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JP4584038B2 - Revolving door holding mechanism - Google Patents
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JP4584038B2 - Revolving door holding mechanism - Google Patents

Revolving door holding mechanism Download PDF

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JP4584038B2
JP4584038B2 JP2005164615A JP2005164615A JP4584038B2 JP 4584038 B2 JP4584038 B2 JP 4584038B2 JP 2005164615 A JP2005164615 A JP 2005164615A JP 2005164615 A JP2005164615 A JP 2005164615A JP 4584038 B2 JP4584038 B2 JP 4584038B2
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door
rib
leaf spring
holding mechanism
free end
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JP2006336383A (en
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健滋 緒方
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

この発明は、通信機器や電子機器等の筐体に備わる回転扉の保持機構に関するものである。   The present invention relates to a holding mechanism for a revolving door provided in a housing of a communication device or an electronic device.

従来の電子機器の筐体に備わる回転扉の保持機構としては、筐体前面に水平に軸を設けてその軸の回りに回転自在に扉を取り付け、前記扉は前記軸の回りの円弧の一方の端に凹部を形成すると共に、円弧の他方の端を切り落として弦を形成し、板バネをその自由端が前記円弧に当接するように前記筐体に固定したものがある。前記扉を開いた時には前記板バネの自由端が前記円弧の弦を押圧する一方、前記扉を閉じた時には前記板バネの自由端が前記円弧の凹部に入り込む構成にしている(例えば、特許文献1参照)。   As a holding mechanism for a revolving door provided in a housing of a conventional electronic device, a shaft is horizontally provided on the front surface of the housing, and the door is rotatably attached around the shaft, and the door is one of arcs around the shaft. A recess is formed at the end of the arc, and the other end of the arc is cut off to form a string, and a leaf spring is fixed to the casing so that its free end abuts the arc. When the door is opened, the free end of the leaf spring presses the chord of the arc, and when the door is closed, the free end of the leaf spring enters the recess of the arc (for example, Patent Documents). 1).

特許文献1記載の回転扉の保持機構は、上記構成とすることにより、回転扉の開放状態と閉鎖状態において、1つの板バネで扉を保持することができると共に、部品点数の減少に伴うコストダウンを実現している。   The revolving door holding mechanism described in Patent Document 1 is configured as described above, so that the door can be held by one leaf spring in the open state and the closed state of the revolving door, and the cost associated with a reduction in the number of parts. Down is realized.

特開2000−160908号公報JP 2000-160908 A

従来の回転扉の保持機構は以上のように構成されていたので、扉が開放状態の場合に、扉を固定する保持力が1つの板バネの反発力のみであるため、安定させるには保持力が十分ではないという課題があった。   Since the conventional holding mechanism of the revolving door is configured as described above, when the door is open, the holding force for fixing the door is only the repulsive force of one leaf spring. There was a problem that power was not enough.

この発明は上記のような課題を解消するためになされたもので、扉が解放状態の場合に、扉を固定する保持力を強くすると共に、開放状態から閉鎖状態へ移行するときに、扉の固定を少ない操作で容易に解除することができる回転扉の保持機構を得ることを目的とする。   The present invention has been made to solve the above-described problems. When the door is in the open state, the holding force for fixing the door is strengthened, and when the door is moved from the open state to the closed state, An object of the present invention is to obtain a holding mechanism for a revolving door that can be easily released with a small number of operations.

この発明に係る回転扉の保持機構は、筐体の前面に回転軸で軸止される扉と、段差形状を有し、前記扉の回転軸周辺に形成されるリブと、前記回転軸の周辺で一端を前記筐体に固定され、前記固定端から延出する部分に段差形状が形成され、前記扉を開いたときに操作可能な位置に自由端が配置された板バネとを備えている。
前記扉を開いたときには、前記リブの段差形状前記板バネの段差形状とが直交を含む鋭角に入り込んで係止され前記扉を閉じるときには、前記板バネの前記自由端を操作することで前記リブの段差形状が前記板バネの段差形状から外れるように構成している。
The rotating door holding mechanism according to the present invention includes a door fixed to the front surface of the housing by a rotation shaft, a step shape, a rib formed around the rotation shaft of the door, and a periphery of the rotation shaft A leaf spring in which one end is fixed to the housing, a step shape is formed in a portion extending from the fixed end, and a free end is disposed at a position where the door can be operated when the door is opened . .
When opening the door, and the rib of stepped shape and the stepped shape of the plate spring is engaged enters at an acute angle to an orthogonal, when closing the door, by operating the free end of the leaf spring The step shape of the rib is configured to deviate from the step shape of the leaf spring.

