JP6746133B2 - Door stopper - Google Patents

Description

The present invention relates to a door stopper which is attached to a predetermined position of a door and, when the door is opened, is locked by a metal stopper plate provided on the floor surface to regulate opening and closing of the door.

A conventional door stopper is attached to a door that opens and closes, and is locked by a stopper device provided on the floor surface to regulate the rotation of the door. The stopper device includes a base fixed to the floor and a metal stopper plate rotatably attached to the base. A conventional door stopper has a case attached to a door that opens and closes, and a magnet is provided in the case. In the conventional door stopper, when the door is opened and closed and the case is located above the stopper device, a magnet in the case draws a metal stopper plate to bring it into contact with one side of the case to regulate the opening and closing of the door ( For example, Patent Documents 1 and 2).

When opening the door, the conventional door stopper attracts the metal stopper plate of the stopper device installed on the floor and the magnet of the case attached to the door abuts against one side of the case, and the door no longer moves. Some restricted opening, but there were also things that could hold the door open. A door stopper that holds the door in an open state has a case provided with a lock member. The lock member projects from the case and locks a metal stopper plate to hold the door in an open state. Further, the lock member is retracted into the case to unlock the metal stopper plate. The case is provided with an operation member for operating the lock member to move in and out. Therefore, the lock member is projected and retracted from the case by operating the operation member (for example, Patent Document 3).

Further, there is a conventional door stopper in which a lock member is fixed to a case in a protruding state (for example, Patent Document 4). This door stopper has a lock release means in the case, and locks the metal stopper plate to the lock member, while the metal stopper plate itself locked to the lock member is engaged by the lock release means. Move in the stop direction to release the lock.

Japanese Patent No. 2983530 Japanese Patent No. 2990601 Japanese Patent No. 3553818 Japanese Patent No. 3586265

As described above, the conventional door stopper has a structure in which the metal stopper plate is attracted by the magnet and locked to the case, and the lock member is retracted to lock and unlock the metal stopper plate. There are a structure and a structure that unlocks the lock member by moving the metal stopper plate itself. However, there is no door stopper having these three types of configurations.

The present invention has been devised in view of the above problems, and has a configuration in which a metal stopper plate is attracted by a magnet to be locked to a case, and a lock member is retracted to lock and unlock the metal stopper plate. It is an object of the present invention to provide a door stopper having a novel configuration that has not been available in the past, including a configuration for performing the above and a configuration for moving the metal stopper plate itself to unlock the lock member.

Door stopper according to the present invention, for achieving the above object, attached to the door for opening and closing, the door opens and closes, when located above the rotatably mounted to the floor surface metal stopper plate, the metal of the stopper plate engages attracted by a magnet, a doorstop that prevents the opening and closing of the door, a case attached to the door, provided in the case, drawn metal of the stopper plate is brought into contact with one side of the casing Te, and the magnet for regulating the opening and closing of the door, the stored position the tip is housed in the case, the tip is provided so as to be movable in the projecting position projecting from the casing, a lock member for locking the metal of the stopper plate at the protruding position, the operating member provided movably in said case, provided in the operating member, the locking for locking the one side of the locking member and member, wherein arranged between the locking member and the operating member consists of a resilient member for urging in a direction to protrude the tip of the locking member on one of the case and the operation member or said case and said locking member the engagement portion is provided, the first engaged portion and the second engaged portion to be engaged with the engaging portion is provided on the other of said case and said operating member or said case and said locking member is the locking member, when the first engaged portion and the engaging portion are engaged, said locking member engaging seals and fixed in the storage position, the second and the engagement portion When the engaged portion is engaged to release the engagement of said locking member, said locking member is moved to the protruding position by the elasticity of the elastic member, the operating member, the tip of the locking member of said projecting position It is characterized in that the metal stopper plate locked to the above is moved in the anti-locking direction against the magnetic force of the magnet to release the lock .

Door stopper according to the present invention in order to achieve the above object, the engaging portion is formed in a convex shape, the first engaged portion and the second engaged portion is formed in a concave shape, the the first engaged portion is formed so as to engage immovably said engaging portion, and positioning the locking member during engagement of the engaging portion in the storage position, the second to-be engaged engaging portion is formed so as to engage movably the engaging portion, in that the locking member during engagement of the engagement portion is to be moved in a range of the stored position and the protruding position Characterize.

Door stopper according to the present invention in order to achieve the above object, the first engaged portion is formed so as to engage the engaging portion which is biased by the elastic member, the engagement portion of positioning the locking member during engagement with the storage position, the second engaged portion is formed so as to engage the engaging portion which is biased by the elastic member, the engagement portion said locking member positioned in the projecting position when the engagement, and the locking member is moved against the engaging portion to the elasticity of the elastic member to move in a range of the stored position and the protruding position It is characterized by

In order to achieve the above object, the door stopper according to the present invention is attached to a door that opens and closes, and when the door is opened and closed and positioned above a metal stopper plate rotatably provided on the floor, A door stopper for blocking the opening and closing of the door by attracting and engaging the metal stopper plate with a magnet, and a case attached to the door, and the metal stopper plate provided in the case and attracting the metal stopper plate. The magnet that is brought into contact with one side of the case to regulate the opening and closing of the door, a storage position where the tip is stored in the case, and a projection position where the tip projects from the case. A lock member that locks the metal stopper plate at the protruding position, an operation member that is movably provided on the case, and a lock that is provided on the operation member and that locks one side of the lock member. A member and an elastic member that is disposed between the lock member and the operation member and urges the lock member in the direction in which the tip projects, and the case and the operation member or the case and the lock member Is provided with an engaging portion, and the other of the case and the operating member or the case and the locking member is provided with a first engaged portion and a second engaged portion that engage with the engaging portion. When the engaging portion and the first engaged portion are engaged with each other, the locking member locks the locking member and fixes the locking member at the storage position, and the engaging portion and the second When the engaged portion is engaged, the locking of the lock member is released, the lock member is moved to the projecting position by the elasticity of the elastic member, and the engaging portion is formed in a convex shape. The engaged portion and the second engaged portion are formed in a concave shape, and the first engaged portion is formed so as to immovably engage the engaging portion, When the lock member is engaged, the lock member is positioned at the storage position, the second engaged portion is formed to movably engage the engaging portion, and when the engaging portion is engaged, It is characterized in that the lock member is movable in the range between the projecting position and the storage position. Further, in order to achieve the above object, the door stopper according to the present invention is characterized in that the operation member is a cover slidably attached to the case .

In order to achieve the above object, the door stopper according to the present invention is attached to a door that opens and closes, and when the door is opened and closed and positioned above a metal stopper plate rotatably provided on the floor, A door stopper for blocking the opening and closing of the door by attracting and engaging the metal stopper plate with a magnet, and a case attached to the door, and the metal stopper plate provided in the case and attracting the metal stopper plate. The magnet that is brought into contact with one side of the case to regulate the opening and closing of the door, a storage position where the tip is stored in the case, and a projection position where the tip projects from the case. A lock member that locks the metal stopper plate at the protruding position, an operation member that is movably provided on the case, and a lock that is provided on the operation member and that locks one side of the lock member. A member and an elastic member that is disposed between the lock member and the operation member and urges the lock member in the direction in which the tip projects, and the case and the operation member or the case and the lock member Is provided with an engaging portion, and the other of the case and the operating member or the case and the locking member is provided with a first engaged portion and a second engaged portion that engage with the engaging portion. When the engaging portion and the first engaged portion are engaged with each other, the locking member locks the locking member and fixes the locking member at the storage position, and the engaging portion and the second When the engaged portion is engaged, the locking of the lock member is released, the lock member moves to the projecting position by the elasticity of the elastic member, and the operation member is slidably attached to the case. It is characterized by being a cover. Further, in the door stopper according to the present invention, in order to achieve the above object, the first engaged portion is formed so as to engage with the engaging portion biased by the elastic member. The lock member is positioned at the storage position when the mating portion is engaged, and the second engaged portion is formed so as to engage the engaging portion biased by the elastic member. When the mating portion is engaged, the lock member is positioned at the protruding position, and the engaging portion is moved against the elasticity of the elastic member to move the lock member within the range between the protruding position and the storage position. It is characterized by doing so .

