JP3109213U - Automatic door stopper for storage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To develop and provide a lightweight, safe, and inexpensive automatic door stopper for a storage that can be easily installed and opened / closed and the door does not easily open due to vibration such as an earthquake. It is in.
SOLUTION: A guide pin is fitted in the middle of the stopper, and a guide groove that is inclined from the upper left part to the lower right part or from the lower left part to the upper right part in the central part of the switching lever and has both end portions formed horizontally is provided. And a mounting hole and a guide plate on the left and right sides of the substrate, a torsion coil extendable spring locking portion at the upper left end, and a spring locking portion at the upper right end, and one end of the torsion coil extending spring Is fixed to the spring locking part provided at the upper left corner of the board, and the other end is locked to the torsion coil extendable spring locking part provided at the center lower part of the switching lever, and the switching lever is moved to the left and fixed. The pin is fixed by the locking groove of the swing opening / closing fixing bracket to keep the door open, and when the fixing of the swing opening / closing fixing bracket is released, the coil telescopic spring extends and the switching lever is Return to the closed state.
[Selection] Figure 1

Description

  This invention relates to an automatic door stopper for storage.

  Conventionally, there are various types of fasteners for double doors, such as storages, but there are many things that can be easily opened and closed mainly using a magnet detachable fastener or an uneven fitting fastener. It was easy and popular.

  However, those that can be easily opened and closed, on the other hand, have the risk that an object in the shelf will move and the door will open easily due to the effects of vibration such as an earthquake, and the object in the shelf will fall. Accordingly, it is desired to develop an automatic door stopper for a safe storage that can easily open and close the door and is strong against vibration such as an earthquake.

Then, the patent document of the door stopper filed so far is introduced. (See Patent Documents 1 and 2.)
JP-A-9-121964 JP2003-095564

  All of the above-mentioned patent documents are door stoppers for doors, and a stopper for double doors such as a storage case is not disclosed at present.

  Therefore, this device can be easily installed and opened and closed by anyone, and the door is not easily opened by vibrations such as earthquakes. It is a lightweight, safe and inexpensive automatic type for storage. Develop and provide door stoppers.

  Therefore, in order to solve the above-mentioned problems, the present invention provides a double-speech door stopper provided with a mounting hole and a pair of guide plates for guiding the stopper at the left and right sides of the center, and a torsion coil extension spring spring at the upper left end. A board with a return spring locking part at the stop and upper right end, a stopper with a guide pin fitted at the center lower part, and a center part inclined from the upper left part to the lower right part or from the lower left part to the upper right part. Also, a left and right movable switching lever with a horizontal guide groove formed on the left and right ends, and a twisted coil expansion and contraction spring locking portion at the lower center, and a return that is pivotally attached to the right center of the board A spring-operated swing open / close fixing bracket, a torsion coil telescopic spring locked to the upper left latching part of the board and a left and right movable switching lever center latching part, and a mounting hole at the same position as the board A cover and the view The opening door stopper is installed in the central part of the door on the side of the storage cabinet so that the stopper mounting direction is located on the door side. The fixed pin is fixed by the locking groove of the swing opening / closing type fixing bracket, and the door is kept open, and when the fixing of the swing opening / closing type fixing is released, the torsion coil extendable spring Is extended and the left-right movable switching lever returns to the base closed state.

  As an effect of this device, the double door stopper is provided with a mounting hole and a pair of guide plates for guiding the stopper at the center left and right, and a torsion coil extendable spring locking portion at the upper left end and an upper right end. A board provided with a return spring locking part, a stopper fitted with a guide pin at the center lower part, an inclined part from the upper left part to the lower right part or the lower left part to the upper right part in the central part, and the left and right end local parts A left and right movable switching lever with a horizontally formed guide groove and a twist coil expansion and contraction spring locking part at the center lower part, and a swinging opening and closing type with a return spring pivotally attached to the right center part of the board A fixing bracket, a torsion coil telescopic spring locked to a left upper end locking portion of the substrate and a left and right movable switching lever center lower locking portion, a cover provided with a mounting hole at the same position as the substrate, and Stopper for double doors Is installed in the central part of the door on the side of the storage cabinet so that the stopper mounting direction is located on the door side, and the opening / closing of the double door stopper is moved to the left, The fixed pin part is held by the locking groove of the swing opening / closing fixing bracket to keep the door open, and when the fixing of the swing opening / closing fixing bracket is released, the torsion coil telescopic spring expands and moves left and right By returning the system switching lever to the base closed state, the door is not easily opened by vibrations such as an earthquake, and a normal opening / closing operation can be easily performed with one hand.