この発明によれば、扉を開いた時に板バネの段差形状がリブの段差形状に入り込むように構成したので、扉を開いた時の扉を固定する保持力を向上することができる。
また、扉を開いた時に板バネの自由端を押すことによりリブの段差形状に入り込んだ板バネの段差形状が外れるように構成したので、扉を開いた時の扉の固定を解除する操作性能を向上することができる。
さらに、扉を開いたときにリブの段差形状と板バネの段差形状とが直交を含む鋭角に入り込んで係止されるよう構成したことにより、板バネの自由端を操作しない限りリブと板バネの係止状態が外れないので、扉の開放状態において確実に扉を固定する保持力を得ることができる。
According to the present invention, since the step shape of the leaf spring enters the step shape of the rib when the door is opened, the holding force for fixing the door when the door is opened can be improved.
In addition, it is configured so that the step shape of the leaf spring that enters the step shape of the rib is released by pushing the free end of the leaf spring when the door is opened, so the operation performance to unlock the door when the door is opened Can be improved.
Further, when the door is opened, the rib step shape and the leaf spring step shape are configured to enter and lock at an acute angle including orthogonality, so that the rib and the leaf spring are operated unless the free end of the leaf spring is operated. Therefore, the holding force for securely fixing the door in the open state of the door can be obtained.

実施の形態1.
以下、この発明の実施の形態1について説明する。図1は、この発明の実施の形態1に係る回転扉の保持機構において、扉の開放状態を示す全体斜視図である。図1において、筐体1の前面に対して、扉2を回転自在に軸止している。そして、扉2の回転軸の周辺で筐体1の上に板バネ3を固定している。
Embodiment 1 FIG.
Embodiment 1 of the present invention will be described below. 1 is an overall perspective view showing an open state of a door in a rotary door holding mechanism according to Embodiment 1 of the present invention. In FIG. 1, the door 2 is pivotally fixed to the front surface of the housing 1. A leaf spring 3 is fixed on the housing 1 around the rotation axis of the door 2.

図2は、この発明の実施の形態1に係る回転扉の保持機構において、扉の開放状態を示す要部断面図である。図2において、筐体1の前面に対して、扉2が回転軸2aを中心として回転自在に軸止されている。   FIG. 2 is a cross-sectional view of the main part showing the door open state in the rotary door holding mechanism according to Embodiment 1 of the present invention. In FIG. 2, the door 2 is fixed to the front surface of the housing 1 so as to be rotatable about a rotation shaft 2 a.

扉2は、回転軸2aの周辺にリブ2bを形成している。リブ2bの下端には円弧形状のリブ円弧部2cを形成している。更に、リブ円弧部2cの一端からリブ2bの上端に向かって、段差形状のリブ段差部2dを形成している。   The door 2 has a rib 2b formed around the rotation shaft 2a. An arc-shaped rib arc portion 2c is formed at the lower end of the rib 2b. Further, a step-shaped rib step portion 2d is formed from one end of the rib arc portion 2c toward the upper end of the rib 2b.

板バネ3は、筐体1の前面に固定する固定部3aと自由端3bとの間に、段差形状の段差部3cを形成している。更に、段差部3cと自由端3bとの間には、L字形状のL字部3dを形成している。   The leaf spring 3 forms a stepped portion 3c having a step shape between a fixed portion 3a fixed to the front surface of the housing 1 and a free end 3b. Further, an L-shaped L-shaped portion 3d is formed between the stepped portion 3c and the free end 3b.

板バネ3の固定部3aには孔が穿設されており、筐体1の前面には孔部1aが穿設されている。固定部3aの孔中心が孔部1aの中心と一致するように、板バネ3を筐体1の表面に当接する。そして、両孔に固定具4を挿通することで、板バネ3を筐体1に固定部3aで固定する。固定具4としては、ピンやネジ等が考えられ、孔部1aも固定具4に対応したものとする(ピン孔、ネジ孔等)。   A hole is formed in the fixed portion 3 a of the leaf spring 3, and a hole 1 a is formed in the front surface of the housing 1. The leaf spring 3 is brought into contact with the surface of the housing 1 so that the hole center of the fixing part 3a coincides with the center of the hole part 1a. And the leaf | plate spring 3 is fixed to the housing | casing 1 by the fixing | fixed part 3a by inserting the fixing tool 4 in both holes. As the fixture 4, a pin, a screw, or the like is conceivable, and the hole 1a also corresponds to the fixture 4 (pin hole, screw hole, etc.).

