JP2005171592A - Opening and closing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an opening and closing device capable of further increasing crime prevention properties. <P>SOLUTION: The opening and closing device 1 is equipped with a guide body 3 and at the same time, is equipped with a plurality of opening and closing body constituting members 27 forming an opening and closing body 21 opening and closing an opening section 2 by moving in parallel with the guide body 3. A locking means 23 is provided, to at least one of a plurality of opening and closing body constitution members 27 and at the same time, is so constituted that an approximately T-shaped slip preventing hook 28, for preventing the opening and closing body 21 from slipping out of the inside of the guide body 3, can be provided to the opening and closing body constitution member 27 adjacent to the opening and closing body constitution member 27 having the locking means 23. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an opening / closing device with improved crime prevention.

Conventionally, for example, a pair of left and right guide bodies that are vertically spaced apart from each other, and an opening / closing body that moves along the guide body in a state where a part of the guide body is inserted into the guide body to open and close the opening. An opening / closing device provided with locking means provided at the lower end of the opening / closing body and retaining means provided at equal intervals on the side ends of the opening / closing body to prevent the opening / closing body from coming out of the guide body It is known (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 2001-146884

  However, in recent years, in this type of switchgear, strengthening of crime prevention measures has been demanded, and the development of switchgear with improved crime prevention has become an important issue.

  This invention is made | formed in view of such a point, and it aims at providing the opening / closing apparatus which improved crime prevention more.

  The opening and closing device according to claim 1 comprises a guide body and an opening and closing body that moves along the guide body to open and close the opening, and a plurality of opening and closing bodies that are continuously located along the moving direction of the opening and closing body. A component member, locking means provided on at least one of the plurality of opening / closing body component members, and the opening / closing body component member adjacent to the opening / closing body component member provided with the locking means, And a retaining means for preventing the slipping out of the guide body.

  And since the retaining means is provided in the opening / closing body constituent member adjacent to the opening / closing body constituent member provided with the locking means, the crime prevention performance is improved as compared with the conventional opening / closing device.

  The opening / closing apparatus according to claim 2 comprises a guide body and an opening / closing body that moves in the vertical direction along the guide body to open and close the opening, and a plurality of the opening / closing devices that are continuously located along the moving direction of the opening / closing body. Of the opening / closing body constituting member, locking means provided in at least one of the plurality of opening / closing body constituting members and positioned at an intermediate portion in the vertical direction of the opening / closing body, and the opening / closing body constituting member provided with the locking means It is provided in each of the opening / closing body constituent members adjacent to the upper and lower ends, and includes a retaining means for preventing the opening / closing body from coming out of the guide body.

  And since the retaining means is provided in each of the opening / closing member constituting members adjacent to the upper and lower ends of the opening / closing member constituting members provided with the locking means, the crime prevention performance is further improved as compared with the conventional opening / closing device.

  The switchgear according to claim 3 is the switchgear according to claim 1 or 2, wherein the retaining means is a substantially T-shaped retaining hook.

  And it can prevent appropriately that an opening-and-closing body slips out from a guide body with the retaining hook of simple structure.

  The opening / closing device according to claim 4 is the opening / closing device according to any one of claims 1 to 3, wherein the locking means has an engaging portion, and the engaging portion engages with the engaging receiving portion. A first operating body that moves to a locking position that restricts the movement of the first operating body and an unlocking position in which the engaging portion does not engage with the engaging receiving portion and allows the opening and closing body to move, and the first operating body And a second operation body that moves to a restriction position that restricts movement to the unlocking position and an allowable position that allows movement of the first operation body to the unlocking position.

  Since the movement of the first operating body to the unlocked position can be restricted by positioning the second operating body of the locking means at the restricted position, the first operating body is moved to the unlocked position by an unauthorized means. Proper prevention is possible, and crime prevention is further improved.

  According to the switchgear of the first aspect, since the retaining means is provided on the open / close member constituting member adjacent to the open / close member constituting member provided with the locking means, it is more crime-proof than the conventional open / close device. improves.