The door stopper according to the present invention is attached to an opening/closing door, and when the door is opened/closed and positioned above a metal stopper plate rotatably provided on the floor surface, the metal stopper plate is magnetized. It pulls and engages to prevent the door from opening and closing. A door stopper according to the present invention includes a case attached to a door, a magnet provided on the case, which attracts a metal stopper plate to abut one side of the case, and regulates opening and closing of the door, and a tip of the door stopper to the case. A storage position to be stored, a lock member that is movably provided at a protruding position where the tip protrudes from the case, and locks a metal stopper plate at the protruding position; and an operation member that is movably provided to the case, From a locking member that is provided on the operation member and locks one side of the lock member, and an elastic member that is disposed between the lock member and the operation member and that biases the lock member in the direction in which the tip projects. Become. An engagement portion is provided on one of the case and the operation member or the case and the lock member. A first engaged portion and a second engaged portion that engage with the engaging portion are provided on the other of the case and the operating member or the case and the locking member. When the engaging portion and the first engaged portion engage, the locking member locks the lock member and fixes the locking member at the storage position, and the engaging portion engages the second engaged portion. Then, the lock of the lock member is released, and the lock member moves to the projecting position by the elasticity of the elastic member.

A door stopper according to the present invention is attached to a door that opens and closes, and operates an operating member to lock a case and an operating member or an engaging portion provided on one of the case and a locking member with a case and an operating member or a case and a locking member. When engaged with the first engaged portion provided on the other side of the member, the locking member locks the lock member and fixes the lock member at the storage position. The door stopper according to the present invention rotates in the opening direction of the door and is positioned above the metal stopper plate rotatably provided on the floor surface, whereby the metal stopper plate is attracted by the magnet. It is possible to engage with the case and prevent the door from rotating in the opening direction and not prevent the door from rotating in the closing direction.

The door stopper according to the present invention operates the operation member when the metal stopper plate is engaged with the case, and the engagement portion provided on the case and the operation member or one of the case and the lock member. Is engaged with a second engaged portion provided on the other of the case and the operating member or the case and the locking member, the locking of the locking member with respect to the locking member is released, and the locking member is elasticized by the elastic member. It moves to the projecting position, and the tip of the lock member locks the metal stopper plate. The locking member and the stopper plate made of metal prevent the door from rotating in the closing direction, and the open state of the door is maintained. By operating the operation member, the engagement portion provided on the case and the operation member or one of the case and the lock member is changed to the first engaged portion provided on the other of the case and the operation member or the case and the lock member. When engaged, the lock member moves to the storage position, the engagement with the metal stopper plate is released, and the door can be closed.

In the door stopper according to the present invention, the engaging portion is formed in a convex shape, and the first engaged portion and the second engaged portion are formed in a concave shape. The first engaged portion is formed to immovably engage the engaging portion, and positions the lock member at the storage position when the engaging portion engages. The second engaged portion is formed so as to movably engage with the engaging portion, and allows the lock member to move between the projecting position and the storage position when the engaging portion is engaged. ..

In the door stopper according to the present invention, an engaging portion provided on one of the case and the operating member is engaged with a second engaged portion provided on the other of the case and the operating member to project the lock member. Since the second engaged portion is movably engaged with the engaging portion even when it is moved to the position, the lock member (operating member) is moved against the elasticity of the elastic member. be able to.

In the door stopper according to the present invention, the first engaged portion is formed so as to engage the engaging portion biased by the elastic member, and the lock member is stored at the storage position when the engaging portion is engaged. Position with. The second engaged portion is formed so as to engage the engaging portion biased by the elastic member, and when the engaging portion is engaged, the lock member is positioned at the projecting position so that the engaging portion is The lock member is moved against the elasticity of the elastic member so that the lock member can be moved between the projecting position and the storage position.

In the door stopper according to the present invention, an engaging portion provided on one of the case and the locking member is engaged with a second engaged portion provided on the other of the case and the locking member to project the locking member. Since the second engaged portion is movably engaged with the engaging portion even when it is moved to the position, the lock member (operating member) is moved against the elasticity of the elastic member. be able to.

In the door stopper according to the present invention, the operating member releases the lock by moving the metal stopper plate locked to the tip of the lock member at the protruding position in the anti-locking direction against the magnetic force of the magnet. It is a configuration that does. Therefore, the operation member has both an operation function of retracting the lock member and a release function of pushing down the metal stopper plate to release the lock.

If the door stopper according to the present invention is a cover in which the operation member is slidably attached to the case, operability is improved, the number of parts is reduced, and a functional and inexpensive structure can be obtained.

It is an exploded perspective view showing one example of a door stopper concerning the invention in this application. It is an assembly perspective view of FIG. It is a figure explaining the inside of Drawing 2, (a) is a perspective sectional view, and (b) is a side sectional view. It is a figure explaining the case of the door stopper of FIG. 1, (a) is a front side perspective view, (b) is a rear side perspective view. It is a figure explaining the case of FIG. 4, (a) is a front view, (b) is a left side view, (c) is a right side view, (d) is an AA sectional view, (e) is a rear view. The figure, (f) is a top view, (g) is a bottom view. It is a figure explaining the cover of the door stopper of FIG. 1, (a) is a front side perspective view, (b) is a rear side perspective view. It is a figure explaining the cover of FIG. 6, (a) is a front view, (b) is a left side view, (c) is a right side view, (d) is an AA sectional view, (e) is a rear view. The figure, (f) is a top view, (g) is a bottom view. It is a figure explaining the lock member of the door stopper of Drawing 1, (a) is a front side perspective view, and (b) is a back side perspective view. It is a figure explaining the locking member of FIG. 8, (a) is a front view, (b) is a left side view, (c) is a right side view, (d) is an AA sectional view, (e) is A rear view, (f) is a plan view, and (g) is a bottom view. It is explanatory drawing explaining the 1st movement of the door stopper of FIG. It is explanatory drawing explaining the 2nd movement of the door stopper of FIG. It is explanatory drawing explaining the 3rd movement of the door stopper of FIG. It is an exploded perspective view showing other examples of a door stopper concerning the invention in this application. It is a perspective sectional view explaining the inside of FIG. It is a figure explaining the door stopper of FIG. 13, (a) is a front view, (b) is a right side view, (c) is a plan view, (d) is an AA cross-sectional view, (e) is B. It is a -B sectional view. It is explanatory drawing explaining the 1st movement of the door stopper of FIG. It is explanatory drawing explaining the 2nd movement of the door stopper of FIG. It is explanatory drawing explaining the 3rd movement of the door stopper of FIG.

The outline of the door stoppers 11 and 111 will be described. As shown in FIG. 2, the door stopper 11 is attached to a door D that opens and closes, and when the door D opens and closes and is positioned above a metal stopper plate 3 rotatably provided on the floor surface, The magnet-made stopper plate 3 is pulled by the magnet 21 and engaged therewith to prevent the door D from opening and closing. As shown in FIG. 1, the door stopper 11 is provided on the case 12 attached to the door D, and the metal stopper plate 3 is attracted to abut one side 26 of the case 12 (see FIG. b)), the magnet 21 that regulates the opening and closing of the door D, the storage position where the tip 61A is stored in the case 12 (see FIG. 11A), and the tip 61A can be moved to a protruding position where it projects from the case 12. 11 (see FIG. 11(c)), which locks the metal stopper plate 3 at the protruding position, and the operation member 41 movably provided in the case 12 (see FIG. 12(e)). ), as shown in FIG. 3, a locking member 58 provided on the operation member 41 and for locking one side 69a of the lock member 61, and a lock member arranged between the lock member 61 and the operation member 41 and locked. The elastic member 80 biases the member 61 in the protruding direction of the tip 61A.

As shown in FIGS. 4 and 6, one of the case 12 and the operating member 41 is provided with engaging portions 31, 32, and the other of the case 12 and the operating member 41 is engaged with the engaging portion 31, 32. First engaged portions 53, 54 and second engaged portions 55, 56 are provided. When the engaging portions 31, 32 and the first engaged portions 53, 54 are engaged with each other, the locking member 58 locks the lock member 61, as shown in FIG. When the engaging portions 31 and 32 and the second engaged portions 55 and 56 are engaged with each other, the lock member 61 is released from the lock as shown in FIG. The elasticity of the elastic member 80 causes 61 to move to the protruding position.

