JPH074746U - Magnetic catcher for opening and closing the door - Google Patents

Abstract

(57) [Abstract] [Purpose] When the slider is released from the case and protrudes to the maximum extent, the suction surface of the slider tip becomes inclined with respect to the slider tip surface.
It is possible to provide a door catching magnet catcher having a simple structure and at a low cost, which has a mechanism for easily removing an object to be attracted to the slider. [Structure] In a case 1 having one end opened, a slider 2 slidable in and out of the case 1 and biased outwardly.
A locking mechanism 7 is provided between the two, which is locked and fixed when the slider 2 is pushed into the case 1, and is unlocked when the slider 2 is pushed again.
The magnetized body 18 is positioned in the interior opening 19 opened on the slide tip side, and the plate-shaped yokes 20 are overlapped with the magnetized body 18 sandwiched therebetween, and the attraction surface 21 at the tip is directed toward the slide tip side. The suction surface side is provided so as to be able to swing to both sides, the guide portion 31 that guides the end portion of the proper position of the yoke 20 in the swing direction is provided inside the case 1, and the yoke 20 is inclined with the slider 2 protruding outward. It is characterized by being held in a state.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 According to the present invention, when the slider is unlocked from the case and protrudes to the maximum extent, the adsorption surface of this slider is inclined with respect to the slider tip surface, and the object to be adsorbed by this slider is The present invention relates to a door open / close magnet catcher that has a mechanism that allows easy removal.

[0002]

[Prior art]

 When the slider is released from the case by releasing its locked state and protrudes, the suction surface of the slider's suction part gradually becomes inclined with respect to the slider tip surface, and then this suction part is completely removed from the slider tip surface. The magnet catcher for opening and closing the door, which is easily installed in the inside of the door and can easily remove the object to be adsorbed to the adsorbed portion, is, for example, It is disclosed in Japanese Patent No. 11570. This door open / close magnet catcher has a yoke that is superposed on both sides of a magnetized body such as a permanent magnet on the slide tip side of a slider that is slidable in and out of a case with one end open and biased outward. Of the slider, the support shaft with the suction part with the inclined surface along the slide direction of the slider is set up at the end on the back side so that the width opposite to the suction surface becomes narrower than that of the suction surface. The above operation is made possible by inserting a long hole inclined with respect to the slide direction and looking into a groove inclined in a direction intersecting with the long hole of the case.

[0003]

[Problems to be solved by the device]

 However, such a door catching magnet catcher is troublesome because it is necessary to perform processing such as providing an inclined surface on a magnetized body such as a permanent magnet, which is fragile and difficult to process. Since the support shaft is designed to be guided at the intersection of the slot provided in the slider and the groove provided in the case, the structure is complicated and there is a problem in machining and assembly.

Therefore, according to the present invention, when the slider is released from the case and is protruded to the maximum extent, the suction surface of the slider tip is inclined with respect to the slider tip surface, and It is an object of the present invention to provide a magnet catcher for opening and closing a door, which has a mechanism capable of easily detaching an attracted object to be attracted, with a simple structure and at low cost.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, a slider that is slidable in and out of the case and biased outward is inserted in a case with one end open, and the slider is pushed into the case between the two. It is fixed and fixed, and when it is pushed again, the locking mechanism is formed and provided, and the magnetized body is positioned in the interior opening that is opened on the slide tip side of the slider. A plate-like yoke is sandwiched between them, and the suction surface at the tip of the yoke is directed toward the slide tip side, and this suction surface side can be swung to both sides, and a guide part that guides the end of the proper location of the yoke in the swing direction Is provided in the case, and the yoke is held in an inclined state with the slider protruding outward.

Further, due to the effect described later, a locking step is provided at the tip of the yoke, and a locking projection is provided on the slider that allows the yoke to swing while locking with the locking step. It is preferable that a guide convex portion is formed on the slide rear end side of the yoke, the guide convex portion is provided, and a guide groove having an inclined surface for guiding the yoke to an inclined state is provided in the case.

