be solved.

[0007]

SUMMARY OF THE INVENTION A door frame gap adjuster according to the present invention is a door frame for adjusting a gap between a door frame which holds a door so that the door can be opened and closed and a mounting body on which the door frame is mounted. A clearance adjuster having a contact surface that is applied to one of a mounting surface and a door frame of the mounting body, and a mounting tool fixed to the one side by a fixing screw member; A cylindrical portion having a through hole fixed along one of the surface and the door frame and extending along its own axial length direction and an inner peripheral portion of the through hole of the cylindrical portion along the axial length direction. A female threaded cylindrical member having a female threaded portion extended in the axial direction, and a male threaded portion that is rotatably screwed to the female threaded portion of the female threaded cylindrical member, one end of which is held in the axial direction in an axially rotatable manner by the fixture. Have, and reduce the gap interval by screw rotation in one direction around the center axis,
And a male screw adjusting shaft member for increasing a gap interval by screw rotation around the center axis in the other direction.

According to the door frame gap adjuster according to the present invention, the female screw cylindrical member has a cylindrical portion having a through hole extending along the axial direction, and an inner periphery of the through hole of the cylindrical portion. And a female screw portion extending along the axial length direction. As described above, since the female screw portion of the female screw cylindrical member extends along the axial length direction, if the female screw portion of the female screw cylindrical member and the male screw portion of the male screw adjusting shaft member are screwably screwed together. In addition, a long screwing distance between the female screw portion of the female screw cylindrical member and the male screw portion of the male screw adjusting shaft member is ensured. As a result, the screwing strength between the female screw portion of the female screw cylindrical member and the male screw portion of the male screw adjusting shaft member is secured.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A door frame gap adjuster according to the present invention
At least one of the following forms can be adopted. The mounting fixture may be fixed to a mounting surface of the mounting body such as a wall, and the female screw cylindrical member may be fixed to a door frame. In some cases, it is possible to adopt a form in which the mounting fixture is fixed to the door frame and the female screw cylindrical member is fixed to the mounting surface of the mounting body. The door frame has a frame shape arranged outside the door. The mounting body is for mounting a door frame, and examples thereof include a partition wall such as a partition board and a structural wall of a building structure such as a house and a pill. The female screw tubular member may adopt a form in which a rotation preventing means for preventing rotation of the female screw tubular member when the female screw tubular member is held by the door frame is provided.
As the rotation preventing means, a protruding ridge extending along the axial length direction of the female screw cylindrical member can be adopted. Thereby, the fixing strength for fixing the female screw cylindrical member to the door frame is further ensured by the ridges. The number of ridges can be appropriately selected, but may be plural. -The material of the female screw cylindrical member may be resin or metal, and is not particularly limited. When the female screw cylindrical member is made of resin, it can be formed of a resin molded product such as an injection molded product. When the female screw cylindrical member is made of metal, it can be formed of a sintered product, a forged product, a cast product, or the like. -It is preferable that the female screw cylindrical member has a flange portion that makes one round around the center axis thereof. When the flange portion of the female screw cylindrical member abuts and engages with either the mounting surface of the mounting body or the door frame, the fixing strength for fixing the female screw cylindrical member to the one side is further ensured. A mode in which a cylindrical collar for suppressing the inclination of the posture of the fixing screw member for fixing the fixture to one of the mounting surface of the mounting body and the door frame can be adopted. The tubular collar may be separate from or integral with the fixture. The inclination of the posture of the fixing screw member can be suppressed by the cylindrical collar. Therefore, the fixing strength for fixing the fixture to one of the attachment surface of the attachment and the door frame can be secured.
In this case, it is preferable that the tubular collar is held in advance by the fixture before the door frame gap adjuster is attached to the door frame and the mounting body. If the cylindrical collar is held in advance by the fixture as described above, the inclination of the posture of the fixing screw member can be suppressed more reliably. The material of the cylindrical collar may be resin or metal, and is not particularly limited. The form in which the cylindrical collar for suppressing the inclination of the posture of the fixing screw member is disposed outside the through hole of the female screw cylindrical member at a position separated from the through hole can be adopted. In this case, the position of the fixing screw member can be separated from the through hole of the female screw cylindrical member. -When fixing a fixture to any one of the mounting surface of the mounting body and the door frame, a form in which a biting engagement portion that is press-fitted into the one and bites into the one can be adopted. Since the biting engagement portion of the mounting tool is press-fitted into one of the mounting surface and the door frame of the mounting body, the strength for mounting the biting engagement portion of the mounting tool to the one is ensured. The bite engagement portion may be in the form of a protrusion. The number of biting engagement portions is not particularly limited, and may be one or more. It is preferable that the male screw adjusting shaft-shaped member is provided with an engaging portion for rotating the male screw adjusting shaft-shaped member around its center axis. In this case, it is easy to rotate the male screw adjusting shaft member about its center axis. The position where the engaging portion is provided is not particularly limited,
For example, it can be provided on the shaft end side of the male screw adjusting shaft member. The engaging portion can be provided at a position visible from the outside of the door frame. -It is preferable that the male screw adjusting shaft-shaped member has an inclination suppressing portion that suppresses unnecessary tilt of the center axis of the male screw adjusting shaft-shaped member with respect to the fixture. In this case, it is advantageous for the male screw adjusting shaft-shaped member to be favorably rotated with respect to the fixture. It is preferable that the inclination suppressing portion extends along a direction perpendicular to the axis of the male screw adjusting shaft member. In particular, it is possible to adopt a form in which the inclination suppressing portion is in the form of a flange that makes one round around the male screw adjusting shaft-shaped member.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to FIGS. FIG. 1 is an exploded perspective view of the door frame gap adjuster 1, and FIG.
FIG. 3 is a cross-sectional view showing a state in which the gap d between the mounting member 200 and the mounting body 200 is adjusted to be large, and FIG.
FIG. 4 is a cross-sectional view showing a state in which the gap d between the door frame 100 and the mounting body 200 is adjusted to be small. The door frame gap adjuster 1 according to the present embodiment is provided between a door frame 100 in which a door is held so that the door can be opened and closed and a mounting body 200 such as a wall on which the door frame 100 is mounted. This is for adjusting the gap d between the frame 100 and the mounting body 200.

