Engaging device

Abstract

To provide an engaging device in which the position of a receiving part is easily arranged, positional deviation due to its own weight hardly occurs, and an engagement between the receiving part and a movable body is hardly released.SOLUTION: An engaging device 1 includes a first member 2 disposed on one of a storage main body 7 and an opening / closing member 8 movable with respect to the storage main body 7, and a second member 3 disposed on the other of the storage main body 7 and the opening / closing member 8. The first member 2 has a first member main body 16 and a movable body 17 disposed on the first member main body 16. The second member 3 has a base body 45 and a receiving portion 46 that is held by the base body 45 and receives the movable body 17. A contact between the first member 2 and the receiving portion 46 allows the receiving portion 46 to rotate upward relative to the base body 45 so as to be in a normal position where the receiving portion can engage with the movable body 17 as the opening / closing member 8 approaches the storage main body 7.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an engagement device including a first member disposed on one of a fixed member and a movable member, and a second member disposed on the other of the fixed member and the movable member. [Background technology]

[0002] Conventionally, for example, an engagement device used as a locking device for locking an opening / closing body consisting of a cabinet as a fixed member and a hinged door as a movable member during earthquakes is known that includes a main body provided on the cabinet side and a receiving member provided on the back side of the hinged door, and the main body has a seismic sensor that detects vibrations and an engagement body that engages with the receiving member. In this device, during vibrations such as an earthquake, the seismic sensor regulates the operation of the engagement body, thereby regulating the opening operation of the hinged door relative to the cabinet (for example, see Patent Document 1).

[0003] In this configuration, it is necessary to adjust the position of the receiving member so that the engaging body can be reliably engaged with the receiving member in response to a positional deviation between the cabinet and the hinged door.

[0004] In this regard, a known system is one in which the receiving member is slidable relative to the base, and when the hinged door is closed, the receiving member comes into contact with the main body, causing the receiving member to slide relative to the base, and the positional misalignment is automatically corrected (automatically adjusted) (see, for example, Patent Document 2). [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2001-262914 A [Patent Document 2] Patent Publication No. 2021-27935 Summary of the Invention [Problem to be solved by the invention]

[0006] In a configuration in which the receiving member moves by sliding, the receiving member is likely to fall due to its own weight, and it is necessary to prevent the receiving member from dropping too far during vibration, for example, causing the engagement between the engaging body and the receiving member to be disengaged.

[0007] The present invention has been made in consideration of these points, and aims to provide an engagement device in which the position of the receiving part can be easily adjusted, it is less likely to become misaligned due to its own weight, and the engagement between the receiving part and the movable body is less likely to come loose. [Means for solving the problem]

[0008] The engagement device described in claim 1 comprises a first member arranged on one side of a fixed member and a movable member movable relative to the fixed member, and a second member arranged on the other side of the fixed member and the movable member, wherein the first member has a first member main body and a movable body arranged on the first member main body, and the second member has a base and a receiving portion held on the base and receiving the movable body, and is rotatable upward relative to the base by contact between the first member and the receiving portion so that the receiving portion is in a normal position where it can engage with the movable body as the movable member approaches the fixed member.

[0009] The engagement device of claim 2 is the engagement device of claim 1, wherein the receiving portion comprises a pivot shaft portion axially supported on the base body, and a contact portion located at a position away from the pivot shaft portion and having a surface along the radial direction of the pivot shaft portion, and the surface of the contact portion is capable of contacting the first member when the movable member approaches the fixed member.

[0010] The engagement device of claim 3 is an engagement device of claim 1 or 2, in which the movable body is operably arranged on the first member main body, the first member has a regulating body operably arranged to be in an allowable position that allows movement of the movable body under normal conditions, and to be in a restricting position that restricts the movement of the movable body under vibration, and is a regulating device that regulates the movement of the movable member relative to the fixed member by engagement between the movable body, whose movement is restricted by the regulating body in the restricting position, and a receiving portion. Effect of the Invention

[0011] According to the present invention, it is possible to provide an engagement device in which the position of the receiving portion can be easily adjusted, the positional deviation due to its own weight does not easily occur, and the engagement between the receiving portion and the movable body does not easily come off. [Brief description of the drawings]

[0012] [Figure 1] 1A and 1B are side views showing an engagement device of one embodiment in a normal state, in which (a) shows a state in which the second member is separated from the first member, (b) shows a state in which the second member is close to the first member, and (c) shows a state in which the movable body is in a normal position to engage with the second member. [Diagram 2] 13 is a side view showing a state in which the movable member moves relative to the fixed member in the engagement device in a normal state; FIG. [Diagram 3] 5A and 5B are side views showing the engagement device during vibration, in which (a) shows a state in which the seismic sensor is in operation, and (b) shows a state in which the movable body and the receiving member are in contact and engaged with each other. [Figure 4] FIG. 4A is an exploded perspective view showing a second member of the engagement device, and FIG. [Diagram 5] FIG. 4 is an enlarged perspective view showing a part of a storage device including the same engagement device. [Figure 6] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] An embodiment of the present invention will be described with reference to the drawings.

