KR100892211B1 - Apparatus for openening and closing the door - Google Patents

Abstract

The present invention relates to a door opening and closing device characterized in that the operating mechanism is installed on the upper door frame, and more particularly to a door opening and closing device used for large tempered glass door. Door opening and closing device is installed in the upper door frame for the momentary stop when the door is rotated by a certain angle, and after the door is installed, it is possible to adjust the position of the mechanism so that both doors in a straight line from the outside. The present invention also relates to a support for supporting the lower door frame in the door opening and closing apparatus described above. The support is formed with a hole in the center and a bolt hole around the center hole, a support plate with threaded holes penetrated to the center hole on the side wall, installed at the bottom of the support plate and joined to the upper support plate by bolts, and around the center hole. An operating tube having an axial projection on the side, a spring receiving chamber coupled to the lower side of the operating tube and accommodating the spring therein, and a screw formed at the upper end, and a lower end formed in a circumferential shape, and an axial key groove formed at the screw part And the upper part protrudes above the support plate, and the bottom part is composed of a connecting rod installed inside the spring receiving chamber so as to be supported by the spring. According to the present invention, since the operation mechanism is installed inside the upper door frame, there is no fouling of the operation mechanism or the cover plate, which occurs when the operation mechanism is installed on the building floor surface under the door. In addition, the support has the effect of allowing the door to be installed rigidly.

Description

Switchgear for glass door {APPARATUS FOR OPENENING AND CLOSING THE DOOR}

The present invention relates to an opening and closing device for a large glass door, and more particularly, to a door support for supporting a glass door opening and closing device provided on an upper door frame of a large tempered glass door and a bottom plate bottom surface of the glass door. Glass door opening and closing device of the present invention is characterized in that the operating mechanism for rotating the glass door is built in the upper door tool.

The large glass door formed of tempered glass includes left and right doors formed by combining upper and lower plates formed of iron plates, in particular, stainless steel plates, respectively at upper and lower ends of the tempered glass plate. In the above-mentioned conventional tempered glass door, an actuator is installed on the floor of the building below the lower plate when the door is rotated to open the door so that the glass door is momentarily stopped when the glass door is opened at a predetermined angle, for example, 90 ° and 110 °. The actuator has an elliptical cross-section connecting rod that protrudes above the floor of the building, and a connector is installed inside the lower plate, and the connector is formed by inserting a coupling rod having an elliptical cross-section protruding downward from the above-described actuator. . Since the groove into which the connecting rod formed in the upper plate and the connecting rod formed in the upper plate is coupled has an elliptical cross section, when the door is opened with the connecting rod of the elliptical cross section inserted into the groove of the elliptical cross section, the rotational force of the door is transmitted to the actuator through the connecting rod. Will be. The actuating mechanism is hydraulically operated and when the door is opened at an angle of 90 ° or 110 °, it momentarily stops opening the door.

The above-mentioned operating mechanism has a rotating plate that is hydraulically operated so that the door can rotate smoothly, and the rotating plate is formed with a groove for stopping the rotation of the glass door at 90 ° and 110 °, so that the glass door is rotated at the angle. When rotating, the fixing pin is inserted into the aforementioned groove to stop the rotation of the glass door. When the connecting rod of the elliptical cross-section described above is installed on the rotating plate and the actuator is installed on the floor of the building, the connecting rod protrudes over the building floor through the casing of the operating mechanism, and the top of the protruding connecting rod is inserted into the elliptical groove of the lower plate. Inside the top plate, a connector having a connecting rod protruding downward was installed, and the connecting rod protruded out of the bottom of the top plate. Inside the top plate, a connector having a groove into which a connecting rod formed to protrude downward on the bottom of the top plate is inserted. The connecting rods formed in the upper plate and the grooves of the connector installed inside the upper plate both have a circular cross section, so that they can rotate freely in accordance with the rotation of the door.

The installation of these large glass doors can be either smoothly finished on the concrete floor surface or marbled, and then the cement or marble layer under the door where the actuator is installed is dug wide enough to accommodate the actuator, and then anchored to the anchor anchor. The implement was welded and welded to the door frame to fix the implement. After the actuator was embedded in the groove, the cover plate covering the groove where the actuator was installed was covered. The cover plate is mostly made of stainless steel plate, and has a width enough to cover the periphery of the groove in which the opening and closing mechanism is accommodated so as to shield the periphery of the groove from the outside. The cover plate was formed with an elliptical cross-section hole through which the connecting rod of the actuator passed. The top of the connecting rod of the projecting elliptical cross section is inserted into the elliptical groove of the connector installed on the upper plate so that the rotational force of the door is transmitted to the actuator.