The door stopper 11 is attached to the door D that opens and closes, and operates the operating member 41 so that the engaging portions 31 and 32 provided on one of the case 12 and the operating member 41 are connected to the other of the case 12 and the operating member 41. When engaging the provided first engaged portions 53 and 54, the locking member 58 locks the lock member 61 and fixes the lock member 61 at the storage position, as shown in FIG. 11A. .. When the door stopper 11 is rotated in the opening direction of the door D and is located above the metal stopper plate 3 rotatably provided on the floor surface, as shown in FIG. The stopper plate 3 can be attracted by the magnet 21 and engaged with the case 12 to prevent the door D from rotating in the opening direction A and not blocking the door D from rotating in the closing direction B.

The door stopper 11 operates the operation member 41 when the metal stopper plate 3 is engaged with the case 12, and the engagement portions 31, 32 provided on one of the case 12 and the operation member 41. Is engaged with the second engaged parts 55 and 56 provided on the other side of the case 12 and the operation member 41, as shown in FIG. 11C, the locking member 58 is locked to the locking member 61. Is released, the lock member 61 is moved to the projecting position by the elasticity of the elastic member 80, and the tip 61A of the lock member 61 locks the stopper plate 3 made of metal. The locking member 61 and the stopper plate 3 made of metal prevent the door D from rotating in the closing direction B, so that the door D is maintained in the open state. As shown in FIG. 11D, the operating member 41 is operated so that the engaging portions 31 and 32 provided on one of the case 12 and the operating member 41 are provided on the other of the case 12 and the operating member 41. When the first engaged portions 53 and 54 are engaged, the lock member 61 moves to the storage position, the engagement with the metal stopper plate 3 is released, and the door D can be closed.

In the door stopper 11, the engaging portions 31, 32 are formed in a convex shape, and the first engaged portions 53, 54 and the second engaged portions 55, 56 are formed in a concave shape. The first engaged portions 53 and 54 are formed to immovably engage the engaging portions 31 and 32, and as shown in FIG. 11A, the engaging portions 31 and 32 are engaged with each other. Sometimes the lock member 61 is positioned at the storage position. The second engaged portions 55 and 56 are formed so as to movably engage the engaging portions 31 and 32, and as shown in FIGS. 12B and 12C, the engaging portion 31. , 32 when the lock members 61 are engaged, the lock members 61 can be moved between the projecting position and the storage position.

The door stopper 11 engages the engaging portions 31 and 32 provided on one of the case 12 and the operating member 41 with the second engaged portions 55 and 56 provided on the other of the case 12 and the operating member 41. Then, even when the lock member 61 is moved to the projecting position, the second engaged portions 55 and 56 are formed so as to movably engage the engaging portions 31 and 32. As shown in (b) to (e), the lock member 61 (operation member 41) can be moved against the elasticity of the elastic member 80.

As shown in FIG. 2, the door stopper 111 is attached to the door D that opens and closes. When the door D opens and closes and is positioned above the metal stopper plate 3 rotatably provided on the floor, The metal stopper plate 3 is attracted and engaged by the magnet 121 to prevent the door D from opening and closing. As shown in FIG. 13, the door stopper 111 is provided on the case 112 attached to the door D, and the case 112 is provided. The metal stopper plate 3 is pulled to abut one side 126 of the case 112 (see FIG. e)), the magnet 121 for restricting the opening and closing of the door D, the storage position where the tip 161A is stored in the case 112 (see FIG. 16), and the tip 161A movably provided in a protruding position protruding from the case 112. (See FIG. 17), a lock member 161 for locking the metal stopper plate 3 at the protruding position, an operation member 141 movably provided on the case 112 (see FIG. 18), and the operation member 141. , A locking member 158 for locking one side 169a of the locking member 161, and an elastic member 180 arranged between the locking member 161 and the operating member 141 for urging the locking member 161 in the direction in which the tip 161A projects. It consists of and.

As shown in FIGS. 16 and 17, one of the case 112 and the lock member 161 is provided with engaging portions 181 and 186, and the other of the case 112 and the lock member 161 is engaged with the engaging portions 181 and 186. First engaged portions 131, 132 and second engaged portions 133, 134 are provided. When the engaging portions 181, 186 and the first engaged portions 131, 132 engage with each other, the locking member 158 locks the locking member 161 and fixes the locking member 161 at the storage position. When the second engaged portions 133 and 134 are engaged with each other, the locking of the lock member 161 is released, and the lock member 161 moves to the projecting position by the elasticity of the elastic member 180.

The door stopper 111 is attached to the door D that opens and closes, and operates the operating member 141 to move the engaging portions 181 and 186 provided on one of the case 112 and the lock member 161 to the other of the case 112 and the lock member 161. When engaged with the provided first engaged portions 131 and 132, as shown in FIG. 16, the locking member 158 locks the lock member 161 and fixes the lock member 161 at the storage position. When the door stopper 111 rotates in the opening direction of the door D and is positioned above the metal stopper plate 3 rotatably provided on the floor surface, the metal stopper plate 3 is attracted by the magnet 121. It is possible to prevent the rotation of the door D in the opening direction A and prevent the door D from rotating in the closing direction B by engaging with the case 111.

The door stopper 111 operates the operating member 141 when the metal stopper plate 3 made of metal is engaged with the case 112 to engage the engaging portions 181, 186 provided on one of the case 112 and the lock member 161. Is engaged with the second engaged portions 133 and 134 provided on the other side of the case 112 and the lock member 161, as shown in FIG. 17, the engagement of the engagement member 158 with respect to the lock member 161 is released. The lock member 161 moves to the projecting position by the elasticity of the elastic member 180, and the tip 161A of the lock member 161 locks the stopper plate 3 made of metal. The lock member 161 and the metal stopper plate 3 are engaged with each other to prevent the door D from rotating in the closing direction, so that the opened state of the door D is maintained. By operating the operation member 141, the engaging portions 181 and 186 provided on one side of the case 112 and the lock member 161 are moved to the first engaged portions 131 and 132 provided on the other side of the case 112 and the lock member 161. 16, the lock member 161 moves to the storage position, the lock with the metal stopper plate 3 is released, and the door D can be closed.

As shown in FIG. 16, the door stopper 111 is formed so that the first engaged portions 131 and 132 engage with the engaging portions 181 and 186 urged by the elastic member 180. The lock member 161 is positioned at the storage position when the mating portions 181 and 186 are engaged. As shown in FIG. 17, the second engaged portions 133 and 134 are formed so as to engage the engaging portions 181 and 186 urged by the elastic member 180, and the engaging portions 181 and 186. When the lock member 161 is engaged, the lock member 161 is positioned at the projecting position and the engaging portions 181 and 186 are moved against the elasticity of the elastic member 180 so that the lock member 161 can be moved between the projecting position and the storage position. There is.

The door stopper 111 engages the engaging portions 181 and 186 provided on one side of the case 112 and the lock member 161, with the second engaged portions 133 and 134 provided on the other side of the case 112 and the lock member 161. Then, even when the lock member 161 is moved to the projecting position, the second engaged portions 133 and 134 are formed so as to movably engage the engaging portions 181 and 186, so that FIG. , 18, the lock member 161 (operation member 141) can be moved against the elasticity of the elastic member 180.

In the door stoppers 11 and 111, as shown in FIGS. 12D, 12E, and 18, the operation members 41 and 141 are locked to the tips 61A and 161A of the lock members 61 and 161 at the protruding position. The stopper plate 3 made of metal is moved in the anti-locking direction against the magnetic force of the magnet 21 to release the lock. Therefore, the operation members 41 and 141 have both an operation function of retracting the lock members 61 and 161, and a release function of pushing down the metal stopper plate 3 to release the locking.

When the door stoppers 11 and 111 are covers in which the operation members 41 and 141 are slidably attached to the cases 12 and 112, operability is improved, the number of parts is reduced, and a functional and inexpensive structure is provided. can do.

Further, Examples 1 and 2 of the door stoppers 11 and 111 will be described in detail.