[0014] 5 and 6, reference numeral 1 denotes an engagement device. The engagement device 1 includes a first member 2 and a second member 3. The first member 2 and the second member 3 are configured separately, one of which is disposed on a fixed member and the other is disposed on a movable member movable relative to the fixed member.

[0015] In this embodiment, the engagement device 1 is applied to a storage device 4 as an example. The storage device 4 is a storage shelf or the like, and includes a storage body 7, which is a box-shaped fixed member having a storage space 6 inside in which an object to be stored (not shown) can be put in and taken out through an opening 5, and an opening / closing member 8, which is a plate-shaped movable member rotatably provided on the storage body 7 and opens and closes the opening 5 of the storage body 7. The engagement device 1 is unlocked under normal circumstances (in a steady state) to allow the opening / closing member 8 to rotate, which is an opening / closing operation, relative to the storage body 7, but is locked during vibrations such as an earthquake, and is used as an example of a restricting device such as an earthquake-resistant latch that restricts the opening / closing member (movable member) 8 from rotating in the opening direction relative to the storage body (fixed member) 7. In the following description, the opening 5 side of the storage device 4 is the front side, and the back side as viewed from the opening 5 side of the storage body 7 is the rear side, and the up, down, left and right directions are defined as viewed from the front side based on the installation state of the storage device 4.

[0016] The storage body 7 has an upper plate 10 and a lower plate 11 that face each other at a distance from each other, and the ends of the three sides of the upper plate 10 and the lower plate 11 are connected by a left plate 12, a right plate 13, and a rear plate 14. The base end of the opening / closing member 8 is attached to the front end of the right plate 13 so as to be rotatable in the horizontal direction around a vertical axis.

[0017] The opening / closing member 8 is rotated in one direction, the opening direction, relative to the storage body 7 to an open state, thereby opening the opening 5, and is rotated in the other direction, the closing direction, relative to the storage body 7 to a closed state, thereby closing the opening 5.

[0018] In this embodiment, the first member 2 is attached to a storage main body 7 which is a fixed member, and the second member 3 is attached to an opening / closing member 8 which is a movable member.

[0019] The first member 2 is also called a latch body or the like. As shown in Fig. 1 to Fig. 3, the first member 2 has a first member body 16 and a movable body 17. The first member body 16 is a box-shaped case body, and is fixedly attached to the left side of the lower surface of the front end portion of the upper plate 10 of the storage body 7 by a fastener such as a screw.

[0020] The movable body 17 is also called a latch or the like, and in this embodiment, is arranged to be movable relative to, for example, the first member body 16. The movable body 17 is movable between an engagement position where it can engage with the second member 3 and a non-engagement position where it does not engage with the second member 3. In the example shown, the movable body 17 is rotatable relative to the first member body 16. The movable body 17 is provided on the first member body 16 so as to be rotatable in the up-down direction around a rotation central axis in the left-right direction, which is the horizontal direction. The movable body 17 is rotatable between the engagement position and the non-engagement position.

[0021] In this embodiment, the movement of the movable body 17 can be restricted by the restricting body 18. That is, the first member 2 in this embodiment further includes the restricting body 18. The restricting body 18 is also called a locking body or the like and is movable with respect to the first member body 16. The restricting body 18 is in an allowable position that allows the movement of the movable body 17 in normal times (steady state), and is in a restricting position that restricts the movement of the movable body 17 during vibrations such as earthquakes. In this embodiment, the restricting body 18 is rotatable with respect to the first member body 16. The restricting body 18 is provided on the first member body 16 so as to be rotatable in the up-down direction around a rotation center axis in the left-right direction, which is the horizontal direction. The restricting body 18 is rotatable between an allowable position and a restricting position. The restricting body 18 is in an allowable state in which the movable body 17 is not engaged with the movable body 17 and allows the movable body 17 to rotate in both directions, and in a restricting state in which the movable body 17 is engaged with the movable body 17 and restricts the rotation of the movable body 17 in one direction (counterclockwise direction in the figure).

[0022] That is, the regulating body 18 is in an allowable state when rotated in one direction (counterclockwise in the figure) relative to the first member body 16, and in a restricted state when rotated in the other direction relative to the first member body 16. When the movable body 17 is in this restricted state, the engagement between the movable body 17 and the regulating body 18 restricts the rotation of the opening / closing member 8 in the opening direction relative to the storage body 7.