Thus, the conventional door opening and closing device inserts the connecting rod of the operating mechanism into the groove of the lower plate, and the connecting rod protruding from the upper plate is inserted into the groove formed in the upper plate. When the glass door rotates, the rotational force of the door is of the elliptical cross section installed in the elliptical groove of the lower plate. It is transmitted to the implement through the connecting rod.

The above-mentioned conventional door opening and closing device is to dig the bottom of the position where the actuator is to be installed and to bury the anchor, and then weld and fix the actuator to the anchor. Welded This was not only complicated installation work but also required a lot of manpower and time.

In particular, the conventional door opening and closing device has a case that the operating mechanism is corroded by the rain water or cleaning waste water soaked through the cover plate during use after the operating mechanism is installed. Therefore, the life of the switchgear was short, there was a problem in the replacement time is fast and repair.

In addition, the conventional door opening and closing device has a case that the cover plate is crushed or ruptured when used for a long time to damage the appearance of the building.

In general, the door has to be installed by the door installer after the building is completed, the door installer has been recognized as an inconvenient task that takes a lot of time and effort to install the conventional door opening and closing device.

An object of the present invention can solve the problems of the above-described conventional glass door opening and closing device, it can be easily installed and install the operating mechanism inside the upper door tool and projecting downward through the upper door frame so that the cover plate covering the operating mechanism is not exposed from the building floor. It is to provide a glass door opening and closing device configured to be coupled to the connecting rod is installed on the upper plate of the glass oval cross section.

It is another object of the present invention to provide a glass door supporter which is installed below the lower plate of the glass door so that the glass door is securely supported from the lower side in the glass door opening and closing apparatus having the operation mechanism installed on the upper door frame as described above. .

The first object of the present invention described above is achieved by the glass door opening and closing apparatus of the present invention configured to install the operation mechanism inside the upper door frame and to adjust the position of the glass door from side to side inside the upper door frame.

The second object of the present invention is achieved by the support of the present invention configured to be connected to the lifting rod by the rotation of the rotary plate.

The present invention includes a door opening and closing device installed in the upper door frame and a support for supporting the door from below.

The door opening and closing device includes an operation mechanism. Actuators installed inside the top plate are known. The implement is hydraulically actuated and serves to temporarily keep the door stationary when the door is rotated at an angle, for example 90 ° and 110 °. The actuator is provided with a rotating plate at one end, and the connecting rod is fixed to the rotating plate, and the connecting rod protrudes below the upper door frame to be coupled to the connecting member installed on the upper plate of the upper door.

The above-mentioned actuating mechanism includes accessories such as a hydraulic chamber housed in the casing, a rotating disc housed in the hydraulic chamber and coupled to the rotating shaft to rotate in accordance with the rotation of the door, and a spring in the hydraulic chamber elasticized by the rotation of the rotating disc. . When the disc is rotated in accordance with the rotation of the door, the above-described disc is formed with a groove for inserting a pin fixed to the casing according to the rotation angle to temporarily stop the rotation of the door. Since the internal structure of the actuator is well known in the art, a detailed description thereof will be omitted.

The operating mechanism according to the present invention includes a casing, and one end portion of the casing has extension portions formed at both sides, and the extension portion has bolt holes formed therein so that the adjustment bolt is inserted into the bolt holes. Long holes were formed on both sidewalls of the door frame, which were in line with the bolt holes, into which tools for rotating bolts such as drivers were inserted. In addition, a spring support for supporting the spring is formed at one extension part, and the spring support is supported by the spring so that when the drive device is inserted into the upper door frame, the casing of the drive device is mounted against the inner circumferential wall of the upper door frame. I came to support it flarefully. The above-mentioned adjustment bolt can be rotated by a tool such as a screwdriver inserted through a tool insertion hole formed in the upper door frame. When the adjustment bolt is rotated while one extension part is supported by a spring, the adjustment mechanism of the operating mechanism installed in the upper door frame can be rotated. The position of one end portion is moved left and right to adjust the installation direction of the operating mechanism in the upper door frame.