[0007]

[Action]

 As described above, according to the magnetic catcher for opening and closing the door of the present invention, for example, a TV stand or an audio rack for closing the opening on the inner surface side of the main body of a TV stand or an audio rack in the shape of a box with one side open Attach the slider side to the open / close side of the door pivotally attached to the main body of the TV from the opening side of the main body of the TV stand or audio rack to the outside, and at the position corresponding to the slider on the back of the door. Attach an object to be adsorbed, such as an iron plate.

When opening a closed door of a TV stand or an audio rack to which such a door catching magnetic catcher is attached, push the side end of the open / close side of the door from the front side to move the slider inside the case. The slider is pushed forward by the urging force, and the yoke end is moved while being guided in the swinging direction along the guide part. When the slider is completely projected from the case, the yoke suction surface is tilted and the entire contact area of the yoke is gradually decreased. It is held and the object to be adsorbed on the door can be easily removed from the adsorbing surface of the yoke, and the door can be opened.

Next, the door thus opened is closed by pushing the door into a main body such as a TV stand or an audio rack, and locking and fixing the slider to the case.

Further, the slider is provided with a locking step portion at the tip of the yoke, and a locking projection portion that allows the yoke to swing while locking with the locking step portion. If a guide protrusion is formed on the rear end side and a guide groove with an inclined surface that guides this guide protrusion and guides the yoke to the inclined state is provided in the case, the door is opened. However, if the side edge of the door on the open / close side is pushed from the front side, the slider will be pushed into the case and its locked state will be released, and the slider will project toward you due to the biasing force. The biasing force of the opening causes the yoke locking step to rotate with the slider locking projection locked, and the yoke suction surface is tilted. Moves while being guided by contacting the inclined surface of By doing this, the base end of the yoke rotates and the whole tilts, the contact area of the yoke's suction surface and the door's attracted object gradually decreases, and when the slider completely projects from the case, the yoke's suction The surface is held in an inclined state, and the object to be adsorbed on the door can be easily removed from the adsorbing surface of the yoke, and the door can be opened.

[0011]

【Example】

 The details of the door opening / closing magnet catcher according to the present invention (hereinafter, simply referred to as a magnet catcher) will be further described with reference to the accompanying drawings. In particular, the explanation will be given assuming a magnet catcher for opening and closing a single-opening door in a TV stand or an audio rack. The magnet catcher A of the first embodiment is shown in FIGS. 1 to 4. Reference numeral 1 is a case for attaching the magnet catcher A to the main body of a TV stand or an audio rack and holding a slider for opening and closing a door which is openably and closably attached to the main body. Reference numeral 2 in the figure shows such a slider. The case 1 is formed in the shape of a box with one end open, and is provided with attachments 3 and 3 for attaching to the body of furniture or the like on both sides, and locking ports 3'and 3'opened inside thereof. is there. The slider 2 is slidable in and out of the case 1 and is attached by a spring 4 provided between the slider 1 and the slider 2 so as to urge the slider 2 outward. As shown in FIG. 2, the spring 4 is externally fitted to a mounting projection 5 standing on a wall body facing the opening of the case 1, and an insertion opening provided in the sliding direction of the slider 2 on the slide base end side. It is installed with the interior of 6.

