JP6125889B2 - Door stop device - Google Patents

Description

The present invention relates to a door stop device that holds a door provided with a door closer device at a desired opening angle position.

Door closer devices that can hold a door in a desired open angle position are known. The main prior art will be briefly described below. A first prior art is a door closer including a door closer body having a pivot shaft, an arm having one end fixed to the pivot shaft, and a link pivotally connected to the other end of the arm. A stop device for a door closer to which a stop bar and a slide rail provided with a slide piece having a stopper at one end are added (see Patent Document 1). In this stop device, one end of the stop bar is pivoted together with the pivots of the arm and the link, and the slide rail is fixed to the door frame so that its longitudinal direction is parallel to the other end of the stop bar. Is pivotally attached to the slide piece. Then, since the slide piece slides in the slide rail by the stop bar corresponding to the opening / closing operation of the door, when the door is at a desired opening angle position, the slide piece is fixed to the slide rail with a stopper. As a result, the door is fixed to the set opening angle.

The second prior art is a brake that extends the rotating shaft of the door closer body also to the lower surface side of the closer body, and connects and fixes the brake drum to the lower rotating shaft, while being able to contact and separate the brake drum. It is a door stopper that fixes the door by pressing the brake shoe against the brake drum via the lever by attaching the shoe to the lever and operating the operation cam at the desired opening angle position of the door (patent) Reference 2).

A third prior art is a stop device door closer over incorporating a clutch mechanism of the turning angle varying in pivot point to allow rotation between the other end of the bracket and links attached to the door frame (patent Reference 3). In this stop device, the serration shaft is fixed to the lower surface of the bracket, the link and cam plate are fitted to the serration shaft so as to be movable up and down, and the dial attached to the serration shaft is pushed up and turned to rotate the cam plate. When the link is engaged with the cam plate at the desired door opening angle, the door is not opened any more.

JP 2011-196162 A JP 2008-266985 A JP 2003-193742 A

  In the first prior art, a slide rail and a stop bar are added to the door closer, so the number of parts is increased, the structure is complicated, and the cost is not increased, and the door closer is attached to the predetermined position. There is a problem in that it is inconvenient because it takes time and time for mounting and fixing the slide piece to fix the stop bar and tightening the stopper to the slide rail.

  The second prior art requires a door closer body with a special structure in order to extend the rotation axis of the door closer body to the lower side of the body, and in addition to the brake drum, brake shoes, levers, operation A cam and a mounting plate to which these are attached are necessary, which increases the number of parts and increases the cost, and has a problem that the appearance is hindered.

  Although the third prior art makes it difficult to feel the presence of the stop device in appearance, there is a problem in that the structure of the stop device is complicated and the number of parts increases, leading to an increase in cost.

The present invention, the door can be fixed to a predetermined opening angle, has a simple structure, and with a small number of parts, and it is an object of Rutotomoni operation can be provided at low cost to provide easy doorstop equipment.

In order to solve the above problems, doorstop equipment of the present invention is provided with a door closer, Kusarijotai and locking member mounting aid. The door closer has a locking portion formed of one of a through hole and a projection at each intermediate portion of the arm and the link. The lock body has at least a pair of engaging portions spaced from each other on both end sides thereof . The lock body mounting aid lifts the approximate center of the lock body by operating from the floor. Then, lift the locking member by Kusarijotai wearing aid, one of the engagement portions of it to the locking portion consists of one of the through-hole and the protrusion of the arm of the door closer, and the other engaging portion The lock body is detachably engaged with the door closer by being dropped into a locking portion formed of one of the through hole and the protrusion of the link of the door closer . As a result, the movement between the arms and the link of the door closers is locked, the door is Ru held at a predetermined opening angle.

According to the door stop equipment of the present invention, lifting increase in the number of parts structure for locking the door closer is simple slightly der Rutotomoni, the locking member with Kusarijotai wearing aid from the floor doors Since it is installed by dropping it into the locking part of the closer, the lock body can be easily engaged with the door closer without reaching the position of the link and arm, so that it is easy to operate and reliable. There is an effect that the locking action of a high door closer can be obtained.

A use state according to a first embodiment of a door stop equipment of the present invention is a main part perspective view showing. It is a principal part perspective view which similarly shows the latching | locking part of the arm and link of a door closer. It is a perspective view of a lock body similarly. It is a principal part perspective view which similarly shows the engagement state of a locking body, an arm, and a link. A main part according to a second embodiment of the door stop equipment of the present invention is a cross-sectional view illustrating. Is a partial perspective view illustrating a door stop instrumentation first use state of put that the locking member mounting aid to the embodiment of the location of the present invention.

  Hereinafter, embodiments of the present invention will be described in detail.