[0023] The operation of the regulating body 18 is controlled by a seismic sensor 19. That is, the first member 2 in this embodiment further has a seismic sensor 19. The seismic sensor 19 is also called a vibration sensor or the like, and is operable relative to the first member body 16. In this embodiment, the seismic sensor 19 is provided on the first member body 16 so as to be capable of changing its posture from an upright position to an inclined position, and is arranged so as to change its posture from the upright position to an inclined position when it vibrates.

[0024] Preferably, a plurality of seismic sensors 19, for example, two, are set. In this embodiment, the seismic sensors 19 include a first seismic sensor 19a that rotates the regulating body 18 from the permissive state to the regulated state by changing (tilting) its posture from an upright posture to an inclined posture during vibration, and a second seismic sensor 19b that maintains the regulating body 18 in the regulated state after changing (tilting) its posture from an upright posture to an inclined posture during vibration and having already been placed in the regulated state by the posture change of the first seismic sensor 19a. In other words, the two seismic sensors 19a, 19b have different roles, have different masses and shapes, and have different tilting periods (swinging periods) based on vibration.

[0025] For this reason, when a vibration occurs due to an earthquake or the like, the first vibration sensor 19a changes its posture from an upright position to an inclined position (vibration sensing operation), and then the second vibration sensor 19b starts its vibration sensing operation, i.e., starts changing its posture from an upright position to an inclined position. In other words, when a vibration occurs, the first vibration sensor 19a starts vibration sensing operation prior to the vibration sensing operation of the second vibration sensor 19b.

[0026] The first member body 16 to which the movable body 17, the regulating body 18, and the seismic sensor 19 are attached has an internal storage section 21, which is a space for storing the regulating body 18 and the seismic sensor 19. In the storage section 21, the regulating body 18 is located at the front upper part, and the seismic sensor 19 is located at the rear lower part. The first seismic sensor 19a and the second seismic sensor 19b are located side by side in the left-right direction in the storage section 21. In addition, a part of the movable body 17 is stored in the storage section 21 further forward of the regulating body 18. The remaining part of the movable body 17 protrudes to the outside of the first member body 16 through a front opening and a bottom opening that communicate with the storage section 21.

[0027] The bottom 22 of the first member body 16 is formed so as to rise in a step shape from the rear to the front. That is, the bottom 22 is formed with a rear portion 22a, a front portion 22b located above the rear portion 22a, and an erected portion 22c connecting the rear portion 22a and the front portion 22b. The rear portion 22a is formed with a support cylinder portion that supports the lower portion of the seismic sensor 19 so as to be tiltable. The support cylinder portion is formed according to the seismic sensor 19, and in this embodiment, the support cylinder portion is set with a first support cylinder portion that supports the first seismic sensor 19a and a second support cylinder portion that supports the second seismic sensor 19b. In addition, a lower opening is formed from the front portion 22b to the erected portion 22c. A part of the front surface of the erected portion 22c is an engagement receiving portion that restricts the rotation of the movable body 17 in the other direction opposite to the one direction (clockwise direction in the figure).

[0028] In addition, a front wall portion 25 rising upward is formed at the front end of the first member main body 16. A front opening is formed in the front wall portion 25. In addition, adjustment portions 26 for adjusting the position of the second member 3 are formed on both sides of the front opening in the front wall portion 25. The adjustment portions 26 are formed to protrude forward from the front wall portion 25. The adjustment portions 26 are formed in a wedge shape that gradually narrows in the up-down direction toward the front. In the illustrated example, an inclined surface 26a that slopes downward toward the front is formed at the upper portion of the adjustment portion 26, and an inclined surface 26b that slopes upward toward the front is formed at the lower portion of the adjustment portion 26.

[0029] The movable body 17 rotatably supported by the first member main body 16 integrally has a shaft portion 30, an engaging portion 31 extending forward on one side with respect to the shaft portion 30, and a contact portion 32 extending backward on the other side with respect to the shaft portion 30. The movable body 17 also has an engaged portion 33 with which the regulating body 18 engages.

[0030] The shaft portion 30 sets the central axis of rotation of the movable body 17. The shaft portion 30 is axially supported between both side walls of the first member main body 16 in the left-right direction at a position above the front portion 22b of the bottom portion 22.

[0031] The engaging portion 31 extends radially forward from the shaft portion 30, and has a tip portion curved downward. The tip portion of the engaging portion 31 protrudes forward from the front wall portion 25 of the first member body 16 through the front opening.

[0032] The abutment portion 32 extends downward from the shaft portion 30 in a direction intersecting with the engagement portion 31. The abutment portion 32 protrudes downward from the front portion 22b of the first member body 16 through the lower opening, and is located in front of the erect portion 22c of the first member body 16.