As shown in FIG. 2, the door stopper 11 is attached to a door D that opens and closes. When the door D opens and closes and is positioned above the stopper device 1 provided on the floor, the metal stopper of the stopper device 1 is provided. The door 3 is locked by the plate 3 to regulate the opening and closing of the door D. As shown in FIG. 1, this stopper device 1 includes a base 2 fixed to the floor surface with screws, an adhesive, or the like, a metal stopper plate 3 rotatably attached to the base 2, and a base. The cover 4 covers the table 2. The stopper plate 3 is formed in a plate shape, and the locking opening 5 is formed in one side thereof. The stopper plate 3 is housed in a rectangular recess 6 formed in the cover 4, and a shaft 7 formed at the other end 3 a is rotatably attached to bearings 8 formed on the base 2. Has been.

As shown in FIG. 1, the door stopper 11 has a case 12 and a cover 41 slidably attached to the case 12. As shown in FIGS. 4 and 5, the case 12 is integrally molded of synthetic resin, and is located at a substantially central position on the rear wall 13 and the front wall of the rear wall 13 and at a center substantially perpendicular to the rear wall 13. And a wall 15. The center wall 15 is formed in a rectangular shape. On the left surface 15a of the center wall 15, a horizontal wall 16 that is substantially perpendicular to the back wall 13 is formed. Further, a magnet housing 17 that is substantially perpendicular to the back wall 13 is formed below the right surface 15b of the center wall 15. The magnet housing portion 17 is formed in a substantially rectangular shape, and a substantially rectangular parallelepiped magnet housing chamber 19 is formed inside. An opening 20 communicating with the magnet storage chamber 19 is formed in the back wall 13, and a rectangular parallelepiped magnet 21 can be stored in the magnet storage chamber 19 from the opening 20 as shown in FIG. 1.

The lower end 22 of the center wall 15 and the lower end 23 of the magnet housing 17 are substantially horizontally continuous and form a bottom wall 25 of the case 12. As shown in FIGS. 4 and 5, a lower portion 26 of the back wall 13 projects from the bottom wall 25 of the case 12, and this protruding portion (lower portion) 26 forms a locking projection. A guide path 28 is formed in the central wall 15 so as to penetrate therethrough in the vertical direction. Engagement pieces 29, 30 are formed on the left and right sides of the guide path 28 by cutting out the left and right side surfaces of the central wall 15. Engaging claws (engaging protrusions) 31 and 32 are formed on the outer sides of the upper portions of the engaging pieces 29 and 30, respectively. Locking step portions 33 and 34 are provided inside the lower portions of the engaging pieces 29 and 30.

A communication hole 35 is formed in the front-rear direction in a substantially central portion of the front surface of the central wall 15. The communication hole 35 is vertically elongated and communicates with the inside of the guide path 28 from the outside through the front surface of the central wall 15. Vertically long screw insertion holes 36 and 37 are formed on both upper sides of the rear wall 13. A cover plate 39 is provided on the upper end of the back wall 13. Substantially L-shaped step recesses 14 and 18 are formed on both sides of the back surface of the back wall 13.

Like the case 12, the cover 41 is made of a synthetic resin material, and as shown in FIGS. 6 and 7, a front plate 42, a left face plate 43 provided at a substantially right angle to the left end of the front plate 42, and a front plate 42. A right face plate 44 provided at the right end of the right face plate 44, a front face plate 42, a left face plate 43, and an upper face plate 45 provided at the upper ends of the right face plate 44. The upper surface plate 45 is thicker from the front surface (front portion) toward the rear surface (rear portion), and the upper surface 46 is inclined upward toward the rear surface (rear portion). A left engaging edge 47 is formed inward at the rear end edge of the left face plate 43, and a right engaging edge 48 is formed inward at the rear end edge of the right face plate 44. The left engagement edge 47 slidably engages with the left step recess 18 formed in the back wall 13 of the case 12. The right engaging edge 48 slidably engages with the right step recess 14 formed in the back wall 13 of the case 12.

A pair of guide walls 51 and 52 are formed on the rear surface of the front plate 42 and the lower surface of the upper plate 45. The distance between the pair of guide walls 51 and 52 is formed to be substantially the same as the width of the center wall 15 of the case 12, the left side guide wall 51 guides the left surface 15a of the center wall 15, and the right side guide wall 52 controls the center. The right side 15b of the wall 15 is guided. The left guide wall 51 and the right guide wall 52 are formed in a hollow shape, and the first engaging recesses 53 and 54 are formed substantially in the center on the inner surfaces facing each other, and the second engaging wall is formed on the upper side. Engagement recesses 55 and 56 are formed. The first engaging recesses 53, 54 are formed short, and the second engaging recesses 55, 56 are formed long.

The first engaging concave portion 53 and the second engaging concave portion 55 formed on the left guide wall 51 have an engaging claw (engaging convex portion) 31 formed on the left surface 15 a of the central wall 15 of the case 12. Engage. The first engaging concave portion 54 and the second engaging concave portion 56 formed on the right guide wall 52 have an engaging claw (engaging convex portion) 32 formed on the right surface 15 b of the central wall 15 of the case 12. Engage. The cover 41 is positioned on the case 12 when the first engagement recesses 53, 54 engage with the engagement claws (engagement protrusions) 31, 32 of the central wall 15. When the second engagement recesses 55, 56 are engaged with the engagement claws (engagement protrusions) 31, 32 of the central wall 15, the cover 41 has upper ends 55a, 56a in the second engagement recesses 55, 56. The engagement claws (engagement protrusions) 31 and 32 can move up and down within a range where the engagement claws (engagement protrusions) 31 and 32 come into contact with the lower ends 55b and 56b, and the cover 41 moves vertically to the case 12. Can be slid on.

The cover 41 is provided with an auxiliary member 49 having a U-shaped cross section on the lower left portion of the back surface of the front plate 42. When the cover 41 is attached to the case 12, the auxiliary member 49 contacts the front surface of the back wall 13 of the case 12 and maintains the positional relationship between the cover 41 and the case 12. A locking shaft 58 is formed between the pair of guide walls 51 and 52 in the approximate center of the rear surface of the front plate 42. The locking shaft 58 is inserted into the communication hole 35 of the central wall 15 of the case 12 and projects into the guide path 28. A lock member 61 is provided in the guide path 28 so as to be vertically slidable.

As shown in FIGS. 8 and 9, the lock member 61 includes a shaft portion 62 formed in a rectangular shaft shape and a spring shaft 63 formed at an upper end 64 of the shaft portion 62. The shaft portion 62 is formed of a front surface 65, a left surface 66, a right surface 67, and a rear surface 68. On the front surface 65, a guide groove 69 having a U-shaped cross section is formed to insert the locking shaft 58. A locking protrusion 71 is formed on the upper portion of the left surface 66, and a locking protrusion 72 is also formed on the upper portion of the right surface 67. In the lock member 61, the locking projection 71 formed on the left surface 66 is locked by the locking step portion 33 in the guide path 28 of the case 12, and the locking projection 72 formed on the right surface 67 is locked by the guide path 28. It is locked by the inner locking step portion 34 and its downward movement is restricted. Further, the lock member 61 has a locking recess 73 formed in the lower portion of the rear surface 68, and a taper surface 75 that is inclined downward toward the rear surface 68 is provided in the lower portion of the front surface 65.

In the lock member 61, as shown in FIG. 3, a spring member 80 is provided on a spring shaft 63. The spring member 80 has an upper end abutting on the inner surface of the upper surface plate 45 of the cover 41 and a lower end abutting on the upper end 64 of the shaft portion 62, and biases the lock member 61 downward.

The door stopper 11 has the above structure and is attached to the door D as follows. The magnet 21 is stored in the magnet storage chamber 19 of the case 12 through the opening 20. The back wall 13 of the case 12 is brought into contact with a predetermined position of the door D, and screws (not shown) are inserted into the screw insertion holes 36 and 37 and screwed into the door D to fix the case 12 to the door D. The lock member 61 is inserted into the guide path 28 of the case 12 with the front surface 65 facing forward. In the lock member 61, the locking projection 71 formed on the left surface 66 is locked to the locking step portion 33 in the guide path 28, and the locking projection 72 formed on the right surface 67 is locked in the guide path 28. It is locked to the stop portion 34. The spring member 80 is attached to the spring shaft 63 of the lock member 61.