Figure 1 shows a semi-open state of the door that put the first embodiment of the door stop equipment of the present invention. In the figure, a door 1 is mounted on a door frame 2 so as to be freely opened and closed. The door frame 2 is fitted and fixed to an opening of a house in which the door 1 is disposed such as a front door. The door 1 is automatically closed by the door closer DC after being opened with respect to the door frame 2 in a normal use state. In the present invention, a door stop equipment, in addition to the locking portions 6 and 6 are formed on the arm 3 and link 4 of the door closer DC, is mounted at the predetermined position of the door closers DC locking The body 8 and the lock body mounting aid 12 shown in FIG. 6 are provided .

The door closer DC has a known structure including a door closer body 5, an arm 3, a link 4 and a bracket B. The door closer body 5 is fixed to the upper part on the hinge side of the back surface of the door 1. Further, a rotating shaft (not shown) protrudes from the upper surface of the door closer body 5. The lower end 9 is exposed on the lower surface of the door closer body 5. However, it may not be exposed by the cover if desired. The rotating shaft is preliminarily provided with a turning force for closing the door by a spring housed inside the door closer body 5. The base end portion of the arm 3 is fixed to the rotation shaft. Link 4 has its base end portion is pivotally mounted to the bracket B, the distal end portion is pivotally connected to the distal end of the arm 3. The bracket B is fixed to the upper part of the door frame 2.

  Therefore, when the door 1 is opened by pushing a knob (not shown) of the door 1, the rotation shaft of the door closer body 5 is rotated via the link 4 and the arm 3, and the internal spring is biased to drive it. Since the force increases, the door 1 is automatically closed by the door closer body 5 when the knob is released.

Further, door closers DC, as shown in FIG. 2, in the present invention, which have a locking portion 6, 6 in the middle portion of the arm 3 and link 4. In the illustrated embodiment, the locking portions 6 and 6 are made of, for example, through holes. In addition, when the latching | locking part 6 consists of a through-hole, the through-hole is biased in the width direction of the intermediate part of the arm 3 and the link 4, and the one part has opened in the side surface of the arm 3 or the link 4 incompletely. It may be a hole. Accordingly, the locking portions 6 and 6 at the intermediate portion of the arm 3 and the link 4 have various forms as long as the engagement with the engaging portion 7 of the lock body 8 described later is not undesirably released. It is allowed to be.

Further, although not shown in the drawing, the engaging portion 6 at the intermediate portion of the arm 3 and the link 4 may be configured by a plurality formed apart from each other along the longitudinal direction of the arm 3 and the link 4. In this case, different door opening angles can be selected by selecting a desired locking portion among the plurality of locking portions 6 and engaging a lock bar 8 described later. The plurality of open angles can be configured to include a desired state such as a closed state or a fully open state of the door 1.

At least the middle part of the arm 3 and the link 4 is made flat as shown in FIG. However, the locking portion 6, in the present invention, since it is not a requirement to form the embodiment of the hole, it may be a collision force. In this case, it is allowed that the intermediate portion has a round or square bar shape.

As shown in FIG. 3, the lock body 8 has a pair of engaging portions 7 and 7 that are spaced apart from each other. These engagement portions 7, 7 are configured to engage more darken the engaging portions 6 of the arm 3 and link 4 of door closers DC. That is, in the present embodiment shown in FIG. 3, the engagement portions 7 and 7 of the lock body 8 have a protruding shape because the locking portions 6 and 6 of the arm 3 of the door closer DC and the link 4 are through holes . Tei Ru. And as shown in FIG. 4 , the engaging parts 7 and 7 are dropped into the engaging part 6 which consists of the through- hole of the arm 3 and the link 4, and engages. As a result , the opening angle of the arm 3 and the link 4 is fixed by the lock body 8. More specifically, one engaging portion 7 of the lock body 8 is detachably engaged with the engaging portion 6 of the arm 3 of the door closer DC by being dropped . The other engaging portion 7 is detachably engaged with the engaging portion 6 of the link 4 of the door closer DC by being dropped . As a result, the arm 3 and the link 4 of the door closer DC and the lock body 8 form a triangle whose corners are the two engaging portions and the pivotally attached portion of the arm 3 and the link 4. 3. Therefore, the movement of the door 1, i.e. the opening and closing movements are locked. Thereby, the door 1 is maintained at a predetermined opening angle.

Next, a procedure for fixing the door 1 at a desired opening angle will be described. First, the door 1 is opened to a desired opening angle. Maintains its open state, then lift the Kusarijotai 8, the locking portion 6 of the arm 3 of the one of the engaging portion 7 door closers DC, the other engagement portion 7 engaging link 4 If each part 6 is dropped and engaged, the door 1 is automatically fixed at a desired opening angle.

  In order to return the door 1 to the original closed state, the locked body 8 that has been dropped is lifted from the arm 3 and the link 4 of the door closer DC and engaged with the engaging portions 6 and 6 of the engaging portions 7 and 7. Can be canceled. Then, the door 1 automatically returns to the closed position by the rotational power of the door closer body 5. That is, the door 1 is closed.