[0033] In this embodiment, the engaged portion 33 is formed by cutting out an upper portion of the base end side of the engaging portion 31 .

[0034] In addition, the regulating body 18, which can regulate the movement of the movable body 17, integrally has an axis portion 35, an engaging arm portion 36 extending forward on one side based on the axis portion 35, and an interlocking arm portion 37 extending backward on the other side based on the axis portion 35.

[0035] The shaft portion 35 sets the central axis of rotation of the regulating body 18. The shaft portion 35 is axially supported between both side walls of the first member main body 16 in the left-right direction at a position above the standing portion 22c of the bottom portion 22.

[0036] The tip of the engaging arm 36 is positioned opposite the movable body 17. The tip of the engaging arm 36 is engageable with and disengageable from the engaged portion 33, and engages with the engaged portion 33 of the movable body 17 when the regulating body 18 is rotated to the regulating position, and disengages from the engaged portion 33 of the movable body 17 when the regulating body 18 is rotated from the regulating position toward the allowable position.

[0037] The interlocking arm 37 is a part that interlocks the regulating body 18 with the seismic sensing operation of the seismic sensor 19. The interlocking arm 37 is located above the seismic sensor 19. The interlocking arm 37 is formed with a protrusion 38 facing downward toward the seismic sensor 19. The protrusion 38 is set for each seismic sensor 19. In this embodiment, the protrusion 38 is set with a first protrusion extending toward the first seismic sensor 19a and a second protrusion extending toward the second seismic sensor 19b.

[0038] The first seismic sensor 19a with which the first protrusion abuts has its lower end inserted loosely into the first support cylinder and placed on the first support cylinder, and is supported by the first support cylinder so that it can change its posture (tilt) from an upright position to an inclined position. In this embodiment, a concave surface 40 with which the lower end of the first protrusion of the movable body 17 slidably abuts is formed on the upper part of the first seismic sensor 19a.

[0039] The second seismic sensor 19b, which the second protrusion abuts against, has its lower end inserted loosely into the second support tube and placed on the second support tube, and is supported by the second support tube so that it can change its posture (tilt) from an upright posture to an inclined posture. The center of gravity of the second seismic sensor 19b is located lower than the center of gravity of the first seismic sensor 19a, so that the second seismic sensor 19b is less likely to change its posture than the first seismic sensor 19a. In this embodiment, a concave surface portion against which the lower end of the second protrusion of the movable body 17 slidably abuts is formed on the upper portion of the second seismic sensor 19b.

[0040] On the other hand, the second member 3 is also called a receiving metal fitting, etc. The second member 3 has a base body 45 and a receiving portion 46 that is held by the base body 45 and receives the movable body 17 of the first member 2 in an engageable manner.

[0041] The base 45 is placed on the rear surface of the opening / closing member 8, i.e., the side facing the opening 5, and is fixedly attached to the rear surface of the top end of the front end, i.e., the left side, of the opening / closing member 8 with a fixture such as a screw. The base 45 is formed in a plate shape, for example, from a metal or the like. As shown in Figs. 4(a) and 4(b), the base 45 is formed with a mounting hole 50 into which a mounting fixture is inserted, penetrating the base 45 in the front-rear direction, which is the thickness direction. In this embodiment, a pair of mounting holes 50 are formed spaced apart in the left-right direction.

[0042] In addition, the base body 45 is formed with a bearing portion 51 that axially supports the receiving portion 46 so as to be rotatable relative to the base body 45. The bearing portion 51 is formed near the center of the base body 45 in the up-down direction, and in this embodiment, is located slightly below the mounting hole portion 50. The bearing portion 51 is formed in a cylindrical shape having an axial direction in the left-right direction, and is located on both left-right sides of the base body 45 and is coaxial with each other. In the illustrated example, the bearing portions 51 are each open toward the outside of the base body 45. The bearing portion 51 is formed biased toward the rear side in the thickness direction of the base body 45. In addition, a cutout portion 52 is formed in one of the bearing portions 51. The cutout portion 52 is formed by cutting the bearing portion 51 in the radial direction. In this embodiment, the cutout portion 52 is formed on the front side of the bearing portion 51.

[0043] Furthermore, the base body 45 is formed with a stopper portion 53 that regulates the rotation angle of the receiving portion 46 relative to the base body 45. The stopper portions 53 are formed on the upper and lower portions of the base body 45. The first stopper portion 53a, which is the upper stopper portion 53, is located above the bearing portion 51, and extends upward from, for example, the upper portion of the base body 45, and is continuous in the left-right direction. The second stopper portion 53b, which is the lower stopper portion 53, is located below the bearing portion 51, and extends downward from, for example, the lower portion of the base body 45, and is continuous in the left-right direction. That is, the first stopper portion 53a and the second stopper portion 53b are located on opposite sides to each other with respect to the bearing portion 51.

