JP6362912B2 - Damper mounting device for opening and closing windows - Google Patents

Description

  The present invention has a damper such as a gas spring that constantly biases the free end side of the shoji pivotally attached to the frame side in the opening direction, and the mounting portion at both ends of the damper is connected to the shoji or The present invention relates to a damper attaching device for opening and closing a window attached to a frame.

  In the present invention, “shoji” is not limited to doors, windows, and skylights, but is a free end side of a rotating body pivotably attached to a frame side, such as a hatch door of an automobile, or a sliding body. This means a broad sense including a general opening / closing body provided with a damper such as a gas spring that is always biased in the opening direction.

  Conventionally, as this type of window opening / closing damper mounting device, for example, a window opening / closing device described in Japanese Utility Model Publication No. 62-173479 (patent document 1) filed by the applicant of the present application has been cited as a conventional example. The thing of FIG. 15 is known.

  In FIG. 15 of Patent Document 1, one end is attached to the frame side of a building via a bracket, and the other end is attached to a shoji through the bracket, and is freely rotatable using a damper such as a gas spring. The free end of the shoji that is pivotally attached to the door is always urged in the opening direction by the damper, so that the shoji that is closed for the purpose of smoke exhaustion or normal ventilation is released. Accordingly, it is configured to be opened.

The mounting structure of the above-described conventional damper and bracket will be described below with reference to FIG. 12 , which is a horizontal sectional view showing a shoji closed state. In FIG. 12 , 01 is a frame made of a sash or the like attached to an opening of a building, 02 is a shoji that forms a window, and the shoji 02 is pivotally pivoted by a hinge (not shown) at the lower end of the frame 01. It is worn and opened outside. 03 is a damper that constantly biases the free end of the shoji 02 in the opening direction, and is provided between the shoji 02 and the frame 01. One end of the damper 03 is attached to the bracket 04 previously fixed to the shoji 02 with a bolt 05 and a nut 06, and the other end of the damper 03 is similarly attached to the bracket 07 previously fixed to the frame 01 with a bolt 08 and a nut. It is attached with 09. 010 is a screw for fixing the bracket 04 to the shoji 02, and 011 is a screw for fixing the bracket 07 to the frame 01.

  In addition, the mounting structure of the damper and bracket does not use the bolts and nuts described above, but the damper mounting section and bracket are fixed in advance with a pin, and the bracket and frame Also known is a structure that is fixed by screws.

Japanese Utility Model Publication No. 62-173479

However, the window opening and closing device of Patent Document 1 is
(A) Since the brackets 04 and 07 are fixed to the shoji 02 or the frame 01 in advance and the mounting portions of the damper 03 are attached to the brackets 04 and 07 with the bolts 05 and 08 and the nuts 06 and 09, the bracket 04 , 07 In addition to the screwdriver to install the screw with a screw, a mounting tool such as a wrench that tightens the bolt and nut is required, and in the narrow work space in the narrow space (hiding space) of the shoji and the frame, I had a hard time with the fastening work.

  (B) Also, if the damper mounting part and bracket are fixed in advance with a pin, it is difficult to remove the damper from the bracket, so replace the damaged or broken damper with a new one. There was a difficulty in maintenance.

  The present invention is intended to solve the problems (a) and (b) of the conventional example, and by using bolts and nuts for mounting the damper and the bracket, it becomes inexpensive, In the narrow space between the shoji and the frame, the troublesome work of tightening the bolts and nuts with the work tools of the screwdriver and spanner is unnecessary. Also, there is no need for crimping work to fix the damper and bracket with a pin. If the damper is damaged or broken, it can be easily replaced with a new one, and a damper for opening and closing the window is convenient for maintenance. An object is to provide an apparatus.