The door frame gap adjuster 1 includes a fixture 2, a female screw cylindrical member 6, and a male screw adjusting shaft member 8. The attachment 2 is formed of a metal plate having a substantially square flat shape with rounded corners, and a mounting member 20 such as a wall.
It has an abutment surface 20 that abuts on the zero mounting surface 210.
The contact surface 20 has an angle Δ toward the mounting body 200 such as a wall.
e A plurality of biting engagement portions 22 formed by bulging are formed, and a concave portion 23 is formed at a position opposite to the biting engagement portion 22. The bite engagement portion 22 is the mounting fixture 2
Are two by two arranged on each side 2w ₁ ~2w ₄ of. Since the biting engagement portion 22 is bulged, it has a reinforcing rib function, and also strengthens the attachment 2. Further, the mounting fixture 2 is formed with a single raised portion 25 which is bulged in a direction away from the mounting body 200 such as a wall, that is, in the direction of the arrow S. The raised portion 25 has a hole 25c passing therethrough. On the opposite side of the raised portion 25, a rear concave portion 26 formed by bulging the raised portion 25 is formed. The rear recess 26 faces the mounting surface 210 of the mounting body 200.

Further, the attachment 2 is formed with an insertion hole 27 penetrating in the thickness direction of the attachment 2. Cylindrical collar 3
By press-fitting the distal end portion 3a into the insertion hole 27, the cylindrical collar 3 is held in the attachment 2 in advance. The cylindrical collar 3 is made of metal or hard resin, and has a screw insertion hole 30 penetrating in the axial direction thereof, a cylindrical outer peripheral surface 32,
And a shaft end surface 34. The screw insertion hole 30 of the cylindrical collar 3 faces the insertion hole 27 of the fixture 2 and communicates with each other.