扉2を開いた時には、板バネ3の段差部3cが扉2のリブ段差部2dに入り込む。そして、扉2を閉める時には、段差部3cがリブ段差部2dに入り込んでいる状態で、板バネ3の自由端3bを押すことにより、板バネ3の段差部3cが扉2のリブ段差部2dから外れる。その結果、扉2が回転軸2aを中心として、筐体1に対して回転自在となる。   When the door 2 is opened, the step 3c of the leaf spring 3 enters the rib step 2d of the door 2. When the door 2 is closed, the stepped portion 3c of the leaf spring 3 is pushed into the rib stepped portion 2d of the door 2 by pushing the free end 3b of the leaf spring 3 while the stepped portion 3c is in the rib stepped portion 2d. Deviate from. As a result, the door 2 is rotatable with respect to the housing 1 around the rotation shaft 2a.

次に、動作について説明する。図2において、扉2を開いた時に、板バネ3の段差部3cが、扉2のリブ段差部2dに入り込む。この状態で扉2を閉めようとすると、段差部3cがリブ段差部2dに係止されているので、扉2は回転することができない。この係止状態は、段差部3cがリブ段差部2dに幾何学的に掛かっているため、段差部3cまたはリブ段差部2dが破壊されない限り、扉2は回転することができない。従って、開放状態において、確実に扉2を固定する保持力を得ることができる。   Next, the operation will be described. In FIG. 2, when the door 2 is opened, the step portion 3 c of the leaf spring 3 enters the rib step portion 2 d of the door 2. If it is going to close the door 2 in this state, since the level | step-difference part 3c is latched by the rib level | step-difference part 2d, the door 2 cannot rotate. In this locked state, since the stepped portion 3c is geometrically applied to the rib stepped portion 2d, the door 2 cannot rotate unless the stepped portion 3c or the rib stepped portion 2d is destroyed. Accordingly, it is possible to obtain a holding force for securely fixing the door 2 in the opened state.

図3は、この発明の実施の形態1に係る回転扉の保持機構において、扉を閉めるために板バネを押している状態を示す要部断面図である。図3において、扉2を閉める時に、板バネ3の自由端3bを筐体1方向(図3中矢印方向)へ押すことにより、段差部3cをリブ段差部2dから外すことができる。従って、単に板バネ3の自由端3bを押すことのみで、扉2の固定を解除することができ、扉2の開放状態を解除する操作性能が向上する。板バネ扉2が回転軸2aを中心に回転自在となる。   FIG. 3 is a cross-sectional view of the main part showing a state in which the leaf spring is pushed to close the door in the rotary door holding mechanism according to Embodiment 1 of the present invention. In FIG. 3, when the door 2 is closed, the stepped portion 3c can be removed from the rib stepped portion 2d by pushing the free end 3b of the leaf spring 3 in the direction of the casing 1 (the arrow direction in FIG. 3). Therefore, the door 2 can be released simply by pressing the free end 3b of the leaf spring 3, and the operation performance for releasing the door 2 from the open state is improved. The leaf spring door 2 is rotatable about the rotation shaft 2a.

図4は、この発明の実施の形態1に係る回転扉の保持機構において、扉を閉めている途中を示す要部断面図である。図4において、扉2を閉めている途中で、リブ円弧部2cが板バネ3を押すと板バネ3が撓む。一方、この板バネ3の反力がリブ円弧部2cにかかることとなる。   FIG. 4 is a cross-sectional view of the main part showing the middle of closing the door in the rotary door holding mechanism according to Embodiment 1 of the present invention. In FIG. 4, when the rib arc portion 2 c presses the leaf spring 3 while the door 2 is being closed, the leaf spring 3 is bent. On the other hand, the reaction force of the leaf spring 3 is applied to the rib arc portion 2c.

