JP2011209117A - Door open/close tester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door open/close tester having a simple and inexpensive constitution, mitigating a shock by reducing an open/close speed of a door before and after an open position and a close position of the door, and installed at and separated from the door.SOLUTION: A reciprocating slider crank mechanism is provided. A coupling groove 11b is formed in a slider 11 comprising a rolling body 8b in a pivot 8 a coupling member 8a. The coupling member 8a and the coupling groove 11b are coupled to make an arm comprise a swing arm 14 and a coupling arm 15. A turning apparatus 9 turns a crank 12 and makes the swing arm 14 swung on a pivot 8 as a support point by the reciprocating movement of the slider 11, thereby making the coupling arm 15 and a coupling body 18 relatively slidable. A pedestal 7 comprises: an installation table 7a for moving a floor 6; a lower support post 7b fixed to the installation table 7a; and an upper support post 7c provided in the lower support post 7b, and movable in the height direction. The coupling arm 15 is extendable over the entire length. A structure has a movable position at which the swing arm 14 is pivoted.

Description

  The present invention relates to a door opening / closing test apparatus for performing an opening / closing repeated test of a door pivotably attached to a door frame fixed to a housing.

  Conventionally, as a door opening / closing test device, a swivel shaft is provided at the rod end of a clevis-type air cylinder, an arm connected to the swivel shaft is connected to the door, and the rod of the air cylinder is pushed and pulled so that the arm is swiveled. There is a device that revolves around and repeatedly opens and closes the door. This device can be manufactured at a low cost with a simple structure, but since the opening and closing speed of the door is constant, there is a large impact and sound when stopping at the closed and open positions of the door.

  On the other hand, Patent Document 1 discloses a door opening / closing test apparatus that reduces the opening / closing speed of the door before and after the closed position and the open position of the door to reduce the impact. In this device, the drive shaft is rotated by the drive device, the rotation is transmitted from the output gear connected to the drive shaft to the input gear, and the swiveling shaft (rotating shaft) connected to the input gear rotates. It is a device that turns (rotates) an arm connected to a shaft to repeatedly open and close the door. In addition, this device is provided with a device that automatically holds and opens the handle of the door on the arm. For this reason, the apparatus is installed in the vicinity of the door so that the pivot axis is on or near the same axis as the longitudinal axis of the door. In addition, a servo motor is used as the drive device to control the rotation speed and rotation angle of the arm, and the door opening / closing speed and opening angle can be freely adjusted.

Japanese Patent No. 2783736

  A conventional door open / close test apparatus using an air cylinder has a problem of noise when stopping at a closed position and an open position of the door. There is also a problem that the rod part of the air cylinder and the link part of the arm are damaged early.

  The door opening / closing test apparatus disclosed in Patent Document 1 must be installed so that the pivot axis of the apparatus is on or near the same axis as the vertical axis of the door, so the apparatus must be installed near the door. In other words, the device cannot be installed away from the door. For example, there is an electromagnetic shielding door that shields electromagnetic waves. In this test, the door is repeatedly opened and closed a predetermined number of times to check the shielding of electromagnetic waves, and this operation is repeated a predetermined number of times for testing. For this reason, if there is a device near the door, it becomes an obstacle and causes troubles in confirmation of irradiation and measurement of electromagnetic waves.

  In addition, since a servo motor is used in the drive device, the door opening and closing speed and opening angle can be adjusted freely, but the design and equipment costs related to servo motor control are high, and adjustment is required for those who have specialized knowledge. There is a problem that it is limited to.

  Therefore, in view of the above problems, the present invention can be installed with a simple and inexpensive configuration, reducing the opening and closing speed of the door before and after the door closing position and the opening position to reduce the impact, and away from the door. An object of the present invention is to provide a door opening / closing test apparatus.