The female screw cylindrical member 6 is made of metal or hard resin, and has a through hole 6 extending along the axial direction thereof.
A cylindrical portion 61 having a zero and a female screw portion 62 extending along the axial direction on the inner peripheral portion of the through hole 60 of the cylindrical portion 61 are provided. The shaft length L of the female screw portion 62 corresponds to the shaft length of the female screw cylindrical member 6. The cylindrical portion 61 of the female screw cylindrical member 6 has a contact flange portion 63 that extends in the direction perpendicular to the axis and has a large ring shape on the side facing the mounting body 200. On the outer peripheral portion of the cylindrical portion 61 of the female screw cylindrical member 6, a plurality of ridges 65 extending in the axial direction are formed dispersedly in the circumferential direction of the cylindrical portion 61. The cross section of the ridge 65 has a triangular shape with an engagement surface 65a, and has a point 65c on the radial outside. The point 65c of the ridge 65 enhances the biting property of the mounting hole 101 of the door frame 100 into the inner wall surface, and can function as a door frame biting promoting means.

The male screw adjusting shaft member 8 is made of metal or hard resin, and has a protrusion 80 formed at one end in the axial direction.
A shaft portion 82 having a male screw portion 81 having a screw diameter similar to the screw diameter of the female screw portion 62 of the female screw cylindrical member 6, and a shaft extending in a direction perpendicular to the axis and having a diameter larger than the outer diameter of the shaft portion 82. And a flange portion 83 having a ring shape. The other end of the shaft portion 82 facing away from the mounting body 200 is provided with a male screw adjusting shaft member 8.
An engagement portion 85 is formed for rotating the shaft around the center axis P1. The engaging portion 85 is engaged with a screwdriver such as a screwdriver, and has a groove shape. The engaging portion 85 is a plus-shaped groove.

The projection 80 of the male screw adjusting shaft 8 is inserted into the rear recess 26 through the hole 25c of the raised portion 25. In this state, it is held in advance on the fixture 2 by a stop washer 87 functioning as a holding member. In the state in which the male screw adjusting shaft member 8 is held by the raised portion 25 of the fixture 2 by the stop washer 87, the male screw adjusting shaft member 8 is allowed to idle around the central axis P1. I have. In this state, since the flange portion 83 of the male screw adjusting shaft-shaped member 8 abuts on or can be in contact with the surface of the raised portion 25 of the mounting fixture 2, the male screw adjusting shaft-shaped member 8 is in contact with the raised portion 25 of the mounting fixture 2. Unnecessary inclination of the center axis P1 can be suppressed. Therefore, the slipping property of the male screw adjusting shaft-shaped member 8 held by the mounting fixture 2 is favorably maintained. Therefore, the flange portion 83 of the male screw adjusting shaft 8 is
It can function as an inclination suppressing part that suppresses unnecessary inclination of the center axis P1 of the male screw adjustment shaft-shaped member 8 with respect to the raised part 25 of the fixture 2. Note that, when the door frame gap adjuster 1 housed in the rear recess 26 opposite to the raised portion 25 is attached to the mounting body 200 and the door frame 100 at the distal ends of the stop washer 87 and the projection 80, the mounting holes are provided. 101, the collar insertion hole 102, and the accommodation space 103 are formed in the door frame 100 in advance, or a door frame 100 having the attachment hole 101, the color insertion hole 102, and the accommodation space 103 is used. The attachment hole 101 and the collar insertion hole 102 penetrate the door frame 100 in the thickness direction. Housing space 10 formed in door frame 100
3 is provided so that the fixture 2 can be accommodated in the door frame 100 at a position facing the mounting body 200. And
The female screw cylindrical member 6 is inserted into the door frame 1 with a driving tool such as a hammer or a mallet.
00, the female screw cylindrical member 6 is pressed into the mounting hole 101 of the door frame 100 and mounted. At this time, the ridge 65 of the female screw cylindrical member 6 bites into and engages with the inner wall surface 101k of the mounting hole 101 of the door frame 100.
01 is secured. The contact flange 63 of the female screw cylindrical member 6 is attached to the mounting body 200 of the door frame 100.
Is fixed to the peripheral edge 101m of the mounting hole 101 facing the inside, so that the female screw cylindrical member 6 can be held more easily with respect to the door frame 100.

