JP2006061207A - Gate for small children - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a highly safe gate for small children and doors in various forms capable of responding to the demands of purchasers by providing the door with a lock device which is difficult to operate for the small children. <P>SOLUTION: The gate for the small children comprises a support frame 20 in which the lower end parts of side frames 21a and 21b respectively erected along the left and right opposing walls of a path are connected to each other by a lower frame 22, an attachment adjuster 100 attached to the outer side of the side frames 21a and 21b of the support frame and pressed to the opposing walls of the path, the door 1 attached to one side frame 21b of the support frame 20 so as to be freely turned to the front and back by a hinge part 30 and the lock device 50 provided on the door 1 for locking the door 1 to the other side frame 21a of the support frame 20 in a closed state. The lock device 50 releases a lock state by a two-stage operation. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an infant gate that is installed at a doorway or a staircase in a room of a house or facility and prevents passage of an infant or a pet.

  Traditionally, in order to prevent infants from approaching dangerous places for children and pets, such as kitchens and stairs, or places where entry is not desirable, it is possible to open and close the passages leading to these places and lock them when closed A gate is installed.

  This kind of infant gate is attached to the outside of the side frame of the door frame and the door frame in which the lower ends of the side frames standing along the left and right opposing walls of the passage are connected to each other by the lower frame. A projecting member pressed against the opposing wall of the passage; a door body rotatably attached to one side frame of the door frame body; and the door body provided on the other side frame of the door frame body. A locking mechanism that locks in the closed state, and the locking mechanism is pivotally supported by the other side frame so as to be pivotable up and down, and is detachably locked to the upper end of the door body, and the other side Formed with a pressing member that is attached to the side frame and slides to the left and right by the rotation of the holder member, and protrudes inward with the holder member covering the door body and presses the side surface of the door body toward the one side frame side. (For example, see Patent Document 1) .

  In addition, a reverse gate-shaped support frame to which the door body is attached so that it can be opened and closed, an attachment mechanism for attaching the support frame between opposing walls such as a passage, and a lock mechanism that locks the door body when it is closed. The lock mechanism has a locking claw that engages with the door body and an opening that fits into the support frame column, and a lock handle that is rotatably attached to the door body, and is locked in conjunction with the lock handle. There are some which are configured by a lock rod which is locked to the lower frame of the support frame (see, for example, Patent Document 2).

Japanese Patent Laid-Open No. 10-14719 (page 3-4, FIG. 1-2) JP 2000-245583 A (page 3-5, FIGS. 1, 2 and 6)

  In the infant gate of Patent Document 1, the upper end of the door frame is locked by a lock mechanism provided at the upper end of the side frame, and the lower part of the door frame is in a free state. Even if the frame is closed and locked, there is a problem that the door frame is likely to rattle.

The infant gate of Patent Document 2 was made in order to solve the above-mentioned problem of Patent Document 1, and does not cause rattling when the door is locked, and is installed between opposing walls. Although it is popular with consumers because of its large degree of freedom, large infants could unlock and open the door.
Moreover, the conventional infant gate has a fixed form, and cannot meet the various demands of buyers.

The present invention has been made in order to solve the above-mentioned problems, and has as its first object to provide a highly safe gate for an infant provided with a lock device that is difficult for an infant to operate on a door. It is.
A second object of the present invention is to provide an infant gate having various types of doors in order to meet the needs of buyers.

(1) The infant gate according to the present invention is attached to the support frame in which the lower ends of the side frames standing along the left and right opposing walls of the passage are connected to each other by the lower frame, and to the outside of the side frame of the support frame. A mounting adjustment tool that is pressed against the opposite wall of the passage, a door that is pivotally mounted to one side frame of the support frame by a hinge portion, and a door that is provided on the door and that is provided on the other side of the support frame. The side frame is provided with a lock device that locks the door in the closed state, and the lock device releases the locked state by a two-step operation.

(2) The upper and lower lock pins that are provided in the upper and lower portions of the door so that the lock device of (1) can be advanced and retracted and engage with the other side frame of the support frame, and a handle that simultaneously retracts the lock pins. And a stopper for restricting the operation of the handle, and by retracting the stopper and operating the handle, the upper and lower two lock pins are simultaneously retracted to release the locked state.

(3) A nut was embedded in the hinge part side of the door frame of the above (1) or (2), and the door side member of the hinge part was fixed by a bolt screwed into the nut.
(4) Moreover, the door in any one of said (1)-(3) is formed in a frame-like frame body by the left and right vertical frame, an upper frame, and a lower frame, and all or the inner peripheral surface of this frame body A plurality of face materials having an outer edge adapted to the groove and having different shapes are prepared, and one face material selected according to the purchaser's preference is attached to the frame body. As a result, various types of doors can be obtained.