The cover 41 is attached to the case 12. The cover 41 has a left engagement edge 47 slidably engaged with a left step recess 18 formed in the back wall 13 of the case 12, and a right engagement edge 48 has a right step recess 14 formed in the back wall 13. It is slidably engaged with and is attached to the case 12 so as to be vertically movable. In the cover 41, the first engagement recesses 53, 54 or the second engagement recesses 55, 56 engage with the engagement claws (engagement protrusions) 31, 32 of the central wall 15. The locking shaft 58 formed on the cover 41 is inserted into the communication hole 35 of the central wall 15 of the case 12 to project into the guide path 28, and the tip of the locking shaft 58 is inserted into the guide groove 69 of the lock member 61. .. The spring member 80 has an upper end abutting on the inner surface of the upper surface plate 45 of the cover 41 and a lower end abutting on the upper end 64 of the shaft portion 62, and biases the lock member 61 downward. In this way, the door stopper 11 is attached to the door D.

The door stopper 11 can be selected from three types of locking forms. As the first locking mode, as shown in FIG. 10A, the cover 41 is pulled up to move the first locking recesses 53 and 54 into the engagement claws (engagement projections) 31 of the case 12. Engage 32. The locking shaft 58 of the cover 41 engages with the upper end 69a of the guide groove 69 of the lock member 61 to pull up the lock member 61. The lower end 61A of the lock member 61 is recessed from the bottom wall 25 of the case 12.

As shown in FIG. 10A, when the door D is opened and the case 12 is located above the stopper device 1, as shown in FIG. 10B, the magnetic force of the magnets 21 in the case 12 causes the metal stopper to move. The plate 3 is pulled up, and the tip 3b of the stopper plate 3 comes into contact with the bottom wall 25 of the case 12. Since the tip 61A of the lock member 61 does not protrude from the bottom wall 25, the tip 3b of the stopper plate 3 slides along the bottom surface 25. When the tip 3b of the stopper plate 3 comes into contact with the locking projection 26, the rotation of the door D is blocked and it cannot be opened any further. As shown in FIG. 10( b ), the door D is prevented from rotating in the opening direction A by the stopper plate 3, but is prevented from rotating in the closing direction B as shown in FIG. 10( c ). Since it is not blocked by the plate 3, it can be closed.

As a second locking mode, as shown in FIG. 11A, the cover 41 is pulled up to move the first locking recesses 53 and 54 into the engagement claws (engagement projections) 31 of the case 12. 32, the locking shaft 58 of the cover 41 is engaged with the upper end 69a of the guide groove 69 of the lock member 61 to pull up the lock member 61, and the lock member 61 is stored in the guide path 28. .. This state is the same as the first locking mode.

As shown in FIG. 11A, when the door D is opened and the case 12 is positioned above the stopper device 1, as shown in FIG. 11B, the magnetic force of the magnet 21 inside the case 12 causes the stopper made of metal. The plate 3 is pulled up, and the tip 3b of the stopper plate 3 comes into contact with the bottom wall 25 of the case 12. Since the front end 61A of the lock member 61 does not project from the bottom wall 25, when the front end 3b of the stopper plate 3 slides along the bottom surface 25 and comes into contact with the locking projection 26, the rotation of the door D is prevented and further Never open.

As shown in FIG. 11C, when the cover 41 is pushed down, the second locking recesses 53 and 54 engage with the engaging claws (engaging protrusions) 31 and 32 of the case 12. Since the locking shaft 58 of the cover 41 separates from the upper end 69a of the guide groove 69, the lock member 61 can move downward. The lock member 61 is moved downward by the spring member 80 provided between the upper surface plate 45 of the cover member 41 and the upper end 64 of the lock member 61, and the tip end 61A of the lock member 61 projects from the bottom surface 25 of the case 12. In the lock member 61, the locking protrusions 71 and 72 are pressed and locked to the locking step portions 33 and 34 in the guide path 28, and the protruding state of the tip end 61A is maintained. In the cover member 41, the lower ends 55b and 56b of the second locking recesses 55 and 56 are pressed and engaged with the engaging claws (engaging protrusions) 31 and 32 of the case 12 by the spring member 80.

When the tip 61A of the lock member 61 projects from the bottom surface 25, the tip 61A of the lock member 61 contacts the locking projection 26 and is inserted into the locking opening 5 of the metal stopper plate 3 that is positioned. The tip 3b of the stopper plate 3 contacts the bottom wall 25 of the case 12, and is located between the tip 61A of the lock member 61 and the locking projection 26. When attempting to close the door D, the edge 5a of the locking opening 5 of the stopper plate 3 locks in the locking recess 73 of the lock member 61, and therefore the door D cannot be closed. As described above, in the second locking mode, the locking projection 26 and the lock member 61 can completely prevent the door D from rotating in the opening/closing direction.

As shown in FIG. 11D, the cover 41 is pulled up to engage the first locking recesses 53 and 54 with the engaging claws (engaging protrusions) 31 and 32 of the case 12. The locking shaft 58 of the cover 41 engages with the upper end 69a of the guide groove 69 of the lock member 61 to pull up the lock member 61. The lower end 61A of the lock member 61 is recessed from the bottom wall 25 of the case 12. As shown in FIG. 11( e ), since the lower end 61 A of the lock member 61 does not project from the bottom wall 25 of the case 12, the stopper plate 3 is not locked by the lock member 61, and the door D is closed. The rotation to B is no longer blocked by the stopper plate 3, and the door D can be closed.

As the third locking mode, as shown in FIG. 12A, the cover 41 is pushed down. When the cover 41 is pushed downward, the second locking recesses 53, 54 engage with the engaging claws (engaging protrusions) 31, 32 of the case 12. Since the locking shaft 58 of the cover 41 separates from the upper end 69a of the guide groove 69, the lock member 61 can move downward. The lock member 61 is moved downward by the spring member 80 provided between the upper surface plate 45 of the cover member 41 and the upper end 64 of the lock member 61, and the tip end 61A of the lock member 61 projects from the bottom surface 25 of the case 12. In the lock member 61, the locking protrusions 71 and 72 are pressed and locked to the locking step portions 33 and 34 in the guide path 28, and the protruding state of the tip end 61A is maintained. The cover 41 has upper and lower engagement claws (engagement protrusions) 31 and 32 in a range in which the engagement claws 31 and 32 contact the upper ends 55a and 56a and the lower ends 55b and 56b in the second engagement recesses 55 and 56, respectively. The cover 41 is movable in the vertical direction. In the cover member 41, the lower ends 55b and 56b of the second locking recesses 55 and 56 are pressed and engaged with the engaging claws 31 and 32 (engaging protrusions) of the case 12 by the spring member 80.

When the door D is opened and the door stopper 11 is located above the stopper device 1, the metal stopper plate 3 is pulled up by the magnetic force of the magnet 21 in the case 12, and the stopper plate 3 is pulled up as shown in FIG. The tip 3b of the abuts on the bottom wall 25 of the case 12. Since the taper surface 75 is formed on the front portion of the tip 61A of the lock member 61 projecting from the bottom wall 25, the tip 3b of the stopper plate 3 contacts the taper surface 75. The lock member 61 is pushed up against the elasticity of the spring member 80, and when the tip 3b of the stopper plate 3 passes through the lower position of the lock member 61, as shown in FIG. It projects and is inserted into the locking opening 5. When the stopper plate 3 cannot push up the lock member 61 due to the elasticity of the spring member 80, the tip 3b of the metal stopper plate 3 is brought into sliding contact with the tapered surface 75 of the lock member 61 and the tip 61A of the lock member 61 is fixed. get over. The front end 61A of the lock member 61 is inserted into the locking opening 5 of the metal stopper plate 3, and the front end 3b of the metal stopper plate 3 is inserted into the bottom wall 25 between the front end 61A of the lock member 61 and the locking projection 26. Abut.

Further, even if the door D is to be opened, the door 3 cannot be opened because the tip 3b of the stopper plate 3 is locked by the locking projection 26 of the case 12. On the contrary, when the door D is to be closed, the edge 5a of the locking opening 5 of the stopper plate 3 is locked in the locking recess 73 of the lock member 61, so that the door D cannot be closed. As described above, in the third locking mode, the tip 3b of the stopper plate 3 is sandwiched between the locking projection 26 and the tip 61A of the lock member 61, and the door D is held in an open state. It is possible to completely prevent rotation in the opening/closing direction.