Further, the screw insertion of the cylindrical collar 3 fixed to the fixture 2 is performed by using a fixing screw member 9 having a shaft portion 93 having a male screw portion 9c and a head portion 94 on the base end side of the shaft portion 93. The fixing screw member 9 is passed through the hole 30. Further, the fixing screw member 9 is rotated by a tool such as a screwdriver, and the distal end of the male screw portion 9c of the fixing screw member 9 is attached to the mounting surface 21
Screw it to zero. As a result, the abutment surface 20 of the attachment 2 is fixed in a state in which it abuts on the attachment surface 210 of the attachment 200. At this time, the bite engagement portion 22 of the attachment 2
00 and press-fit into the mounting surface 210 of
And the mounting strength of the mounting body 200 is secured. Since the stop washer 87 is housed in the rear concave portion 26 of the fixture 2, the stop washer 87 does not interfere with the mounting body 200.

In this embodiment, the male screw adjusting shaft member 8 is used.
An engaging portion having a shape similar to or similar to the engaging portion 85 provided on the head portion 94 of the fixing screw member 9 is provided. For this reason, both the mounting operation of the male screw adjusting shaft member 8 and the mounting operation of the fixing screw member 9 can be performed with a single tool such as a screwdriver, and many tools are not required.

In this embodiment, since the fixing screw member 9 inserted into the screw insertion hole 30 of the cylindrical collar 3 is screwed into the mounting surface 210 of the mounting body 200, the inclination of the posture of the fixing screw member 9 by the cylindrical collar 3. Is suppressed. Therefore, it is advantageous to screw the fixing screw member 9 into the mounting surface 210 of the mounting body 200 in a correct posture, that is, it is advantageous to screw the fixing screw member 9 upright into the mounting surface 210 of the mounting body 200, and 2 is secured to the mounting surface 210 of the mounting body 200.

Thereafter, by bringing the door frame 100 closer to the mounting surface 210 of the mounting body 200, the female screw cylindrical member 6 of the door frame 100 and the male screw adjusting shaft member 8 of the fixture 2 are brought closer to each other. Then, a screwdriver such as a screwdriver is passed through the end opening 101a of the mounting hole 101 of the door frame 100,
The male screw adjusting shaft member 8 is inserted into the engaging portion 85 on the shaft end side from the direction of the arrow W. In this state, when the operator rotates the screw driver or the like, the male screw adjusting shaft member 8 is rotated around the central axis P1. Thus, the female screw cylindrical member 6 fixed to the door frame 100
And the male screw portion 81 of the male screw adjusting shaft-shaped member 8 provided on the fixture 2.

When a screwdriver such as a screwdriver is appropriately rotated, the female screw portion 62 of the female screw cylindrical member 6 and the male screw portion 8 of the male screw adjusting shaft member 8 provided on the fixture 2 are provided.
1 rotates spirally. Due to such screw rotation, the mounting body 200
The door frame 100 can be moved closer to or farther from the mounting surface 210 of the mounting member 210, and the gap d between the door frame 100 and the mounting body 200 is adjusted. In other words, the gap d can be increased as shown in FIG. 2 by screwing the male screw adjusting shaft 8 around the center axis P1 in the other direction. In addition, the gap d can be reduced as shown in FIG. 3 by screwing the male screw adjusting shaft member 8 around the central axis P1 in one direction, and the door frame 100 is brought into contact with the mounting surface 210 of the mounting body 200. You can also. The above gap d
May be performed when the door frame 100 is mounted on the mounting body 200, or when the door frame 100 or the mounting body 200 is distorted after the door frame 100 is mounted on the mounting body 200. You may go.

When the door frame 100 is mounted on the mounting body 200, as shown in FIGS. 2 and 3, the male screw adjusting shaft member 8 and the fixing screw member 9 are aligned with each other. And the center axis P2 of the fixing screw member 9 are parallel or substantially parallel to each other.