In order to achieve the above object, the invention of claim 1 of the present invention has a damper such as a gas spring that constantly biases the free end side of the shoji pivotally attached to the frame side in the open direction, a mounting portion having a through-hole formed in both ends of the damper, through the bracket, Ri Na attached to the shoji or frame, the bracket is a cross-section substantially U-shaped, shoji or frame of the bracket At least a screw mounting hole is formed in the mounting piece to be attached to the shaft, and a shaft is fixed to the opposing piece facing the mounting piece, and a through hole of a mounting portion of the damper is fitted into the shaft to support the shaft. And a damper mounting device for opening and closing a window provided with a retaining mechanism so that the mounting portion does not come off the shaft .
The retaining mechanism includes a spacer insertion hole formed in a mounting piece of the bracket and a spacer that can be removably inserted through the spacer insertion hole, and the damper is interposed between the mounting piece of the bracket and the opposing piece. And inserting the spacer into the through hole of the damper mounting portion, inserting the spacer from the spacer insertion hole of the bracket, and abutting the front end surface of the spacer against the damper mounting portion, A damper mounting device for opening and closing a window, wherein the rear end surface is in contact with a shoji or a frame and the mounting portion of the damper is held by the bracket.

  Here, as shown in the embodiment, the “damper” is not limited to the gas spring that expands and contracts the piston rod by the pressure of the high-pressure inert gas sealed in the cylinder, but is a compression coil spring instead of the high-pressure inert gas. These may be used or may be selected as appropriate.

  The “bracket” is preferably made of a rigid metal, but the material is not particularly limited.

The invention according to claim 2 has a damper such as a gas spring that constantly biases the free end side of the shoji pivotally attached to the frame side in the opening direction, and through holes formed at both ends of the damper. The bracket is attached to the shoji or frame through a bracket, the bracket has a substantially U-shaped cross section, and the mounting piece to be attached to the shoji or frame of the bracket has a screw mounting hole. In addition, a shaft is fixed to the opposing piece that faces the mounting piece, and the shaft is pivotally supported by inserting a through hole of a mounting portion of the damper on the shaft so that the mounting portion does not come off the shaft. In the damper mounting device for opening and closing the window provided with a retaining mechanism in
The retaining mechanism is a spacer made of a cylindrical body having a substantially C-shaped cross section. The damper mounting portion is inserted between the bracket mounting piece and the opposing piece, and a through hole in the damper mounting portion is inserted. The shaft is inserted into the bracket, the spacer is inserted between the mounting piece of the bracket and the opposing piece, and held between the bracket, the front end surface of the spacer is brought into contact with the mounting portion of the damper, and the rear end surface is fixed to the bracket. A damper mounting device for opening and closing a window , characterized in that the mounting portion of the damper is held by a bracket in contact with the mounting piece.

According to the first aspect of the present invention, the bolt and the nut are not used for mounting the damper and the bracket, and the cost is low, and the bolt and the nut can be mounted with a tool such as a spanner in a narrow space between the shoji and the frame. The troublesome work of tightening is eliminated. Also, there is no need for crimping work to fix the damper and bracket with a pin. If the damper is damaged or broken, it can be easily replaced with a new one, and a damper for opening and closing the window is convenient for maintenance. An apparatus can be provided. Furthermore, since the through-hole formed in the attachment part of the damper is provided so that the through hole is not removed from the shaft fixed to the opposing piece of the bracket, there is an effect that the damper does not come off from the bracket.
In addition, the retaining mechanism consists of a spacer insertion hole formed in the bracket mounting piece and a spacer that can be removably inserted through the spacer insertion hole, so the structure is simple and the assembly is easy to remove. A stop mechanism can be provided.

According to the invention of claim 2 , in addition to having the effect of the above-mentioned claim 1, the retaining mechanism comprises a spacer made of a cylindrical body having a substantially C-shaped cross section, and the spacer is attached to the bracket mounting piece. Since it is inserted between the opposing pieces and assembled, a retaining mechanism with a simple structure and easy assembly can be provided.