Between the case 1 and the slider 2, when the slider 2 is pushed into the case 1, the slider 2 is locked and fixed to the case 1, and when the slider 2 is pushed again, the locked state is released. A locking mechanism 7 is provided. The locking mechanism 7 is composed of a combination of a locking portion 8 provided on the inner surface side of the back side of the case 1 and a locking tool 9 provided on the slider 2 side as shown in FIG. As shown in FIG. 3, the locking portion 8 has a heart-shaped outer periphery protruding toward the inner side of the back side of the case 1, and the locking recess 10 recessed toward the opening side of the case 1 is on the back side of the case 1. In addition, the portion formed on the side of the center line O along the sliding direction of the slider 2 and protruding toward the opening side is directed to the opposite side of the locking recess 10 with respect to the center line O. In the figure, numeral 11 is an opening for removing a mold for molding the locking portion 8, and the same height as the locking portion 8 is provided on the back side of the case 1 sandwiching the locking portion 8 and the opening 11. Is formed. On the other hand, as shown in detail in FIG. 1, the locking tool 9 is provided with a locking projection 13 which is locked in a locking recess 10 of a locking portion 8 on one side of a horizontally oriented plate-shaped main body 12. A supporting leg 14 is provided upright on the side opposite to the locking projection 13 on the other side. The support leg 14 is formed with a flat support surface 15 on the surface opposite to the locking projection 13. Reference numeral 16 in the figure denotes a support protrusion formed on the other side of the plate-shaped body 12 opposite to the support leg 14 and at substantially the same height as the locking protrusion 13. The engaging member 9 has its supporting leg 14 and its supporting surface 15 faced to the flat surface of the mounting opening 17 which is opened substantially at the center along the sliding direction of the slider 2 and faces the sliding tip side. And the slider 2 is mounted on the case 1, and when the slider 2 is mounted on the case 1, its locking projection 13 is positioned on the outer periphery of the locking portion 8 and further on the opposite side of the support surface 15 of the support leg 14. As shown in FIG. 2, the end of the spring 4 is brought into contact with the spring so that the locking projection 13 thereof is always urged toward the center line O.

Reference numeral 18 denotes a magnetized body made of a permanent magnet, which is installed in an interior opening 19 provided at the slide front end side of the slider 2, and 20, 20 are made of an iron plate as shown in FIG. In addition, the yoke has a locking step portion 22 in the middle, and has a large and small guide projections 23 and projections 24 in a bifurcated shape at the base end, and in particular, the guide projection 23 protrudes from the side surface. The dimensions are set. Further, as shown in FIG. 1, the slider 2 is provided with locking projections 25 and 25 having tapered surfaces 25a on both sides in the sliding direction, positioning projections 26 and 26, and projections 27 and 27 which are spaced apart from each other and are provided on both upper and lower sides. A storage surface 28 is formed between the stop projections 25, 25 and the positioning projections 26, 26 in such a dimension relationship that the suction surface 21 can swing toward the slide front end side, and the positioning projections 26, 26 and the projections are formed. Notches 28 and 28 are provided in the periphery so that 27 and 27 are in a free end state, and the inside is hollowed, and a retaining projection 29 is projected to the side of the protrusion 27. Reference numeral 30 in FIG. 1 is an introduction groove for allowing the retaining projection 29 of the slider 2 to pass through when the slider 2 is inserted into the case 1, or at the locking port 3'shown in FIG. The slip-out preventing projection 29 is locked to the end portion on the leading end side in the sliding direction so that the rider 2 is prevented from protruding beyond a certain distance.

The point of the present invention is that the yoke 18 is held in an inclined state when the slider 2 is projected outward. In this embodiment, a locking step 22 is provided at the tip of the yoke 20. The slider 2 is provided with locking projections 25, 25, and as the guide portion 31, a guide convex portion 23 of the yoke 20 and a guide groove 32 for guiding the guide convex portion 23 are provided as shown in FIGS. 3 and 4. The structure is provided on the inner surface of the. The guide groove 32 has a support projection surface 32a and an inclined surface 32b formed at the base end and a horizontal surface 32c formed at the tip end. As shown in FIG. Is located between the locking projections 25, 25 of the slider 2 and the positioning projections 26, 26, and the guide projection 23 of the yoke 20 abuts the support projection surface 32a and the positioning projection 26, and the projection 24 Comes into contact with the positioning projection 26, and the locking projection 25 is locked to the locking step portion 22. As the slider 2 projects, the biasing force of the door 33 at this time tends to open. While the locking step 22 of the yoke 20 is locked by the locking projection 25 of the slider 2 to rotate the suction surface 21 of the yoke 20, the guide projection 23 of the yoke 20 is guided. While moving in the groove 32 and contacting the inclined surface 32b and the horizontal surface 32c, the suction surface 21 of the yoke 18 moves toward the slide tip side. When the slider 2 is swung to the side and protrudes, the entire yoke 20 is inclined with respect to the slider 2 as shown in FIG. 4, and the guide protrusion 23 abuts on the horizontal surface 32c of the guide groove 32. With the convex portion 24 abutting on the positioning protrusion 26 and the locking step portion 22 abutting on the taper surface 25a of the locking protrusion 25, the suction surface 21 of the yoke 18 is held in an inclined state. It is possible. On the contrary, when the slider 2 is pushed in, the guide projection 23 of the yoke 20 moves along the guide portion 31, and the slanted state of the slider 2 is corrected to the straight state.

