JP2006316546A - Door opening-closing unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door opening-closing unit for surely maintaining a fully opening state with a simple constitution. <P>SOLUTION: This door opening-closing unit is characterized by being composed of a long size outer cylinder for presenting a flat substantially C-shaped cross section, a long size internally inserting member for presenting a flat substantially C-shaped cross section and inserted in a nesting system from a rear end part of the outer cylinder into the outer cylinder so that an opening surface is opposed to an opening surface of a C-shaped cross section of the outer cylinder, an engaging plate arranged on a bottom surface of a tip part of the outer cylinder and having a recessed engaging part having a wall extending in the width direction of the internally inserting member, and a leaf spring having a base part fixed to an outside rear end part of the internally inserting member and having on the tip a claw extending in the width direction of the internally inserting member locked on the wall of the engaging part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  It relates to switches such as doors. More specifically, an engagement plate provided on the bottom surface of the distal end portion of the outer cylinder and having a recessed engagement portion having a wall extending in the width direction of the insertion member, and a rear end portion outside the insertion member The present invention relates to a switch such as a door having a claw extending in the width direction of the insertion member, the base portion of which is fixed to the front end of the insertion member and locked to the wall of the engagement portion.

  As a conventional switch such as a door, for example, there is a switch 31 shown in FIG. The switch 31 includes a long outer cylinder 32 and an insertion member 33 that is inserted into the outer cylinder 32 so as to be extendable and retractable. The switch 31 is attached to the window frame F and the window W by mounting brackets 34 and 35.

  As shown in FIGS. 8 to 9, each of the outer cylinder 32 and the insertion member 33 is a long cylindrical body having a substantially flat C-shaped cross section. The C-shaped cross-section open surfaces are inserted from the rear end portion so as to be able to extend and contract.

  As shown in FIG. 8, a leaf spring 36 bent downward is fixed to the inside of the top surface of the insertion member 33, and as shown in FIG. 9, in the vicinity of the tip 32 a of the outer cylinder 32. Is provided with an engagement plate 37 for engaging the plate spring 36 (see FIG. 8) of the insertion member 33.

  Further, as shown in FIG. 8, the insertion member 33 is a member having a length similar to that of the outer cylinder 32, and a synthetic resin sliding member 38 is fitted to the rear end portion 33 a. ing.

  With this configuration, the protrusion 39 at the tip of the leaf spring 36 is engaged with the engagement portion 40 of the engagement plate 37 in a state where the insertion member 33 is fully extended, and the window W is opened. Maintain the state (full open lock).

  However, in the above-described conventional switch, the outer cylinder 32 and the insertion member 33 are arranged so that the open surfaces of the C-shaped cross section face each other, so that the insertion member 33 is substantially only near both side surfaces. Partially supported.

  Therefore, in order to ensure the strength of the insertion member 33, the insertion member 33 has to be thickened. When the insertion member 33 is thick, the entire switch is also thick, and there is a problem that the appearance becomes difficult and the weight also increases.

  The present invention has been made in order to solve the problems of such a conventional switch, and provides an opening degree adjusting device such as a door which is light and thin, has sufficient strength, and is reliably maintained in a fully opened state. It is to be.

A switch such as a door of the present invention is a long outer cylinder having a flat, substantially C-shaped cross section,
A long inner part which is inserted into the outer cylinder in a nested manner from the rear end of the outer cylinder so that it has a flat and substantially C-shaped cross section and the open surface faces the open surface of the C-shaped cross section of the outer cylinder. An insertion member;
An engagement plate provided on the bottom surface of the distal end portion of the outer cylinder and having a recessed engagement portion having a wall extending in the width direction of the insertion member;
A base portion is fixed to a rear end portion outside the insertion member, and a leaf spring having a claw extending in the width direction of the insertion member that is locked to a wall of the engagement portion at a tip end. Yes.

  The engagement plate includes two wedge-shaped structures each having a slope and a flat surface, and a recessed engagement portion formed between the two wedge-shaped structures, and the leaf spring includes: It has a substantially tongue-like shape, and preferably includes a base portion fixed to the insertion member by fixing means, an intermediate portion bent and extended from the base portion, and a claw provided at the tip. .

The guide member further includes a substantially rectangular guide guide plate fixed to a rear end portion of the insertion member, and a contact portion provided in the vicinity of the distal end side of the outer cylinder,
It is preferable that a protrusion is formed in the middle of one side of the guide guide plate, the protrusion is fitted between the contact portions when the window is opened, and both side portions of the protrusion are in contact with the contact portion.

  Further, the wall of the engaging portion may be a curved surface, and the claw at the tip of the leaf spring may be curved so as to have a complementary relationship with the curved surface of the wall.