On the bottom of the actuating device a connecting plate is welded or attached by bolts, and on the bottom of the upper door frame the above-mentioned fixing plate is attached by bolts. Since the position of the tool such as a screwdriver inserted into the bolt hole may be changed when the above-described operating mechanism moves left and right, the tool insertion hole formed in the upper door frame is preferably formed in a rectangle.

The tool insertion hole formed in the above-mentioned upper door frame has an inner diameter into which a tool such as a driver can be inserted while its diameter is smaller than the outer diameter of the adjusting bolt. When the bolt is rotated with the tool while the adjusting bolt is supported on the inner surface of the upper door frame, the end of the bolt is in close contact with the inner surface of the upper door frame and pushes or pulls the end of the actuator to the side. Since the opposite extension of the adjustment bolt is supported by a spring, the actuator is placed in the correct position in the door frame as the spring is compressed or relaxed as the adjustment bolt rotates. When the actuator is in the required position in the upper door frame, fasten the actuator by fastening the two side adjustment bolts and fix the connecting plate to the bottom plate of the upper door frame with bolts.

A fixing plate was installed on the bottom of the upper door frame, and the fixing plate was formed with a hole for inserting the actuator into the upper door frame. This hole has the same contour as that of the implement. The inner surface of the side wall of the upper door frame described above may be reinforced by attaching a reinforcing plate to a portion in contact with the adjustment bolt.

The connecting plate is attached to the bottom of the implement by welding or by suitable fastening means such as bolts. When the position of the implement is fixed, bolt the connecting plate attached to the bottom of the implement with bolts to the bottom of the upper door frame.

The connecting rod of the above-described operating mechanism protrudes downward through the hole formed in the upper door frame. The connecting rod has an elliptical cross section so as to be inserted into a groove formed in the upper plate so as to transmit the rotational force of the door to the operation mechanism. After the above-described operating mechanism is installed in the upper door frame, a fixing plate is attached to the bottom of the upper door frame to prevent the operating mechanism from being separated from the door frame and at the same time, the periphery of the hole is not visible from the outside.

The present invention also relates to a door support for supporting the glass door from below. The door support includes a support plate formed with a central hole, a connecting rod inserted into the central hole of the support plate, a connecting pipe installed below the rotating plate, a spring receiving chamber coupled to the bottom of the connecting pipe and fixed to the floor of the building, and a spring supporting the connecting rod from the bottom thereof. do.

The support plate has a central hole into which the connecting rod is inserted into the groove of the connector installed in the lower plate, and the central hole is formed to have a width larger than that of the connecting rod so that the connecting rod can be freely lifted and raised. The support plate has a screw hole radially formed in the main wall of the central hole so that the bolt can be fastened into the central hole so as to protrude into the central hole. In addition, a hole in which a fixing bolt is inserted is formed around the central hole of the support plate.

The connecting pipe is installed separately on the bottom of the rotating plate. The connector has a hole in the center through which the connecting rod passes, which has a jaw that allows the screw portion of the connecting rod to pass but not the cylindrical lower end of the connecting rod. Female threads were formed on the inner circumferential surface of the lower end of the hole. The jaw is formed at the connection of the upper end of the hole and the lower end of the female thread. On the inner circumferential surface of the upper end of the connecting tube, protrusions were formed to protrude radially inward.

The connecting rod was composed of a screwed upper end and a columnar lower end. The diameter of the cylindrical lower end was made larger than the diameter of the upper end of the screwed end. The connecting rod described above has a jaw at the portion where the screw portion at the top and the columnar portion at the bottom are connected. The connector is also provided with an axial key groove on the outer circumference of the upper screw portion. This groove serves to prevent the connecting rod from rotating by inserting a projection formed in the inner circumferential surface of the central hole of the connector. The spacing between the peaks of the screw described above has a spacing enough to accept the end of the bolt that is coupled to the screw hole of the rotating plate. Therefore, when the rotating plate rotates in a state where the end of the bolt inserted into the screw hole of the rotating plate is located between the mountains of the screw described above, the connecting rod moves up and down relative to the rotating plate.

The upper end of the spring receiving chamber is screwed to the female screw of the above-mentioned connector, and a spring is installed inside the spring receiving chamber. This spring supports the bottom of the connecting rod. The upper end of the connecting rod formed with the screw is projected over the rotating plate, and is inserted into the groove of the connector installed in the lower plate of the door and coupled.