(5) An operation in which the lock device according to any one of (1) to (4) includes a handle whose one end is rotatably supported by a cover portion provided on the door, and a stopper that restricts the rotation of the handle. A button, the handle, and drive means for intervening between the two upper and lower lock pins to simultaneously retract the lock pins.

(6) The locking device of (5) has an operation button on the upper surface and a stopper on the lower surface, is slidable on the cover portion, and is mounted by protruding the operation button from the opening of the cover portion. A sliding member, one end of which is rotatably supported by the cover portion, a rotation of which is restricted by a stopper of the sliding member, a handle disposed within the cover portion, and connected to the other end of the handle The movement of the movable member, which has an upper lock pin and is arranged in the cover part, is restricted by the vertical movement of the transmission member and the lower part of the transmission member with the lower lock pin attached to the lower end part. Driving means for restricting the movement in the direction.

(7) The drive means of (6) above is provided with a cam groove, and the movable member is provided with a pin slidably contacting the cam groove so that the vertical movement of the drive means is converted into a lateral movement of the movable member. .

(8) The hinge part according to any one of (1) to (7) above is attached to a bearing member having a cam surface attached to one side frame of the support frame and one vertical frame of the door. With a rotating shaft having a projection protruding in sliding contact with the cam surface, the lock pin is automatically returned to the closed state using its own weight, and the lock pin can be moved forward and backward and urged in the forward direction. A guide surface for guiding the lock pin in the backward direction is provided at the lock pin abutting portion of the support frame, the lock pin is retracted by the guide surface by the restoring force of the door, and then the lock pin is supported by the urging force. The door is locked by engaging with the other side frame.

(9) All or part of the left and right vertical frames, the upper frame, the lower frame, and the face material of the door of any one of the above (1) to (8) is formed of wood.

In the present invention, when the door is closed, it can be surely locked to the support frame, and since a locking device that is difficult for an infant to operate is provided, a safe infant gate can be obtained.
In addition, since various face materials can be mounted on one frame, an infant gate having a door that meets the purchaser's request can be provided economically and quickly.

FIG. 1 is a front view of an infant gate according to an embodiment of the present invention, and FIG. 2 is a front view, right side view, AA sectional view, and bottom view of the door of FIG.
In FIG. 1, G is an infant gate, 1 is a door, 20 is a support frame of the door 1, 30 is an automatic closing function of the door 1, and a hinge part that rotatably supports the door 1 on the support frame 20, Reference numeral 50 denotes a lock device for the door 1, and 100 denotes an attachment adjustment tool for attaching the infant gate G between walls and pillars. Reference numeral 105 denotes an adjustment member as a spare attached to one side or both sides of the support frame 20 when the interval between the wall and the column for attaching the infant gate G is wide, but is not essential to the present invention.

  As shown in FIG. 2, the door 1 includes a frame body 2 in which vertical frames 3a and 3b made of wood, an upper frame 4a and a lower frame 4b are assembled in a frame shape, and upper and lower edges made of wood. The frame 4a is composed of a face member 6 detachably fitted in a groove 5 provided on the inner wall of the lower frame 4b, and a lock device mounting portion 7 formed in a concave shape is provided on one side of the upper frame 4a. ing. Therefore, one vertical frame 3a is shorter than the other vertical frame 3b. 8 is a through hole provided in communication with the vertical direction of the vertical frame 3a and the upper frame 4a, and 8a has a larger diameter than the through hole 8 provided in communication with the through hole 8 at the lower part of the through hole 8 and the lower frame 4b. This is a through hole. 31 and 32 are the upper rotating shaft and the lower rotating shaft which comprise the door side member of the hinge part 30 mentioned later provided in the side wall of the vertical frame 3b.

In the above description, the case where the vertical frames 3a, 3b, the upper frame 4a, the lower frame 4b, and the face material 6 of the door 1 are made of wood is shown. Moreover, although the case where the door 1 is configured by the frame 2 and the face material 6 detachably attached thereto is shown, these may be integrally formed by, for example, blow molding or the like.
Further, a character pattern may be provided on the face material 6 of the door 1 or the surface of the integrated door, a screen or the like may be attached, and the shape of the face material 6 may be changed or a lattice shape may be used. Alternatively, a plurality of face materials 6 having various shapes and patterns may be prepared, and the face material 6 selected in advance by the purchaser may be attached to the frame body 2 and shipped. By doing in this way, it can respond to various requests with one frame 2, and since the attached face material 6 cannot be removed easily, it can be used in peace. Further, a groove may be provided over the entire circumference of the peripheral surface of the frame body 2 and a face material covering the entire opening of the frame body 2 may be detachably mounted.