It is a side view in the shoji closed state which shows Embodiment 1 of this invention. It is a front view of the principal part of FIG. FIG. 3 is a horizontal sectional view of FIG. 2. It is a disassembled perspective view of a bracket and a spacer. It is process drawing which showed the state which inserts the attachment part of a damper between the attachment piece of a bracket, and an opposing piece. The state where the shaft fixed to the opposing piece of the bracket is inserted into the through hole of the mounting portion of the damper, (A) is a process diagram showing the state before inserting the spacer into the spacer insertion hole of the bracket, (B) is a process diagram showing a state in which the spacer is inserted into the spacer insertion hole from the state of (A) and the front end surface of the spacer is held in contact with the mounting portion of the damper. It is the attachment state figure which showed the state which screwed the screw in the hole for screw attachment formed in the attachment piece of the bracket from the state of FIG. 6 (B), and fixed the bracket to the shoji. It is the front view of the principal part which showed the state which attached the attachment part formed in the other edge part of a damper to the frame with the method similar to FIGS. It is a perspective view of the spacer used for Embodiment 2 of the present invention. It is process drawing similar to FIG. 5 which shows the state which inserts the attachment part of a damper between the attachment piece of a bracket, and an opposing piece. The process of assembling the spacer after the shaft fixed to the opposing piece of the bracket is inserted into the through hole of the mounting part of the damper is shown in (A), and the spacer is inserted between the mounting piece of the bracket and the opposing piece. FIG. 5B is a process diagram illustrating a state before the shaft is fitted, and FIG. 5B is a process diagram illustrating a state where the spacer is fitted to the shaft from the state (A). It is the horizontal sectional view which showed the attachment structure of the damper and bracket of a prior art example.

(Embodiment 1)
A first embodiment of the present invention will be described below with reference to FIGS.

  1 is a side view of the shoji closed state showing Embodiment 1 of the present invention, FIG. 2 is a front view of the main part of FIG. 1, FIG. 3 is a horizontal sectional view of FIG. 2, and FIG. FIGS. 5 to 8 are process diagrams for assembling the bracket and the damper, or those, the shoji, and the frame.

  In FIG. 1, reference numeral 1 denotes a frame made of a sash attached to an opening of a building 2, 3 is a shoji that forms a window, and this shoji 3 is pivotally attached to a lower end of the frame 1 by a hinge 4. As shown in FIG.

  1 to 3, reference numeral 10 denotes a damper such as a gas spring that constantly biases the free end of the shoji 3 in the opening direction, and is provided between the frame 1 and the shoji 3. As shown in this embodiment, the specific structure of the damper 10 employs a gas spring that expands and contracts the pinton rod 10b by the pressure of a high-pressure inert gas sealed in the cylinder 10a. Then, at one end (upper end in the first embodiment) and the other end (lower end in the first embodiment) of the gas spring 10, mounting portions 11 and 12 having through holes 11a and 12a are provided.

  Attachment portions 11 and 12 of the gas spring 10 as the damper are attached to the shoji 3 or the frame 1 via brackets 20 and 20.

As shown in FIG. 4, the bracket 20 has a substantially U-shaped cross section, and is fixed to the plate-like attachment piece 21 attached to the shoji 3 or the frame 1 of the bracket 20 with at least a screw. Are formed, and a shaft 26 is fixed to a mountain-shaped facing piece 25 facing the mounting piece 21. The fixing method may be caulking or may be fixed with screws or the like.
In addition, a spacer insertion hole 23 is formed in the central portion of the mounting piece 21 so that a spacer 31 serving as a retaining mechanism to be described later can be removably inserted.

Two brackets 20 having the same structure are used. As shown in FIGS. 1 to 3 and 7, the first bracket 20 is mounted on the side surface of the upper portion that is the free end side of the shoji 3. The mounting pieces 21 are applied, and the screws 24 and 24 are screwed into the screw holes formed in the shoji 3 from the screw mounting holes 22 and 22 formed in the mounting piece 21 and fixed.
On the other hand, the direction of the second bracket 20 is changed from that of the first bracket 20, and as shown in FIGS. 1 to 3 and 8, the mounting piece 21 of the bracket 20 is attached to the lower part of the inner wall of the frame 1. The screws 27 and 27 are screwed into the screw holes formed in the frame 1 from the screw mounting holes 22 and 22 formed in the mounting piece 21 and fixed.
In this way, since the first and second brackets 20 and 20 need only have one kind of the same structure, the cost of parts can be reduced.

