JPH053560U - Butterfly attachment device - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention hinges the open / close frame freely to open / close with respect to the main body frame, and releases the open / close frame from the main body frame by releasing the hinge when it exceeds a certain rotation range. It is an object of the present invention to provide a hinged device in which rotation is restricted immediately before the disclosure of the hinged structure so that the hinged state is not unintentionally released. [Structure] A gutter-shaped receiving portion 13 is provided at an edge of an upper opening of a main body frame 1, and a sliding portion 14 is provided at an upper edge portion of an opening / closing frame 2 corresponding to the receiving portion so as to be slidable. While the hinge is pivoted around the joint as a fulcrum, a retaining piece 17 is provided on the upper edge of the opening / closing frame in parallel with the sliding portion 14, and a screw 18 serving as a stopper is attached to the tip of the retaining piece 17. And the front surface of the receiving portion 13 is provided with a projection 16 at the tip of the receiving portion, and the screw 18 abuts against the projection 16 in the middle of opening the opening / closing frame. A hinged device that allows the opening and closing of the open / close frame to be stopped immediately before releasing the attached state so that the release of the attached state can be regulated.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  INDUSTRIAL APPLICABILITY The present invention is used for a guide map, a display, or an advertisement that is installed on the premises of a station or a corridor of a building The display opening / closing frame, etc. that can be freely opened and closed on the front of the display device that stores pictures, photos, etc. The present invention relates to a hinged device suitable for wearing.

[0002]

[Prior art]

  Display devices installed on the premises of stations or in corridors of buildings, especially for lighting inside In the case of so-called electro-illumination type display devices equipped with a fluorescent lamp, in addition to the change of the posted items, In order to make it convenient to replace the light lamp, there is one that has a front frame that can be freely opened and closed. . This front opening and closing frame is often hinged by a normal hinge, but this hinge You can freely open the frame with this hinge, but when opening it, this frame is attached to the main frame integrally. Keep open when converting the posted material from or to the fluorescent lamp I need to do it. However, if the device is large, the open / close frame itself also becomes large. However, at the same time, these display devices are often used on the ceiling or Since it is often installed at a high place on the wall, it is extremely difficult for workers to maintain an open state. Difficult and dangerous.   For this reason, the applicant first opened the display frame for housing the display plate, that is, the front frame. At the same time as freely hinged, this hinge is released and the base frame, that is, the body frame We have developed a hinged device that allows the opening and closing frame to be removed. It was clarified by the first publication.   The hinge device in this display frame device hinges the display frame, and if necessary, For example, when the equipment is located at a high place and workability is poor, or it takes time to replace posted items. If necessary, the hinged part is disassembled so that only the display frame can be removed. Tsuma In this device, the projection of the display frame is slid on the arc-shaped surface of the hinge member provided on the body frame, While the display frame can be freely rotated around the curved surface, when it reaches a certain rotation range The projection piece can be removed from the arcuate surface so that it can be removed.

[0003]

[Problems to be solved by the device]

  The hinged device according to the above proposal can easily release the hinged state compared to the hinges up to that time. Although there is an advantage that it can be released, it is released immediately when the display frame is rotated beyond a certain rotation range There was a danger of falling into a state.   In view of this fall risk, the present invention stops the rotation just before reaching the hinge release position. Prevents the display frame from falling to prevent damage to the display frame and at the same time ensures worker safety. It is intended to provide a hinged device adapted to retain.   Further, the present invention is one in which the rotation range of the display frame is fixed at a fixed position and the release of the hinge is restricted. However, if necessary, remove this regulation to release the hinged state and remove the display frame from the main frame. It is intended to provide a hinged device that can be removed for any reason.

[0004]

[Means for solving problems]

  The present invention has been made based on the above-mentioned object, and its characteristic feature is that of the main frame. A gutter-shaped receiving part having an arcuate cross section is provided at the upper edge of the opening, and the above-mentioned is provided at the upper edge of the opening / closing frame. The receiving part is provided with a sliding part, and the open / close frame is pivotally supported by the sliding part as a fulcrum. On the other hand, a protrusion is provided on the outer surface of the receiving portion, and on the other hand, the front edge is provided on the upper edge of the opening / closing frame. A stopper facing the lower surface of the receiving portion is provided facing the sliding portion, and the opening / closing frame is required. When the angle is opened, the stopper collides with the protrusion so that the rotation range is regulated. Another object of the present invention is to provide a hinged device.   In the hinge device according to the present invention, the upper edge portion of the opening / closing frame is provided with a sliding portion at a required distance. Providing a retaining piece facing each other with a gap, the receiving portion of the main body frame is provided between the retaining piece and the sliding portion. While accepting the screw, make a screw hole in the retaining piece and put a stopper screw in the screw hole. Another object of the present invention is to provide a hinge device which is detachably attached to the hinge.   Next, the present invention will be clarified with reference to the illustrated embodiment, and other features will be described. The details will be described.