  According to the switchgear of the second aspect, since the retaining means is provided in each of the switchgear component members adjacent to the upper and lower ends of the switchgear component member provided with the locking means, Compared to crime prevention.

  According to the opening and closing device of the third aspect, the opening and closing body can be appropriately prevented from coming out of the guide body with the retaining hook having a simple configuration.

  According to the switchgear of the fourth aspect, since the movement of the first operating body to the unlocked position can be restricted by positioning the second operating body of the locking means at the restricting position, the first operating body is an unauthorized means. Thus, it is possible to appropriately prevent movement to the unlocking position, and the crime prevention property is further improved.

  An embodiment of the switchgear according to the present invention will be described with reference to FIGS.

  In FIG. 1, reference numeral 1 denotes an opening / closing device, which is a window shutter device that opens and closes an opening 2 such as a window opening of a building.

  The opening / closing device 1 includes a pair of left and right guide bodies (guide rails) 3 that are vertically spaced apart from each other.

  Between the lower end portions of both guide bodies 3, a lower frame body 4 that is a contact portion having a longitudinal shape in the left-right direction is disposed. Between the upper ends of both guide bodies 3, a housing case body (shutter box) 5 that is substantially box-shaped in the left-right direction is disposed, and a winding body 6 such as a winding shaft is disposed in the left-right direction in the housing case body 5. It is arrange | positioned so that rotation is possible centering on this axis.

  Each guide body 3 has a guide body portion 11 having a substantially U-shaped cross section that is open toward the opening 2 and having a longitudinally long longitudinal shape, and an engagement receiving protrusion ( A lower end position key holder) 12 is provided.

  Further, as shown in FIGS. 8 and 9, the guide main body 11 is provided with a retaining projection plate portion (prevention engagement receiving portion) 13 and a partition plate portion 14, respectively. Is formed with an engagement receiving hole (intermediate position key receiver) 15 which is an engagement receiving part penetrating left and right. The guide main body 11 having a substantially U-shaped cross section includes an opposing plate 11a that is spaced apart from each other, and a connecting plate 11b that connects ends of the opposing plates 11a opposite to the ends on the opening 2 side. It is composed of.

  In addition, the opening / closing device 1 is movable to open and close the opening 2 by moving in the vertical direction, which is the moving direction, along the guide body in a state where the insertion portion 21a at the side end as a part is inserted in the guide body. A substantially planar opening / closing body (shutter curtain) 21 is provided.

  When the opening 2 is closed, the opening / closing body 21 moves downward until the lower end abuts against the lower frame body 4 by rewinding from the winding body 6, and is a substantially flat closed state substantially along the vertical plane. Then, the opening 2 is closed. Further, when the opening 2 is opened, the opening / closing body 21 is lifted up by the winding of the winding body 6 until the lower end thereof comes into contact with the lower surface of the bottom surface of the housing case body 5, and is substantially entirely cylindrical within the housing case body 5. The opening 2 is opened.

  Then, the front end position of the opening / closing body 21 in the closing direction, that is, for example, the lower end portion of the opening / closing body 21 in the closed state is engaged with the engagement receiving protrusions 12 of both guide bodies 3 and the opening / closing body 21 moves upward. The main locking means 22 for restricting the movement is attached. Further, at an intermediate position in the moving direction of the opening / closing body 21, for example, at a substantially central portion (intermediate portion) in the vertical direction of the opening / closing body 21 in the closed state, the opening / closing body is engaged with the engagement receiving hole 15 of both guide bodies 3. Sub-locking means 23, which is locking means for restricting movement of 21 in the vertical direction, is attached.

  Here, the opening / closing body 21 is connected to the winding body 6 so that the upper end portion is connected to the winding body 6, and the opening / closing body body portion 25 is provided at the lower end portion of the opening / closing body body portion 25. And a skirting board portion 26 that is an abutting portion that abuts the frame body 4.