図5は、この発明の実施の形態1に係る回転扉の保持機構において、扉の閉鎖状態を示す要部断面図である。図5において、扉2を閉め切った時に、リブ円弧部2cの曲率半径を適正な形状とすることで(例えば、リブ円弧部2cが扉を閉じた時に板バネ3と接触しないように曲率半径を可変させて、扉を閉め始めた時に当たるリブの位置の曲率半径よりも、扉を閉め切った時に当たるリブの位置の曲率半径を小さくする)、リブ円弧部2cが板バネ3を必要以上に押さないようにすることができる。従って、板バネ3の反力がリブ段差部2dにかかり続けることがないため、扉2、特にリブ段差部2dとリブ円弧部2c、リブ2bの破壊を防止することができる。   FIG. 5 is a cross-sectional view of a principal part showing a closed state of the door in the rotary door holding mechanism according to Embodiment 1 of the present invention. In FIG. 5, when the door 2 is closed, the radius of curvature of the rib arc portion 2c is set to an appropriate shape (for example, the radius of curvature is set so that the rib arc portion 2c does not contact the leaf spring 3 when the door is closed). The radius of curvature of the rib that hits when the door is fully closed is made smaller than the radius of curvature of the rib that hits when the door is closed). Can not be. Accordingly, since the reaction force of the leaf spring 3 does not continue to be applied to the rib step portion 2d, the door 2, particularly the rib step portion 2d, the rib arc portion 2c, and the rib 2b can be prevented from being broken.

以上のように、この実施の形態1によれば、扉2を開いた時に板バネ3の段差部3cがリブ2bのリブ段差部2dに入り込むように構成したので、扉2を開いた時の扉2を固定する保持力を向上することができる。
また、扉2を開いた時に板バネ3の自由端3bを押すことによりリブ段差部2dに入り込んだ板バネ3の段差部3cが外れるように構成したので、扉2を開いた時の扉2の固定を解除する操作性能を向上することができる。
更に、板バネ3の反力がリブ円弧部2cにかかり続けることがないため、扉2、特にリブ段差部2dとリブ円弧部2c、リブ2bの破壊を防止することができる。
As described above, according to the first embodiment, when the door 2 is opened, the step portion 3c of the leaf spring 3 enters the rib step portion 2d of the rib 2b. The holding power for fixing the door 2 can be improved.
Further, since the step 3c of the leaf spring 3 that has entered the rib step 2d is released by pushing the free end 3b of the leaf spring 3 when the door 2 is opened, the door 2 when the door 2 is opened. It is possible to improve the operation performance of releasing the fixation.
Furthermore, since the reaction force of the leaf spring 3 does not continue to be applied to the rib arc portion 2c, it is possible to prevent the door 2, particularly the rib step portion 2d, the rib arc portion 2c, and the rib 2b from being destroyed.

実施の形態2.
以下、この発明の実施の形態2について説明する。図6は、この発明の実施の形態2に係る回転扉の保持機構において、板バネの剛性を向上させた場合を示す要部断面図である。実施の形態2においては、実施の形態1と同一構成部分についてはその説明を省略し、相違する部分についてのみ説明する。
Embodiment 2. FIG.
The second embodiment of the present invention will be described below. FIG. 6 is a cross-sectional view of the main part showing the case where the rigidity of the leaf spring is improved in the rotary door holding mechanism according to Embodiment 2 of the present invention. In the second embodiment, the description of the same components as those in the first embodiment will be omitted, and only different parts will be described.

図6に示すように、板バネ3の段差部3cと自由端3bの間の両端に曲げ部3eを形成する。曲げ部3eにより板バネ3の自由端3bから段差部3cまでの剛性が向上し、板バネ3の撓みが減る。その結果、扉2の固定を解除する時に板バネ3の自由端3bを押す操作量を少なくすることができる。   As shown in FIG. 6, bent portions 3e are formed at both ends between the stepped portion 3c of the leaf spring 3 and the free end 3b. The bending portion 3e improves the rigidity from the free end 3b of the leaf spring 3 to the step portion 3c, and reduces the bending of the leaf spring 3. As a result, the amount of operation for pushing the free end 3b of the leaf spring 3 when releasing the door 2 can be reduced.

以上のように、この実施の形態2によれば、自由端3bから段差部3cまでの剛性を向上し、板バネ3の撓みが減るため、扉2の固定を解除する時の操作量を少なくすることができる。その結果、実施の形態1に比べて、固定を解除する操作性能を向上することができる。   As described above, according to the second embodiment, the rigidity from the free end 3b to the stepped portion 3c is improved and the flexure of the leaf spring 3 is reduced, so that the operation amount when releasing the door 2 is reduced. can do. As a result, it is possible to improve the operation performance for releasing the fixing as compared with the first embodiment.