  In order to achieve the above object, a first problem solving means is a door opening / closing test apparatus that repeatedly opens and closes a door pivotably attached to a door frame fixed to a housing, and includes a drive source on a gantry, A door opening / closing test apparatus comprising: a pivot shaft rotatable about an axis in a vertical direction; the door and a drive source are connected via an arm; and the arm is pivoted by driving the drive source to open and close the door. A reciprocating slider crank mechanism is provided on the gantry, the revolving shaft and the slider of the reciprocating slider crank mechanism are connected, a revolving arm extending horizontally from the upper end surface of the revolving shaft, and one end pivotally attached to the revolving arm. The other end is composed of a connecting arm connected to the door, the crank of the reciprocating slider crank mechanism is rotated by the drive source, and the revolving movement of the slider causes the revolving arm to revolve around the revolving shaft. The connecting arm is that so as to swing.

  The second problem-solving means is characterized in that the slider is provided with a connecting groove that is perpendicular to the direction in which the slider reciprocates linearly and opens upward, and is opposite to the direction in which the swivel arm extends below the outer peripheral edge of the swivel shaft. Further, a connecting member that reciprocates in the connecting groove is provided to connect the turning shaft and the slider, and the reciprocating movement of the slider causes the connecting member to turn about the turning shaft so that the turning arm That is to turn.

  A third problem solving means is that the connecting member includes a rolling element.

  According to a fourth means for solving the problem, the connecting arm includes a connecting body that is slidable in the longitudinal direction at the other end, the connecting body is connected to the door, and the connecting arm and the connecting body are connected by turning the turning arm. It was to slide relatively.

  The fifth problem-solving means is that the gantry is provided at least on an installation base that is movably installed on the floor, a lower support fixed to the installation support, and a lower support that is movable in the height direction. The swivel arm has a structure in which the position where the connecting arm is pivotally attached can be moved in the longitudinal direction, and the connecting arm has a structure in which the entire length can be expanded and contracted.

  According to the first problem solving means of the present application, with a simple and inexpensive configuration, the door opening / closing speed is reduced before and after the door closing position and the opening position, the shock is reduced, and the apparatus is placed away from the door. can do. Further, according to the second problem solving means of the present application, the opening / closing operation can be performed smoothly. In addition, according to the third problem solving means of the present application, the opening / closing operation can be performed more smoothly, and wear of the connecting member can be suppressed. Further, according to the fourth problem solving means of the present application, the opening / closing operation can be performed more smoothly, and the door can be released before the door hits the door frame, and the door can be closed by inertia force. Further, according to the fifth problem solving means of the present application, the door opening / closing test apparatus can be installed close to or away from the door, and the door opening / closing test apparatus is separated from the door as necessary to open / close the door. It can be carried out.

1 is an overall view of a door opening / closing test apparatus that is an embodiment of the present invention. It is the II-II line expanded sectional view of FIG. It is the III section enlarged view of FIG. It is the IV section enlarged view of FIG. It is the V section enlarged view of FIG. It is a reference figure explaining the amount of displacement to the direction of reciprocating linear movement of a slider in the rotation locus and rotation angle of a crank. FIG. 2 is an overall view illustrating opening and closing of a door having a different width by installing a door opening / closing test apparatus at a position indicated by a two-dot chain line in FIG. 1. It is the VIII-VIII line expanded sectional view of FIG. FIG. 2 is an overall view illustrating opening and closing of doors having different heights by installing a door opening / closing test apparatus at a position indicated by a two-dot chain line in FIG. 1.

  Embodiments of the present invention will be described with reference to FIGS. The door opening / closing test apparatus 1 repeatedly opens and closes a door 5 pivotably attached to a door frame 4 fixed to an opening 3 formed in a housing 2 such as a wall as shown in FIGS. It is something to be made. In the door opening / closing test apparatus 1, a pedestal 7 installed on a floor 6 is provided with a turning shaft 8, a turning device 9 as a driving source, and a reciprocating slider crank mechanism. The reciprocating slider crank mechanism is composed of a slider 11 provided on the rail member 10 so as to be capable of reciprocating linear movement, a crank 12 provided on the rotating device 9, and a rod 13 connecting the crank 12 and the slider 11. Yes. On the slider 11, two blocks 11a are provided in parallel in a direction orthogonal to the direction of the reciprocating linear movement, and a connecting groove 11b that opens upward is formed between the blocks 11a. The crank 12 includes a cylindrical fixing portion 12a at one end, and the fixing portion 12a is fixed to the rotating shaft 9a of the rotating device 9, and rotates together with the rotating shaft 9a. One end of a rod 13 is rotatably engaged with the other end of the crank 12, and the slider 11 is rotatably engaged with the other end of the rod 13. A swivel arm 14 extends horizontally from the upper end surface of the swivel shaft 8. One end of a connection arm 15 is pivotally attached to the swivel arm 14, and the other end of the connection arm 15 is connected to the door 5. The connecting arm 15 constitutes an arm. The connecting groove 11b may be formed by notching the slider 11 as long as the slider 11 is in a direction orthogonal to the direction in which the slider 11 reciprocates linearly. Also, the slider 11 is provided with a proximity block 11c that is close to the proximity switch 16 at both ends that reciprocate linearly.