[0044] The receiving portion 46 is formed separately from the base body 45. The receiving portion 46 has a receiving portion main body 55 to which the base body 45 is attached. The receiving portion main body 55 has an attachment opening 56 that is fitted into the base body 45 and covered by the base body 45, and is formed to penetrate the receiving portion main body 55 in the front-rear direction, which is the thickness direction. The attachment opening 56 is formed according to the outer shape of the base body 45, and is formed in a rectangular shape in this embodiment. The receiving portion main body 55 is formed in a rectangular frame shape by this attachment opening 56. The upper and lower edges of the attachment opening 56 abut against the stopper portion 53 of the base body 45 to form a rotation restriction portion 57 that restricts the rotation angle of the receiving portion 46 relative to the base body 45. In this embodiment, the rotation regulating portion 57 is provided with an upper first rotation regulating portion 57a ​​that is capable of contacting the first stopper portion 53a of the stopper portion 53, and a lower second rotation regulating portion 57b that is capable of contacting the second stopper portion 53b of the stopper portion 53.

[0045] Further, the receiving body 55 is formed with a rotating shaft portion 58 that is axially supported by the base 45. The rotating shaft portion 58 is formed in a cylindrical shape, is located on both sides of the mounting opening 56 in the left-right direction in the receiving body 55, is coaxial with each other, and protrudes into the mounting opening 56. For example, one of the rotating shaft portions 58 is inserted into one of the bearing portions 51 of the base 45, and the other is fitted into the other bearing portion 51 from the notch portion 52, so that the rotating shaft portion 58 is axially supported by the bearing portion 51 so as to be rotatable in a state where the base 45 is fitted into the mounting opening 56 of the receiving body 55. The rotating shaft portion 58 is axially supported by the bearing portion 51 of the base 45, so that the receiving body 46 can be rotated in the up-down direction (clockwise and counterclockwise directions in Figs. 1 to 3) with respect to the base 45. The rotating shaft portion 58 and the bearing portion 51 are rotatably slidable relative to each other, and generate rotational friction resistance when the receiving portion 46 rotates relative to the base body 45, thereby constituting a movement suppression mechanism that suppresses the movement of the receiving portion 46 relative to the base body 45. The center of gravity of the receiving portion 46 is located, for example, in the receiving portion main body 55 and is located near the rotating shaft portion 58 in the front-rear direction. In addition, on the back side of the receiving portion main body 55, a first abutment surface 55a is formed on the upper side and a second abutment surface 55b is formed on the lower side, based on the rotating shaft portion 58. In this embodiment, the first abutment surface 55a and the second abutment surface 55b are not flush with each other, but are inclined toward a position where they are connected to each other. In the illustrated example, the first abutment surface 55a is inclined toward the lower side, and the second abutment surface 55b is inclined toward the upper side, each gradually inclining forward.

[0046] Furthermore, a pair of left and right protruding plate parts 60 are formed in the receiving part main body 55 in an elongated shape from both left and right sides of the lower part toward the rear, and the tip parts of these protruding plate parts 60 are integrally connected to each other by an engagement connecting part 61 which is an engagement receiving part (latch receiving part) elongated in the left and right direction. Therefore, a hole part 62 which is an insertion opening opening which opens in the vertical direction is surrounded in a rectangular shape by the receiving part main body 55, the pair of protruding plate parts 60, and the engagement connecting part 61. The front-rear width of the hole part 62 sets the front-rear stroke width of the engagement part 31 of the movable body 17. The protruding plate part 60 is formed so as to gradually become thinner in the vertical direction toward the tip part. Then, as shown in FIG. 1(c), when the receiving portion 46 of the second member 3 is in the normal position, the engaging portion 31 of the movable body 17 of the first member 2, which is in the engaged position, is inserted from above into the hole portion 62, so that the movable body 17 is received in an engageable manner by the receiving portion 46, and during vibration, the engaging portion 31 of the movable body 17, which is positioned in the engaged position by abutting engagement with the regulating body 18 in the regulated state, abuts and engages with the engaging connecting portion 61, and the abutting engagement between the engaging portion 31 and the engaging connecting portion 61 restricts the rotation of the opening / closing member 8 in the opening direction relative to the storage body 7.

[0047] The engaging connection portion 61 is located away from the pivot shaft portion 58. In the present embodiment, the engaging connection portion 61 is the portion of the receiving portion 46 that is farthest from the pivot shaft portion 58.