  In addition, since the structure is simple and difficult to break down, and the mounting method can be mounted in the upside down direction, it can be appropriately changed according to the use situation and purpose of use, and it has extremely beneficial effects such as low cost. .

  As the best mode of this device, the installation position of the automatic door stopper for storage can be installed at either the upper or lower part of the center of the left and right doors depending on the situation, but when considering workability, operability and safety It is more desirable to attach to the lower side.

  Accordingly, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3. A double door stopper for a double door, such as a storage, is provided with mounting holes (1a ) And a pair of guide plates (1b) for guiding the stopper (2), a torsion coil extendable spring locking portion (1c) at the upper left end, and a return spring locking portion (1d) at the upper right end A board (1) provided with a stopper, a stopper (2) fitted with a guide pin (2a) at the center lower part, and a central part inclined from the upper left part to the lower right part or from the lower left part to the upper right part, and left and right Left and right movable switching lever (3) provided with a guide groove (3a) formed horizontally at both ends and a torsion coil extendable spring locking part (3b) at the center lower part, and a substantially right center part of the substrate Swing open / close fixed bracket with return spring (SP2) (5), a torsion coil telescopic spring (SP1) locked to the left upper end locking portion (1c) of the substrate and the left / right movable switching lever center lower locking portion (3b), and a mounting hole at the same position as the substrate (4a) is provided with a cover (4), and the door-opening door stopper is attached to the central portion of the door on the storage body (S ') side with the stopper (2) attached in the direction of the door (S). To open and close the double door stopper, move the left / right switch lever (3) to the left and move the fixed pin (3c) to the swing open / close fixing bracket (5). The door is kept open by being fixed by the locking groove (5c), and the torsion coil expansion and contraction spring (SP1) is extended when the swinging open / close fixing bracket (5) is released to move left and right. That the switch lever (3) returns to the original closed state. Consisting of automatic door stopper for the storage box for the butterflies.

  Next, the assembly procedure and attachment procedure of this device will be described. First, the stopper (2) is inserted into the guide plate (1b) provided at the center left and right of the substrate (1), and then the stopper (2) is inserted. The guide pin (2a) is fixed so as to be shifted slightly upward so that the guide pin (2a) is positioned at the center of the upper and lower sides of the substrate (1), and then the swing shaft mounting hole (1e) provided in the upper right portion of the substrate (1) The swing opening / closing type fixing bracket (5) is fitted to the locking hole portion (5b) of the swing opening / closing type fixing bracket (5) and the upper right end of the substrate. It fits in each part (1d). Then, the guide groove portion of the left / right movement type switching lever (3) is inserted into the guide pin (2a) portion of the stopper (2), and the left / right movement type switching lever (3) is horizontal with respect to the longitudinal direction of the substrate (1). Install as shown. Next, the torsion coil extendable spring (SP1) is fixed to the upper left latching portion (1c) of the substrate and the latching portion (3b) at the lower center of the left and right movable switching lever (3), and finally the cover (4). Align the mounting holes (1a) and (4a) of the substrate (1) with the cover (4) while aligning the outer periphery of the substrate (1) with the screw (S1) and lower body (S) of the storage door (S). ') Secure to the side.

  It may be attached to the upper center of the door depending on the use situation, but in this case, the attachment direction is reversed and the stopper (2) is directed downward, and is fixed to the main body (S ') side. .