  The support frame 20 is made of wood or a synthetic resin molded product, and as shown in FIG. 3, the support frame 20 has a reverse portal shape with both side frames 21a and 21b and a lower frame 22 connecting the lower ends of the both side frames 21a and 21b. Screw holes 23a and 23b extending from the outer wall to the inner wall by inserting cylindrical female screws or the like are formed in the upper and lower portions of the both side frames 21a and 21b. Not shown).

Reference numeral 24 denotes an upper lock receiving member that covers and fixes the upper portion of one support frame 21a (excluding the screw hole 23a portion), and a first lock hole 25 that opens to the door 1 side on the inner side (door 1 side). Is provided. Reference numeral 26 denotes a lower lock receiving member which covers and fixes the lower portion of the support frame 21a and the end of the connection frame 22 (excluding the screw hole 23b portion), and opens upward (on the door 1 side) on the upper surface side of the connection frame 22. A second lock hole 27 is provided. It should be noted that guides that incline toward the first and second lock holes 25 and 27 are provided on both sides (front and rear surfaces) of the first and second lock holes 25 and 27 of the upper lock receiver member 24 and the lower lock receiver member 26. Surfaces 24a and 26a are provided (see FIG. 1).
Reference numerals 37 and 38 denote an upper bearing member and a lower bearing member that are fixed so as to cover the upper and lower portions of the other support frame 21b and the end portion of the connecting frame 22, and an upper rotary shaft 31 and a lower rotary shaft 32 provided on the door 1. It is a frame side member which comprises the hinge part 30 by this.

Next, the hinge part 30 which supports the door 1 in the support frame 20 so that opening and closing is possible will be described with reference to FIGS.
4 and FIG. 5 and FIG. 6 which are exploded perspective views of the hinge portion 30, reference numerals 31 and 32 denote an upper rotating shaft and a lower rotating shaft having substantially the same structure attached to the door 1, and the main body portions 33a and 33b and the main body portion. 33a and 33b, and support shafts 34a and 34b extending upwardly or downwardly toward one side of the upper surface or the lower surface of the upper surface or the lower surface of the main body portions 33a and 33b. 35b is provided. The support shaft 34a of the upper rotary shaft 31 is provided with a bearing hole 36 that opens at the upper end. A coil spring 44 is inserted into the bearing hole 36.

  FIG. 7 shows an attachment structure for attaching the upper rotary shaft 31 and the lower rotary shaft 32 to the vertical frame 3 b of the door 1. As shown in FIG. 7B, a female screw 9a is provided in the vertical direction of the vertical frame 3b of the door 1 perpendicular to the axial direction, and a mark 9b indicating the direction of the female screw 9a is provided on the front end surface. The provided nut 9 is embedded, and the upper rotary shaft 31 and the lower rotary shaft 32 are each divided into two parts, and a bolt 32a is screwed into the female screw 9a of the nut 9 as shown in FIG. And it is attached to the side wall of the vertical frame 3b. With such an attachment structure, it is possible to prevent damage to the vertical frame 3b caused by stress concentrated on the connecting portion between the hinge portion 30 and the door 1 when the door 1 is opened.

  Reference numeral 37 denotes an upper bearing member that covers and fixes the upper portion of the side frame 21b of the support frame 20, and includes a main body portion 39 and a bifurcated attachment portion 40. An inclined surface 41 (hereinafter referred to as a cam surface) is formed so as to be obliquely cut so that the central portion on the door 1 side is at the lowest position. The main body 39 is provided with a holed hole 42 into which the support shaft 34a of the upper rotary shaft 31 is inserted so as to be rotatable and slidable in the vertical direction. A bearing hole of the support shaft 34a is provided on the top surface. A support pin 43 that is inserted into 36 so as to be rotatable and slidable in the vertical direction is projected. The upper bearing member 37 is fixed with screws by fitting the mounting portion 40 to the upper portion of the side frame 21b of the support frame 20.

  Reference numeral 38 denotes a lower bearing member that covers and fixes the lower portion of the side frame 21b of the support frame 20 and the end portion of the lower frame 22, and includes a main body portion 44 and a bifurcated attachment portion 45, and a lower end portion is bifurcated. Is open. The upper surface of the main body 44 has a cam surface 46 that is cut in an oblique direction so that the central portion on the door 1 side is at the lowest position in the same direction as the cam surface 41 of the upper bearing member 37, and therefore in the lower left part of the figure. Fitting recesses 47a and 47b are formed facing each other at, for example, 90 ° apart from the center on the cam surface 46. Further, the main body portion 44 is provided with a fitting hole 48 that penetrates in the vertical direction and is inserted into the support shaft 34b of the lower rotary shaft 32 so as to be rotatable and slidable in the vertical direction. The lower bearing member 38 has the mounting portion 45 and the lower end portion fitted to the lower portion of the side frame 21b and the end portion of the lower frame 22, and is fixed by screws. In this case, the cam surface 41 of the upper bearing member 37 and the cam surface 46 of the lower bearing member 38 are parallel, and the vertical direction of the door 1 always corresponds to the cam surfaces 41 and 46 regardless of the opening angle of the door 1. Since it is in the position, rattling of the door 1 can be prevented.