  According to the present invention, it is possible to provide a switch such as a door that can be reliably maintained in a fully opened state with a simple configuration.

  Hereinafter, a door and other switches (hereinafter simply referred to as switches) according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is an explanatory plan view showing an embodiment of a switch according to the present invention. FIG. 2 (a) is a plan view of the main part of the outer cylinder of the switch in FIG. FIG. 3 is a cross-sectional explanatory view of the outer cylinder of FIG. 2A, and FIG. 4A is a plan view of the insertion member of the switch of FIG. 1 as viewed from below (b). ) Is a plan view of the insertion member of the modified example of (a) seen from below, FIG. 5 is a cross-sectional explanatory view of the insertion member of FIG. 4 (a), and FIG. 6 (a) is the switch of the present invention. The state just before the lock | rock in a principal part is shown, (b) is sectional explanatory drawing which shows the lock state in the principal part of the switch of this invention.

  The switch 1 shown in FIGS. 1 to 6 includes an outer cylinder 2, an insertion member 3 that is slidably inserted into the outer cylinder 2, and an engagement plate fixed inside the outer cylinder 2. 4 and a leaf spring 5 fixed to the lower surface of the insertion member 3.

  The engagement plate 4 includes two wedge-shaped structures W1 and W2 formed with inclined surfaces 4b and 4d and flat surfaces 4c and 4e, respectively, and a concave engagement formed between the two wedge-shaped structures W1 and W2. The joint part 12 is provided (refer Fig.2 (a) and FIG. 3). A wall 4a on the wedge-shaped structure W1 side of the engaging portion 12 extends straight in the width direction of the inner cylinder 2 (see FIG. 2A).

  On the other hand, the leaf spring 5 has a substantially tongue-like shape, and includes a base part 5c fixed to the insertion member 3 by a rivet 19, an intermediate part 5b bent and extended from the base part 5c, A claw 5a is provided at the tip so as to extend straight in the width direction of the insertion member 3 (that is, the direction crossing the insertion member 3) (see FIG. 4A).

  However, the shapes of the wall 4a on the wedge-shaped structure W1 side of the engaging portion 12 and the claw 5a at the tip of the leaf spring 5 are not limited to those shown in FIGS. 2 (a) and 4 (a). For example, as shown in FIG. 2B, the wall 4r on the wedge-shaped structure W1 side of the engaging portion 12 has a curved surface, and as shown in FIG. 4B, the leaf spring 5 It is also possible to employ a curved nail 5r (see FIG. 4B) that is curved so as to have a male-female relationship (complementary relationship) with the wall 4r (see FIG. 2B).

  In the case of the switch 1 according to the present embodiment, for example, the outer cylinder 2 is attached to a window frame or the like by an attachment member, and the insertion member 3 is attached to a window or the like by an attachment member, as in the above-described conventional switch. . When the window is opened, the insertion member 3 is extended from the distal end 2a side of the outer cylinder 2, and when the insertion member 3 is fully extended, the insertion member 3 is provided to extend in the width direction of the insertion member 3. The claw 5a (see FIGS. 4 to 6) is fitted into the engaging portion 12 (see FIGS. 2 to 3) provided in the outer cylinder 2 and is locked to the engaging wall 4b. As a result, the window is kept fully open. For this reason, since the insertion member 3 is not accommodated in the outer cylinder 2 unless it pushes in the direction which closes a window with a certain amount of force, the open state of a window is maintained reliably.

  As shown in FIG. 1, the outer cylinder 2 is a long member, and has a flat and substantially C-shaped cross section with the upper side open on the paper surface of FIG. 2. As described above, the shape of the outer cylinder 2 having a substantially C-shaped cross section (that is, the inside of the outer cylinder 2 is hollow) is attached to the rear end portion 3c of the insertion member 3 by fixing means such as a rivet 13a. The sliding member 13 has a shape similar to that of the sliding member 13 and is slightly larger, and the sliding member 13 can be slid (slid smoothly).

  A receiving member 14 is fitted on the distal end 2 a side of the outer cylinder 2. The receiving member 14 is a rectangular tube-shaped member made of synthetic resin, and the internal shape of the rectangular tube-shaped member is substantially similar to the cross-sectional shape of the main body 3a of the insertion member 3 and is slightly larger. For this reason, the main body 3 a of the insertion member 3 can be slid (slid smoothly) in the outer cylinder 2.

  Further, a circular hole 15 is formed in the rear end portion 2b of the outer cylinder 2 for rotatably attaching an attachment member for attachment to the window. It is preferable to use the outer cylinder 2 made of a metal such as iron, stainless steel, or aluminum by press working because it can maintain sufficient strength as a switch and can be manufactured at low cost.

