JP4149123B2 - Door switch - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a switch such as a door. More specifically, the present invention relates to a switch such as a door that is light and thin and has sufficient strength.
[0002]
[Prior art]
An example of a conventional switch such as a door is 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. It has become.
[0003]
As shown in FIGS. 9 to 10, each of the outer cylinder 32 and the insertion member 33 is a long cylindrical body having a substantially flat C-shaped cross section. From the rear end portion, the C-shaped cross-section open surfaces are inserted so as to be stretchable so as to face each other.
[0004]
As shown in FIG. 9, a leaf spring 36 bent downward is fixed to the top surface of the insertion member 33, and as shown in FIG. 10, near the tip 32 a of the outer cylinder 32. Is provided with an engagement plate 37 for engaging the leaf spring 36 (see FIG. 9) of the insertion member 33.
[0005]
Further, as shown in FIG. 9, 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.
[0006]
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).
[0007]
[Problems to be solved by the invention]
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.
[0008]
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.
[0009]
The present invention has been made to solve such a problem, and an object thereof is to provide a switch such as a door that is light and thin and has sufficient strength.
[0010]
[Means for Solving the Problems]
A switch such as a door according to claim 1 of the present invention includes: (a) a long outer cylinder having a substantially flat C-shaped cross section;
(B) The outer cylinder has a substantially flat C-shaped cross section, a protrusion projecting inward is formed on the bottom surface, and the open surface thereof coincides with the open surface of the C-shaped cross section of the outer cylinder. A long insertion member inserted in a telescopic manner from the rear end of the outer cylinder,
(C) an engagement plate provided with a concave engagement portion provided on the bottom surface near the tip of the outer cylinder;
(D) A leaf spring having a projecting piece in the vicinity of the rear end portion on the outer side of the insertion member, the root end portion being fixed inside the protrusion, and the tip portion being engaged with the engaging portion. It is characterized by the following.
[0011]
Of the protrusions of the insertion member, it is preferable that a portion where the leaf spring is disposed is partially protruded inwardly.
[0013]
It is preferable that the thickness of the insertion member is about 2.5 to 4.0 mm.
[0014]
In the outer cylinder and the insertion member, a locking mechanism including an engagement protrusion and a contact portion is further provided, and the engagement protrusion and the contact portion are arranged so that the insertion member has the protrusion piece and the engagement portion. It is preferably provided at a position where it can be engaged when pulled out from the outer cylinder further outward than the position where it is engaged.
[0015]
It is preferable that a brake portion protrudes inward of the outer cylinder at a position rearward of the engagement plate on the bottom surface and / or side wall of the outer cylinder.
[0016]
It is preferable that the brake portion is formed integrally with the outer cylinder.
[0017]
It is preferable that the brake part is a plate-like member fixed to the bottom surface and / or the side wall of the outer cylinder.
[0018]
It is preferable that at least a part of the periphery of the brake portion made of the plate-like member is chamfered.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a switch such as a door of the present invention (hereinafter simply referred to as a switch) will be described in detail with reference to the accompanying drawings.
[0020]
1 is a perspective explanatory view showing an embodiment of a switch according to claim 1 of the present invention, FIG. 2 is a perspective view of the insertion member of FIG. 1 as viewed from below, and FIG. 3 is a perspective view of the switch of FIG. sectional view showing a state of the lock immediately before the main part, butt 4 is shown partially cut perspective view showing a switch according to embodiment, another embodiment of the switch 5 according to the present onset bright sectional view showing another example of a piece and the engaging portion, perspective view and FIG. 7 of the outer cylinder having a brake unit 6 showing still another embodiment of the switch according to the present onset Ming 6 It is sectional explanatory drawing which shows the state which the brake part of is contacting the sliding member.
[0021]
The switch 1 shown in FIGS. 1 and 3 includes an outer cylinder 2, a thin insertion member 3 that is slidably inserted into the outer cylinder 2, and an engagement plate 4 that is fixed inside the outer cylinder 2. The leaf spring 5 is fixed to the lower surface of the insertion member 3.
[0022]
In the switch 1, 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 a conventional switch. When the window is opened, the insertion member 3 extends from the distal end portion 2a side of the outer cylinder 2, and when the insertion member 3 is fully extended, the projecting piece 7 provided on the insertion member 3 (see FIGS. 2 to 3). ) Is inserted into and engaged with an engaging portion 12 (see FIG. 3) provided in the outer cylinder 2, so that the window is locked in a fully opened state. For this reason, the insertion member 3 does not shrink unless it is pushed in a direction to close the window with a certain force.