  The opening / closing body main body 25 is configured by a plurality of opening / closing body constituting members (shutter slats) 27 that are arranged side by side in the vertical direction and that are adjacently connected to each other by a curl portion 27a. Each of the opening / closing member constituting members 27 has the same shape, and is formed in a substantially curved plate shape that is longitudinal in the left-right direction and concave toward the indoor side.

  Of the plurality of opening / closing member constituting members 27 that are continuously located along the moving direction of the opening / closing body 21, sub-locking means 23, which is an intermediate lock, is provided at an intermediate portion in the vertical direction of the opening / closing body 21 in the closed state. Each of the two opening / closing member constituting members 27 adjacent to the upper and lower ends of one opening / closing member constituting member 27 and the other three opening / closing member constituting members 27 located in a distributed manner, for example, have both left and right end portions thereof. A retaining hook 28 which is a retaining means having a substantially T-shape in a plan view is fixed so as to be located at the position.

  Each retaining hook 28 has the same shape, and has an insertion portion 21a which is a portion located in the guide body 3 of the opening / closing body 21 by engaging with the retaining protrusion 13 forming a pair of the guide body 3. This prevents the guide body 3 from slipping out toward the opening 2 side. Each retaining hook 28 includes a mounting plate 28a fixed to the insertion portion 21a of the opening / closing member constituting member 27, and a first plate integrally provided on the mounting plate 28a and protruding laterally from the insertion portion 21a. The first plate portion 28b and the second plate portion 28c provided integrally at the front end portion of the first plate portion 28b so as to be orthogonal to the first plate portion 28b.

  On the other hand, as shown in FIG. 4, the auxiliary locking means 23 is accommodated and disposed inside one opening / closing member constituting member 27 at a substantially central position in the vertical direction of the opening / closing body 21 in the closed state. That is, substantially the entire sub-locking means 23 is disposed between the curl portions 27a at the upper and lower end portions of the opening / closing member constituting member 27. On the other hand, the base plate 26 at the lower end portion of the opening / closing body 21 is formed in a substantially hollow shape with a longitudinal shape in the left-right direction, and the main locking means 22 is attached to the base plate portion 26.

  As shown in FIG. 1, the main locking means 22 is engaged with the engagement receiving projection 12 by the advancement and retraction of the guide body 3 with respect to the engagement receiving projection 12 when the opening 2 is closed. A pair of left and right engaging bodies (key bars) 31 that move to a locking position that restricts the upward movement and an unlocking position that does not engage the engagement receiving projection 12 and allow the opening and closing body 21 to move are provided.

  Each engagement body 31 is movably attached to the longitudinal end of the baseboard portion 26 of the opening / closing body 21, and both engagement bodies 31 are pivotally attached to the longitudinal center portion of the baseboard portion 26. Based on the operation of the lever 32, the engagement receiving protrusion 12 moves forward and backward to move between the locked position and the unlocked position. The central operating lever 32 and the left and right engaging bodies 31 are connected by connecting means (not shown), and both engaging bodies 31 are moved simultaneously by one operating lever 32.

  On the other hand, as shown in FIGS. 2 to 8 and the like, the sub-locking means 23 is configured so that the engaging portion 40 is engaged with the engaging receiving hole portion by the advancement / retraction of the guiding body 3 with respect to the engaging receiving hole portion 15 when the opening portion 2 is closed. The locking position that engages 15 and restricts the vertical movement of the opening / closing body 21 and the unlocking position that allows the opening / closing body 21 to move without the engagement portion 40 engaging the engagement receiving hole 15. A pair of left and right substantially plate-shaped first operating bodies 41 that move along the direction are provided.

  Each first operation body 41 can be slid by hand with respect to the guide body 46 from the room side, and the pair of left and right first operation bodies 41 have a symmetrical configuration. The first operation body 41 on the left side in the room view provided on the left end side will be mainly described.

  The first operating body 41 is formed in a substantially rectangular plate shape with a longitudinal shape in the left-right direction, and is constituted by, for example, a first plate 43 and a second plate 44 that are integrally connected to each other.