  As shown in FIGS. 2, 3 and 6, the bottom surface 2c of the outer cylinder 2 is provided with an engagement plate 4 for forming an engagement portion 12 illustrated as a recess in the longitudinal center line. It is attached by caulking the rivet 18 along. The attachment of the engagement plate 4 is not limited to rivets. Other methods obvious to those skilled in the art are possible, such as welding or gluing. Further, the engagement plate 4 may be formed integrally with the outer cylinder 2. For example, the engagement plate 4 may be formed by making a hole corresponding to the engaging portion 12 in the bottom surface 2c of the outer cylinder 2, and then pressing the bottom surface 2c.

  As shown in FIGS. 4 and 5, the insertion member 3 includes a main body 3 a and a sliding member 13 attached to the rear end portion (left end portion of the paper surface of FIG. 5) of the main body 3 a.

  As shown in FIG. 4, the main body 3 a of the insertion member 3 has a flat and substantially C-shaped cross section with the upper side opened. The main body 3a of the insertion member 3 is telescopically inserted from the rear end 2b (see FIG. 1) of the outer cylinder 2 so that the open surface thereof faces the open surface 2d of the C-shaped cross section of the outer cylinder 2. Yes.

  4 and 5, the leaf spring 5 and the claw 5a are integrated, and the engagement plate 4 and the outer cylinder 2 are separate, but the present invention is not limited to this.

  The sliding member 13 is made of a synthetic resin, is in contact with the bottom surface 2 c of the outer cylinder 2, and is slidably supported inside the outer cylinder 2.

  Furthermore, the size of the cross section of the main body 3a of the insertion member 3 is formed slightly smaller than the inner space of the outer cylinder 2 so as not to be inscribed in the outer cylinder 2, and the distal end portion 2a of the outer cylinder 2 (FIG. 1). It is supported by the receiving member 14 provided in the reference).

  A circular hole 16 for rotatably mounting the mounting member is formed on the distal end side of the insertion member 3. As with the outer cylinder 2, the insertion member 3 is made of a metal such as iron, stainless steel, or aluminum, and is formed by pressing, so that it maintains sufficient strength as a switch and is manufactured at a low cost. This is preferable.

  As shown in FIGS. 3 and 6, the leaf spring 5 is attached to the inside of the insertion member 3 by a rivet 19 in a downward state. The leaf spring 5 can be attached by other methods such as welding or adhesion.

  6A and 6B, a claw 5a extending in the width direction of the insertion member 3 is attached to the tip of the leaf spring 5, and an engagement plate provided on the outer cylinder 2 4, the intermediate portion 5 b of the leaf spring 5 (the portion bent and extended from the base portion 5 c) is pressed by the inclined surface 4 a of the rear end portion 4, and the claw 5 a is invited into the engaging portion 12 while releasing the bias. At that time, the claw 5a may slide on the bottom surface 2c of the outer cylinder 2, but it is preferable to move the claw 5a in a state slightly separated from the bottom surface 2c of the outer cylinder 2 in order to reduce frictional noise. Even when the bottom surface 2c is slid, the bottom surface 2c is a flat surface, so that the sliding portion is hardly scratched and there is almost no frictional sound.

  The leaf spring 5 is preferably manufactured from a steel material such as a spring steel material, stainless steel, synthetic resin, or the like from the viewpoint of wear resistance.

  In the present embodiment, in order to securely lock the insertion member 3 after the aforementioned claw 5a is locked by the wall 4b of the engaging portion 12, the outer cylinder 2 and the insertion member 3 are provided with A second guide member comprising a guide guide plate 20 fixed to the rear end portion of the insertion member 3 by fixing means such as a rivet 20a, and a contact portion 21 provided in the vicinity of the distal end 2a side of the outer cylinder 2. A stop mechanism may be further provided (see FIGS. 1 and 2).

  As shown in FIG. 1, the guide guide plate 20 fixed to the rear end portion of the insertion member 3 has a protrusion 20b formed in the middle of one side of a substantially square shape, and both side portions 20c of the protrusion 20b are defined. Has been. When the insertion member 3 moves to the right side of the paper surface of FIG. 1, the guide guide plate 20 also moves to the right side of the paper surface, the protrusions 20 b are fitted between the contact portions 21, and both side portions 20 c are connected to the contact portions 21. Abut.

  Therefore, when the guide guide plate 20 having such a structure is provided, even if the window is opened at a considerably high speed, a situation in which the guide guide plate 20 rotates and collides with the contact portion 21 is reliably avoided. This is preferable.

  Further, in order to allow the projecting piece 5a to be decelerated and quietly engaged immediately before the engaging plate 12, a position behind the engaging plate 4 of the outer cylinder 2 (that is, the one farther from the tip 2a). The braking part 23 can also be formed.