実施形態3.
以下、この発明の実施の形態3について説明する。図7は、この発明の実施の形態3に係る回転扉の保持機構において、板バネの座屈方向を規制した場合を示す要部断面図である。実施の形態3においては、実施の形態1と同一構成部分についてはその説明を省略し、相違する部分についてのみ説明する。
Embodiment 3. FIG.
The third embodiment of the present invention will be described below. FIG. 7: is principal part sectional drawing which shows the case where the buckling direction of a leaf | plate spring is controlled in the rotation door holding mechanism which concerns on Embodiment 3 of this invention. In the third embodiment, the description of the same components as those in the first embodiment will be omitted, and only different parts will be described.

図7に示すように、板バネ3の固定部3aと段差部3cの間において、リブ2b方向に凸部3fを形成する。リブ段差部2dに係止した板バネ3の段差部3cを外すこと無しに、扉2を無理に閉めようとすると、板バネ3が座屈により変形しようとする。この時に、凸部3fにより、板バネ3に負荷が加わる方向がリブ2b方向となるように制御することができる。凸部3fはリブ2bに当接しているため、板バネ3が容易に変形することはない。従って、リブ段差部2dに係止した段差部3cをより外れ難くすることができる。   As shown in FIG. 7, a convex portion 3 f is formed in the rib 2 b direction between the fixed portion 3 a and the step portion 3 c of the leaf spring 3. If the door 2 is forcibly closed without removing the step 3c of the leaf spring 3 locked to the rib step 2d, the leaf spring 3 tends to deform due to buckling. At this time, the direction in which the load is applied to the leaf spring 3 can be controlled by the convex portion 3f so as to be the rib 2b direction. Since the convex portion 3f is in contact with the rib 2b, the leaf spring 3 is not easily deformed. Therefore, the stepped portion 3c locked to the rib stepped portion 2d can be made more difficult to come off.

以上のように、この実施の形態3によれば、凸部3fがリブ2bに当接することにより、故意にリブ2b方向に負荷を加えることができるため、リブ段差部2dに係止した段差部3cを外れにくくすることができる。その結果、より確実な扉2を固定する保持力を得ることができる。   As described above, according to the third embodiment, since the convex portion 3f abuts against the rib 2b, a load can be intentionally applied in the direction of the rib 2b, so that the step portion locked to the rib step portion 2d. 3c can be made difficult to come off. As a result, a more reliable holding force for fixing the door 2 can be obtained.

実施の形態4.
以下、この発明の実施の形態4について説明する。図8は、この発明の実施の形態4に係る回転扉の保持機構において、リブ段差部を鋭角にした場合を示す拡大断面図である。
図8において、扉2が開放状態の場合、扉2のリブ段差部2dを鋭角とすることで、リブ段差部2dに対して板バネ3の段差部3cがより強固に掛かることになる。その他の構成は、実施の形態1と同様であるので説明を省略する。
Embodiment 4 FIG.
The fourth embodiment of the present invention will be described below. FIG. 8 is an enlarged cross-sectional view showing a case where the rib step portion is formed at an acute angle in the rotary door holding mechanism according to Embodiment 4 of the present invention.
In FIG. 8, when the door 2 is in the open state, the stepped portion 3c of the leaf spring 3 is more firmly applied to the rib stepped portion 2d by setting the rib stepped portion 2d of the door 2 to an acute angle. Other configurations are the same as those in the first embodiment, and thus description thereof is omitted.

以上のように、この実施の形態4によれば、リブ段差部2dを鋭角とすることで、開扉2が開放状態の場合に、リブ段差部2dと段差部3cの係合がより強固になるので、扉2の安定して保持することができる。   As described above, according to the fourth embodiment, the rib stepped portion 2d has an acute angle, so that the engagement between the rib stepped portion 2d and the stepped portion 3c can be strengthened when the door 2 is open. Therefore, the door 2 can be stably held.

実施の形態5.
以下、この発明の実施の形態5について説明する。図9は、この発明の実施の形態5に係る回転扉の保持機構において、リブと扉を別部品とした場合を示す拡大断面図である。図9において、使用時に負荷がかか易いリブ2bを扉2から分離した構成としている。その他の構成は、実施の形態1と同様であるので説明を省略する。
Embodiment 5 FIG.
The fifth embodiment of the present invention will be described below. FIG. 9 is an enlarged cross-sectional view showing a case where ribs and doors are separate parts in the rotary door holding mechanism according to Embodiment 5 of the present invention. In FIG. 9, the rib 2 b that is easily loaded during use is separated from the door 2. Other configurations are the same as those in the first embodiment, and thus description thereof is omitted.