  Next, the opening / closing operation method of the present invention will be described. As shown in FIG. 4, (A) shows a neutral state, but when it is actually used, it is not used in a neutral state. When the door is opened to the right, the right side of the left / right switching lever (3) is pushed leftward to move the stopper (2) downward, so that the locking groove (5c) of the swing opening / closing fixing bracket (5) becomes the return spring. (SP2) is inserted into the fixed pin portion (3c) of the left-right movable switching lever (3) and is locked, so the door is opened. When the door is closed as shown in (C), after the storage door (S) is closed, if the swing open / close fixing bracket (5) is pushed downward, the locking groove (5c) is fixed to the fixing pin portion. (3c) is released and the locked state is released, the left / right movable switching lever (3) is pressed by the torsion coil telescopic spring (SP1) and moved to the right, and the stopper (2) is pressed upward to close the door. It becomes a state.

  As another example, in order to prevent the parts from falling apart when removed as shown in FIG. 7, the cover mounting holes (1'a) (4'a) and the automatic door stopper for storage are installed. You may provide a hole (1'b) separately. However, material costs and processing costs are slightly higher in terms of cost.

  This device contributes to many consumers because it prevents the items inside the storage box from popping out due to vibrations such as earthquakes by attaching and fixing it to the lower center or upper part of the double doors such as storage. And has industrial applicability.

An embodiment of this device is shown, (A) (B) (C) 1 shows an embodiment of the present invention and is a cross-sectional view taken along the line aa in FIG. An embodiment of the present invention is shown, in which (A) is a cross-sectional view taken along the line bb in FIG. 1 (B), (B) is a cross-sectional view taken along the line cc in FIG. FIG. 2 is a cross-sectional view taken along the line dd in FIG. 1 shows an embodiment of the invention, and is an operation principle diagram of an automatic door stopper for a storage, wherein (A) shows a neutral state, (B) shows an open state, and (C) shows a closed state. It is a sectional view The usage example of this invention is shown, (A) is a front view, (B) is the a section enlarged detail view of FIG. 5 (A). The usage example of this device is shown, (A) is a right side view, (B) is an enlarged view of a part of FIG. 6 (A). Other Examples are shown, (A) is a plan view, (B) is a front view, and (C) is a right side view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Board | substrate 1a Mounting hole 1b Guide plate 1c Torsion coil expansion-and-contraction type spring locking part 1d Return spring locking part 1e Swing shaft mounting hole 1 'Board | substrate 1'a Mounting hole 1'b Mounting hole 2 Stopper 2a Guide Pin 3 Left and right movement switching lever 3a Guide groove 3b Torsion coil telescopic spring locking portion 3c Fixed pin portion 4 Cover 4a Mounting hole 4 'Cover 5 Swinging open / close fixing bracket 5a Swing shaft 5b Return spring locking hole 5c Locking groove S Storage door S 'Storage body S1 Screw S2 Screw SP1 Torsion coil extendable spring SP2 Return spring

Claims (1)

  A double door stopper for a storage door or the like, wherein the double door stopper is provided with a pair of guide plates (1b) for guiding the mounting hole (1a) and the stopper (2) at the center left and right, and A board (1) provided with a torsion coil telescopic spring locking portion (1c) at the upper left end and a return spring locking portion (1d) at the upper right end, and a guide pin (2a) at the lower center. A stopper (2) and a guide groove (3a) inclined in the center from the upper left to the lower right or from the lower left to the upper right and horizontally formed at the left and right ends, and twisted at the lower center A left-right movable switching lever (3) provided with a coil extendable spring locking portion (3b), a swing opening / closing fixing bracket (5) with a return spring (SP2) pivotally mounted at substantially the right center of the board, The left upper edge latching part (1c) of the board and the left / right movable switching lever -It consists of a torsion coil telescopic spring (SP1) locked to the center lower locking portion (3b) and a cover (4) provided with a mounting hole (4a) at the same position as the substrate, and for the double door The stopper is installed in the central part of the door on the storage body (S ') side so that the mounting direction of the stopper (2) is located on the door (S) side. The movable switching lever (3) is moved to the left, and the fixed pin portion (3c) is fixed by the locking groove portion (5c) of the swing opening and closing type fixing bracket (5), and the open state is maintained. When the swing open / close fixing bracket (5) is released, the torsion coil telescopic spring (SP1) extends and the left / right movable switching lever (3) returns to the base closed state. Automatic door stopper.

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