Further, when assembling the entire magnet catcher A, the magnetized body 18 is held in the interior opening 19 of the slider 2, and the yokes 20 and 20 are attached so that the magnetized body 18 is sandwiched and a locking tool is provided. This can be done by pushing the slider 2 into the case 1 with the spring 9 and the spring 4 attached.

Next, the magnet catcher A of the second embodiment will be described with reference to FIGS. 5 and 6. The magnet catcher A of the second embodiment, like the magnet catcher A of the first embodiment described above, uses the guide protrusions 23 of the yoke 20 and the guide groove 32 that guides the guide protrusions 23 to attract the yoke 18. The surface 21 can be held in an inclined state. However, as shown in FIGS. 5 and 6, the guide projection 23 is formed in the same plane without protruding from the side surface, and the base end side The guide convex portion 23 is formed by projecting the guide convex portion 23 to the end, and the locking step portions 22 are provided on both sides of the suction surface 21 of the yoke 18. As in the case of the magnet catcher A of the first embodiment, the guide groove 32 is formed by the support projection surface 32a, the slope 32b and the horizontal surface 32c, but it may be formed only by the slope 32b. Further, the guide convex portion 23 of the yoke 20 can be provided so as to project not from the base end but from the middle of the side end.

Further, as a structure for holding the yoke 18 in an inclined state when the slider 2 is projected outward, the guide convex portion 23 of the yoke 20 described above and the proposed groove 32 for guiding the guide convex portion 23 are provided. Is not limited to a structure in which the suction surface 21 of the yoke 18 can be held in a tilted state, and although not particularly shown, for example, a guide recess having a tilted surface is provided at the end of the yoke 18, and Alternatively, a case may be provided in which a case is provided with a guide convex portion that can move in the guide concave portion.

Thus, according to the magnet catcher A of the first embodiment of the present invention, for example, as shown in FIG. 3, a main body such as a TV stand or an audio rack in the shape of a box with one surface opened. To close this opening on the inner surface side, slide the slider side from the opening side of the main body of the TV stand or audio rack etc. to the position corresponding to the opening / closing side of the door 33 pivotally attached to the main body of the TV stand or audio rack etc. Attach the object to be attracted 34 made of an iron plate or the like to the position corresponding to the slider on the back surface of the door 33.

When the closed door 33 of the TV stand or the audio rack to which the magnet catcher A is attached is opened as follows. First, when the open / close side end of the door 33 of FIG. 3 is pushed from the front side, the slider 2 is pushed into the case 1 and the locked state is released, and the slider 2 is moved forward by the biasing force of the spring 4. As shown in FIG. 3, the biasing force of the door 33 at this time causes the yoke 18 to be opened, and the front end of the yoke 18 is held between the locking projections 25, 25, and the locking step 22 of the yoke 20 is held. Is attracted to the locking projection 25 of the slider 2 and the suction surface 21 of the yoke 20 is tilted, but the guide projection 23 of the yoke 18 moves from the tilted surface 32b of the guide groove 32. By contacting the horizontal plane 32c and moving while being guided, the base end of the yoke 18 rotates and the whole tilts, and the contact area between the attracting surface 21 of the yoke 18 and the attracted object 34 of the door 33 gradually decreases. When the slider 2 is completely protruded from the case 1, as shown in FIG. 21 is held in a tilted state, the object 34 to be sucked on the door 33 can be easily removed from the suction surface 21 of the yoke 18, and the door 33 can be opened.