The upper and lower plates were respectively provided with a connector which constitutes a groove to which the upper and lower connecting rods are coupled. Since these connectors are well known, a detailed description thereof will be omitted. The connector of the upper plate has a block having a rectangular groove having an elliptical cross section in which upper connecting rods are coupled inside the left and right side walls. The block has an oval-shaped groove, and the side wall is formed with a screw hole through which the bolt passes, and a bolt penetrating the left and right side walls of the connector is fastened to the screw hole. When the bolt fastened to the screw hole formed in the side wall of this block, the connector could move to left and right. The lower connector has the same configuration as the upper connector, but the groove formed in the connector of the connector has a difference formed in a circular cross section so as to fit the outer shape of the coupling rod of the support.

According to the present invention, since the operating mechanism 1 is installed in the upper door frame 3, it is not necessary to dig the already finished building floor widely, thereby simplifying the door installation work and not requiring much manpower and time to install the door. There is this. In addition, according to the present invention, a cover plate covering the excavated portion is not required to install the operation mechanism 1 on the floor, so that the building floor is clean, and the risk of damaging the appearance of the building by damage or damage to the cover plate is reduced. In particular, the present invention has the advantage of simplifying the installation of the operating mechanism.

In addition, according to the present invention, if the position of the door is wrong, it is simple to adjust it.

In particular, according to the support of the present invention, when the door is installed, the operation of inserting the door between the upper and lower connectors is performed only by the operation of the support plate 6, thereby providing an advantage of simplifying the installation of the door. In addition, there is an advantage that the structure of the support supporting the door from below is simple and the structure of elevating the connecting rod is simplified.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a schematic view showing a tempered glass door in which a door opening and closing device according to the present invention including an operating mechanism 1 is installed. The door opening and closing device of the present invention includes an actuating mechanism (1), the actuating mechanism (1) is installed so that the connecting rod (4) protrudes downward in the upper door frame (3) of both glass door (2), building A support 6 was embedded in the floor 5 and the connecting rod 7 of the support protruded upwards above the building floor. In addition, the upper and lower ends of the door 1 are provided with an upper plate 8 and a lower plate 9, and the upper plate and the lower plate have connecting grooves 10 and 11 having grooves coupled to the connecting rods 4 and 7, respectively. Installed.

2 and 3 are cutaway and perspective views of the perspective view and the bottom of the operating mechanism 1 according to the present invention. According to Figs. 2 and 3, the actuating mechanism 1 installed inside the upper plate has a sealed structure that is hydraulically operated, and the door is temporarily stopped when the door is rotated at a predetermined angle, for example, 90 ° and 110 °. It serves to maintain.

According to FIG. 3, the above-described operating mechanism 1 includes a casing 19, a spring accommodating chamber 13 formed inside the casing, a rotating disc 14 installed inside the casing and configured to rotate in accordance with the rotation of the door, and inside the hydraulic chamber. And accessories such as springs 15 installed therein. The rotating disc 14 described above is formed such that the connecting rod 4 having an elliptical cross section coupled into the groove of the connector 10 installed in the upper plate 8 of the door 2 protrudes downward, and the connecting rod 4 is an upper door frame. It protruded below (3). When the disc 14 rotates in accordance with the rotation of the door, the above-described disc 14 has left and right grooves 17 and 18 for inserting a pin 16 fixed to the casing according to the rotation angle to temporarily stop the rotation of the door. I have it right. The internal structure and operating principle of such a mechanism are already well known in the art, and thus a detailed description thereof will be omitted.

4 is an exploded perspective view illustrating a state in which the operating mechanism 1 is coupled to the upper door frame 3, wherein the above-described operating mechanism 1 is installed in the upper door frame 3, and the bottom plate of the upper door frame 3 ( 3c) is formed with a hole 24 into which the above-described actuating mechanism is inserted, through which the actuating mechanism is inserted into the upper door frame 3.

According to FIG. 4, the casing 19 of the actuating mechanism 1 has two protruding portions 20, 21 on both sides of the hydraulic chamber plug 31 at the opposite end of the position where the connecting rod is installed. The protrusions 20 and 21 are formed with screw holes 22 and 23 to which the adjustment bolts 28a and 28b are fastened, respectively, and the one side protrusion 20 supports the spring 27a. A spring support 27 was formed. On both side walls of the upper door frame 3 described above, a long hole 25 in the longitudinal direction was formed at a position in line with the screw holes 22, 23 of the protrusions 20, 21 described above.
As shown in FIG. 6, a reinforcing plate 26 may be attached to an inner surface of the sidewall of the door frame in which the aforementioned long holes are formed. The width of the above-mentioned long hole 25 is formed smaller than the outer diameter of the adjusting bolts 28a and 28b so that a tool such as a + screw driver is inserted but the adjustment bolt does not come out of the long hole.