  The first operating body 41 is a guide body having a substantially longitudinal C-shaped cross section that is longitudinally fixed in the left-right direction and fixed by a fixture 45 such as a driving rivet on the indoor surface side of one opening / closing body constituting member 27 of the opening / closing body 21. 46 is movably provided. That is, the first operating body 41 is fitted on the left end side of the guide body 46 that guides the movement of the first operating body 41 so as to be slidable in the left-right direction along the longitudinal direction of the guide body 46.

  The guide body 46 is, for example, an elongated substantially rectangular flat plate-like main body plate portion 47 and an upper guide groove that is provided integrally with the upper end portion of the main body plate portion 47 and the upper end portion of the first operating body 41 is slidably fitted inward. The concave portion 48 and a lower guide groove concave portion 49 provided integrally with the lower end portion of the main body plate portion 47 and slidably fitted to the lower end portion of the first operating body 41 are configured.

  In the upper guide groove recess 48 of the guide body 46, a locking position hole (locking position positioning part) 51 and an unlocking position hole (unlocking position positioning part) 52 are formed apart from each other. ing. Further, the lower guide groove concave portion 49 is formed with an engagement receiving hole 53 which is an engagement receiving portion penetrating vertically.

  Further, the left end portion of the first operating body 41 is an engagement portion 40 that enters into the engagement receiving hole portion 15 of the guide body 3 and engages with the engagement receiving hole portion 15. As shown in FIG. 8, the engaging portion 40 is positioned close to the connecting plate 11 b of the guide main body 11 of the guide body 3 in a state where the first operating body 41 is positioned at the locking position.

  On the other hand, the right end portion of the first operating body 41 is an operating body mounting portion 55, and a vertical guide groove 56 is formed in the operating body mounting portion 55. In the vicinity of the right end of the first operating body 41, a finger hooking hole 57 that is a finger hooking portion is formed.

  Further, a notch recess 58 is formed in the upper end portion of the first operating body 41 in the vicinity of the finger hooking hole 57, and a positioning engagement protrusion (positioning engagement) that can be elastically deformed from the right end of the notch recess 58. ) 59 extends to a position near the left end of the notch recess 58, and a gap 60 exists between the tip of the positioning engagement protrusion 59 and the left end of the notch recess 58. At the tip of the positioning engagement protrusion 59, a mountain-shaped protrusion 59 a that protrudes upward from the upper end of the first operating body 41 other than the positioning engagement protrusion 59 is formed.

  Then, the positioning engagement protrusion 59 of the first operating body 41 engages with the locking position hole 51 or the unlocking position hole 52 to position the first operating body 41 at the locking position or the unlocking position. To do. That is, the protrusion 59a of the positioning engagement protrusion 59 of the first operating body 41 enters the locking position hole 51 of the guide body 46 and engages with the locking position hole 51, thereby causing the first operation. The body 41 is positioned at the locking position, and the protruding portion 59a of the positioning engaging projection piece 59 of the first operating body 41 enters the unlocking position hole 52 of the guide body 46, and this unlocking position hole 52 The first operating body 41 is positioned at the unlocked position by engaging with.

  The pair of left and right first operating bodies 41 are disposed on both the left and right sides of the opening / closing body 21 so as to be spaced apart from each other with a predetermined separation distance (for example, 1500 mm or more). That is, for example, the first operating body 41 on the left side in the room view is disposed in a quarter of the left end when the opening / closing body 21 is cut into four equal parts by vertically cutting the first operating body 41 on the right side in the room view. 41 is disposed in a quarter portion at the right end when the opening / closing body 21 is cut in the vertical direction and divided into four equal parts.

  Further, the sub-locking means 23 is configured so that when the opening 2 is closed, the engaging portion 70 is engaged with the engagement receiving hole 53 by the vertical movement with respect to the first operating body 41, and the unlocking position of the corresponding first operating body 41 is reached. To the restricting position for restricting the movement (returning operation) to the engagement position 70 and the permissible position for allowing the corresponding first operating body 41 to move to the unlocking position without engaging the engagement receiving hole 53. A pair of left and right second operation bodies 71 are provided, and the pair of left and right second operation bodies 71 are provided corresponding to each of the pair of left and right first operation bodies 41.