[0048] In addition, the receiving part main body 55 is formed with a pair of left and right contact parts 64 from both left and right sides of the upper part away from the pivot shaft part 58 toward the rear. The contact parts 64 are for rotating the receiving part 46 with respect to the base body 45 by contact with the first member 2 to set the receiving part 46 to the normal position. In other words, the contact parts 64 are for adjusting (automatically adjusting) the position of the receiving part 46 of the second member 3 according to the approach of the opening and closing member 8 to the storage main body 7, that is, the closing operation of the opening 5 by the opening and closing member 8. The contact parts 64 are located above and away from the protruding plate part 60. The space between the contact parts 64 and the protruding plate part 60 is a space into which the adjustment part 26 can be inserted. A surface 64a is formed at the lower part of the contact part 64, which is inclined upward toward the rear of the second member 3. This surface 64a is along the radial direction (diameter direction) of the pivot shaft part 58. This surface 64a can come into contact with the inclined surface 26a of the adjustment portion 26 of the first member 2 when the opening / closing member 8 approaches the storage body 7.

[0049] Next, the operation of the engagement device 1 will be described with reference to the drawings.

[0050] 1(a) to 1(c), both of the seismic sensors 19a and 19b are in an upright position (standing position). Therefore, the regulating body 18 is not engaged with the movable body 17, and is in an allowable state in which the movable body 17 is allowed to rotate in both directions.

[0051] When the opening / closing member 8 opens the opening 5 of the storage body 7, the movable body 17 of the first member 2 is in the disengaged position due to its own weight. In the disengaged position, as shown in Fig. 1(a), the engaging portion 31 of the movable body 17 is located in front of the front opening, and the majority of the engaging portion 31 is located above the front portion 22b of the bottom 22 of the first member body 16, and the abutting portion 32 is located forward of the lower opening and is separated forward from the erected portion 22c of the first member body 16.

[0052] Therefore, when the opening / closing member 8 is rotated in the closing direction (leftward in the figure) relative to the storage body 7, the second member 3 gradually approaches the first member 2. At this time, since the majority of the engagement portion 31 of the movable body 17 is located above the front portion 22b of the bottom portion 22 of the first member body 16, the engagement connecting portion 61 of the receiving portion 46 of the second member 3 does not come into contact with the engagement portion 31, or only slightly slides against the lower end of the engagement portion 31, and the backward advancement of the second member 3, that is, the movement of the opening / closing member 8 in the closing direction is not hindered by the engagement portion 31, and as shown in FIG. 1(b), the protruding plate portion 60 enters below the front portion 22b of the bottom portion 22 of the first member body 16, and the engagement connecting portion 61 abuts against the abutment portion 32 of the movable body 17 and pushes the abutment portion 32 backward, so that the movable body 17 gradually rotates (rotates clockwise in the figure) from the non-engaged position to the engaged position about the shaft portion 30.

[0053] 1(c), when the opening / closing member 8 advances to a position that closes the opening 5 of the storage body 7, if the position of the receiving portion 46 of the second member 3 is located below the normal position where it can engage with the engaging portion 31 of the movable body 17 of the first member 2, the surface 64a of the contact portion 64 of the receiving portion 46 comes into contact with the inclined surface 26a of the adjustment portion 26 of the first member body 16, and as the opening / closing member 8 approaches the storage body 7, the receiving portion 46 rotates (rotates clockwise in the figure) about the rotation shaft portion 58 relative to the base 45 (opening / closing member 8), and the vertical position of the receiving portion 46 relative to the first member body 16 is automatically adjusted. At this time, the receiving portion 46 can be rotated up to a position where the first rotation restriction portion 57a ​​(FIG. 4(a)) abuts against the first stopper portion 53a of the base 45, or the first abutment surface 55a contacts the back surface of the opening / closing member 8. Also, the engaging connection part 61 of the receiving part 46 pushes in the abutting part 32 of the movable body 17, and the abutting part 32 is sandwiched between the receiving part 46 and the erected part 22c of the first member body 16, and the engaging part 31 of the movable body 17 rotated to the engaging position is inserted into the hole 62 of the receiving part 46 whose vertical position with respect to the first member body 16 is automatically adjusted. Thus, the receiving part 46 of the second member 3 can engage with the engaging part 31 of the movable body 17 of the first member 2, and the engaging device 1 is in the normal position for normal operation as a regulating device during vibration. In addition, in this normal position, the lower end of the protruding part 38 of the regulating body 18 slidably abuts against the concave surface of the seismic sensor 19, providing a large resistance to the change in posture (tilting) of the seismic sensor 19 from an upright posture to a tilted posture.