Next, the door 33 thus opened is closed by pushing the door 33 into a main body such as a television stand or an audio rack, and locking and fixing the slider 2 to the case 1.

As described above, according to the magnet catcher A of the embodiment according to the present invention, the guide portion 31 is provided with the guide protrusion 23 so that the guide protrusion 23 is provided at the base end of the yoke 20. Since each member can be integrally molded so that the groove 32 is provided on the inner surface of the case 1 and the slider 2 has the locking projections 25, 25 and the positioning projections 26, 26, The structure is simpler than that of the conventional one, and the assembly of the magnet catcher is easy, and in addition, the manufacturing cost can be significantly reduced. Moreover, since the guide protrusion 23 of the yoke 20 is simply moved while being positioned in the guide groove 32, smooth movement can be performed without friction.

[0022]

[Effect of device]

 According to the magnetic catcher for opening and closing the door according to the present invention, for example, a locking step is provided at the tip of the yoke, and a locking projection is provided on the slider for swinging the yoke while locking with the locking step. As a guide part, the slider has a locking protrusion and a positioning protrusion so that the base end of the yoke has a guide protrusion and a guide groove for guiding the guide protrusion is provided on the inner surface of the case. As it has, since each member can be manufactured by integral molding, the structure is simpler than the conventional one, and the assembly of the magnet catcher is also easy, and the manufacturing cost is significantly reduced. it can.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a magnet catcher for opening and closing a door according to a first embodiment.

FIG. 2 is a vertical sectional view showing a state in which the slider is also pushed into the case.

FIG. 3 is a plan view showing an operating state of the same.

FIG. 4 is a plan view showing an operating state in which the slider is also protruding.

FIG. 5 is a schematic plan view showing an operating state of a door opening / closing magnet catcher of a second embodiment.

FIG. 6 is a schematic plan view showing an operating state in which the slider also projects.

[Explanation of symbols]

 A Door open / close magnet catcher 1 Case 2 Slider 3 Mounting part 4 Spring 5 Mounting protrusion 6 Insertion hole 7 Locking mechanism 8 Locking part 9 Locking tool 10 Locking recess 11 Opening 12 Plate body 13 Locking protrusion 14 Support leg 15 Support surface 16 Support protrusion 17 Mounting opening 18 Magnetized body 19 Interior opening 20 Yoke 21 Adsorption surface 22 Locking step 23 Guide projection 24 Projection 25 Locking projection 26 Positioning projection 27 Projection 28 Storage surface 29 Retaining protrusion 30 Introductory groove 31 Guide section 32 Guide groove 33 Door 34 Object to be attracted

Claims (2)

[Scope of utility model registration request] Claim: What is claimed is: 1. A case having one end opened, and a slider that is slidable in and out of the case and urged outwardly. A locking mechanism that releases the locked state when it is inserted is provided, and a magnetized body is positioned inside the interior opening that is opened on the slide tip side of the slider, and plate-shaped yokes are stacked with the magnetized body sandwiched. In addition, the suction surface at the tip of the slider faces the slide tip side, and the suction surface side can be swung to both sides.The guide part that guides the end of the yoke in the swing direction is provided inside the case, and the slider is outside. A magnet catcher for opening and closing a door, which holds the yoke in an inclined state while protruding in one direction. 2. A locking step portion is provided at the tip of the yoke, and a locking projection for swinging the yoke while locking with the locking step portion is provided on the slider. Further, as a guide portion, a sliding rear end of the yoke is provided. 2. The door catching magnet catcher according to claim 1, wherein a guide groove is formed on the side, and a guide groove having an inclined surface that guides the guide protruding portion and guides the yoke in an inclined state is provided in the case.