[0005]

【Example】

  The illustrated embodiment is an example in which the present invention is applied to an advertisement display device. Figure 1 shows the usage 2 is a vertical sectional side view of a main part of the state, and FIG. 2 is a vertical side view of the main part in an open state. The main body frame 2 of the display device is an open / close frame in which a front opening of the main body frame 1 is freely hinged. It

[0006]   The main body frame 1 is made by extruding a frame material 3 made of aluminum alloy into a rectangular frame. Then, the rear surface of the frame is brought into contact with the wall surface 4 along the rail, and is fixed through an anchor bolt (not shown). The fixed opening is directed toward the surface.

[0007]   In the figure, 5 is a fluorescent lamp for illumination provided inside the main body frame 1, and 6 is a fluorescent lamp. A light diffusing screen stretched along the front surface of 5 and 7 is a screen in front of the screen 6. A semi-transparent diffusion sheet stretched through a pulling 8, and 9 is a portion of the diffusion sheet 7. It is a color film for advertisement, which is also stretched forward through a spring 10.

[0008]   The diffusion sheet 7 and the film 9 should be projected forward from the edges of the openings of the upper and lower frame members 3. The projecting piece 11 is extended so that it can be freely engaged and disengaged. This protrusion 1 1 has a locking groove portion on the inner surface which faces each other vertically, and two locking pieces are provided in this groove portion. Attach the locking member 12 projecting from the The springs 8 and 10 are pierced at the ends of the springs 8 and 10, respectively. Hook portions 8a and 10a are provided on the through hole so as to be freely engaged and disengaged.

[0009]   Now, in the figure, 13 is forwardly located at the opening edge of the upper frame member 3 facing the front opening of the main body frame 1. Reference numeral 14 denotes a receiving portion provided so as to project toward the upper side, and 14 is an upper opening portion of the main body frame of the opening / closing frame 2. It is a sliding portion provided on the upper edge 15 facing the edge.

[0010]   The opening / closing frame 2 is formed in a frame shape so as to cover the front surface along the opening edge of the main body frame 1. And the frame portion at the upper edge thereof, that is, the outer peripheral portion of the upper edge portion 15, faces the receiving portion 13. Thus, the sliding portion 14 is provided.

[0011]   The receiving portion 13 has a gutter shape whose upper surface is a concave curved surface having a semi-circular cross section, The sliding part 14 is designed to be received, and the tip edge protruding in front of this part has a A protrusion 16 that horizontally protrudes outward is provided along the length direction.

[0012]   On the other hand, the sliding portion 14 is formed in a C-shaped cross section, and the circular peripheral surface of the sliding portion 14 is formed into the receiving portion 1 described above. 3 is fitted from above from the top so that the receiving part is rotatably engaged with the fulcrum, and the open / close frame is 2 can be freely hinged. And here is the above A retaining piece 17 having an arcuate cross section is provided in parallel with the mating portion 14 at a distance. The receiving portion 13 is received between the retaining piece 17 and the sliding portion 14. There is.

[0013]   As shown in FIG. 1, the retaining piece 17 has a tip portion when the open / close frame 2 is in a closed state. Place it directly below the receiving part 13, and make a screw hole (not shown) vertically from the bottom of this receiving part. And screw the headed screw 18 that serves as a stopper into the lower surface of the receiving portion 13 I'm trying to face you.

[0014]   The open / close frame 2 is formed in a frame shape as described above, and the opening frame edge of the main body frame 1 and the diffusion sheet. Cover the front of springs 8 and 10 that pull film 7 and film 9, A screw rod 19 is passed from the inner edge portion along the back surface to the plate portion 2a of the surface, and the tip of the shaft is The closed state by hooking the part to the locking part 20 provided at the tip of the projecting piece 11. I am able to maintain it.

[0015]   The device of the present invention is constructed as described above, and the open / close frame 2 is provided with a screw rod 19 when used. Is retained in the closed state by locking the lock portion 20 to the springs 8, 10 and the seat 7. And, the edge of the film 9 is covered to expose only the main part of the film. So Then, for example, when the film 9 is replaced or the fluorescent lamp 5 is replaced, a screw rod is used. If 19 is disengaged and flipped up, the sliding portion 14 that slides on the receiving portion 13 is used as a fulcrum. It can be rotated and released.

[0016]   In the case of this embodiment, the opening and closing frame 2 is rotated by about 90 degrees as shown in FIG. By the way, the stopper screw 18 will stop when it abuts the protrusion 16. It Therefore, the open / close frame can be freely opened / closed within the range of about 90 degrees by removing the screw rod 19. Although it moves, if the screw 18 that abuts against the protrusion 16 is further removed, the open / close frame will Further rotation is possible, and at the same time, lifting it as it is will release the hinged state and the main body The open / close frame 2 can be removed from the frame 1.

[0017]   Next, referring to FIG. 3, the present invention is applied to an opening / closing frame 22 for accommodating a display plate 21 of a display device. It is an example of. In the figure, 23 is a body frame that is fixed to the wall or hung from the ceiling. Yes, 24 is a receiving portion fixed to the upper opening edge of the main body frame, 25 corresponds to this receiving portion 24 The sliding portion is provided on the upper edge of the open / close frame 22.