[0054] 2, when the opening / closing member 8 is rotated in the opening direction relative to the storage body 7, the engaging connection portion 61 of the second member 3 comes into contact with the engaging portion 31 of the movable body 17, pushing up the engaging portion 31, and the movable body 17 rotates about the shaft portion 30 to the non-engaged position, so that the movable body 17 does not hinder the rotation of the opening / closing member 8 in the opening direction. Therefore, the operator can rotate the opening / closing member 8 in the opening / closing direction relative to the storage body 7, and can freely open and close the opening 5 of the storage body 7. As for the receiving portion 46 of the second member 3, a force is applied between the engaging portion 31 of the movable body 17 and the engaging connecting portion 61 of the second member 3 perpendicularly or approximately perpendicularly to the central axis of rotation of the receiving portion 46, causing the movable body 17 to rotate, so that no load is applied in the vertical direction to the receiving portion 46, and a motion suppression mechanism is formed in which the rotating shaft portion 58 and the bearing portion 51 slide to generate rotational friction resistance, and / or the center of gravity of the receiving portion 46 is close to the rotating shaft portion 58, so that the moment (torque) due to its own weight is small. Therefore, once the storage body 7 is in the normal position when it is closed by the opening / closing member 8, the receiving portion 46 will basically maintain that posture regardless of whether the opening / closing member 8 is opened or closed thereafter.

[0055] Furthermore, when vibration occurs due to an earthquake or the like, the seismic sensor 19 tilts (sways) relative to the first member body 16, changing its posture from an upright position to a tilted position, as shown in Fig. 3(a). The regulating body 18 rotates about the shaft 35 relative to the first member body 16, with its protruding portion 38 sliding along the concave surface of the seismic sensor 19 and being pushed upward, changing from the permissive state to the regulated state, and the engaging arm 36 of the regulating body 18 moves to a position behind the engaged portion 33 of the movable body 17, and becomes engageable with this engaged portion 33 (locked state).

[0056] Since the engaging arm 36 of the regulating body 18 is engaged with the engaged portion 33 of the movable body 17, even if the opening / closing member 8 tries to rotate in the opening direction due to vibration, the engaging portion 31 of the movable body 17, which is positioned and fixed at the engaging position in the second member 3 on the opening / closing member 8 side, engages with the engaging connecting portion 61, as shown in Fig. 3(b), so that the rotation of the opening / closing member 8 in the opening direction relative to the storage body 7 is restricted to the front-to-rear width of the hole 62. Therefore, the opening / closing member 8 does not rotate in the opening direction due to vibration due to an earthquake or the like, the opening / closing member 8 is maintained in the closed state, and the stored items are prevented from flying out of the storage body 7.

[0057] When the vibration stops, the seismic sensor 19 stands up due to its own weight and returns to an upright position, and the regulating body 18 rotates due to its own weight and returns to the permissible state. Thus, the opening / closing member 8 returns to a state in which it can be freely rotated in the opening / closing direction relative to the storage body 7 without the need for any special release operation.

[0058] In this way, due to contact between the first member 2 and the second member 3, the receiving portion 46 rotates relative to the base 45 to the correct position where it can engage with the movable body 17 of the first member 2 as the opening / closing member 8 approaches the storage body 7. Therefore, even if the receiving portion 46 is slightly misaligned from the correct position due to a misalignment between the opening / closing member 8 and the storage body 7, the position of the receiving portion 46 is easily and automatically adjusted to the correct position as the opening / closing member 8 approaches the storage body 7, in this embodiment, as the opening / closing member 8 closes, without the need for an operator or the like to adjust the position of the receiving portion 46.

[0059] In addition, since the position of the receiving portion 46 is adjusted by rotation, it is less likely to be displaced from the normal position due to its own weight, as compared to a configuration in which the position of the receiving portion is adjusted by, for example, sliding. Since it is less likely to be displaced due to its own weight, for example, when the opening / closing member 8 is operated in the opening direction under normal circumstances, the engaging connection portion 61 of the receiving portion 46 can reliably abut against the engaging portion 31 of the movable body 17 to sufficiently push up the engaging portion 31, and the movable body 17 can be reliably rotated to the non-engaged position. Therefore, when the opening / closing member 8 is operated in the closing direction, a problem does not occur in which the engaging portion 31 of the movable body 17 that is not in the non-engaged position prevents the receiving portion 46 (second member 3) from entering, and the opening / closing member 8 can reliably close the storage body 7. In addition, when the opening / closing member 8 moves in the opening direction within the front-rear width of the hole portion 62 relative to the storage body 7 during vibration, the receiving portion 46 is less likely to drop due to its own weight, so that the engaging portion 31 of the movable body 17 and the engaging connection portion 61 of the receiving portion 46 can be reliably maintained in an engaged state, and the engagement is less likely to be unintentionally released.

[0060] Moreover, since the engaging connection part 61 of the receiving part 46 is positioned away from the rotation shaft part 58 which is the center of rotation, the movable distance of the engaging connection part 61 in the vertical direction can be increased. Therefore, the engagement between the engaging connection part 61 of the receiving part 46 and the movable body 17 can be ensured, and compared to a configuration in which the position of the receiving part is adjusted by sliding, for example, the base body 45 and the receiving part 46 do not need to be large for the movable distance of the engaging connection part 61, and the engaging device 1 in which these engagements are difficult to disengage can be configured to be compact.