[0023]
As shown in FIG. 1 and FIG. 3, the outer cylinder 2 is a long member, and has a flat and substantially C-shaped cross section with the upper side open in the drawing. The shape of the hollow inside the substantially C-shaped cross section is similar to and slightly larger than the sliding member 13 attached to the rear end 3c of the insertion member 3, and allows the sliding member 13 to slide smoothly. be able to. A receiving member 14 is fitted on the distal end 2 a side of the outer cylinder 2. The receiving member 14 is a square tube member made of synthetic resin, and the shape of the hollow inside the square tube shape is similar to the cross-sectional shape of the main body 3a of the insertion member 3 and slightly larger. The main body 3a of the member 3 can be smoothly slid. Furthermore, a circular hole 15 is formed in the rear end portion 2b of the outer cylinder 2 for rotatably mounting the mounting member. The outer cylinder 2 is preferably made of a metal such as iron, stainless steel, or aluminum by pressing so as to maintain sufficient strength and be manufactured at a low cost.
[0024]
Further, as shown in FIG. 3, the engagement plate 4 for forming the concave engagement portion 12 caulks the rivet 18 along the longitudinal center line on the bottom surface 2 c of the outer cylinder 2. Is attached by. This attachment is possible by other methods such as welding or bonding. Further, the engagement plate 4 may be integrally formed 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.
[0025]
The insertion member 3 includes a main body 3a and a sliding member 13 attached to the rear end 3c of the main body 3a, as shown in FIGS. As shown in FIGS. 1 and 2, the main body 3 a of the insertion member 3 has a flat, substantially C-shaped cross section with the upper side opened. On the bottom surface 3d of the main body 3a, a ridge 6 for reinforcement projecting inward is formed. The main body 3a of the insertion member 3 is inserted from the rear end portion 2b of the outer cylinder 2 so as to extend and contract so that the open surface 3b thereof coincides with the open surface 2d of the C-shaped cross section of the outer cylinder 2.
[0026]
As shown in FIG. 1, the insertion member 3 is inserted into the outer cylinder 2 so that the open surface 3 b of the insertion member 3 and the open surface 2 d of the outer cylinder 2 coincide with each other. The entire surface is supported by the outer cylinder 2. Therefore, the strength of the insertion member 3 is improved as compared with the conventional case, and the entire thickness of the switch 1 including the insertion member 3 and the insertion member 3 can be reduced.
[0027]
Furthermore, since the protrusion 6 which protrudes inwardly is formed in the bottom face 3d of the insertion member 3, the intensity | strength of the insertion member 3 can further be improved. Therefore, it is possible to further reduce the thickness of the insertion member 3 and the entire switch 1 including the insertion member 3 while maintaining sufficient strength of the insertion member 3.
[0028]
In addition, as shown in FIGS. 1 to 3, the insertion member 3 of the present embodiment is further deeply inward because the vicinity of the rear end of the protrusion 6 of the main body 3 a is provided with the leaf spring 5. The arrangement | positioning recessed part 6a is formed protruding. Therefore, even if the bottom surface 2c of the outer cylinder 2 and the bottom surface 3d of the insertion member 3 are in contact or very close to each other, the leaf spring 5 can be disposed outside the bottom surface 3d of the insertion member 3. it can.
[0029]
1 to 3, the leaf spring 5 and the projecting piece 7 are separate bodies, and the engagement plate 4 and the outer cylinder 2 are separate bodies, but the present invention is not limited to this. For example, as shown in FIG. 5, the tip of the leaf spring 5 may be rounded to form the protruding piece 7, and the bottom surface 2 c of the outer cylinder 2 may protrude inward to integrally form the engagement plate 4. In this case, the vertical surface of the integrally formed engagement plate 4 becomes the engagement portion 12 that engages with the protruding piece 7.
[0030]
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. Further, on the lower surface side of the sliding member 13, a wedge-shaped portion 13 a for contacting the rear end portion 4 a of the engagement plate 4 and braking the insertion member 3 is formed.
[0031]
Further, the size of the cross section of the main body 3 a of the insertion member 3 is slightly smaller than the cavity inside the outer cylinder 2 so as not to contact the outer cylinder 2, and is provided at the distal end portion 2 a of the outer cylinder 2. The receiving member 14 is supported.
[0032]
A circular hole 16 is formed on the distal end side of the insertion member 3 for rotatably mounting the mounting member. Similarly to the outer cylinder 2, the insertion member 3 is preferably made of a metal such as iron, stainless steel, or aluminum by pressing so as to maintain a sufficient strength and to be manufactured at low cost.
[0033]
As shown in FIGS. 2 to 3, the leaf spring 5 is attached by caulking the root side end portion 5 a with a rivet 19 inside the arrangement recess 6 a outside the insertion member 3 in a downward state. Yes. This attachment is also possible by other methods such as welding or bonding. Further, a projecting piece 7 is attached to the front end portion 5b of the plate spring 5 downward, and the lower surface of the plate spring 5 is formed by the rear end portion 4a (see FIG. 3) of the engagement plate 4 provided on the outer cylinder 2. 5c (the surface on which the projecting piece 7 is provided) is pressed, and the projecting piece 7 is invited into the engaging portion 12 while releasing the bias. At this time, the projecting piece 7 may be slid on the bottom surface 2c of the outer cylinder 2, but it is preferable to move it 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 (not a cut surface), so that the sliding portion is hardly scratched and there is almost no frictional sound.