Next, the attachment procedure and operation of the hinge part 30 including the above parts will be described. In addition, the upper rotating shaft 31 and the lower rotating shaft 32 shall be previously attached to the vertical frame 3b of the door 1. As shown in FIG.
First, the door 1 is positioned in the support frame 20 to which the lower bearing member 38 is attached, and the support shaft 34 b of the lower rotating shaft 32 is inserted into the fitting hole 48 of the lower bearing member 38. Next, the ceiling hole 42 of the upper bearing member 37 is fitted into the support shaft 34a of the upper rotary shaft 31, the support pin 43 is fitted into the bearing hole 36, and the mounting portion 40 is fitted into the side frame 21b. Secure with screws. At this time, the coil spring 44 is interposed between the bottom portion of the bearing hole 36 and the top surface of the ceiling hole 42 along the outer periphery of the support pin 43 to urge the door 1 downward.

  Thereby, the door 1 is supported by the support frame 20 by the hinge part 30 so that opening and closing is possible. The state at this time is shown in FIG. At this time, the protrusions 35a and 35b, which are cam followers of the upper rotating shaft 31 and the lower rotating shaft 32, are always at the distal end portions of the cam surfaces 41 and 46 of the upper bearing member 37 and the lower bearing member 38 by the biasing force of the coil spring 44. That is, it contacts the lowermost part. Since the coil spring 44 biases the door 1 downward, the door 1 rotates semi-automatically in the closing direction.

  Now, when the door 1 is rotated and opened in the direction of arrow a in FIG. 4, the protrusions 35 a and 35 b of the upper rotating shaft 31 and the lower rotating shaft 32 are connected to the cam surfaces 41 and the upper bearing member 37 and the lower bearing member 38. It moves along 46 and the door 1 rises in connection with this. When the door 1 rotates 90 ° and the projection 35b of the lower rotating shaft 32 is fitted into the fitting recess 47a of the cam surface 46, the door 1 is stopped, and the door 1 is stably held at that position by the action of the coil spring 44. .

When closing the door 1, when the door 1 is pushed in the direction of the arrow b with a weak force, the projection 35b is detached from the fitting recess 47a, and the door 1 is automatically rotated in the direction of the arrow b by its own weight, and the projection 35a. , 35 b move along the cam surfaces 41, 46, rotate while descending by the biasing force of the coil spring 44, return to the original position, and are closed.
The operation when the door 1 is opened by rotating in the direction of the arrow b and the door 1 is closed is the same as described above.
Thus, the hinge part 30 in this invention is provided with the automatic closing function which can close the door 1 automatically by the effect | action of the cam surfaces 41 and 46 and the coil spring 44 which were cut off diagonally.

FIG. 8 is a longitudinal sectional view for explaining a door locking device, and FIG. 9 is an exploded perspective view of the locking device.
In the locking device 50, 51 is composed of an upper surface plate 52, a front surface plate 53 a and a side surface plate 53 b that are divided into two from the center in the width direction, and is disposed on the locking device mounting portion 7 of the door 1 and fixed to the upper frame 4 a. In the cover portion (only one is shown in the figure), the upper surface plate 52 is provided with openings 54a and 54b at a predetermined distance, and a predetermined gap is provided on the lower surface of the upper surface plate 52 in the longitudinal direction. A guide hole 55 is provided. Reference numeral 56 denotes a spring accommodating chamber provided substantially below the center of the guide hole 55 in the longitudinal direction. Reference numeral 57 denotes a housing portion of the movable member 80 described later, and 58 denotes a pin hole provided in the front plate 53 a corresponding to the housing portion 57. Reference numeral 59 denotes a support portion that is provided on the side plate 53b in the vicinity of the end portion of the guide hole 55 (on the opposite side of the front plate 53a) and supports a handle 70 described later.