The cover 41 can move up and down within a range in which the upper ends 55a and 56a and the lower ends 55b and 56b in the second engagement recesses 55 and 56 are in contact with the engagement claws (engagement protrusions) 31 and 32, respectively. The cover 41 is positioned by the elasticity of the spring member 80 such that the engagement claws (engagement protrusions) 31 and 32 contact the lower ends 55b and 56b in the second engagement recesses 55 and 56, respectively. The cover 41 can be pushed down against the elasticity of the spring member 80 until the engagement claws (engagement protrusions) 31, 32 come into contact with the upper ends 55a, 56a in the second engagement recesses 55, 56. ..

When closing the door D, as shown in FIG. 12D, if the cover 41 is pushed down against the elasticity of the spring member 80, the lower end of the cover 41, that is, the front plate 42, the left face plate 43, and the right face plate 44, is removed. The lower ends 42a, 43a, 44a push down (move downward) the tip 3b of the metal stopper plate 3 against the magnetic force of the magnet 21. The tip 61A of the lock member 61 projects from the bottom wall 25, and the stopper plate 3 remains locked, but the stopper edge 5a of the stopper plate 3 is pushed down to a position where it is not locked in the lock recess 73 of the lock member 61. Thus, the locking of the stopper plate 3 with respect to the lock member 61 is released, and the door D can be closed.

As shown in FIG. 12E, the edge 5a of the locking opening 5 of the stopper plate 3 is not locked in the locking recess 73 of the lock member 61, so that the door D can be closed. When the pushing down of the cover 41 is released, the cover 41 causes the engagement claws (engagement protrusions) 31 and 32 to contact the lower ends 55b and 56b in the second engagement recesses 55 and 56 due to the elasticity of the spring member 80. Return to position. In this way, the door D is held in the open state by the stopper device 1, and in order to release this holding, it is sufficient to push down the cover 41, and the user stands up without bending the legs and bending the waist. It can be easily done by just stepping on your feet.

As shown in FIG. 2, the door stopper 111 is attached to a door D that opens and closes. When the door D opens and closes and is positioned above the stopper device 1 provided on the floor, the metal stopper of the stopper device 1 is provided. The door 3 is locked by the plate 3 to regulate the opening and closing of the door D. The stopper device 1 is as described above.

As shown in FIG. 13, the door stopper 111 has a case 112 and a cover 141 slidably attached to the case 112. The case 112 is integrally molded of synthetic resin, and has a back wall 113 and a central wall 115 that is located at a substantially central position on the front side of the back wall 113 and that is provided at a substantially right angle to the back wall 113. The central wall 115 is formed in a rectangular shape. On the left surface 115a of the central wall 115, a horizontal wall 116 that is substantially perpendicular to the back wall 113 is formed. Further, a magnet housing 117 that is substantially perpendicular to the back wall 113 is formed below the right surface 115b of the center wall 115. The magnet housing 117 is formed in a substantially rectangular shape, and a substantially rectangular parallelepiped magnet housing chamber 119 is formed inside. An opening communicating with the magnet storage chamber 119 is formed in the rear wall 113, and the rectangular parallelepiped magnet 121 can be stored in the magnet storage chamber 119 through the opening.

The lower end 122 of the center wall 115 and the lower end 123 of the magnet housing 117 are substantially horizontally continuous and form a bottom wall 125 of the case 112. As shown in FIG. 15, a lower portion 126 of the back wall 113 projects from the bottom wall 125 of the case 112, and this projecting portion (lower portion) 26 forms a locking projection. A guide path 128 is formed in the central wall 115 so as to penetrate therethrough in the vertical direction. A communication hole 135 is formed in the front-rear direction in a substantially middle portion of the front surface of the central wall 115. The communication hole 135 is vertically long and vertically long, and penetrates the front surface of the central wall 115 from the outside to communicate with the inside of the guide path 128. Vertically long screw insertion holes 136 and 137 are formed on both upper sides of the rear wall 113. A cover plate 139 is provided on the upper end of the rear wall 113. Substantially L-shaped step recesses 114, 114 are formed on both sides of the back surface of the back wall 113.

Like the case 112, the cover 141 is made of a synthetic resin material, and as shown in FIGS. 13 and 15, a front plate 142, a left face plate 143 provided at a substantially right angle to the left end of the front plate 142, and the front plate 142. A right face plate 144 provided at a right angle to the right end of the front face plate 142, a left face plate 143, and a top face plate 145 provided at the upper ends of the right face plate 144. The thickness of the upper surface plate 45 increases from the front surface (front portion) toward the rear surface (rear portion), and the upper surface 146 is inclined upward toward the rear surface (rear portion). A locking shaft 158 is formed substantially in the center of the back surface of the front plate 142. The locking shaft 158 is inserted into the communication hole 135 of the central wall 115 of the case 112 and projects into the guide path 128. A left engaging edge 147 is formed inward at the rear end edge of the left face plate 143, and a right engaging edge 148 is formed inward at the rear end edge of the right face plate 144. The left engagement edge 147 slidably engages with the left step recess 114 formed in the back wall 113 of the case 112. The right engaging edge 148 slidably engages with the right step recess 114 formed in the back wall 113 of the case 112.

A lock member 161 is provided in the guide path 128 so as to be vertically slidable. As shown in FIGS. 13 to 15, the lock member 161 includes a shaft portion 162 formed in a rectangular shaft shape and a spring shaft 163 formed at an upper end 164 of the shaft portion 162. The shaft portion 162 is formed of a front surface 165, a left surface 166, a right surface 167, and a rear surface 168. A guide groove 169 having a U-shaped cross section is formed in the front surface 165 so as to insert the locking shaft 158 described later. Further, the engaging portion 181 is formed on the upper portion of the left surface 166, and the engaging portion 186 is also formed on the upper portion of the right surface 167. The engaging portion 181 includes an engaging convex portion 182 protruding from the left surface 166, an engaging piece 183 provided at the tip of the engaging convex portion 182, and an engaging piece formed at the upper end of the engaging piece 183. And the nail 184. Further, the engagement portion 186 is formed at the engagement convex portion 187 formed to project from the right surface 167, the engagement piece 188 provided at the tip of the engagement convex portion 187, and the upper end of the engagement piece 188. The engaging claw 189. Further, the lock member 161 has a locking recess 173 formed in the lower portion of the rear surface 168, and a taper surface 175 that is inclined downward toward the rear surface 168 is provided in the lower portion of the front surface 165.

The guide path 128 is formed in a rectangular hole shape that guides the shaft portion 162 of the lock member 161 in the vertical direction. Guide recesses 129 and 130 for slidably guiding the engaging portions 181 and 186 of the lock member 161 are formed on the left and right side surfaces of the guide path 128. Engagement protrusions 131 and 132 are formed inside the upper portions of the guide recesses 129 and 130. Engaging step portions 133 and 134 are provided inside the lower portions of the guide recesses 129 and 130.

In the lock member 161, the shaft portion 162 is slidably guided in the guide path 128, the left engagement portion 181 is slidably engaged with the guide recess 129, and the right engagement portion 186 is guided. Slidingly engages the recess 130. The lock member 161 is positioned when the engaging claws 184 and 189 engage with the engaging protrusions 131 and 132, and when the engaging claws 184 and 189 move over the engaging protrusions 131 and 132 and move downward. The mating convex portions 182 and 187 engage with the engagement step portions 133 and 134 and are positioned. Thus, in the lock member 161, the engaging portion 181 formed on the left surface 166 is engaged with the engaging step portion 133 in the guide path 128 of the case 112, and the engaging portion 186 formed on the right surface 167 is formed. The downward movement is restricted by being engaged with the engaging step portion 134 in the guide path 128.

In the lock member 161, a spring member 180 is provided on a spring shaft 163, as shown in FIG. The spring member 180 has an upper end abutting on the inner surface of the upper plate 145 of the cover 141 and a lower end abutting on the upper end 164 of the shaft portion 162, and urges the lock member 161 downward.

The door stopper 111 has the above configuration and is attached to the door D as follows. The magnet 121 is stored in the magnet storage chamber 119 of the case 112 through the opening. The back wall 113 of the case 112 is brought into contact with a predetermined position of the door D, screws (not shown) are inserted into the screw insertion holes 136 and 137 and screwed into the door D to fix the case 112 to the door D. The shaft portion 162 of the lock member 161 is inserted into the guide path 128 of the case 112 with the front surface 165 facing forward. In the lock member 161, the engagement portion 181 formed on the left surface 166 is guided by the guide recess 129, the engagement portion 186 formed on the right surface 167 is guided by the guide recess 130, and the engagement claw 184 is engaged by the engagement projection 131. , And the engaging claw 189 engages with the engaging protrusion 132. The spring member 180 is attached to the spring shaft 163 of the lock member 161.