  The braking part 23 is formed so as to protrude about 1 mm integrally with the outer cylinder 2, specifically, by pressing the bottom surface 2 c of the outer cylinder 2 inward. If the brake part 23 is formed integrally with the outer cylinder 2, the brake part 23 is excellent in terms of various mechanical characteristics such as easy processing, reduced number of parts, impact resistance, wear resistance, and the like. Is preferable.

  The braking portion 23 has been described as an example in which the braking portion 23 is formed integrally with the outer cylinder 2 in the present embodiment, but the present invention is not limited to this. Other forms of braking that are obvious to those skilled in the art may be employed. For example, the braking portion may be formed by fixing a thin plate (thickness of about 1 mm) such as steel or synthetic resin to the bottom surface 2c of the outer cylinder 2 by fixing means obvious to those skilled in the art such as welding or adhesion. In this case, since a thin plate made of a material different from that of the outer cylinder 2 can be selected, it is possible to obtain a braking portion having both an optimal braking effect and mechanical characteristics.

  In the case of adopting the above-described braking portion made of a thin plate, the sliding member 13 of the insertion member 3 is braked from the bottom surface 2c of the outer cylinder 2 by chamfering at least a part of the periphery (or the entire periphery is possible) of the braking portion. Since it can move to the surface of the part 23 smoothly, it is preferable.

  In the switch according to the present embodiment, since the insertion member 3 can be inserted into the outer cylinder 2 in a nested manner without any gap, abnormal noise is generated when the insertion member 3 is inserted into and removed from the outer cylinder 2. Can be prevented.

  Moreover, in the switch of this Embodiment, since the braking part 23 is protrudingly provided inward from the bottom face 2c of the outer cylinder 2, the sliding member 13 of the insertion member 3 immediately before fully opening the window. However, by first hitting the braking portion 23 and moving while being rubbed against the braking portion 23, the insertion member 3 is decelerated while receiving friction braking. After that, the claw 5a that has been decelerated is silently locked to the recessed engagement portion 12 of the engagement plate 4 at a predetermined speed or less without generating abnormal noise.

It is a plane explanatory view showing the switch of the present invention. (A) is a principal part top view of the outer cylinder of the switch of FIG. 1, (b) is a principal part top view which shows the modification of the outer cylinder of (a). It is a cross-sectional explanatory drawing of the outer cylinder of Fig.2 (a). (A) is the top view which looked at the insertion member of the switch of FIG. 1 from the bottom, (b) is the top view which looked at the insertion member of the modification of (a) from the bottom. It is a section explanatory view of the insertion member of Drawing 4 (a). (A) shows the state just before the lock | rock in the principal part of the switch of this invention, (b) is sectional explanatory drawing which shows the lock | rock state in the principal part of the switch of this invention. It is explanatory drawing of the use condition of conventional switches, such as a door. It is sectional drawing of the insertion member of FIG. It is sectional drawing of the outer cylinder of FIG.

Explanation of symbols

1 Switch
2 outer cylinder
3 Insertion member
3d bottom
4 engagement plate
5 leaf spring
5a Claw 20b Protrusion 20c Side 23, 24 Braking part

Claims (4)

A long outer cylinder having a flat and substantially C-shaped cross section;
A long inner part which is inserted into the outer cylinder in a nested manner from the rear end of the outer cylinder so that it has a flat and substantially C-shaped cross section and the open surface faces the open surface of the C-shaped cross section of the outer cylinder. An insertion member;
An engagement plate provided on the bottom surface of the distal end portion of the outer cylinder and having a recessed engagement portion having a wall extending in the width direction of the insertion member;
A door or other switch comprising a leaf spring having a claw extending in the width direction of the insertion member, the base of which is fixed to the rear end of the outside of the insertion member, and which is locked to the wall of the engagement portion at the tip. . The engagement plate includes two wedge-shaped structures each having a slope and a flat surface, and a recessed engagement portion formed between the two wedge-shaped structures, and the leaf spring is substantially tongue-shaped. The base part which is exhibiting the shape, and is provided with the base part fixed to the said insertion member by the fixing means, the intermediate part bent and extended from this base part, and the nail | claw provided in the front-end | tip. Door and other switches. A substantially rectangular guide guide plate fixed to the rear end portion of the insertion member; and a contact portion provided in the vicinity of the distal end side of the outer cylinder,
A protrusion is formed in the middle of one side of the guide guide plate, the protrusion is fitted between the contact portions when the window is opened, and both side portions of the protrusion are in contact with the contact portion. A switch such as a door according to 1 or 2. The door or the like according to claim 1, 2 or 3, wherein the wall of the engaging portion is a curved surface, and the claw at the tip of the leaf spring is curved so as to have a complementary relationship with the curved surface of the wall. Switch.

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