  Reference numeral 60 denotes a sliding member which is a locking means of a handle 70 which will be described later. The sliding member 61 is slidably inserted into a guide hole 55 of the cover portion 51, and is provided on the upper surface of the sliding plate 61 at a predetermined interval. The operation buttons 62a and 62b inserted into the openings 54a and 54b of the cover 51 from below and projecting to the upper surface side, the stopper 63 projecting from the lower surface of the sliding plate 61 below the operation button 62a, It consists of a rib 64 projecting from the lower surface of the sliding plate 61 at a substantially middle portion between the operation buttons 62a and 62b. A spring 65 is accommodated in the spring chamber 56 of the cover portion 51.

  Reference numeral 70 denotes a handle composed of a U-shaped main body 71 and support arms 72 and 73 provided on both sides thereof. A fitting hole 76 is provided on the upper surface of the main body 71 on the support arm 73 side. The handle 70 is disposed below the guide hole 55 and the spring accommodating chamber 56 and is pivotally supported by the support portion 59 of the cover portion 51 by a pin hole 74 provided at the end of one support arm 72. The other support arm 73 is placed on a support portion 57a provided on the upper portion of the accommodating portion 57 of the movable member 80 and is held almost horizontally.

Reference numeral 80 denotes a movable member that forms a first lock portion that is driven by a driving member 90 described later. A spring seat 85 is provided on the outer surface of the side wall 84 provided in the section and the narrow chamber 83 side of the partition wall 81 (the spring seat of the partition wall 81 is not shown). The rear wall 86 is provided with a pin 87 protruding into the wide chamber 82. Reference numeral 88 denotes a first lock pin having a flange 88a having a diameter larger than that of the pin hole 58 of the cover portion 51, and its tip end portion is formed in a substantially hemispherical shape.
The movable member 80 is accommodated in the accommodating portion 57 of the cover portion 51, and the first lock pin 88 is inserted into the pin hole 58 from the inside. A spring 89b is interposed between the spring seat 85 of the side wall 84 and the vertical wall of the accommodating chamber 57, and the first seat is provided between the spring seat of the partition wall 81 and the flange 88a of the first lock pin 88. A spring 89a is installed to urge the lock pin 88 in the forward and backward direction and urge it in the forward direction.

Reference numeral 90 denotes a driving means that is inserted through a gap 58 a formed between the accommodating portions 57 of the cover portion 51 and is placed on the upper frame 4 a of the locking device mounting portion 7 of the door 1 to drive the movable member 80. It has a base 91 having a connecting portion 92 of a wire 98, which will be described later, and a vertical plate 93 erected on one side of the upper surface of the base 91. The vertical plate 93 includes a movable member 80. A right-down cam hole 94 is provided in which the pin 87 is slidably inserted. Instead of the cam hole 94, for example, a right-down cam groove may be provided on the back side of the vertical plate 93. Hereinafter, these are collectively referred to as an inclined cam groove.
This drive member 90 inserts a vertical plate 93 into the large chamber 82 of the movable member 80 from below, inserts a pin 87 into the cam groove 94, and supports the handle 70 using a pin hole 95 provided at the upper end. A pin hole 75 provided at the tip of the arm 73 is pivotally supported by a pin.

96 has a flange 96a having a diameter larger than that of the through hole 8a provided in the lower frame 4b of the door 1 at the lower portion, and a lock pin holding portion constituting a second lock portion provided with an open hole that opens downward. Thus, a second lock pin 97 having a tip formed in, for example, a hemispherical shape is slidably inserted vertically into the through hole 8a.
98 is a transmission member made of, for example, a wire, one end of which is coupled to the coupling portion 92 of the drive member 90 and the other end is coupled to the second lock pin 97 to transmit the movement of the drive member 90 to the second lock pin 97. It is. The transmission member may be a wire made of a metal material, a wire material obtained by coating a metal material with a synthetic resin, and the like, hereinafter referred to as a wire. A spring 99 is interposed between the top plate and the second lock pin 97 in the hole of the lock pin holding portion 96 and biases the second lock pin 97 downward.

FIG. 8 is a cross-sectional view showing a state in which the door 1 is locked by incorporating the locking device 50 including the above-described parts into the door 1. In this state, the sliding plate 61 of the sliding member 60 is substantially at the center of the guide hole 55, the operation buttons 62 a and 62 b are positioned at the approximate center of the openings 54 a and 54 b, and the rib 64 is the spring 65. It is inserted almost at the center (hereinafter, this state is called a neutral position). The spring 65 may be divided into two and arranged on both sides of the rib 64, or may be provided on one side of the rib 64 so as to hold the sliding member 60 in a neutral position.
The handle 70 is held almost horizontally, and the upper surface of the main body 71 is in contact with the stopper 63 of the sliding member 60 to prevent rotation.