以上のように、この実施の形態5によれば、リブ2bと扉2を別部品とすることで、万一リブ2bが破損した場合でも、保守交換を容易にすることができる。   As described above, according to the fifth embodiment, by replacing the rib 2b and the door 2 as separate parts, maintenance and replacement can be facilitated even if the rib 2b is damaged.

実施の形態6.
以下、この発明の実施の形態6について説明する。図10は、この発明の実施の形態6に係る回転扉の保持機構において、板バネ形状を変更した場合を示す拡大断面図である。図10(a)は、板バネ3において段差部3cから筐体1方向へ延出する部分を長くすることで、同部を指で摘み易くしている。図10(b)は、段差部3cからL字部3dまでの部分を長くすることで、同部を指で押し易くしている。図10(c)は、自由端3bの先端部分を筐体1の長さ方向に延出することで、同部を指で押し易くしている。その他の構成は、実施の形態1と同様であるので説明を省略する。
Embodiment 6 FIG.
The sixth embodiment of the present invention will be described below. FIG. 10: is an expanded sectional view which shows the case where a leaf | plate spring shape is changed in the holding mechanism of the rotary door which concerns on Embodiment 6 of this invention. In FIG. 10A, the portion of the leaf spring 3 that extends from the stepped portion 3 c toward the housing 1 is lengthened so that the same portion can be easily picked with a finger. In FIG. 10B, the portion from the stepped portion 3c to the L-shaped portion 3d is lengthened so that the same portion can be easily pushed with a finger. In FIG. 10C, the distal end portion of the free end 3b is extended in the length direction of the housing 1 so that the same portion can be easily pushed with a finger. Other configurations are the same as those in the first embodiment, and thus description thereof is omitted.

以上のように、この実施の形態6によれば、板バネ3において段差部3c以降の各部を延出することにより、扉2の固定を解除する時に板バネ3の自由端3bを押す操作量を少なくすることができる。その結果、実施の形態1に比べて、固定を解除する操作性能を向上することができる。   As described above, according to the sixth embodiment, the amount of operation for pushing the free end 3b of the leaf spring 3 when the door 2 is fixed by extending the portions after the step portion 3c in the leaf spring 3 is extended. Can be reduced. As a result, it is possible to improve the operation performance for releasing the fixing as compared with the first embodiment.

実施の形態7.
以下、この発明の実施の形態7について説明する。図11は、この発明の実施の形態7に係る回転扉の保持機構において、板バネ3の各部の配置を規定した場合を示す要部断面図である。図11において、板バネ3の各部の配置を鉛直方向で上から下へ順に、力の支点となる固定部3a、作用点となる段差部3c、力点となる自由端3bとしたものである。
Embodiment 7 FIG.
The seventh embodiment of the present invention will be described below. FIG. 11 is a cross-sectional view of a main part showing a case where the arrangement of each part of the leaf spring 3 is defined in the rotary door holding mechanism according to Embodiment 7 of the present invention. In FIG. 11, the arrangement of each part of the leaf spring 3 is, in order from the top to the bottom in the vertical direction, a fixed part 3 a serving as a force fulcrum, a step part 3 c serving as an action point, and a free end 3 b serving as a force point.

以上のように、この実施の形態7によれば、板バネ3において、鉛直方向で上から下へ順に、固定部3a、段差部3c、自由端3bと配置することにより、自由端3bに加えた解除力を最も小さくすることができると共に、段差部3cでのロック強度を最も大きくすることができる。   As described above, according to the seventh embodiment, in the leaf spring 3, the fixed portion 3a, the stepped portion 3c, and the free end 3b are arranged in order from top to bottom in the vertical direction, thereby adding to the free end 3b. The release force can be minimized, and the lock strength at the stepped portion 3c can be maximized.

実施の形態8.
以下、この発明の実施の形態8について説明する。図12は、この発明の実施の形態8に係る回転扉の保持機構において、扉の開放限度を規定した場合を示す要部断面図である。図12において、力の支点となる固定部3aを扉2のリブ2bと対向する位置に配置したものである。従って、過度な力で扉2を開けた場合でも、固定具4のヘッドとリブ2bが当接することにより扉2のストッパの役割を果たす。即ち、扉2の開放限度を規定する。
Embodiment 8 FIG.
The eighth embodiment of the present invention will be described below. FIG. 12: is principal part sectional drawing which shows the case where the open limit of a door is prescribed | regulated in the holding mechanism of the rotary door which concerns on Embodiment 8 of this invention. In FIG. 12, the fixing portion 3 a serving as a fulcrum of force is arranged at a position facing the rib 2 b of the door 2. Therefore, even when the door 2 is opened with an excessive force, the head of the fixture 4 and the rib 2b come into contact with each other, thereby serving as a stopper for the door 2. That is, the opening limit of the door 2 is defined.