[0034]
The leaf spring 5 is preferably manufactured from stainless steel, a steel material, a synthetic resin or the like from the viewpoint of wear resistance.
[0035]
The switch shown in FIGS. 1 to 3 has a structure in which the insertion member 3 is inserted into the outer cylinder so that the opening surface 3b of the insertion member 3 and the opening surface 2d of the outer cylinder 2 coincide with each other. However, as shown in FIG. 4, the protrusion 6 is formed even in the structure in which the insertion member 3 is inserted into the outer cylinder 2 so that the opening surface 3 b of the insertion member 3 and the opening surface 2 d of the outer cylinder 2 face each other. By doing so, the insertion member 3 and the switch 1 as a whole can be thinned. In this case, the protrusion 6 may be changed so as to protrude inward from the upper surface 3 e of the insertion member 3 and the leaf spring 5 is provided inside the insertion member 3.
[0036]
Specifically, the switch 1 shown in FIG. 4 has a long outer cylinder 2 having a substantially flat C-shaped cross section, a substantially flat C-shaped cross section, and an inner surface on an upper surface 3e. A protruding ridge 6 is formed, and is inserted into the outer cylinder 2 from the rear end portion of the outer cylinder 2 such that the opening surface 3b faces the opening surface 2d of the C-shaped cross section of the outer cylinder 2 so as to extend freely. An elongated insertion member 3, an engagement plate 4 provided with a concave engagement portion 12 provided on the bottom surface 2 c in the vicinity of the distal end portion of the outer cylinder 2, and an inner side of the insertion member 3. The base end portion is fixed in the vicinity of the rear end portion, and the leaf spring 5 has a projecting piece 7 for engaging the engaging portion 12 at the front end portion.
[0037]
Also for the switch 1 shown in FIG. 4, as shown in FIG. 5, the tip of the leaf spring 5 is rounded to form a protruding piece 7, and the bottom surface 2c of the outer cylinder 2 protrudes inwardly to engage. By integrally forming the plate 4, the number of parts may be reduced.
[0038]
If the thickness of the insertion member 3 of the reference example is about 2.5 to 4.0 mm, it is preferable because it has a strength that can withstand opening and closing of a commercially available window or door and the appearance is good.
[0039]
Further, in order to securely lock the insertion member 3 at a timing slightly delayed after the protrusion 7 and the engaging portion 12 are engaged, as shown in FIG. 1 and FIG. The tube 2 and the insertion member 3 may further be provided with a second locking mechanism including the engagement protrusion 20 and the contact portion 21.
[0040]
In the second locking mechanism, the engagement protrusion 20 and the contact portion 21 are arranged so that the outer cylinder 2 further outwards from the position where the insertion member 3 engages the protrusion 7 and the engagement portion 12. It is provided at a position where it can be engaged when it is pulled out from the position. In FIG. 1 and FIG. 4, the engagement protrusion 20 is provided on the insertion member 3 and the contact portion 21 is provided on the outer cylinder 2.
[0041]
The above-described switch such as a door according to the present invention can be attached to the lower surface of the window frame F as shown in FIG.
[0042]
Further, as shown in FIGS. 6 to 7, the projecting piece 7 can be decelerated immediately before the engagement plate 12 so that it can be gently engaged with the engagement plate 4 on the bottom surface 2 c and the side wall 2 e of the outer cylinder 2. Alternatively, the brake portions 23 and 24 can be formed at rear positions (one far from the tip portion 2a), respectively.
[0043]
The brake parts 23 and 24 are formed integrally with the outer cylinder 2 and, specifically, are protruded by about 1 to 2 mm by pressing the bottom surface 2c and the side wall 2e of the outer cylinder 2 inward. If the brake parts 23 and 24 are integrally formed with the outer cylinder 2, the processing is easy, the number of parts can be reduced, and the brake parts 23 and 24 are excellent in various mechanical characteristics such as impact resistance and wear resistance. Is preferable.
[0044]
In the present embodiment, the brake parts 23 and 24 have been described as being integrally formed with the outer cylinder 2. However, the present invention is not limited to this and employs brake parts in other modes. May be.
[0045]
For example, the brake portion may be formed by fixing a thin plate (thickness of about 1 to 2 mm) such as steel or synthetic resin to the bottom surface 2c and the side wall 2e of the outer cylinder 2 by welding or bonding. 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 brake portion having both an optimal braking effect and mechanical characteristics.