  As shown in FIG. 1, the gantry 7 includes an installation table 7 a installed on the floor 6, casters 7 b provided on the installation table 7 a so as to be movable on the floor 6, and perpendicular to the installation table 7 a. The lower support 7c is fixed to the lower support 7c, and the upper support 7d is provided on the lower support 7c so as to be movable in the height direction. At the upper end of the upper support 7d, a mounting base 7e and a turning shaft support base 7f are provided. The gantry 7 can be moved on the floor 6 by casters 7b, and is fixed to the floor 6 at an arbitrary position by a stopper member 7g provided on the installation base 7a. A screw member 7i is screwed into a block 7h provided on the side surface of the lower support column 7c. The screw member 7i is held in contact with the block 7j provided on the side surface of the upper column 7d from below, and when the screw member 7i is rotated, the upper column 7d moves in the vertical direction, whereby the gantry 7 Is adjustable in height. The turning shaft support base 7f is provided with a turning shaft 8 that is rotatable about a vertical axis. A rail member 10 is provided on the mounting base 7e so as to be orthogonal to the axial direction of the turning shaft 8, and a turning device 9 as a drive source is provided. A turning shaft 9a provided on the turning device 9 is provided. Protrudes from the through hole provided in the mounting base 7e to the upper surface of the mounting base 7e. Proximity switches 16 are provided near both ends of the rail member 10 of the mount 7e.

  The swivel shaft 8 is provided with a connecting member 8a that reciprocates in the connecting groove 11b in a direction opposite to the extending direction of the swivel arm 14 on the lower side of the outer peripheral edge. The connecting member 8a is, for example, a cam follower, and includes a rolling element 8b inside. The rolling member 8b rolls so that the outer ring that contacts the connecting groove 11b rotates and can reciprocate in the connecting groove 11b. Match. The revolving shaft 8 and the slider are connected by the connecting member 8a, and the revolving movement of the slider 11 causes the connecting member 8a to revolve with the revolving shaft 8 as a fulcrum so that the revolving arm 14 revolves.

  As shown in FIG. 2, a sliding groove 14 a is formed on the upper and lower surfaces of the swivel arm 14 in the longitudinal direction from the other end to the one end of the swivel arm 14. A letter-shaped slide bracket 14b is attached to the slide groove 14a by a bolt 14c and a nut (not shown). The slide bracket 14b can move in the longitudinal direction along the sliding groove 14a of the turning arm 14 by loosening the bolt 14c, and can be fixed at an arbitrary position by tightening the bolt 14c. One end of the connecting arm 15 is pivotally attached to the slide bracket 14b by a hinge member 17, and the turning arm 14 has a structure capable of moving the position where the connecting arm 15 is pivotally attached in the longitudinal direction. The swivel arm 14 is configured to be able to move the slide bracket 14b in the longitudinal direction. However, if the distance from the swivel shaft 8 to the pivoting position of the connecting arm 15 can be changed, the present embodiment is used. It is not limited.