  The through holes 11a and 12a formed in the mounting portions 11 and 12 of the damper 10 are fitted into the shafts 26 and 26 fixed to the facing pieces 25 and 25 of the first and second brackets 20 and 20, respectively. 10 is pivotally attached. That is, the shaft 26 of the first bracket 20 is fitted into the through hole 11 a of the mounting portion 11 of the damper 10, and the shaft 26 of the second bracket 20 is fitted into the through hole 12 a of the mounting portion 12 of the damper 10.

Further, a retaining mechanism 30 is provided so that the through holes 11a and 12a, that is, the mounting portions 11 and 12 cannot be removed from the shafts 26 and 26.
In the first embodiment, the retaining mechanism 30 includes a spacer insertion hole 23 formed in the mounting piece 21 of the bracket 20 and a cylindrical spacer 31 that can be removably inserted from the spacer insertion hole 23. ing.

An example of attaching the damper 10 to the brackets 20 and 20 will be described below with reference to FIGS.
A shaft 26 is fixed to the opposing piece 25 of the bracket 20 by caulking or the like in advance (see FIG. 4). Therefore, the mounting portion 11 of the damper 10 is inserted between the mounting piece 21 of the bracket 20 with the shaft 26 and the opposing piece 25 (see FIG. 5).

  Next, the shaft 26 of the bracket 20 is inserted into the through hole 11a of the mounting portion 11 of the damper 10, and the spacer 31 is inserted from the spacer insertion hole 23 of the mounting piece 21 of the bracket 20 (FIG. 6A). (See (B)). Then, the front end surface of the spacer 31 is held in contact with the mounting portion 11 of the damper 10 (see FIG. 6B).

  Next, in the state of FIG. 6 (B), as shown in FIG. 7, the mounting piece 21 is applied to the upper side surface on the free end side of the shoji 3, and the screws 24, 24 are screwed with a screwdriver from the opposing piece 25 side. Screw in the shoji 3 and fix it. In this mounted state, the front end surface of the spacer 31 abuts against the mounting portion 11 of the damper 10 and the rear end surface abuts against the shoji 3 so that the mounting portion 11 does not come off the shaft 26.

  On the other hand, the attachment of the other end of the damper 10 (that is, the attachment portion 12 connected to the piston rod 10b) and the lower portion of the frame 1 is assembled by the same method as in FIGS. As shown in FIG. 8, the mounting piece 21 of the second bracket 20 is applied to the lower inner wall of the frame 1, and screws 27 and 27 are screwed into the frame 1 with a screwdriver from the facing piece 25 side and fixed. In this attached state, the front end surface of the spacer 31 abuts against the attachment portion 12 of the damper 10 and the rear end surface abuts against the frame 1 so that the attachment portion 12 does not come off the shaft 26.

  Since the damper attaching device for opening and closing the window according to the first embodiment is configured as described above, in the closed state of the shoji shown in FIG. 1, the shoji 3 is locked in the closed position in the event of an emergency such as a fire. When the locking of the stopping means (not shown) is released, the shoji 3 is opened by the biasing force of the damper 10.

(Embodiment 2)
A second embodiment of the present invention will be described below with reference to FIGS.
The second embodiment is different from the first embodiment in that the retaining mechanism 30 includes a spacer 41 having a substantially C-shaped cross section. That is, the spacer 41 in this case is made of a metal such as a synthetic resin or stainless steel and has elasticity. The spacer 41 is integrally formed by a cylindrical portion 41 a that is substantially equal to the outer diameter of the shaft 26 and an opening 41 b that is smaller than the outer diameter of the shaft 26. In addition, the spacer insertion hole 23 is formed in the mounting piece 21 of the bracket 20 in the first embodiment. However, in the second embodiment, both are different in that the spacer insertion hole 23 is not formed. .
Since the other components such as the damper 10 are the same as those of the first embodiment, the first embodiment may be referred to for details.

  And the method of attaching the damper 10 to the brackets 20 and 20 first inserts the attachment part 11 of the damper 10 between the attachment piece 21 of the bracket 20 with the axis | shaft 26 and the opposing piece 25, as shown in FIG.