[0061] In addition, since the surface of the receiving portion 46 facing the opening / closing member 8 (the first abutment surface 55a and the second abutment surface 55b) is inclined in a direction away from the opening / closing member 8, a large angle of rotation can be obtained, and therefore the vertical movement distance of the engaging connection portion 61 can be increased.

[0062] Furthermore, the receiving portion 46 is provided with a contact portion 64 having a surface 64a located at a position away from the pivot shaft portion 58 and extending along the radial direction of the pivot shaft portion 58, and the surface 64a of the contact portion 64 is capable of contacting the first member 2 when the opening / closing member 8 approaches the storage body 7. As a result, the amount of rotation of the receiving portion 46, i.e., the amount of adjustment for bringing the receiving portion 46 into the correct position, can be set according to the angle of the surface 64a.

[0063] In addition, a movement suppression mechanism is formed by sliding the rotating shaft portion 58 and the bearing portion 51, which generates rotational friction resistance when the receiving portion 46 rotates relative to the base 45, making it difficult for the receiving portion 46 to shift out of position once it has been placed in the correct position.

[0064] Furthermore, since the center of gravity of the receiving portion 46 is close to the rotation shaft portion 58, the receiving portion 46 is less likely to rotate due to its own weight, and therefore the receiving portion 46 is less likely to become displaced from its normal position due to its own weight.

[0065] In particular, the engagement device 1 is configured by arranging the movable body 17 in an operable manner on the first member main body 16, and arranging a regulating body 18 that is in an allowable position that allows the movable body 17 to move under normal circumstances and that moves to a regulating position that regulates the movement of the movable body 17 during vibration, and by configuring a regulating device that regulates the movement of the opening / closing member 8 relative to the storage main body 7 by engagement between the movable body 17, whose movement is regulated by the regulating body 18 in the regulating position, and the receiving portion 46, the position of the receiving portion 46 is automatically adjusted to a position where the receiving portion 46 and the movable body 17 can be reliably engaged with each other, and an earthquake-resistant latch can be configured that can reliably hold the opening / closing member 8 relative to the storage main body 7 through this engagement during vibration.

[0066] In one embodiment, the engagement device 1 is not limited to one that restricts the rotation of the opening / closing member (movable member) 8 relative to the storage body (fixed member) 7 during vibration, but may be, for example, one that restricts the movement or rotation of the movable member relative to the fixed member.

[0067] Furthermore, the first member 2 may have any internal configuration as long as it can realize the function of restricting the movement of the movable body 17 by changing the regulating body 18 from a permissive state (permissive position) to a restrictive state (restrictive position) in response to the seismic sensing action of the seismic sensor 19. For example, the seismic sensor 19 may be formed as a sphere or the like.

[0068] Furthermore, the engagement device 1 is not limited to being applied to a storage device 4 having an opening / closing member 8 which is a hinged door that opens and closes the opening 5 of the storage body 7 by rotating, but can also be applied to a storage device such as a storage device having a sliding door or a drawer. [Explanation of symbols]

[0069] 1. Engagement device as a restricting device 2 First member 3 Second member 7 Storage body which is the fixed member 8 Movable opening and closing parts 16 First member body 17 Movable body 18 Regulatory Body 45 Base 46 Receiving part 58 Rotating shaft 64 Contact Part 64a

Claims

1. a first member disposed on one of a fixed member and a movable member movable relative to the fixed member; a second member disposed on the other of the fixed member and the movable member, The first member is A first member body; a movable body disposed on the first member body, The second member is A substrate; a receiving portion that is held by the base and receives the movable body, The receiving portion is rotatable upward with respect to the base body so as to be in a normal position where the receiving portion can be engaged with the movable body in response to the approach of the movable member to the fixed member by contact between the first member and the receiving portion. An engagement device characterized by:

2. The receiving part is A rotation shaft portion axially supported by a base body; a contact portion that is located at a position away from the pivot shaft portion and has a surface along a radial direction of the pivot shaft portion, The surface of the contact portion is capable of coming into contact with the first member when the movable member approaches the fixed member.

2. The engagement device according to claim 1.

3. The movable body is operably disposed on the first member body; the first member has a restricting body operatively arranged to be in an allowable position that allows the movable body to move in a normal state and to be in a restricting position that restricts the movement of the movable body in a vibration state; The restricting device restricts the movement of the movable member relative to the fixed member by engaging the movable body, the movement of which is restricted by the restricting body in the restricting position, with a receiving portion.

3. The engagement device according to claim 1 or 2.

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