The connecting plate 30 is welded and fixed to the surface on which the connecting rod 4 of the operating mechanism 1 protrudes. This connecting plate has a plurality of threaded holes 30a at both ends. In the operating mechanism 1 installed inside the upper door frame 3, the bolt 60 inserted into the hole 30d formed in the bottom plate 3c of the upper door frame 3 is fastened to the screw hole 30a so that the upper door frame Is fixed inside. After the actuator is fixed in the upper door frame 3, the fixing plates 32a and 32b are attached to the bottom of the upper door frame 3 with bolts 61. The fixing plate 32 was composed of two fixing plates 32a and 32b, and the width and length of the two fixing plates 32 were formed to be large enough to cover the periphery of the hole 31 formed in the upper plate. Therefore, the opening / closing mechanism accommodated in the top plate is not detached from the top plate, and the periphery of the hole is also invisible to the outside.

In general, when the actuating mechanism 1 is not placed at the correct position in the upper plate, the left and right doors are not placed in a straight line. If the direction of the operation mechanism is changed and the left and right doors are not aligned, the connecting rod (by moving the end of the operation mechanism in the upper door frame by rotating the bolt 28b fastened to the screw hole 23 of the protrusion 21). 4) is rotated, the left and right doors are in a straight line.

5 is a cross-sectional schematic view from the side showing a state in which the operating mechanism 1 is installed inside the upper door frame 3. According to Figure 5 can be seen that the operating mechanism (1) is installed horizontally inside the door frame. The diameter of the bolt 28a was formed larger than the width of the long hole 25, and the spring support 27 and the spring 27a formed in the protruding portion 20 are located above the bolt hole 23. The connecting plate 30 is attached to the upper surface of the bottom plate 3c of the upper door frame 3 with the bolt 60 and the fixing plates 32a and 32b are the bottom surface of the bottom plate 3c of the door frame with the bolt 61. Attached to

Figure 6 is a schematic view looking down with the top plate of the upper door frame removed. A reinforcing plate 26 is attached to the side walls 3a, 3b of the upper door frame 3 to which the adjustment bolts 28a, 28b contact.

In Figures 4 and 5 6, the connecting plate 30 is fixed to the bottom of the upper plate with only one bolt, but in practice, a plurality of bolts are provided at the proper position of the bottom plate 3c and the connecting plate 30 and the fixing plate of the door frame. It is used for fixing the 32a and 32b.

7a and 7b show the adjustment of the operating mechanism. According to FIG. 7A, the outer end of the bolt 28b is rotated by using a tool until it contacts the inner surface of the side wall of the upper plate. In this state, the outer end of the bolt 28b is rotated by the right side wall ( 3a) Since the casing 19 is fixed to the inner surface, the casing 19 is moved to an appropriate position to the left so that the end of the required operating mechanism is fixed to the required position. In this state, the connecting plate 30 attached to the bottom of the operating mechanism and the bottom plate 3c of the upper door frame 3 are fixed, and the fixing plates 32a and 32b are disposed below the bottom plate of the upper plate. When fastened by fastening, the installation of the actuator in the upper door frame is completed.

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8 is a perspective view showing a state of engagement of the support 6, Figure 9 is an exploded perspective view of the support. According to FIGS. 8 and 9, the support 6 includes a support plate 34, a drive tube 35, a spring receiving chamber 36 and a connecting rod 7.

9 is an exploded perspective view of the support, according to FIG. 9, wherein the support plate 34 is composed of a hexagonal plate for easy rotation, and has a hole 34a in the center and a bolt hole (a) around the hole 34a. Has 38). A bolt hole 39 penetrating from the outside of the side wall to the inside of the center hole was formed in the circumferential wall of the support plate 34, and the bolt 40 was fastened to the bolt hole 39. The above-described bolt hole 39 is preferably formed in the groove so that the bolt does not catch on other objects. Below the support plate 34, the operation pipe 35 is installed to be separated from the support plate 34. The operating tube 35 has a hole 35a at the center thereof, and a protrusion 45 is formed on the inner circumferential surface of the hole 35a so as to protrude radially inward, and a protrusion 41 is formed on the outer circumferential surface of the operating tube 35. And the screw hole 42 is formed in the above-described protrusion 41 to be coupled to the support plate 34 by a bolt 43 inserted into the bolt hole 38 formed in the upper support pipe 34. It became. A female screw was formed in the lower end of this center hole 35a. The upper end of the spring housing chamber 36 is screwed into the female thread of this center hole 35a. The hole 35a described above has a width of the upper end portion where no screw is formed is smaller than the width of the lower end portion on which the screw is formed, and thus the jaw 35b is formed at a portion where the upper end portion and the lower end portion are connected.