  Next, the shaft 26 of the bracket 20 is fitted into the through hole 11a of the mounting portion 11 of the damper 10, and the spacer 41 is inserted between the mounting piece 21 of the bracket 20 and the opposing piece 25 (the mounting portion 11 of the damper 10). By inserting and abutting the opening 41b of the substantially C-shaped spacer 41 against the shaft 26 and pressing it strongly, the opening 41b expands and the shaft 26 fits into the cylindrical portion 41a of the spacer 41, and the spacer The opening 41 b returns to its original state due to the elasticity of 41, and the spacer 41 is clamped and held on the shaft 26. Then, the front end surface of the spacer 41 abuts on the mounting portion 11 of the damper 10, and the rear end surface abuts on the mounting piece 21 of the bracket 20 and is held. (See FIGS. 11A and 11B).

  Further, in the state of FIG. 11B, as shown in FIG. 7, the mounting piece 21 of the bracket 20 is applied to the upper side surface on the free end side of the shoji 3, and the screw 24, Screw 24 to the shoji 3 and fix it.

  On the other hand, the other end of the damper 10 and the lower portion of the frame 1 are attached and fixed to the bracket 20 in the same manner as described above. That is, it is assembled by the same method as in FIGS. 5 to 6 described above, and finally, as shown in FIG. 8, the mounting piece 21 of the second bracket 20 is applied to the lower inner side wall of the frame 1, Screws 27 and 27 are screwed into the frame 1 with a screwdriver from the facing piece 25 side and fixed.

DESCRIPTION OF SYMBOLS 1 Frame 3 Shoji 4 Hinge 10 Damper 11 Mounting part 11a Through hole 12 Mounting part 12a Through hole 20 Bracket 21 Mounting piece 22 Screw mounting hole 23 Spacer insertion hole 24 Screw 25 Opposing piece 26 Shaft 27 Screw 30 Retaining mechanism 31 Spacer 41 Spacer

Claims (2)

There is a damper, such as a gas spring, that always urges the free end of the shoji pivotally attached to the frame side in the opening direction, and a mounting portion having through holes formed at both ends of the damper is attached to the bracket. through, Ri name attached to the shoji or frame, with the bracket in cross-section a substantially U-shaped, the attachment piece attached to the sliding door or frame of the bracket forms at least holes for screw mounting, A shaft is fixed to the facing piece facing the mounting piece, and the shaft is pivotally supported by inserting a through hole of a mounting portion of the damper on the shaft, and a retaining mechanism is provided so that the mounting portion does not come off the shaft. in the damper mounting apparatus for window opening and closing that provided,
The retaining mechanism includes a spacer insertion hole formed in a mounting piece of the bracket and a spacer that can be removably inserted through the spacer insertion hole, and the damper is interposed between the mounting piece of the bracket and the opposing piece. And inserting the spacer into the through hole of the damper mounting portion, inserting the spacer from the spacer insertion hole of the bracket, and abutting the front end surface of the spacer against the damper mounting portion, damper mounting device for window opening and closing you, characterized in that the rear end face in contact with the sliding door or the frame is arranged to hold the mounting portion of the damper to the bracket. There is a damper, such as a gas spring, that always urges the free end of the shoji pivotally attached to the frame side in the opening direction, and a mounting portion having through holes formed at both ends of the damper is attached to the bracket. The bracket is attached to the shoji or frame, and the bracket has a substantially U-shaped cross section, and the mounting piece attached to the shoji or frame of the bracket is formed with a screw mounting hole, and the mounting A shaft is fixed to the facing piece facing the piece, and a through-hole of a mounting portion of the damper is inserted into the shaft and pivotally supported, and a retaining mechanism is provided so that the mounting portion does not come off the shaft. A damper mounting device for opening and closing a window,
The retaining mechanism is a spacer made of a cylindrical body having a substantially C-shaped cross section. The damper mounting portion is inserted between the bracket mounting piece and the opposing piece, and a through hole in the damper mounting portion is inserted. The shaft is inserted into the bracket, the spacer is inserted between the mounting piece of the bracket and the opposing piece and held between the bracket, the front end surface of the spacer is in contact with the mounting portion of the damper, and the rear end surface is It contacts with the damper mounting device for window opening and closing you characterized in that is arranged to retain the mounting portion of the damper to the bracket to the mounting piece.

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