以上のように、この実施の形態8によれば、固定部3aをリブ2bと対向する位置に配置することで、固定具4のヘッドとリブ2bが当接し、扉2のストッパの役割を果たし、扉2が開き過ぎて作業に支障が出ないようにすることができる。   As described above, according to the eighth embodiment, by disposing the fixing portion 3a at a position facing the rib 2b, the head of the fixing device 4 and the rib 2b come into contact with each other and serve as a stopper for the door 2. The door 2 can be opened too much so that the work is not hindered.

この発明の実施の形態1に係る回転扉の保持機構において、扉の開放状態を示す全体斜視図である。In the holding mechanism of the rotary door which concerns on Embodiment 1 of this invention, it is a whole perspective view which shows the open state of a door. この発明の実施の形態1に係る回転扉の保持機構において、扉の開放状態を示す要部断面図である。In the holding mechanism of the rotary door which concerns on Embodiment 1 of this invention, it is principal part sectional drawing which shows the open state of a door. この発明の実施の形態1に係る回転扉の保持機構において、扉を閉めるために板バネを押している状態を示す要部断面図である。FIG. 5 is a cross-sectional view of a main part showing a state in which a leaf spring is pushed to close the door in the rotary door holding mechanism according to Embodiment 1 of the present invention. この発明の実施の形態1に係る回転扉の保持機構において、扉を閉めている途中を示す要部断面図である。In the holding mechanism of the rotary door which concerns on Embodiment 1 of this invention, it is principal part sectional drawing which shows the middle of closing the door. この発明の実施の形態1に係る回転扉の保持機構において、扉の閉鎖状態を示す要部断面図である。In the holding mechanism of the rotary door which concerns on Embodiment 1 of this invention, it is principal part sectional drawing which shows the closed state of a door. この発明の実施の形態2に係る回転扉の保持機構において、板バネの剛性を向上させた場合を示す要部断面図である。FIG. 9 is a cross-sectional view of a main part showing a case where the rigidity of a leaf spring is improved in a rotary door holding mechanism according to Embodiment 2 of the present invention. この発明の実施の形態3に係る回転扉の保持機構において、板バネの座屈方向を規制した場合を示す要部断面図である。It is principal part sectional drawing which shows the case where the buckling direction of a leaf | plate spring is controlled in the rotary door holding mechanism which concerns on Embodiment 3 of this invention. この発明の実施の形態4に係る回転扉の保持機構において、リブ段差部を鋭角にした場合を示す拡大断面図である。It is an expanded sectional view which shows the case where the rib level difference part is made into an acute angle in the holding mechanism of the rotary door which concerns on Embodiment 4 of this invention. この発明の実施の形態5に係る回転扉の保持機構において、リブと扉を別部品とした場合を示す拡大断面図である。In the holding mechanism of the rotary door which concerns on Embodiment 5 of this invention, it is an expanded sectional view which shows the case where a rib and a door are made into another components. この発明の実施の形態6に係る回転扉の保持機構において、板バネ形状を変更した場合を示す拡大断面図である。It is an expanded sectional view which shows the case where a leaf | plate spring shape is changed in the holding mechanism of the rotary door which concerns on Embodiment 6 of this invention. この発明の実施の形態7に係る回転扉の保持機構において、板バネ構造の各部の配置を規定した場合を示す要部断面図である。It is principal part sectional drawing which shows the case where the arrangement | positioning of each part of a leaf | plate spring structure is prescribed | regulated in the holding mechanism of the rotary door which concerns on Embodiment 7 of this invention. この発明の実施の形態8に係る回転扉の保持機構において、扉の開放限度を規定した場合を示す要部断面図である。It is principal part sectional drawing which shows the case where the open limit of a door is prescribed | regulated in the holding mechanism of the rotary door which concerns on Embodiment 8 of this invention.