[0046]
In the case of adopting the brake portion made of the thin plate, if at least a part of the periphery of the brake portion, for example, the entire periphery is chamfered, a sliding member 13 of the insertion member 3 to be described later can Since it can move smoothly to the surface of brake parts 23 and 24, it is preferred.
[0047]
As shown in FIGS. 6 to 7, in the switch according to the present embodiment, the brake portions 23 and 24 project inwardly from the bottom surface 2c and the side wall 2e of the outer cylinder 2, so that the window W When the sliding member 13 of the insertion member 3 first hits the brake parts 23 and 24 and moves while being rubbed against the brake parts 23 and 24 immediately before the opening is fully opened, Decelerate by entering a state where braking is applied. After that, the projecting piece 7 moderately decelerated can be gently engaged with the concave engaging portion 12 of the engaging plate 4 at a predetermined speed or less without generating a large noise.
[0048]
6-7, since the brake parts 23 and 24 are provided in the bottom face 2c and the side wall 2e of the outer cylinder 2, respectively, the braking effect is very high. However, the present invention is not limited to this, and if the brake portion is provided on either the bottom surface 2c or the side wall 2e, the projecting piece 7 is decelerated and gently engaged with the engaging portion 12. be able to.
[0049]
【The invention's effect】
According to the present invention, the protrusion protruding inward is formed on the bottom surface of the insertion member, the leaf spring is disposed inside the protrusion, and the C-shaped open portions of the insertion member and the outer cylinder are matched. Since the insertion member is inserted in the outer cylinder so as to make it possible to provide a switch that is light and thin and has sufficient strength.
[0050]
Furthermore, if a brake part is provided on the bottom surface and / or side wall of the outer cylinder, it is possible to prevent the generation of a large noise even when the door or window is vigorously opened.
[Brief description of the drawings]
FIG. 1 is an explanatory perspective view showing an embodiment of a switch such as a door according to the present invention.
FIG. 2 is a perspective view of the insertion member of FIG. 1 as viewed from below.
3 is an explanatory cross-sectional view showing a state immediately before locking in the main part of the switch such as a door shown in FIG. 1;
FIG. 4 is a partially cutaway perspective explanatory view showing a switch according to a reference example .
5 is a cross-sectional explanatory view showing another example of a protrusion and the engagement portion showing another embodiment of the present onset facie involved switch.
6 is a perspective view of the outer cylinder having a brake unit showing still another embodiment of the present onset facie involved switch.
7 is a cross-sectional explanatory view showing a state in which the brake portion of FIG. 6 is in contact with the sliding member.
FIG. 8 is an explanatory diagram of a use state of a conventional switch such as a door.
9 is a cross-sectional view of the insertion member of FIG.
10 is a cross-sectional view of the outer cylinder of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Switch 2 Outer cylinder 3 Insertion member 3d Bottom face 4 Engaging plate 5 Leaf spring 6 Projection 23, 24 Brake part

Claims (8)

(A) a long outer cylinder having a substantially flat C-shaped cross section;
(B) The outer cylinder has a substantially flat C-shaped cross section, a protrusion projecting inward is formed on the bottom surface, and the open surface thereof coincides with the open surface of the C-shaped cross section of the outer cylinder. A long insertion member inserted in a telescopic manner from the rear end of the outer cylinder,
(C) an engagement plate provided with a concave engagement portion provided on the bottom surface in the vicinity of the distal end portion of the outer cylinder;
(D) A leaf spring having a projecting piece in the vicinity of the rear end portion on the outer side of the insertion member, the root end portion being fixed inside the protrusion, and the front end portion being engaged with the engagement portion. A door or other switch.   The switch for doors or the like according to claim 1, wherein a portion of the protrusion of the insertion member where the leaf spring is disposed is partially protruded inwardly. The switch for doors according to claim 1 or 2, wherein the thickness of the insertion member is about 2.5 to 4.0 mm. In the outer cylinder and the insertion member, a locking mechanism including an engagement protrusion and a contact portion is further provided, and the engagement protrusion and the contact portion are arranged so that the insertion member has the protrusion piece and the engagement portion. The switch for doors according to any one of claims 1 to 3, wherein the switch is provided at a position where it can be engaged when pulled out from the outer cylinder further outward than an engaging position. The door according to any one of claims 1 to 4, wherein a brake portion protrudes inward of the outer cylinder at a position rearward of the engagement plate on a bottom surface and / or a side wall of the outer cylinder. Iso-switch. The switch for doors or the like according to claim 5 , wherein the brake part is formed integrally with the outer cylinder. The switch for doors or the like according to claim 6 , wherein the brake part is a plate-like member fixed to a bottom surface and / or a side wall of the outer cylinder. The switch for doors or the like according to claim 7 , wherein at least a part of a peripheral edge of the brake portion made of the plate-like member is chamfered.

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