The connecting rod 7 has a screw on the outer circumferential surface of the upper end portion 7a and has a key groove 44 penetrating the peak portion of the screw in the longitudinal direction. The lower end 7b of the connecting rod was formed in a columnar shape. Screw diameter of the upper connecting rod is formed smaller than the diameter of the lower portion (7b), the jaw 45 is formed in the portion where the screw portion and the cylindrical portion is connected.

The bolt 40 coupled to the support plate 34 described above has a diameter such that it can be inserted into the key groove 44 formed between the peaks 7c of the screw. Therefore, when the bolt 40 is inserted so as to penetrate into the central hole 34a of the support plate 34, the inner end of the bolt 40 can be inserted between the threads of the screw.

The spring accommodating chamber 36 was formed in a cylindrical shape with the lower end closed and a spring 37 was installed to support the lower end of the connecting rod 7 therein. The spring receiving chamber 36 described above is embedded in the floor 5 of the building to serve to fix the support 6 to the floor of the building.

According to this configuration, the connecting rod 7 allows the upper end portion 7a of which the screw is formed to be elevated from the hole 34a of the support plate and the hole of the operation tube, but the outer diameter portion 7b has a larger outer diameter than the aforementioned holes. So that only the screw portion protrudes above the support plate and the columnar portion is lifted only in the spring receiving chamber 36.

Referring to the assembly process of the above-described support (6) as follows. The spring 37 is inserted into the spring accommodating chamber 36, and the connecting rod 7 is installed above the spring. The operation pipe 35 is coupled to the spring receiving chamber 36 so that the projection 45 formed in the central hole 35a is inserted into the key groove of the connecting rod 7. Join the support plate 34 with the bolt 40 reversed thereon, insert the bolt 40 so that the inner end is located between the threads of the screw, and then use the bolt 43 to support the support plate 34 with the bolt of the operating pipe 35. When fastened to the hole 42, the assembled state as shown in FIG. In this state, if the bolt of the support plate 34 is reversed so that the inner end of the bolt is pulled out between the screws, the projection 45 of the operation pipe 35 is out of the key groove 44 of the connecting rod 7. The connecting rod 7 is free to be elevated by the spring 37. However, since the jaw 45 of the connecting rod 7 is caught by the jaw formed on the inner circumferential surface of the operating tube, the cylindrical lower end portion 7b of the connecting rod 7 cannot rise above the jaw 35a formed in the hole of the operating tube 35. do.

Figure 10a shows the installation state of the door and the structure of the connector (11). When installing the door, first digging a small hole enough to insert the spring housing chamber 36 in the building floor (5) and embed the spring storage chamber in the hole to fix the spring storage chamber on the building floor. The bolt 40 is then loosened and the support plate 34 is rotated so that the top surface of the connecting rod 7 is flush with the surface of the support plate 34 and the bolt 45 is inserted so that the inner end is between the screws of the screw. Press the upper end of the connecting rod 7 together with the support plate 34 so that the bottom of the support plate 34 contacts the upper surface of the operation pipe 35, and fasten and fix the bolt 43, and then slide the door over the door. The groove 49 formed in the door frame is placed on the connecting rod upper surface in line with the connecting rod 7.
10A and 10B show the installation state of the bottom of the door. When the bolt 43 is dismantled so that the support plate 34 is separated from the operation pipe 35 and the bolt 40 is inserted to rotate the support plate 34. As the connecting rod 7 is raised, the upper end of the connecting rod is inserted into the groove 49 such that the lower end of the door is coupled to the support 6 as shown in FIG. 10B.

According to this configuration, the lower end of the door is not caught by the connecting rod when the door is installed.