  The connecting arm 15 includes a long bar member 15a having a long hole formed in the longitudinal direction and a long bar member 15b having a bolt insertion hole, and a bolt is inserted into the bolt insertion hole and the long hole from the long bar member 15b side. c is inserted, and the bolt c is screwed to the block 15d on the long bar member 15a side. By loosening the bolt 15c, the long bar members 15a, 15b move relatively in the longitudinal direction along the long groove, and by tightening the bolt 15c, the long bar members 15a, 15b are moved by the bolt 15c and the block 15d at that position. The connection arm 15 has a structure that can be extended and contracted by being sandwiched and fixed. As shown in FIG. 5, a guide rail 15 e is provided at the other end of the connecting arm 15 in the longitudinal direction. As shown by a two-dot chain line in FIG. 5, a guide member 15f is provided on the guide rail 15e so as to be slidable in the longitudinal direction. A bracket 15g is provided in the longitudinal direction on the guide member 15f, and one end of the bracket 15g is bent so as to be in contact with one end of the guide rail 15e. The other end of the bracket 15g is bent toward the guide rail 15e, and a stopper bolt 15h is provided so as to be in contact with the other end of the guide rail 15e. The bracket 15g is provided with a connecting body 18 provided at one end with a cylindrical portion 18a that can be engaged with a test handle 5a provided on the door 5. The connecting arm 15 is not limited to this embodiment as long as the entire length can be expanded and contracted. Moreover, if the connection body 18 is a shape which can be engaged with the test handle 5a, it will not be limited to this.

  Next, the operation of the door opening / closing test apparatus 1 will be described. First, the door 5 is in a closed state. When the cylindrical portion 18a of the connecting body 18 is attached to and engaged with the test handle 5a of the door 5, the state shown by the solid line in FIG. When the rotation device 9 is operated, the rotation shaft 9a rotates. Here, since the door opening / closing test apparatus 1 performs the same operation regardless of whether the rotation shaft 9a is rotated clockwise or counterclockwise in FIG. 2, it may be rotated in either direction. In the present embodiment, the case where the rotation shaft 9a is rotated counterclockwise in FIG. 2 will be described.

  When the crank 12 fixed to the rotating shaft 9a rotates halfway, the rod 13 moves while pushing the slider 11 in the left direction in FIGS. 2 to 4 and is located at the left end indicated by a two-dot chain line. At this time, since the connecting member 8a of the turning shaft 8 moves in the connecting groove 11b of the slider 11 and moves leftward by the slider 11, the turning shaft 8 turns leftward, so that the turning arm 14 turns. The state shown by the two-dot chain line in FIG. Then, the connecting arm 15 is pulled while swinging by the turning of the turning arm 14, whereby the connecting body 18 pulls the test handle 5a, and the door 5 is opened as shown by a two-dot chain line in FIG. When the crank 12 further rotates halfway, this time, the rod 13 moves while pulling the slider 11 in the right direction, and the original state shown by the solid line in FIGS. Therefore, since the connecting member 8a also moves to the right and the pivot shaft 8 turns to the right, the swing arm 14 returns to the original state indicated by the solid line, so that the connection arm 15 swings to the original state indicated by the solid line. It is pushed back while moving, and the connecting body 18 closes the door 5 by pushing the test handle 5a.

  Next, the opening / closing speed of the door 5 will be described. 2 to 4, the state indicated by the solid line is the closed position, and the state indicated by the two-dot chain line is the open position. FIG. 6 shows the amount of displacement of the slider 11 in the reciprocating linear movement direction during half rotation of the crank 12 when the rotating device 9 is operated to rotate the rotating shaft 9a at a constant speed. In FIG. 6, for example, the center of the circle will be described as the rotation shaft 9a, the radius of the circle as the full length of the crank 12, and the circumference as the rotation locus of the other end of the crank 12. Here, the position of the crank 12 shown in FIGS. 2 and 4 when the door 5 is closed is a closed end, and the position where the crank when the door 5 is opened is half-turned from the position shown in FIG. 4 is an open end. Let X1 be the amount of displacement when the angle θ is rotated from the closed end, X2 be the amount of displacement when the angle θ is rotated between the open end and the closed end, and X3 be the amount of displacement when the angle θ is rotated from just before the open end to the open end. The intermediate displacement amount X2 becomes the maximum, and the displacement amounts X1 and X3 become smaller as approaching the closed end or the open end. Further, the remaining half rotation is the same amount of displacement. This amount of displacement is the amount of movement of the slider 11 in the reciprocating slider crank mechanism. That is, the amount of movement of the slider 11 is also maximum at the intermediate point, and the amount of movement decreases as it approaches the moving end, that is, the open / close end. For this reason, the moving speed of the slider 11 is also maximized at the intermediate point and decreases as the opening / closing end is approached. That is, when moving from the closed end toward the open end, the vehicle accelerates from the closed end toward the intermediate point and decelerates from the intermediate point toward the open end. The same applies to the reverse case. Therefore, when the turning arm 14 connected to the slider 11 also turns toward the turning end, that is, the opening / closing end, the connecting arm 15 is pushed and pulled similarly while accelerating / decelerating. Therefore, the door 5 has a slow opening / closing speed in the vicinity of the closed position indicated by the solid line in FIG. 2 and in the vicinity of the open position indicated by the two-dot chain line.