符号の説明Explanation of symbols

1 筐体、1a 孔部、2 扉、2a 回転軸、2b リブ、2c リブ円弧部、2d リブ段差部、3 板バネ、3a 固定部(支点)、3b 自由端(力点)、3c 段差部(作用点)、3d L字部、3e 曲げ部、3f 凸部、4 固定具。

DESCRIPTION OF SYMBOLS 1 Housing | casing, 1a Hole part, 2 door, 2a rotating shaft, 2b rib, 2c rib circular arc part, 2d rib step part, 3 leaf spring, 3a fixed part (fulcrum), 3b free end (force point), 3c step part ( Action point), 3d L-shaped part, 3e bent part, 3f convex part, 4 fixture.

Claims (10)

筐体の前面に回転軸で軸止される扉と、
段差形状を有し、前記扉の回転軸周辺に形成されるリブと、
前記回転軸の周辺で一端を前記筐体に固定され、前記固定端から延出する部分に段差形状が形成され、前記扉を開いたときに操作可能な位置に自由端が配置された板バネとを備え、
前記扉を開いたときには、前記リブの段差形状前記板バネの段差形状とが直交を含む鋭角に入り込んで係止され、
前記扉を閉じるときには、前記板バネの前記自由端を操作することで前記リブの段差形状が前記板バネの段差形状から外れることを特徴とする回転扉の保持機構。
A door that is fixed to the front surface of the housing by a rotation shaft;
A rib having a step shape and formed around the rotation axis of the door;
A leaf spring in which one end is fixed to the casing around the rotation shaft, a step shape is formed in a portion extending from the fixed end, and a free end is disposed at a position where the door can be operated when the door is opened. And
When the door is opened, the step shape of the rib and the step shape of the leaf spring enter into an acute angle including orthogonality and are locked,
When the door is closed, the step shape of the rib is deviated from the step shape of the leaf spring by operating the free end of the leaf spring.
前記板バネの前記段差形状と前記自由端との間がL字形状であることを特徴とする請求項1記載の回転扉の保持機構。   The revolving door holding mechanism according to claim 1, wherein an interval between the step shape of the leaf spring and the free end is L-shaped. 前記リブの段差形状の外周部分に、所定の曲率半径を有する円弧形状を形成したことを特徴とする請求項1または請求項2記載の回転扉の保持機構。   The rotating door holding mechanism according to claim 1 or 2, wherein an arc shape having a predetermined radius of curvature is formed on an outer peripheral portion of the stepped shape of the rib. 前記板バネの前記自由端と前記段差形状との間の部分において、前記板バネの幅方向の両端を折り曲げたことを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持構造。   The both ends of the width direction of the said leaf | plate spring were bent in the part between the said free end and the said level | step difference shape of the said leaf | plate spring, The Claim 1 characterized by the above-mentioned. Revolving door holding structure. 前記板バネにおいて、前記扉を開いたときに前記リブと対向する位置に凸部を形成したことを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持機構。   4. The holding mechanism for a rotary door according to claim 1, wherein a convex portion is formed at a position facing the rib when the door is opened in the leaf spring. 5. . 前記リブの前記段差形状の段差角度を鋭角にしたことを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持機構。   The rotating door holding mechanism according to any one of claims 1 to 3, wherein a step angle of the step shape of the rib is an acute angle. 前記リブと前記扉とを別部品で構成したことを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持機構。   The holding mechanism for a revolving door according to any one of claims 1 to 3, wherein the rib and the door are configured as separate parts. 前記板バネの前記段差形状と前記自由端との間の部分を延出したことを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持機構。   The rotating door holding mechanism according to any one of claims 1 to 3, wherein a portion between the step shape of the leaf spring and the free end is extended. 前記板バネを前記筐体に取り付けた状態で、鉛直方向で上から下へ順に前記固定端、前記段差形状、前記自由端と配置したことを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持機構。   The said fixed end, the said level | step difference shape, and the said free end are arrange | positioned in order from the top to the bottom in the perpendicular direction in the state which attached the said leaf | plate spring to the housing | casing. A rotating door holding mechanism according to any one of the preceding claims. 前記扉を開いたときに、前記板バネを前記筐体に固定する固定具と前記リブが当接して前記扉の開放限度を規定することを特徴とする請求項1から請求項3のうちのいずれか1項記載の回転扉の保持機構。   4. The opening limit of the door is defined by contacting the rib and the fixing member that fixes the leaf spring to the housing when the door is opened. 5. A rotating door holding mechanism according to any one of the preceding claims.
JP2005164615A 2005-06-03 2005-06-03 Revolving door holding mechanism Expired - Fee Related JP4584038B2 (en)

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