  Each of the second operating bodies 71 is slidable with respect to the first operating body 41 by hand from the indoor side, and the pair of left and right second operating bodies 71 have a symmetrical configuration. Description will be made centering on the second operation body 71 on the left side in the room view provided on the first operation body 41 so as to be movable in the vertical direction.

  The second operation body 71 has a substantially rectangular plate-like operation main body 73 in which a finger hook uneven portion 72 that is a finger hook is formed on the surface on the indoor surface side. A substantially rectangular plate-like engagement portion 70 that enters the engagement receiving hole portion 53 and engages with the engagement receiving hole portion 53 is integrally provided. Further, a mounting portion 74 is integrally provided at the left end portion of the operation main body 73, and the mounting portion 74 is formed with a vertically extending convex portion 75 guided by the guide groove 56.

  The attachment portion 74 of the second operating body 71 is fitted and attached to the operating body attached portion 55 of the first operating body 41, and the second operating body 71 is inserted into the guide groove 56 with respect to the first operating body 41. It can slide up and down along.

  As is clear from FIG. 2, the second operating body 71 is slidable in the left-right direction together with the first operating body 41 with respect to the guide body 46 in a state where the second operating body 71 is located at the allowable position. Further, the guide body 46 has a protruding stopper portion 76 that prevents the first operating body 41 and the second operating body 71 from excessively moving to the center in the left-right direction of the opening / closing body 21 due to contact with the second operating body 71. Is provided.

  Next, the operation and the like of the opening / closing device 1 will be described.

  When the opening 2 of the building is closed and locked, the opening / closing body 21 is unwound from the winding body 6 while being lowered along the opening 2 so that the baseboard 26 at the lower end of the opening / closing body 21 is attached to the lower frame 4. After the contact, the main locking means 22 and the sub-locking means 23 are operated from the indoor side to enter the locked state.

  That is, for the main locking means 22, the operating lever 32 is operated to move the pair of left and right engaging bodies 31 to the locking position.

  As for the auxiliary locking means 23, for example, a finger is first placed on the finger hooking hole 57 of the first operating body 41 on the left side in the room view, and the first operating body 41 is guided to the locking position together with the second operating body 71 at the allowable position. The engagement portion 40 of the first operation body 41 is moved into the engagement receiving hole portion 15 of the guide body 3 by being moved along the body 46.

  When the first operating body 41 is positioned at the locking position, as shown in FIG. 3, the protruding portion 59a of the positioning engaging protrusion 59 enters the locking position hole 51 of the guide body 46 based on the elastic restoring force. Thus, the first operating body 41 is positioned at the locking position by engaging with the locking position hole 51. Further, at this time, the corresponding second operating body 71 moves downward to the restriction position (return restriction position) which is the lower position by its own weight, and the engaging portion 70 of the second operating body 71 engages with the guide body 46. It enters into the receiving hole 53.

  Thereafter, the first operating body 41 on the right side in the room view is operated in the same manner to place the first operating body 41 in the locking position and the corresponding second operating body 71 in the restricted position.

  In the locked state of the sub-locking means 23 shown in FIG. 3, the first operating body 41 is moved to the unlocked position from the outdoor side by a tool such as a bar or a flat-blade screwdriver intentionally such as maliciously. Even when a force to be moved is applied, the second operating body 71 is positioned at the restricting position (return restricting position), so that the movement of the first operating body 41 to the unlocking position is restricted. That is, when the engaging portion 70 of the second operating body 71 in the restricting position is engaged with the engagement receiving hole 53 of the guide body 46, the return operation of the first operating body 41 to the unlocked position by unauthorized means. Is prevented.