The movable member 80 is accommodated in the accommodating portion 57 of the cover portion 51, the first lock pin 88 protrudes from the pin hole 58, and the first lock hole 25 of the upper lock receiving member 24 provided in the side frame 21 a of the support frame 20. Is inserted. Note that the spring 89a interposed between the movable member 80 and the first lock pin 88 is compressed in this state, but does not expand any further.
Further, the vertical plate 93 of the drive member 90 is inserted into the large chamber 82 of the movable member 80, the upper end portion is connected to the support arm 73 of the handle 70, and the pin 87 is fitted into the cam groove 94 so that the upper end portion ( It is located on the left side of the figure. The base 91 is placed on the upper frame 4 a of the door 1.

The second lock pin 97 is lowered and fitted into the second lock hole 27 of the lower lock receiving member 26 provided between the support frame 21 a and the connecting frame 22.
Thus, in this state, the handle 70 is prevented from rotating by the stopper 63 of the sliding member 60, and the first and second lock pins 88, 97 are respectively connected to the first and second lock holes 25, 27, the door 1 cannot be opened.

When opening the door 1, as shown in FIG. 10, a hand is put in the lock device mounting portion 7 of the door 1 and the handle 70 is lightly gripped, and the operation button 62 a of the sliding member 60 is moved in the direction of the arrow with a thumb, for example. Press. Thereby, the sliding plate 61 slides in the guide hole 55, and the operation button 62a hits the end of the opening 54a and stops. At this time, the stopper 63 is positioned on the fitting hole 76 of the handle 66.
When the handle 70 is gripped strongly in this state, the handle 70 rotates in the direction of the arrow about the shaft support portion 59 at one end, and the stopper 63 is fitted into the fitting hole 76.

  When the handle 70 is rotated in the direction of the arrow, the drive member 90 connected to the end of the support arm 73 is raised, and accordingly, the pin 87 fitted in the cam groove 94 moves to the right in the figure. The movable member 80 having the first lock pin 88 also moves in the right direction in the figure, and the first lock pin 88 is detached from the first lock hole 25.

On the other hand, when the drive member 90 is raised, the wire 98 connected to the drive member 90 is also raised, and the second lock pin 97 attached to the lower end thereof is raised and detached from the second lock hole 27.
As described above, by pressing the operation button 62a and firmly grasping the handle 70, the first and second lock pins 88 and 97 are moved backward by the two-step operation, and from the first and second lock holes 25 and 27. The door 1 can be opened and closed back and forth via the hinge portion 30 because it is released and unlocked.

  When the door 1 is opened and the hand is released from the handle 70, the handle 70 acts by the spring 89a and the pin 87 of the movable member 80, the driving member 90 connected to the tip of the mounting arm 73, the load of the wire 98 and the lock pin holding. The sliding member 60 is urged by the spring 65 and slid in the counter-arrow direction by the urging force of the spring 99 of the portion 96 around the support portion 59, and returns to the original position. The stopper 63 comes into contact with the upper surface of the main body 71 of the handle 70 and locks the handle 70 in that position. Further, the movable member 80 moves to the left in the drawing as the driving member 90 is lowered, and the first and second lock pins 88 and 97 project from the pin hole 58 and the lock pin holding portion 96.

  As shown in FIG. 8, the mounting adjustment tool 100 includes a knob 101 and a bolt 102 formed integrally therewith, and the bolt 100 is screwed into screw holes 23 a and 23 b provided in the support frames 21 a and 21 b of the frame 20. Entered. Alternatively, the knob 101 and the bolt 102 having the head may be made separately, and the bolt 102 having a screw portion having a desired length may be inserted into a through hole provided in the center of the knob 101 so as not to rotate.

  Next, an example of an attachment procedure of the door 1 configured as described above and an opening / closing action of the door 1 will be described. Note that the upper rotary shaft 31, the lower rotary shaft 32 and the lock device 50 of the hinge portion 30 are preliminarily incorporated in the door 1, and the upper lock receiving member 24, the lower lock receiving member 26 and the support frame 20 are incorporated in the door 1. The lower bearing member 38 is attached in advance, and the bolts 102 of the attachment adjusting tool 100 are screwed into the screw holes 23a and 23b, respectively.

  First, the support frame 20 is disposed between opposing walls or columns (hereinafter, described as examples of columns) on which the door 1 is installed, and the lower frame 22 is placed on the floor surface. Then, the knob 101 of the mounting adjustment tool 100 is rotated, and the bolt 102 is moved forward or backward to press the head of the knob 101 against the column. Thereby, the support frame 20 is installed between the pillars. When the space between the pillars is wider than the width of the support frame 20, an adjustment member 105 (see FIG. 1) having space members 106a and 106b attached vertically is brought into contact with one or both side surfaces of the side frames 21a and 21b. The bolts 102 of the mounting adjustment tool 100 having the long bolts 102 are screwed into the screw holes 23a and 23b of the side frame 21a (or 21a and 21b) from the screw holes provided in the side frame 21a, and are integrally coupled to each other. Adjust the width. In this case, the space members 106a and 106b provided above and below the adjustment member 105 may be omitted.