[0018]   The main body frame 23 is a rectangular frame made of aluminum extruded profile 26 as in the first embodiment. The engaging groove portion 27 is provided at the front edge portion of this shape member, and the receiving portion 24 is provided in this groove portion. The strap plate-like locking plate 28 provided integrally is hooked, and further fixed by a screw 29. It sticks to the body. That is, in this embodiment, the profile and the receiving part are molded separately. The structure is combined with each other.

[0019]   The receiving portion 24 is formed in a gutter shape whose upper surface is a concave arc surface having a semicircular cross section. In addition, the sliding portion 25 whose peripheral surface is formed into a circular cross section is received.

[0020]   The open / close frame 22 is formed of an extruded aluminum material. And set it on the upper edge The retaining piece 30 provided in parallel with the sliding portion 25 to be worn is a stopper. The screw 31 is screwed so that the tip of the screw shaft faces the lower surface of the receiving portion 24. It A projection 32 that horizontally projects outward is provided at the tip of the receiving portion 24. It is provided.

[0021]   Although not shown, the main body frame 23 houses a lamp for illumination therein. And , The open / close frame 22 is closed at the time of use, and the free lower edge is main body as shown by the two-dot chain line in FIG. Abut on the edge of the lower opening of the frame and hang it on the locking hook 33 provided there, and close it. Retained. Then, when replacing the lamp or the like, the sliding portion 25 that slides on the receiving portion 24. The opening and closing frame will be flipped up and opened around the fulcrum.

[0022]   The opening of the open / close frame 22 is restricted by the screw 31 abutting against the protrusion 32, and is approximately 90 Although it can be stopped once it is opened, it will be released from the protrusion 32 when the screw 31 is removed. As the sliding part 25 slips out of the receiving part 24, the hinged state is released The frame 22 can be removed from the main body frame 23.

[0023]   The sliding portion 25 is fitted into the receiving portion 24 while keeping the open / close frame 22 horizontal, and When the opening / closing frame is closed at the base point, the hinged state is restored, and at the same time, the retaining piece 30 is placed under the receiving portion 24. As a result of entering, you will be restrained in a hinged state. And in this state, screw 31 If screwed in, the rotation range will be regulated as described above, and it will not come off without permission.

[0024]

[Effect of device]

  The present invention has been described in detail with reference to the illustrated embodiment. The hinge device of the present invention has a gutter-shaped receiving portion. The open / close frame can be freely set by inserting the sliding part and supporting it freely around this receiving part. It can be opened and closed as well as opened to a certain angle, and the screw as a stopper Collides with the projection of the receiving part to stop the rotation, and stops the sliding part fitted to the receiving part from pulling out. The hinged state is not released due to flipping, so it can be safely opened and closed. On the other hand, in the device of the present invention, by removing the screw, the abutment with the projection is released and the receiving part is released. The sliding part can be removed from the main frame to easily open and close the frame It can be removed and returned to the hinged state.   Moreover, in the present invention, when removing the opening / closing frame, the retaining piece is attached to the sliding portion. Side by side, and when the sliding part is slid into the receiving part, place the retaining piece on the lower surface of this receiving part. Since the receiving part is sandwiched between the sliding part and the sliding part, the tip of the retaining piece The hinged state will not be released until the point where it exceeds the origin, and therefore the opening / closing operation of the open / close frame will You can avoid the danger of dropping out in the middle of the work.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view of a main part in a use state in which a hinge device according to the present invention is applied to an advertising film posting device.

FIG. 2 is a vertical cross-sectional side view of essential parts showing a state in which the opening / closing frame is opened until the hinged state of the hinged device can be released.

FIG. 3 is a vertical cross-sectional side view of an essential part showing another embodiment of the present invention.

[Explanation of symbols]

1 body frame 2 open / close frame 13 Receiver 14 Sliding part 16 Protrusion 17 retaining pieces 18 Screws that serve as stoppers

Claims (2)

[Scope of utility model registration request] 1. A gutter-shaped receiving portion having an arcuate cross-section is provided at an upper edge portion of the opening of the main body frame, and a sliding portion which is slidably fitted to the receiving portion is provided at an upper edge portion of the opening / closing frame. While the opening / closing frame is rotatably supported by the sliding portion as a fulcrum, a protrusion is provided on the outer surface of the receiving portion, while the upper edge of the opening / closing frame faces the sliding portion. Then, a stopper is provided so as to face the lower surface of the receiving portion, and when the opening / closing frame is opened at a required angle, the stopper abuts against the protrusion to regulate the rotation range. . 2. The slip-preventing piece according to claim 1, wherein the upper edge portion of the opening / closing frame is provided at the sliding portion so as to face each other at a predetermined interval, and is provided between the slip-preventing piece and the sliding portion. A hinge-attaching device, characterized in that a receiving hole of a main body frame is received, a screw hole is formed in the retaining piece, and a stopper screw is detachably attached to the screw hole.