  Further, even if the first operating body 41 of the auxiliary locking means 23 is forcibly opened using a tool such as a bar, the opening / closing body constituting member 27 to which the auxiliary locking means 23 is attached is rotated adjacently. Since a retaining hook 28 is attached to each of the two movably connected opening / closing member constituting members 27, the engagement between the retaining hook 28 and the retaining projection plate 13 causes the insertion portion 21 a to move inside the guide body 3. Extraction from the door is prevented, thereby preventing prying by unauthorized means.

  On the other hand, when the opening 2 is opened, the operation lever 32 of the main locking means 22 is operated to move the pair of left and right engaging bodies 31 to the unlocked position.

  For the sub-locking means 23, for example, first, a finger is put on the finger hook uneven portion 72 of the second operating body 71 on the left side in the room view, and the second operating body 71 is moved upward to an allowable position which is an upper position. The engaging portion 70 of the second operating body 71 is taken out from the engaging receiving hole 53 of the guide body 46.

  Then, with the second operating body 71 positioned at the allowable position, a finger is put on the finger hook hole 57 of the first operating body 41 and the first operating body 41 is unlocked together with the second operating body 71 at the allowable position. The engagement portion 40 of the first operating body 41 is taken out from the engagement receiving hole portion 15 of the guide body 3.

  Thereafter, the second operating body 71 and the first operating body 41 on the right side in the room view are operated in the same manner to place the second operating body 71 at the allowable position and the corresponding first operating body 41 at the unlocked position. Let

  After the main locking means 22 and the sub-locking means 23 are unlocked in this way, the opening / closing body 21 is raised along the opening 2 while being wound around the winding body 6.

  According to the opening / closing device 1, the retaining hook 28 is provided on each of the two opening / closing member constituting members 27 adjacent to the upper and lower ends of the opening / closing member constituting member 27 provided with the sub-locking means 23 that is an intermediate lock. Since the auxiliary locking means 23 is located close to the auxiliary locking means 23, the auxiliary locking means 23 can be prevented from being opened and the crime prevention property is good.

  In addition, since the movement of the corresponding first operating body 41 to the unlocked position can be restricted by positioning the second operating body 71 at the restricting position when the sub-locking means 23 is locked, the pair of left and right first pairs It is possible to appropriately prevent the operating body 41 from being moved to the unlocked position by unauthorized means from the outdoor side, and the crime prevention property is further improved.

  Further, since the pair of left and right first operating bodies 41 that are paired are spaced apart from each other with a predetermined separation distance of, for example, 1500 mm or more, compared to the case where the paired first operating bodies 41 are located close to each other. The crime prevention property can be further improved.

  Further, the first operating body 41 and the second operating body 71 are formed in a substantially plate shape so that they can be disposed between the curled portions 27a that are vertically separated from each other, and the sub-locking means 23 is used as the opening / closing body constituting member 27 of the opening / closing body 21. Since the opening / closing body 21 can be appropriately wound by the winding body 6, the secondary locking means 23 adversely affects the winding shape of the opening / closing body 21 and damages the opening / closing body component 27. Etc. can be effectively prevented.

  Further, the first operating body 41 can be appropriately positioned at the locking position by the engagement between the positioning engaging protrusion 59 and the locking position hole 51, and the positioning engaging protrusion 59 and the unlocking position hole 52 can be positioned. The first operating body 41 can be appropriately positioned at the unlocked position by the engagement with.

  In the above embodiment, the configuration in which the second operating body 71 is provided corresponding to each of the first operating bodies 41 forming a pair of the sub-locking means 23 has been described. One second operating body may be arranged between the operating bodies so as to move in the vertical direction between the restriction position and the allowable position.

  Further, the opening / closing device 1 is provided with a main locking means (locking means) 22 on a substantially hollow opening / closing body constituting member (baseboard slat) constituting the baseboard portion 26 of the opening / closing body 21, and the main locking means 22 A configuration in which a retaining hook 28 is provided on the opening / closing member constituting member 27 adjacent to the upper end of the provided opening / closing member constituting member may be employed.