  Next, the door 1 is positioned between the side frames 21 a and 21 b of the support frame 20, and the support shaft 34 b of the lower rotating shaft 32 is inserted into the fitting hole 48 of the lower bearing member 38. Next, the ceiling hole 42 of the upper bearing member 37 is fitted into the support shaft 34 a of the upper rotary shaft 31, and the support pin 43 is fitted into the bearing hole 36 from the coil spring 44. Then, the mounting portion 40 of the upper bearing member 37 is fitted into the side frame 21b and fixed with screws. At this time, the protrusion 35 a of the upper rotating shaft 31 abuts on the cam surface 41 of the upper bearing member 37, and the protrusion 35 b of the lower rotating shaft 32 abuts on the cam surface 46 of the lower bearing member 38. Thereby, the attachment of the door 1 is completed.

  When the door 1 is opened, if the handle 70 of the lock device 50 is grasped and the lock by the first and second lock pins 88 and 97 is released as described above, the door 1 can be moved forward or backward with the hinge portion 30 as the center. Can also be opened. When the door 1 is maintained in the open state, the door 1 is rotated by 90 °, for example, so that the protrusion 35b of the lower rotary shaft 32 is fitted into the fitting recess 47a or 47b provided on the cam surface 46 of the lower bearing member 38. If locked, the door 1 is held in that position by the action of the coil spring 44.

  When the hand is released from the handle 70 of the lock device 50 after the door 1 is opened, the lock device 50 automatically returns to the original state by the above-described action, and the first and second lock pins 88 and 97 are pin holes 58. And protrudes from the tip of the lock pin holding portion 96. The door 1 is rotated toward the closing position by the automatic closing function of the hinge portion 30 described above (the action of the cam surfaces 41 and 46 cut obliquely and the coil spring 44), and the first and second lock pins 88 and 97 abut against the upper lock receiving member 24 and the lower lock receiving member 26. At this time, the first and second lock pins 88 and 97 are guided by the inclined surfaces of the guide surfaces 24a and 26a, and the springs 89a and 99 are compressed and moved backward by the rotational force of the door 1, and the first and second lock pins 88 and 97 are retracted. When the position facing the lock holes 25 and 27 is reached, the springs 89a and 99 are urged to advance, and the first and second lock holes 25 and 27 are automatically fitted and locked again. In order to hold the door 1 in an open state, when the protrusion 35 b of the lower rotating shaft 32 is locked to the fitting recess 47 a (or 47 b) of the lower bearing member 38, the door 1 is moved to the coil spring 44. By pushing in the closing direction against the urging force, the projection 35b is detached from the fitting recess 47a (or 47b), and the door 1 is closed and locked by the above-described action.

In the above description, the case where the door 1 is attached to the support frame 20 by the hinge portion 30 having the automatic closing function has been described. However, the present invention is not limited to this, and a normal hinge may be used.
Moreover, although the case where the support frame 20 is installed between pillars by the mounting adjustment tool 100 which consists of the knob 101 and the volt | bolt 102 was shown, you may attach by another means.

As is apparent from the above description, according to the present invention, the lock is released by the two-step operation of pressing the operation button 62a of the sliding member 60 which is the locking means of the handle 70 and the gripping of the handle 70. Therefore, it is difficult and safe for a large infant to open the door 1.
Further, since the door 1 is locked at the upper and lower portions, there is no backlash when the door 1 is closed.

Further, the door 1 is driven by the drive member 90 driven by the handle 70 to drive the movable member 80 and the wire 98 so that the first and second lock pins 88 and 97 are advanced and retracted. Can be locked or unlocked.
Further, when the hinge portion 30 having an automatic closing function is used to support the door 1, the door 1 is automatically closed by the action of the cam surfaces 41 and 46 and the coil spring 44 cut obliquely, and the first The second lock pins 88 and 97 are guided by the first and second guide surfaces 24a and 24b and then retreated, and then moved forward and locked into the first and second lock holes 25 and 27, so that they forget to close. It is possible to obtain an infant door that is safe and easy to use.