Referring to FIG. 5 describes the second embodiment of the door stop equipment of the present invention. In the present embodiment, the lock body 8 is configured to be held by the door closer DC even when not in use. That is, one engaging portion 7 ′ of the lock body 8 is formed to be somewhat longer than the other, and a through hole 10 is formed on a side surface of a portion protruding downward from the lower surface of the link 4, and a split pin 11 is attached thereto doing.

  The one engaging portion 7 ′ functions as a constant engaging portion that is always engaged with the locking portion 6 of the link 4. Therefore, the protrusion length of one engagement portion 7 ′ is such that the engagement state with the engagement portion 6 of the corresponding link 4 and the engagement portion 6 of the arm 3 corresponding to the other engagement portion 7 is maintained. It is sufficient that the engagement and the release thereof can be performed.

  In the illustrated embodiment, the split pin 11 is attached to the constant engagement portion that is always engaged with the locking portion 6 of the link 4 to prevent undesired dropping of the engagement. Instead of this, a C-shaped washer may be attached to the engaging portion 7 '. In this case, a reduced diameter portion is formed instead of the through hole 10, and a C-shaped washer is attached to the reduced diameter portion.

  Thus, according to the second embodiment, the door 4 is always supported by the link 4 positioned above the arm 3 even when the lock body 8 is not used. When it is desired to place 1 in a semi-open state, there is no trouble of searching for the lock body 8 that has been separated to another place or taking it out from a predetermined storage location, and the lock body 8 can be quickly linked 4 And can be mounted between the arms 3.

Next, the lock body mounting aid 12 will be described with reference to FIG. Locking member mounting aid 12, lift the Kusarijotai 8 over the link 4 and the arm 3 of the door closer DC shown in FIG. 1 in operation from floor engaging portion 6 and the engaging portions 7 , 6 is an operating means of the lock body 8 that is dropped into engagement . Therefore, by using the lock body mounting aid 12, the lock body 8 can be easily engaged without reaching the position of the link 4 and the arm 3 of the door closer DC.

Kusarijotai wearing aid 12, in the embodiment of FIG. 6, Ru can be configured with a locking member bearing 14 on top of the lifting rod 13. The lock body support portion 14 supports an intermediate portion in the length direction of the lock body 8 from below, and the engagement portion of the lock body 8 on the link 4 of the door closer DC and the locking portions 6 and 6 of the arm 3. Assist in dropping 7 and 7 from above. It should be noted that it is convenient to dispose the locking prevention protrusions 15 on both sides of the locking body support portion 14 so that the locking body 8 does not drop undesirably.

  Then, the door 1 is temporarily held at a predetermined opening angle, and the lock body is mounted by placing the substantially central portion of the lock body 8 on the lock body supporting portion 14 of the lock body mounting aid 12. The assisting tool 12 is lifted, and the engaging portions 7 and 7 of the locking body 8 are dropped from above onto the links 4 of the door closer DC and the locking portions 6 and 6 of the arm 3. Thereby, the door 1 becomes a locked state and is maintained at a predetermined opening angle.

A reference example will be described. In this reference example , instead of the lock body 8, both ends of a door lock member made of a flexible material such as a chain or a rope and having high strength are connected to the locking portions 6 and 6 of the arm 3 and the link 4. Can be locked. Incidentally, if desired Ru can you to adding the reference example to the present invention described above.

According to the above reference example , the same function as a door lock using a door chain provided separately from the conventional door closer can be achieved.

  DESCRIPTION OF SYMBOLS 1 ... Door, 2 ... Door frame, 3 ... Arm, 4 ... Link, 5 ... Door closer body, 6 ... Locking part, 7 ... Engagement part, 8 ... Locking body, 9 ... Lower end of rotating shaft, B ... Bracket, DC ... Door closer

Claims (1)

An arm having a rotation shaft, a door closer body disposed on the door, a base end portion fixed to the rotation shaft of the door closer body, and an intermediate portion formed with a locking portion consisting of one of a through hole and a protrusion. , And the distal end is pivotally attached to the distal end of the arm, and a locking portion comprising one of a through hole and a protrusion is formed in the intermediate portion, and the base end is pivotally attached to the door frame side. A door closer with a linked link;
At least one pair of engaging portions spaced apart from each other is provided on both end sides, and one of the engaging portions is detachably engaged with the engaging portion formed by one of the through hole and projection of the arm of the door closer, The engaging portion of the door closer is detachably engaged with the locking portion formed by one of the through-hole and the projection of the link of the door closer so as to be detachable, and the door is locked by locking the movement between the door closer arm and the link. A lock that maintains a predetermined opening angle;
A lock body mounting aid that lifts the lock body by operating from the floor and drops a pair of engaging portions at both ends into a locking portion formed of one of the arm and link through-holes and projections of the door closer;
Door stop equipment which is characterized in that it comprises a.

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