When the male screw adjusting shaft member 8 is rotated, the flange 83 of the male screw adjusting shaft member 8 is in contact with the surface of the raised portion 25 of the fixture 2 or can be in contact therewith. In addition, unnecessary inclination of the center axis P1 of the male screw adjusting shaft-shaped member 8 with respect to the raised portion 25 of the fixture 2 can be suppressed. Therefore, the rotation operability of the male screw adjusting shaft member 8 held by the attachment 2 is favorably maintained. Since a plurality of ridges 65 extending in the axial direction are formed in the outer peripheral portion of the female screw cylindrical member 6 in the circumferential direction of the cylindrical portion 61, it is attached to the mounting hole 101 of the door frame 100. The female screw cylindrical member 6 is prevented from idling in the mounting hole 101 of the door frame 100. Therefore, the adjustment of the gap d is favorably performed. In order to secure the mounting strength of the door frame 100,
The number and mounting positions of the door frame gap adjusters 1 are appropriately selected according to the size of the door frame 100, the size of the mounting body 200, and the like.

As shown in FIGS. 2 and 3, the engaging portion 85 of the male screw adjusting shaft member 8 can be visually recognized from the outside of the door frame 100 through the mounting hole 101 and engages with a screwdriver such as a screwdriver. It is possible. Further, the head 94 of the fixing screw member 9
Is visible from the outside of the door frame 100 through the collar insertion hole 102 and can be engaged with a screwdriver such as a screwdriver. Therefore, even after the door frame 100 is attached to the mounting body 200, if it becomes necessary to remove the door frame 100 from the mounting body 200, the end opening 10
1a, if a screwdriver such as a screwdriver is inserted through the end opening 102a of the collar insertion hole 102, and the fixing screw member 9 and the male screw adjusting shaft member 8 provided on the fixture 2 are reversely rotated and screwed back. Good.

As described above, in this embodiment,
The female screw cylindrical member 6 extends in the axial direction along a cylindrical portion 61 having a through hole 60 extending along the axial direction and an inner peripheral portion of the through hole 60 of the cylindrical portion 61. And a female thread portion 62 having a distance L. As described above, the female screw portion 62 extending along the axial length direction of the female screw cylindrical member 6 and the male screw portion 81 of the male screw adjusting shaft member 8 are screwably screwed together. A long screwing distance between the female screw portion 62 and the male screw portion 81 of the male screw adjusting shaft-shaped member 8 is ensured, and thus the screwing strength is ensured. Therefore, the mounting body 20 such as a wall
This is advantageous for improving the mounting strength of attaching the door frame 100 to the mounting frame 200, and for improving the mounting reliability of attaching the door frame 100 to the mounting body 200 such as a wall.

Further, in this embodiment, the mounting body 2 such as a wall is provided.
The cylindrical collar 3 for suppressing the inclination of the posture of the fixing screw member 9 for fixing the mounting fixture 2 to the mounting surface 210 of the mounting member 2 is held in the mounting fixture 2 in advance. For this reason, when fixing the mounting fixture 2 to the mounting surface 210 of the mounting body 200, the inclination of the posture of the fixing screw member 9 can be effectively suppressed. Therefore, the fixing screw member 9 is raised upright so that the mounting surface 2 of the mounting body 200 is
This is advantageous for mounting on 10. Therefore, the fixing strength for fixing the mounting fixture 2 to the mounting surface 210 of the mounting body 200 can be ensured.

Further, in this embodiment, when the fixture 2 is fixed to the attachment surface 210 of the attachment 200, the contact surface 20 of the attachment 2 bites and the engagement portion 22 is engaged with the attachment surface 210 of the attachment 200. A mounting body 200 such as a wall for press-fitting and biting
The mounting strength between the mounting member 2 and the mounting member 2 is ensured. When the attachment 2 is made of metal and the biting engagement portion 22 is work-hardened by the bulging process, the bite engagement portion 22 becomes harder with the work hardening. 22 can be effectively pressed into the mounting surface 210 of the mounting body 200, and the mounting strength between the mounting fixture 2 and the mounting body 200 is further enhanced.