The cover 141 is attached to the case 112. The cover 141 slidably engages a left step edge 114 formed in the rear wall 113 of the case 112 with a left engaging edge 147 and a right step step in which the right engaging edge 48 is formed in the rear wall 113. It is slidably engaged with the recess 114 and attached to the case 112 so as to be vertically movable. The locking shaft 158 formed on the cover 141 is inserted into the communication hole 135 of the central wall 115 of the case 112 to project into the guide path 128, and the tip of the locking shaft 158 is inserted into the guide groove 169 of the lock member 161. .. The spring member 180 has an upper end abutting on the inner surface of the top plate 145 of the cover 141 and a lower end abutting on the upper end 164 of the shaft portion 162, and urges the lock member 161 downward. Therefore, the engagement claw 184 of the lock member 161 is brought into pressure contact engagement with the engagement protrusion 131, and the engagement claw 189 is brought into pressure contact engagement with the engagement protrusion 132. In this way, the door stopper 111 is attached to the door D.

The door stopper 111 can be selected from three types of locking forms. As the first locking mode, as shown in FIG. 16A, the engagement claw 184 of the lock member 161 is brought into pressure contact engagement with the engagement projection 131, and the engagement claw 189 is brought into pressure contact engagement with the engagement projection 132. Leave it in the state where it was made. The cover 141 is in a state of being pulled up. As shown in FIG. 16B, the locking shaft 158 of the cover 141 is engaged with the upper end 169a of the guide groove 169 of the lock member 161, and the lock member 161 is pulled up. The lower end 161A of the lock member 161 is recessed from the bottom wall 25 of the case 112.

When the door D is opened and the case 112 is located above the stopper device 1, the magnetic stopper plate 3 is pulled up by the magnetic force of the magnet 121 in the case 112, and the tip 3b of the stopper plate 3 is brought to the bottom wall 125 of the case 112. Abut. Since the tip 161A of the lock member 161 does not project from the bottom wall 125, the tip 3b of the stopper plate 3 slides along the bottom wall 125. When the tip 3b of the stopper plate 3 comes into contact with the locking projection 126, the rotation of the door D is blocked and it cannot be opened any further. The door D can be closed because its rotation in the opening direction is blocked by the stopper plate 3 but its rotation in the closing direction is not blocked by the stopper plate 3.

As a second locking mode, as shown in FIG. 16A, the engaging claw 184 of the lock member 161 is brought into pressure contact with the engaging protrusion 131, and the engaging claw 189 is brought into pressure contact with the engaging protrusion 132. Then, the cover 141 is pulled upward and the lock member 61 is stored in the guide path 28. This state is the same as the first locking mode. When the door D is opened and the case 112 is located above the stopper device 1, the magnetic stopper plate 3 is pulled up by the magnetic force of the magnet 121 in the case 112, and the tip 3b of the stopper plate 3 is brought to the bottom wall 125 of the case 112. Abut. Since the tip 161A of the lock member 161 does not project from the bottom wall 125, when the tip 3b of the stopper plate 3 slides along the bottom wall 125 and comes into contact with the locking projection 126, the rotation of the door D is blocked, and No more opening.

In this state, as shown in FIG. 17, when the cover 141 is pushed downward, the locking shaft 158 of the cover 141 is disengaged from the upper end 169a of the guide groove 169 of the locking member 161, and the elasticity of the elastic member 180 causes the locking member 168 to move. 161 is pressed downward. The engagement pieces 183 and 188 bend inward against the elasticity of the material, the engagement claws 184 and 189 of the lock member 161 disengage from the engagement protrusions 131 and 132, and get over, and the lock member 161 moves downward, The engagement protrusions 182 and 187 of the lock member 161 engage with the engagement step portions 133 and 134, and the tip 161A of the lock member 161 projects from the bottom wall 125 of the case 112. In the lock member 161, the engagement protrusions 182 and 187 are pressed and locked to the engagement step portions 133 and 134 of the guide path 128, and the protruding state of the tip 161A is maintained.

When the tip 161A of the lock member 161 protrudes from the bottom wall 125, the tip 161A is inserted into the locking opening 5 of the metal stopper plate 3 positioned in contact with the locking projection 126. The tip 3b of the stopper plate 3 abuts on the bottom wall 125 of the case 112, and is located between the tip 161A of the lock member 161 and the locking projection 126. When attempting to close the door D, the edge 5a of the locking opening 5 of the stopper plate 3 locks in the locking recess 173 of the lock member 161, so the door D cannot be closed. Thus, in the second locking mode, the locking projection 126 and the lock member 161 can completely prevent the door D from rotating in the opening/closing direction.

As shown in FIG. 16, when the cover 141 is pulled upward, the locking shaft 158 of the cover 141 engages with the upper end 69a of the guide groove 169 of the lock member 161, and moves the lock member 161 upward. The engaging claw 184 of the lock member 161 press-engages with the engaging protrusion 131, and the engaging claw 189 press-engages with the engaging protrusion 132. The lower end 161A of the lock member 161 is recessed from the bottom wall 125 of the case 112. Since the lower end 161A of the lock member 161 does not project from the bottom wall 125 of the case 112, the stopper plate 3 is not locked by the lock member 161, and rotation of the door D in the closing direction is blocked by the stopper plate 3. And the door D can be closed.

As a third locking mode, as shown in FIG. 17, the cover 141 is pushed down. When the cover 141 is pushed downward, the locking shaft 158 of the cover 141 is disengaged from the upper end 169a of the guide groove 169 of the lock member 161, and the elasticity of the elastic member 180 pushes the lock member 161 downward, so that the lock member 161 moves downward. Move to. The engagement protrusions 182 and 187 of the lock member 161 engage with the engagement step portions 133 and 134, and the tip 161A of the lock member 161 projects from the bottom wall 125 of the case 112. In the lock member 161, the engagement protrusions 182 and 187 are pressed and locked to the engagement step portions 133 and 134 of the guide path 128, and the protruding state of the tip 161A is maintained.

When the door D is opened and the door stopper 111 is located above the stopper device 1, the metal stopper plate 3 is pulled up by the magnetic force of the magnet 121 in the case 112, and the tip 3b of the stopper plate 3 is fixed to the bottom wall 125 of the case 112. Abut. Since the tapered surface 175 is formed on the front portion of the tip 161A of the lock member 161 protruding from the bottom wall 125, the tip 3b of the stopper plate 3 contacts the tapered surface 175. The lock member 161 is pushed up against the elasticity of the spring member 180, and when the tip 3b of the stopper plate 3 passes the lower position of the lock member 161, the lock member 161 projects due to the elasticity of the spring member 180 and is inserted into the locking opening 5. .. When the stopper plate 3 cannot push up the lock member 161 due to the elasticity of the spring member 180, the tip 3b of the metal stopper plate 3 is brought into sliding contact with the tapered surface 175 of the lock member 161, and the tip 161A of the lock member 161 is fixed. get over. The tip 161A of the lock member 161 is inserted into the locking opening 5 of the stopper plate 3 made of metal, and the tip 3b of the stopper plate 3 made of metal is inserted into the bottom wall 125 between the tip 161A of the lock member 161 and the locking projection 126. Abut.

Even if the door D is to be opened, the door 3 cannot be opened because the tip 3b of the stopper plate 3 is locked by the locking projection 126 of the case 112. On the contrary, when the door D is to be closed, the edge 5a of the locking opening 5 of the stopper plate 3 is locked in the locking recess 173 of the lock member 161, so that the door D cannot be closed. As described above, in the third locking mode, the tip 3b of the stopper plate 3 is sandwiched between the locking projection 126 and the tip 161A of the lock member 161, and the door D is held in an open state, and the door D It is possible to completely prevent rotation in the opening/closing direction.