1 is a front view of an infant gate according to an embodiment of the present invention. It is the front view of the door of FIG. 1, a right view, AA sectional drawing, and a bottom view. It is a front view of the support frame of FIG. It is an enlarged view of the principal part of FIG. FIG. 5 is a perspective view of an upper rotating shaft and an upper bearing member of FIG. 4. It is a perspective view of the lower rotating shaft and lower bearing member of FIG. It is sectional drawing which shows the state which attached the lower rotating shaft of FIG. 6 to the frame of the door. It is sectional drawing for demonstrating the locking device of FIG. It is a disassembled perspective view of the locking device of FIG. It is action | operation explanatory drawing of the locking device of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door, 2 Frame body, 3a, 3b Vertical frame, 4a Upper frame, 4b Lower frame, 5 Groove, 6 Face material, 7 Locking device mounting part, 8, 8a Through hole, 20 Support frame, 21a, 21b Side frame, 22 lower frame, 24 upper lock receiving member, 24a, 26a guide surface, 25 first lock hole, 26 lower lock receiving member, 27 second lock hole, 30 hinge part, 31 upper rotating shaft, 32 lower rotating shaft, 34a, 34b Support shaft, 35a, 35b Projection, 37 Upper bearing member, 38 Lower bearing member, 41, 46 Cam surface, 47a, 47b Fitting recess, 50 Lock device, 51 Cover part, 54a, 54b Opening part, 55 Guide hole, 58 pin hole, 60 sliding member, 62a, 62b operation button, 63 stopper, 70 handle, 71 body, 76 fitting hole, 80 movable member, 87 pin, 88 first lock pin 90, driving member, 93 vertical plate, 94 cam groove, 96 lock pin holding portion, 97 second lock pin, 98 wire, 100 mounting adjustment tool.

Claims (9)

  A support frame in which the lower ends of the side frames that stand up along the left and right opposing walls of the passage are connected to each other by a lower frame, and an attachment adjustment tool that is attached to the outside of the side frame of the support frame and pressed against the opposing walls of the passage A door attached to one side frame of the support frame so as to be pivotable back and forth by a hinge portion, and a lock device provided on the door and locking the door to the other side frame of the support frame in a closed state An infant gate, wherein the locking device releases the locked state by a two-stage operation.   The lock device is provided at the upper and lower portions of the door so as to be movable back and forth, and engages with the other side frame of the support frame; a handle for retreating the lock pins simultaneously; and operation of the handle. 2. The infant gate according to claim 1, further comprising a stopper for regulating, wherein the stopper is retracted and the handle is operated to simultaneously retract the two upper and lower lock pins to release the locked state.   The infant gate according to claim 1 or 2, wherein a nut is embedded in a hinge part side of the door frame and a door side member of the hinge part is fixed by a bolt screwed into the nut.   The door is formed into a frame-like frame body by left and right vertical frames, an upper frame, and a lower frame, and a groove is provided in all or a part of the inner peripheral surface of the frame body, and an outer edge that fits the groove is provided. In addition, by preparing a plurality of face materials with different forms and attaching one face material selected according to the purchaser's preference to the frame, it is possible to obtain doors of various forms. The infant gate according to any one of claims 1 to 3.   The lock device includes a handle rotatably supported by a cover portion having one end provided on the door, an operation button having a stopper for restricting the rotation of the handle, the handle, and the upper and lower two lock pins. The infant gate according to any one of claims 1 to 4, further comprising drive means for intervening between them to retreat these lock pins simultaneously.   The locking device has an operation button on the upper surface and a stopper on the lower surface, is slidable on the cover portion, and has a sliding member mounted by protruding the operation button from the opening of the cover portion. A handle that is rotatably supported by the cover part and whose rotation is restricted by a stopper of the sliding member, and is disposed in the cover part and is connected to the other end of the handle and moves in the vertical direction. This restricts the lateral movement of the movable member having the upper lock pin and disposed in the cover part, and also regulates the vertical movement of the transmission member having the lower lock pin attached to the lower end part. An infant gate according to claim 5, further comprising means.   7. The drive means according to claim 6, wherein the drive means is provided with a cam groove, and the movable member is provided with a pin slidably contacting the cam groove, so that the vertical movement of the drive means is converted into a lateral movement of the movable member. Infant gate.   A bearing member having a cam surface attached to one side frame of the support frame, and a rotating shaft having a projection attached to one of the vertical frames of the door and slidably contacting the cam surface. Therefore, the lock pin is automatically returned to the closed state by utilizing the dead weight of the door, and the lock pin can be moved forward and backward and urged in the forward direction, and the lock pin is provided at the lock pin contact portion of the support frame. A guide surface that guides in the backward direction is provided, and after the lock pin is retracted by the guide surface by the restoring force of the door, the lock pin is engaged with the other side frame of the support frame by the urging force to lock the door. The infant gate according to any one of claims 1 to 7.   The infant gate according to any one of claims 1 to 8, wherein all or part of the left and right vertical frames, upper frame, lower frame and face material of the door are made of wood.

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