In addition, in this embodiment, the cylindrical collar 3
Hole 27 for holding the screw, and the male screw adjusting shaft member 8
Is arranged in a virtual straight line with the raised portion 25 for holding the door frame 100, which can contribute to securing the mounting strength for mounting the door frame 100 to the mounting body 200 such as a wall.

Further, in this embodiment, the fixing screw member 9
The cylindrical collar 3 for suppressing the inclination of the posture is disposed outside the through hole 60 of the female screw cylindrical member 6 at a position separated from the through hole 60. For this reason, the position of the insertion hole 27 which is the mounting position of the cylindrical collar 3 in the mounting tool 2 can be set at the design stage so that the required strength of the mounting tool 2 can be sufficiently secured. Also in this sense, the strength of the mounting fixture 2 is ensured, and it is possible to contribute to ensuring the mounting strength for mounting the door frame 100 to the mounting body 200 such as a wall.

Further, in this embodiment, since the mounting strength for mounting the door frame 100 to the mounting body 200 such as a wall is secured as described above, as shown in FIGS. Only one male screw adjusting shaft-shaped member 8 and one fixed screw member 9 are required for each. For this reason, FIG.
As shown in FIG. 4, the number of parts can be reduced as compared with the prior art shown in FIG. 4 which requires two fixing screw members 400 and one male screw adjusting member 700 per one door frame gap adjusting tool.

(Others) In the above embodiment, the engaging portion 85 provided at the shaft end of the male screw adjusting shaft member 8 is provided.
Is a plus-shaped groove, but is not limited to this.
A groove having a minus shape may be used, or another groove may be used. Further, the engaging portion 85 is not limited to the groove, and may be formed by a protrusion. In short, any portion can be used as long as the male screw adjusting shaft member 8 can be rotated around the center axis P1 by a tool such as a screwdriver. . In the above-described embodiment, the cylindrical collar 3 separate from the fixture 2 is held in advance by the fixture 2, but the fixture 2 is a hard resin integrally molded product, a cast product, a forged product, or the like. In this case, the tubular collar 3 may be formed integrally with the fixture 2. The two bite engagement portions 22 are provided on each side of the fixture 2, but the present invention is not limited thereto, and the bite engagement portions 22 are provided one by one or three on each side of the fixture 2. The bite engagement portion 22 may be provided separately from the attachment 2. The number of the biting engagement portions 22 is not limited, and may be one or more.

In the above-described embodiment, an engaging portion having a shape similar to or similar to the engaging portion 85 of the male screw adjusting shaft member 8 is provided on the head 94 of the fixed screw member 9.
The mounting operation can be performed with a single tool such as a screwdriver, and does not require many tools, but is not limited to this. In some cases, multiple tools can be used as needed. good. Further, an engaging portion having a shape different from that of the engaging portion 85 of the male screw adjusting shaft-shaped member 8 may be provided on the head 94 of the fixing screw member 9. As described above, the engaging portion 85 of the male screw adjusting shaft-shaped member 8 and the engaging portion of the fixing screw member 9 may be a plus-shaped groove, a minus-shaped groove, or a groove in some cases. The present invention is not limited to this, and a protrusion that can be rotated by a tool may be used. In addition, the present invention is not limited to only the embodiments described above and shown in the drawings,
The present invention can be appropriately changed and implemented without departing from the scope of the present invention. The words and phrases described in the embodiments and examples can be described in each claim even if they are part.

(Supplementary Note) The following technical idea can be understood from the above description. The door frame gap adjuster according to any one of the preceding claims, wherein the male screw adjusting shaft-shaped member has an engaging portion that can be accommodated in a through hole of the female screw cylindrical member and can be engaged with a tool. The door frame gap adjuster according to each claim, wherein the male screw adjusting shaft-shaped member has an engaging portion that can be visually recognized from the outside of the door frame and can be engaged with a tool. The door frame gap adjuster according to each claim, wherein the fixing screw member is visible from the outside of the door frame and is engageable with a tool. The door frame gap adjuster according to any one of the preceding claims, wherein the fixing screw member and the male screw adjusting shaft member each have an engaging portion that can be attached and operated by a single tool.