  When the door 5 is opened and closed, as shown in FIG. 5, the guide member 15f slides on the guide rail 15e so that the connecting body 18 and the connecting arm 15 slide relative to each other. When the door 5 shown by the solid line in FIG. 2 is closed, the length of the connecting arm 15 is adjusted so that the guide member 15f is positioned near the center of the guide rail 15e shown by the solid line in FIG. Yes. When the door 5 is opened, the connecting arm 15 is pulled by the turning arm 14 and slides away from the connecting body 18 engaged with the door 5, and the guide rail 15e contacts the stopper bolt 15h. The connecting arm 15 pulls the connecting body 18 to open the door 5. When the door 5 is closed, the connecting arm 15 is pushed out by the turning arm 14 and slides in a direction approaching the connecting body 18 engaged with the door 5, and the guide rail 15e comes into contact with the bracket 15g. The connecting arm 15 pushes out the connecting body 18 and closes the door 5. Then, after the connecting arm 15 is pushed out to the position indicated by the solid line in FIG. 2, the bracket 15 g slides away from the guide rail 15 e and is closed by the inertia force of the door 5. In other words, the door 5 can be released before the door 5 comes into contact with the door frame 4.

  Further, by providing the proximity block 11c on the slider 11 and the proximity switch 16 on the mounting base 7e, the moving end of the slider 11 can be detected to check the open / closed state of the door 5, and the open / close count can be counted. The number of times of opening and closing is set and input by a sequencer (not shown), and automatic operation is performed. When the predetermined number of times of opening and closing is completed, the operation can be automatically stopped, and the necessary number of times can be reliably opened and closed.

  Up to this point, the case where it is installed at the position indicated by the solid line in FIG. 1 has been described, but this is a state where the door opening / closing test apparatus 1 is installed away from the door 5. Further, in a state where the connecting body 18 is removed from the test handle 5a of the door 5 and the engagement is released, the swivel arm 14 is set to the position of the two-dot chain line in FIG. 2, and the connecting arm 15 is folded by the hinge member 17, The front of the door 5 and the vicinity thereof can be made free of obstacles. And if it is not necessary to keep the door opening / closing test apparatus 1 away from the door 5, it can usually be installed and used at a position close to the door 5 as shown by a two-dot chain line in FIG.

  Next, a case where doors having different sizes are opened and closed will be described. From here, the door opening / closing test apparatus 1 will be described as a state where it is installed at a position close to the door 5 as indicated by a two-dot chain line in FIG. 7, the door opening / closing test apparatus 1 is installed at a position indicated by a two-dot chain line in FIG. The door frame 4b and the door 5b are narrower than the door frame 4 and the door 5 in FIG. Here, the opening 3 is expanded or closed with a gap filling material (not shown) and the like, and is matched to the door frame, and the same applies to the following description. At this time, the slide bracket 14b is moved and fixed closer to the turning shaft 8 of the turning arm 14, and the connecting arm 15 is in a state of shortening the entire length. 7 and 8, in the case of the door 5c having a wider width than the door 5b and its door frame 4c, the slide bracket 14b is moved closer to the other end of the turning arm 14, that is, from the turning shaft 8. The connecting arm 15 is moved and fixed in the direction of moving away, and the entire length of the connecting arm 15 is extended. Therefore, it is possible to easily cope with opening and closing of doors having different widths.