When the cover 141 is pushed down against the elasticity of the spring member 180, the lower ends of the cover 141, that is, the lower ends 142a, 143a, 144a of the front plate 142, the left face plate 143, and the right face plate 144 are the tips of the stopper plate 3 made of metal. 3b is pushed down against the magnetic force of the magnet 121 (moved downward). The tip 161A of the lock member 161 protrudes from the bottom wall 125, and the stopper plate 3 remains locked, but the edge 5a of the lock opening 5 of the stopper plate 3 is not locked in the lock recess 173 of the lock member 161. When pushed down to the position, the stopper plate 3 is unlocked from the lock member 161 and the door D can be closed. When the pushing down of the cover 141 is released, the cover 141 returns to the original position due to the elasticity of the spring member 180. In this way, the door D is held in the open state by the stopper device 1, and in order to release this holding, it suffices to push down the cover 141, and do not bend the legs forcibly and stand up without bending the waist. You can easily do it just by stepping on your feet.

Although the embodiment of the present invention has been described in detail above with reference to the drawings, the specific configuration is not limited to this embodiment, and any design change that does not depart from the gist of the present invention is not limited to the present invention. included.

INDUSTRIAL APPLICABILITY The present invention can be used as a door stopper that is attached to a predetermined position of a door and, when the door is opened, is locked by a metal stopper plate provided on the floor surface to regulate the opening and closing of the door.

D door, 1 stopper device, 3 stopper plate, 3b tip, 5 locking opening, 11 door stopper, 12 case, 19 magnet storage chamber, 21 magnet, 25 bottom wall, 26 lower part (one side, locking projection), 31 engaging claws (engaging parts, engaging convex parts), 32 engaging claws (engaging parts, engaging convex parts), 33 locking step parts, 34 locking step parts, 41 covers (operating members), 51 Guide wall, 52 Guide wall, 53 First engaging concave portion (first engaged portion), 54 First engaging concave portion (first engaged portion), 55 Second engaging concave portion (first 2 engaged portion), 56 2nd engaging recessed portion (2nd engaged portion), 58 locking shaft (locking member), 61 locking member, 61A tip, 69 guide groove, 69a upper end (one Side), 71 locking protrusion, 72 locking protrusion, 80 spring member, 111 door stopper, 112 case, 119 magnet storage chamber, 121 magnet, 125 bottom wall, 126 lower part (one side, locking projection), 131 engagement Mating protrusion (first engaged portion), 132 Engaging protrusion (first engaged portion), 133 Engaging step portion (second engaged portion), 134 Engaging step portion (second Engaged part), 141 cover (operating member), 158 locking shaft (locking member), 161 locking member, 161A tip, 169 guide groove, 169a upper end (one side), 180 spring member (elastic member), 181 Engagement part, 182 Engagement protrusion, 183 Engagement piece, 184 Engagement claw, 186 Engagement part, 187 Engagement protrusion, 188 Engagement piece, 189 Engagement claw

Claims (7)

Attached to the opening and closing doors, the door is opened and closed, when located above the metal stopper plate rotatably mounted to the floor, engage the metal of the stopper plate attracted by the magnet, a doorstop that prevents the opening and closing of the door,
A case attached to the door,
Provided in the casing, said magnet attracts the metal of the stopper plate is brought into contact with one side of the case, to regulate the opening and closing of the door,
A storage position the tip is housed in the case, the tip is provided so as to be movable in the projecting position projecting from the casing, a lock member for locking the metal of the stopper plate at the protruding position,
An operating member provided movably in said case,
A locking member that is provided on the operation member and locks one side of the lock member;
Wherein arranged between the locking member and the operating member consists of a resilient member for urging in a direction to protrude the tip of the locking member,
While the engaging portion is provided in the case and the operation member or said case and said locking member, the other of said case and said operating member or said case and said locking member first engages with the engaging portion 1 and a second engaged portion is provided,
The locking member, when the first engaged portion and the engaging portion are engaged, said fixed in a retracted position engaged with said locking member, said second to-be engaged with the engagement portion When engaging portion is engaged to release the engagement of said locking member, said locking member is moved to the protruding position by the elasticity of the elastic member,
The operation member is configured to release the lock by moving the metal stopper plate locked to the tip of the lock member at the protruding position in the anti-locking direction against the magnetic force of the magnet. A door stopper characterized by that. The engaging portion is formed in a convex shape,
The first engaged portion and the second engaged portion is formed in a concave shape,
The first engaged portion is formed so as to engage immovably said engaging portion, said locking member positioned in the storage position when the engagement of the engaging portion,
The second engaged portion, the engagement portion formed to engage movably, said locking member during engagement of the engaging portion can be moved in a range of the stored position and the protruding position The door stopper according to claim 1, wherein the door stopper is configured as described above. The first engaged portion is formed so as to engage the engagement portion biased by said elastic member, said locking member positioned in the storage position when the engagement of the engaging portion,
The second engaged portion is formed so as to engage the engagement portion biased by said elastic member, said locking member positioned in the projecting position when engagement of the engagement portion, doorstop according to claim 1, characterized in that the said locking member is moved against the engaging portion to the elasticity of the elastic member to move in a range of the stored position and the protruding position. Attached to a door that opens and closes, the door opens and closes, and when positioned above a metal stopper plate rotatably provided on the floor surface, the metal stopper plate is attracted and engaged by a magnet, A door stopper for preventing opening and closing of the door,
A case attached to the door,
The magnet provided on the case, pulling the stopper plate made of metal to abut one side of the case, and restricting the opening and closing of the door;
A housing position in which the tip is housed in the case, a lock member that is movably provided in a projecting position in which the tip projects from the case, and that locks the metal stopper plate at the projecting position,
An operation member movably provided in the case,
A locking member that is provided on the operation member and locks one side of the lock member;
The elastic member is disposed between the lock member and the operation member, and biases the lock member in a direction in which the tip projects.
An engaging portion is provided on one of the case and the operating member or the case and the locking member, and the other of the case and the operating member or the case and the locking member engages with the engaging portion. A first engaged portion and a second engaged portion,
The locking member locks the locking member and fixes the locking member at the storage position when the engaging portion and the first engaged portion engage with each other, and the engaging portion and the second engaged portion. When the mating portion is engaged, the locking of the lock member is released, and the lock member moves to the projecting position by the elasticity of the elastic member,
The engaging portion is formed in a convex shape,
The first engaged portion and the second engaged portion are formed in a concave shape,
The first engaged portion is formed to immovably engage the engaging portion, and positions the lock member at the storage position when the engaging portion is engaged,
The second engaged portion is formed so as to movably engage the engaging portion, and when the engaging portion is engaged, the lock member can be moved between the projecting position and the storage position. Door stopper characterized by doing so. The operation member is a door stopper according to any one of claims 1 to 4, characterized in that the said case is a cover slidably mounted. Attached to a door that opens and closes, the door opens and closes, and when positioned above a metal stopper plate rotatably provided on the floor surface, the metal stopper plate is attracted and engaged by a magnet, A door stopper for preventing opening and closing of the door,
A case attached to the door,
The magnet provided on the case, pulling the stopper plate made of metal to abut one side of the case, and restricting the opening and closing of the door;
A housing position in which the tip is housed in the case, a lock member that is movably provided in a projecting position in which the tip projects from the case, and that locks the metal stopper plate at the projecting position,
An operation member movably provided in the case,
A locking member that is provided on the operation member and locks one side of the lock member;
The elastic member is disposed between the lock member and the operation member, and biases the lock member in a direction in which the tip projects.
An engaging portion is provided on one of the case and the operating member or the case and the locking member, and the other of the case and the operating member or the case and the locking member engages with the engaging portion. A first engaged portion and a second engaged portion,
The locking member locks the locking member and fixes the locking member at the storage position when the engaging portion and the first engaged portion engage with each other, and the engaging portion and the second engaged portion. When the mating portion is engaged, the locking of the lock member is released, and the lock member moves to the projecting position by the elasticity of the elastic member,
The door stopper, wherein the operation member is a cover slidably attached to the case. The first engaged portion is formed to engage the engaging portion biased by the elastic member, and positions the lock member at the storage position when the engaging portion engages,
The second engaged portion is formed so as to engage the engaging portion biased by the elastic member, and positions the lock member at the protruding position when the engaging portion engages, 7. The door stopper according to claim 6, wherein the engagement member is moved against the elasticity of the elastic member so that the lock member can be moved between the protruding position and the storage position.