The structure of the connector is already known and will be described briefly. The connector 11 is fixed inside the lower plate by a suitable method such as welding. The connector 11 has left and right side walls 47a and 47b, and a connecting pipe 48 formed with connecting rod insertion grooves 49 is provided inside the two side walls. Both sidewalls of the connector 11 and the connector 48 described above were formed with bolt holes for screwing the bolt 51. The bolt was inserted through the hole formed in the connector and the connector described above, and the nut 52 was fastened to the outer end of the bolt. Rotating the bolt 50 causes the bolted and screwed connector 48 to move from side to side between the side walls of the connector 46 to be placed in the position required by the groove 49. When the block is moved and placed in the required position, the nut 52 is fastened and fixed.

FIG. 11 is a perspective view showing a block 48 constituting the connector 12 used for the upper plate in FIGS. 10A and 10B. The connector 12 used for the upper plate is different from the connector 11 for installing the lower plate in the elliptical groove 53 inside the filter ball.

Figure 12 shows a modification of the connector installed on the upper plate and the lower plate. This connector is welded and fixed with a reinforcing extension portion 54 so as to be stably supported on the upper or lower plate. This extension part serves to secure the connector 11 securely to the door frame.

1 is a front view of a door equipped with an operating mechanism used in the present invention,

2 is a perspective view of the operating mechanism used in the present invention,

3 is a schematic view showing the inside of a known operating mechanism;

Figure 4 is an exploded perspective view showing a state in which the operating mechanism used in the present invention installed on the door frame,

5 is a schematic view showing an operating mechanism installed inside a door frame,

Figure 6 is a schematic view from above of the operating mechanism installed inside the door frame,

Figure 7a is a cross-sectional view showing a state before adjusting the position of the operating mechanism installed inside the door frame,

7b is a sectional view showing a state in which the position adjustment of the operating mechanism installed inside the door frame is completed;

8 is a perspective view showing the assembled state of the support according to the present invention,

9 is an exploded perspective view of the support according to the present invention,

Figure 10a is a cross-sectional view showing the position of the connector and the connecting rod in the process of installing the door using the support according to the present invention,

10B is a cross-sectional view when the door installation is completed using the support according to the present invention,

11 is a perspective view showing a block used for the connector of the top plate,

12 is a cross-sectional view showing a modification of the connector used in the present invention.

Claims (8)

A tempered glass door opening and closing device comprising an actuating mechanism for stopping momentarily when the door is rotated at an angle;  It is installed inside the upper door frame (3) is coupled to the connector installed inside the door top plate, the control bolt 28a coupled to the two projections 20, 21 formed to protrude at one end of the casing (19), An actuating mechanism 1 in which the installation position is adjusted by 28b; The support plate 34 is installed on the ground of the lower part of the door to support the door, has a center hole, and has a screw hole penetrated to the center hole on the side wall, and is provided in the lower part of the support plate and in the axial direction around the center hole. An actuating tube 35 having 35c), a spring accommodating chamber 36 coupled to the actuating tube and accommodating a spring therein, and a screw formed at an upper end thereof, a lower end formed in a circumferential shape, and an axial key on the screw portion The door support consists of a connecting rod (7) installed inside the spring receiving chamber so that the groove is formed and the upper end protrudes over the support plate. Door opening and closing device comprising. delete delete 2. The glass door opening and closing device according to claim 1, wherein one of the two projections 20 has a spring support 27, and a spring 27a is installed between the spring support and the inner circumferential surface of the side wall of the top plate. . delete A support for supporting a lower end of a door on which an actuator is installed on a top plate, the support having a hole in the center and a support plate 34 having a screw hole 39 penetrated to the center hole on the side wall around the center hole. Is installed in the lower part of the support plate to be coupled to the bottom surface of the support plate by a bolt and has a radial projection (35c) around the central hole, coupled to the operating tube below and receiving the spring therein A screw is formed in the spring receiving chamber 36 and the upper end, and the lower end is formed in a circumferential shape, and an axial key groove 44 is formed in the screw portion, the upper end protrudes above the support plate, and the bottom is supported by the spring. Door support consisting of connecting rods (7) installed on the door. 7. The support rod of claim 6 has a bolt 40 fastened to a screw hole 39 formed on the side wall of the support plate 34, and an end of the bolt is inserted between the peaks of the screw of the connecting rod 7 to connect the connecting rod. Support characterized in that the lifting of the The door support according to claim 6, wherein the projection (45) of the support plate (34) is coupled to the key groove (44) of the outer circumference of the connecting rod (7) so that the connecting rod is lifted.

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