  Further, the opening / closing device 1 is preferably provided with a retaining hook 28 on each of the upper and lower opening / closing member constituting members 27 adjacent to the opening / closing member constituting member 27 provided with the sub-locking means 23 which is an intermediate lock. The retaining hook 28 may be provided on only one of the upper and lower opening / closing member constituting members 27.

  Further, the opening / closing device 1 may include a plurality of sub-locking means 23, and a retaining hook 28 may be provided on the opening / closing body constituting member 27 adjacent to each opening / closing body constituting member 27 provided with the sub-locking means 23.

  Furthermore, the locking means such as the sub-locking means 23 is not limited to the configuration in which the locking means is positioned at the approximate center in the vertical direction of the opening / closing body 21, and the locking means may be positioned on the upper end side of the opening / closing body 21.

  Further, the retaining means is not limited to the substantially T-shaped retaining hook 28, and may be, for example, a substantially L-shaped one, a substantially J-shaped one or other shapes, etc. It is more preferable to have a shape that protrudes in the thickness direction from the thickness. The shape of the guide body 3 is preferably an internal shape corresponding to the retaining hook 28.

  On the other hand, the opening / closing device 1 is not limited to a window shutter device fixed around the opening 2 such as a window opening, and other shutter devices and blind devices fixed around other openings, for example. Or a plurality of the same or different types of these devices.

  Furthermore, the opening / closing device 1 is not limited to the configuration in which the lower end of the opening / closing body 21 contacts the lower frame body 4 when the opening 2 is closed. For example, the lower frame body 4 is not provided, and the lower end of the opening / closing body 21 is provided. The structure etc. which contact | abut directly to the building side, such as a floor surface, the ground, etc. may be sufficient.

It is a room view front view which shows one Embodiment of the switchgear of this invention. It is a room view front view of the unlocking state of the locking means of the opening / closing device same as the above. It is a room view front view of the locking state of a locking means same as the above. It is a side view of a locking means same as the above. It is a room view front view of the operating body of a locking means same as the above. It is AA sectional drawing in FIG. It is a B arrow line view in FIG. It is a top view of the slat with an intermediate | middle lock of the opening / closing apparatus same as the above. It is a top view of the slat with a retaining hook of the opening / closing apparatus same as the above. It is a partial front view of the opening / closing body of the opening / closing apparatus same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Opening and closing device 2 Opening part 3 Guide body
15 Engagement receiving hole which is the engagement receiving part
21 Opening and closing body
23 Sub-locking means that are locking means
27 Opening and closing body components
28 Retaining hooks as retaining means
40 Engagement part
41 First operation body
71 2nd control body

Claims (4)

A guide,
An opening / closing body configured to move along the guide body to open and close the opening, and a plurality of opening / closing body components positioned along the moving direction of the opening / closing body;
Locking means provided on at least one of the plurality of opening / closing member constituting members;
Opening and closing means provided on the opening and closing body component adjacent to the opening and closing body component provided with the locking means, and preventing the opening and closing body from slipping out of the guide body. apparatus. A guide,
A plurality of opening / closing body constituting members that are configured to move in the vertical direction along the guide body to open and close the opening, and that are continuously located along the moving direction of the opening / closing body,
Locking means provided on at least one of the plurality of opening / closing member constituent members and positioned in the middle in the vertical direction of the opening / closing member;
A retaining means provided on each of the opening and closing body constituent members adjacent to the upper and lower ends of the opening and closing body constituent member provided with the locking means, and preventing the opening and closing body from coming out of the guide body. A switchgear characterized by that. The switchgear according to claim 1 or 2, wherein the retaining means is a substantially T-shaped retaining hook. Locking means is
A locking position having an engaging portion that engages with the engagement receiving portion to restrict the movement of the opening and closing body, and the engagement portion does not engage with the engagement receiving portion and moves the opening and closing body. A first operating body that moves to an allowed unlocking position;
A second operating body that moves to a restriction position that restricts movement of the first operating body to the unlocking position and an allowable position that allows movement of the first operating body to the unlocking position. The locking device according to any one of claims 1 to 3, characterized in that:

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