[0033]

According to the door frame gap adjuster according to the present invention,
The female screw cylindrical member includes a cylindrical portion having a through hole extending along the axial direction, and a female screw portion extending along the axial direction on the inner peripheral portion of the through hole of the cylindrical portion. Have. Since the female screw portion extended along the axial length direction of the female screw cylindrical member and the male screw portion of the male screw adjusting shaft member are screwably rotatable in this way, unlike the prior art shown in FIG. The screwing distance between the female screw portion of the female screw cylindrical member and the male screw portion of the male screw adjusting shaft member, and further, the screwing strength between the female screw cylindrical member and the male screw adjusting shaft member is secured.

Further, according to the door frame gap adjuster of the present invention, a fixing screw member for fixing the mounting member to one of the mounting surface of the mounting body and the door frame is used. In the case where the cylindrical collar for suppressing the inclination of the posture is held in advance by the fixture, the inclination of the posture of the fixing screw member can be suppressed when the fixing screw member is attached to the one side. Therefore, it is possible to contribute to securing the mounting strength for mounting the mounting tool to the one side.

Further, when fixing the fixing device to the mounting surface of the mounting body, the mounting device is provided with a biting engagement portion which is pressed into one of the mounting surface of the mounting body and the door frame. Can further contribute to securing the mounting strength for mounting the mounting tool to the one side.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a door frame gap adjuster.

FIG. 2 is a cross-sectional view showing a state in which a gap is adjusted to be relatively large by a door frame gap adjuster.

FIG. 3 is a cross-sectional view showing a state where the gap is adjusted to be smaller by a door frame gap adjuster.

FIG. 4 is a cross-sectional view showing a state where a door frame gap adjuster according to the related art is attached to a door frame and a mounting body.

[Explanation of symbols]

In the figure, 1 is a door frame gap adjuster, 100 is a door frame, 200 is a mounting body, 2 is a mounting tool, 20 is a contact surface, 22 is a biting engagement portion, 3 is a cylindrical collar, and 6 is a female screw cylindrical shape. A member, 60 is a through hole, 61 is a cylindrical portion, 62 is a female screw portion, 63 is a contact flange portion, 65 is a ridge portion, 8 is a female screw adjusting shaft-like member, 80 is a protrusion, 81 is a male screw portion, 82 Indicates a shaft portion, 83 indicates a flange portion, 85 indicates an engaging portion, and 9 indicates a fixing screw member.

Claims (5)

[Claims] 1. A door frame gap adjuster for adjusting a gap between a door frame in which a door is held openably and a mounting body on which the door frame is mounted, the mounting surface of the mounting body and the door. A fixture having a contact surface applied to one of the frames, and a fixture fixed to the one by a fixing screw member, and a fixture fixed to the other of the attachment surface of the mounting body and the door frame. A female screw having a cylindrical portion having a through hole extending along its own axial length direction and a female screw portion extending along the axial length direction on an inner peripheral portion of the through hole of the cylindrical portion. A cylindrical member, and one end side in the axial length direction is held by the mounting tool so as to be able to idle,
A male screw portion screwed into the female screw portion of the female screw cylindrical member so as to be screwably rotatable, and the gap interval is reduced by screwing in one direction around the center axis, and the other direction around the center axis is And a male screw adjusting shaft member for increasing the gap interval by screwing the door frame. 2. The cylindrical collar according to claim 1, wherein the fixing collar for fixing the mounting member to one of the mounting surface of the mounting body and the door frame is configured to suppress the inclination of the posture of the fixing screw member. A door frame gap adjuster, which is held in advance by a fixture. 3. The bite engaging portion according to claim 1, wherein when the mounting member is fixed to one of the mounting surface of the mounting body and the door frame, the mounting member is press-fitted into one of the mounting surface and the door frame. Is provided on the mounting fixture. 4. The door frame gap adjuster according to claim 2, wherein the cylindrical collar is arranged outside the through hole of the female screw cylindrical member at a position separated from the through hole. 5. The door frame clearance adjustment according to claim 1, wherein the mounting fixture is fixed to a mounting surface of the mounting body, and the female screw cylindrical member is fixed to the door frame. Utensils.