  Next, the case where the size of the door in the height direction is different will be described. In FIG. 9, the part indicated by the solid line is the same as the part indicated by the solid line in FIG. And in the case of the door 5d whose door 5b is lower than the door 5b and its door frame 4d as shown by a two-dot chain line in FIG. 9, by rotating the screw member 7i of the gantry 7 in one direction, The upper part descends from the upper support 7d, and the height of the door opening / closing test apparatus 1 can be lowered. Further, by rotating the screw member 7i in the reverse direction, the upper portion of the gantry 7 is raised above the upper support 7d, and the height of the door opening / closing test apparatus 1 can be increased. The gantry 7 is not limited to the present embodiment as long as the height can be adjusted.

  In this way, the door opening / closing test apparatus 1 is provided with the reciprocating slider crank mechanism, and the door 5 is opened and closed by the turning of the turning arm 14 connected to the slider 11, so that the structure is simple and inexpensive. Without controlling the opening / closing angle and opening / closing speed of the door 5, the opening / closing speed of the door 5 can be reduced before and after the closing position and the opening position of the door 5 to reduce the impact, thereby smoothly opening and closing the door 5. It can be installed away from the position. Further, since the gantry 7 can be moved by the casters 7b, the door opening / closing test apparatus 1 can be installed close to or away from the door 5, and the installation position can be easily moved as necessary. Thereby, for example, when it is desired to automatically open and close the door while performing an electromagnetic wave measurement test such as an electromagnetic wave shielding door, the door opening and closing test apparatus 1 can be opened and closed by moving away from the door. Further, the swivel arm 14 is configured to be able to change the distance from the swivel shaft 8 to the pivot position of the connecting arm 15, the connecting arm 15 is configured to be able to extend and contract the entire length, and the gantry 7 is configured to be adjustable in height. As a result, it is possible to easily cope with opening and closing of doors of different sizes.

DESCRIPTION OF SYMBOLS 1 Door opening and closing test apparatus 2 Housing 4 Door frame 5 Door 6 Floor 7 Mounting base 7a Installation stand 7c Lower strut 7d Upper strut 8 Rotating shaft 8a Connecting member 8b Rolling body 9 Rotating device (drive source)
11 Slider (reciprocating slider crank mechanism)
11b Connecting groove 12 Crank (reciprocating slider crank mechanism)
14 Rotating arm (arm)
15 Linking arm (arm)
18 Linkage

Claims (5)

A door opening / closing test apparatus that repeatedly opens and closes a door pivotably attached to a door frame fixed to a housing, and includes a drive source and a pivot shaft that can rotate around a vertical axis. In the door opening and closing test device that connects the door and the drive source through the arm, and turns the arm by the operation of the drive source to open and close the door,
A reciprocating slider crank mechanism is provided on the gantry, the revolving slider is connected to the slider of the reciprocating slider crank mechanism, the revolving arm extends horizontally from the upper end surface of the revolving shaft, and one end is pivotally attached to the revolving arm. And the other end of the connecting arm connected to the door,
A door opening / closing test characterized in that the reciprocating slider crank mechanism is rotated by the drive source, and the revolving movement of the slider causes the revolving arm to revolve around the revolving shaft to swing the connecting arm. apparatus.   The slider is provided with a connecting groove that opens perpendicularly to the direction in which the slider reciprocates linearly, and reciprocates in the connecting groove in a direction opposite to the direction in which the swivel arm extends below the outer peripheral edge of the swivel shaft. The connecting member is provided so as to connect the turning shaft and the slider, and the reciprocating movement of the slider causes the connecting member to turn about the turning shaft to turn the turning arm. The door opening / closing test apparatus described.   The door opening / closing test apparatus according to claim 1, wherein the connecting member includes a rolling element.   The connecting arm includes a connecting body that is slidable in the longitudinal direction at the other end, the connecting body is connected to the door, and the connecting arm and the connecting body are relatively slid by turning the turning arm. The door opening / closing test apparatus according to any one of claims 1 to 3.   The gantry is composed of at least an installation base that is movably installed on the floor, a lower support post fixed to the installation support, and an upper support post provided to be movable in the height direction on the lower support post. The arm according to any one of claims 1 to 4, wherein the arm is configured to be movable in a longitudinal direction at a position where the connection arm is pivotally attached, and the connection arm is configured to be capable of extending and contracting the entire length. Door open / close test device.

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