KR20040052613A - Connecting member having roller adaptable to corner of blackboard - Google Patents

Abstract

PURPOSE: A connecting member having a roller adaptable to the corner of blackboard for facilitating the manufacturing process is provided to easily connect and disconnect a roller. CONSTITUTION: The connecting member having a roller adaptable to the corner of blackboard including a main body part in the elbow shape with a fixing and connecting part being fixed and connected after being inserted to a corner of the blackboard and a corner bonding material of the blackboard comprising of a frame connecting part being inserted to the frame after being installed to both edges of the main body comprises; a engaging hole(8) forming to be faced each other at the behind and front face part of the frame connecting part and installing a roller(5) to the corner bonding material to be injection molded as a body to the groove forming at a regular depth for holding the roller(5), a space(9) forming a groove at a regular depth upward from the bottom face of the frame connecting part and forming the engaging hole(8) being connected and penetrated from the behind and front face part of the frame connecting part to be faced each to the front wall of inner part being chamfered at a regular depth upward from the lower part face opened, a shaft(7) penetrating the penetrate hole formed to the center of the roller(5) at the space(9) and being inserted into each of the engaging hole(8), a roller(5) being horizontally moved leftward and rightward along the rail after being engaged as a body to the space by the shaft(9).

Description

Edge binders for roller-mounted boards {omitted}

The present invention relates to a corner-mounted material with a roller that is disposed on the left and right sides of the fixed main blackboard, and is used to slide the sliding blackboard moving horizontally to the front of the main blackboard when necessary to perform the auxiliary function of the main blackboard.

In a blackboard structure having a main blackboard, which is usually located at the center of the blackboard, is installed in front of the blackboard, and a sliding board disposed at the rear of the auxiliary member provided at the left and right sides of the blackboard to perform the auxiliary function of the blackboard. The sliding board moves along the rail installed on the lower frame of the blackboard frame, and when used, is horizontally moved to the center of the main blackboard to be exposed to the participant's view, and auxiliary members are installed at left and right sides of the main blackboard when not in use. Return to the back of the. The sliding board is composed of a rectangular blackboard body, a frame surrounding the edge of the blackboard body, and a corner bonding material interconnecting the frame at the edge of the blackboard. The corner binder is used to interconnect two frames perpendicular to each corner of the board.

Conventional moving means consisted of a fixed body which is fixed and installed on the bottom of the lower frame of the sliding board with a fixing screw and a roller installed to be rotated on the fixed body. The sliding board and the moving means are manufactured separately and then assembled together.

In general, a board having a sliding board installed as a subsidiary board has a guide groove formed in the upper frame so that the guide part formed by protruding from the upper frame of the sliding board is inserted and moved, and the rail is fixed to the lower frame of the board by nails. Thus, the upper surface of the rail is configured to move the roller installed on the bottom of the lower frame of the sliding board.

Therefore, it is necessary to mark the part of the sliding board to which the moving means is attached, and to attach the moving means by using screws etc., and the rollers are skewed without making a straight line with the position of the rail. There is a risk of losing phenomenon, and also due to the process of manufacturing and attaching the chalkboard and the moving means separately, there was a defect that increases the manufacturing cost. In addition, if the roller of the moving means is damaged, after removing the fixed body to replace the roller and the sliding means was to attach the moving means to the lower frame of the sliding board again with screws. Conventional means of transportation has a problem that the maintenance work is not easy because the separation work is cumbersome.

The present invention is to solve the problems of the prior art as described above, an object of the present invention is to provide an excellent sliding board moving means that is easy to manufacture and easy to install and remove the roller.

1 is a perspective view of a sliding board according to the present invention.

2 is an exploded perspective view of the present invention.

Figure 3 is a perspective view of the blackboard according to the present invention.

4 is a side cross-sectional view of the AA ′ portion of FIG. 3.

<Explanation of symbols for main parts of drawing>

1: sliding board 2: body of the sliding board

3: frame of sliding board 4: opening part of frame

5: roller 6: through-hole of roller

7: shaft 8: fastener

9: space department 10: main blackboard

11: rail 12: body portion of the corner bonding material

13 frame connection portion of the corner bonding material 14: corner bonding material

15: blackboard frame

The present invention is a board of the overall shape is 'b' shape, consisting of a body portion including a fixed coupling portion that is inserted and fixed to the corner portion of the blackboard body, and a frame connection portion provided on both ends of the body portion is inserted into the frame In the corner joining material of the roller, the roller is mounted on the corner joining material which is integrally injected and molded in a configuration in which a groove having a predetermined depth is formed in the lower part, and is formed at positions opposite to the front and rear portions of the frame connecting part, respectively. Fasteners; The groove is formed by digging a predetermined depth upward from the bottom of the frame connecting portion, and the fastening holes communicated from the front and rear portions of the frame connecting portion are opposed to each other on the front and rear walls of the inside which are dug deeply upward from the open lower surface. A space portion; A shaft which penetrates through holes formed in the central portion of the roller in the space portion and is fitted into respective fastening holes formed at opposite ends thereof; It is integrally coupled to the space portion by the shaft is a corner bonding material of the board equipped with a roller, characterized in that it comprises a roller that moves horizontally from side to side along the rail.

The present invention relates to an edge bonding material mounted on a roller as a moving means installed at the lower edge of the sliding board and used when sliding the sliding board.

More specifically, the overall shape is a 'b' shape, the body portion including a fixed coupling portion is inserted into the corner portion of the blackboard body is fixed and coupled is formed, it is provided at both ends of the body portion consisting of a frame connecting portion inserted into the frame In the corner joining material of the board, the present invention is characterized in that the manufacturing process is a roller formed in the corner joining material which is integrally injected and molded in a configuration in which a groove of a predetermined depth is formed in the lower part receiving the roller, Fastening holes respectively formed at positions opposite to the front and rear portions; The groove is formed by digging a predetermined depth upward from the bottom of the frame connecting portion, and the fastening holes communicated from the front and rear portions of the frame connecting portion are opposed to each other on the front and rear walls of the inside which are dug deeply upward from the open lower surface. A space portion; A shaft which penetrates through holes formed in the central portion of the roller in the space portion and is fitted into respective fastening holes formed at opposite ends thereof; It is characterized by a configuration including a roller which is integrally fastened to the space portion by the shaft and horizontally moved along the rail.

The corner binder that connects the frame that surrounds the rectangular outer circumference of the blackboard body of the sliding board at the corners of the board is generally 'b' shaped, and the two front and rear fixed plates are mutually constant at the angled angles. A fixed coupling part protruding symmetrically at intervals is integrally formed, and a frame connection part is formed to be strictly inserted into the frame, and the edge portion of the blackboard body is strictly inserted between the two fixing plates of the fixed coupling part to be fixed and coupled. Two frames perpendicular to each other are joined by the corner binder.

Edge joining material of the present invention is to be installed at both ends of the lower frame of the four corner joining materials respectively installed at four corners of the sliding board.

A chalkboard having a main blackboard, which is usually located at the center of the chalkboard, is installed on the front of the chalkboard, and is disposed on the left and right sides of the main chalkboard, and is horizontally moved to the front of the main blackboard if necessary to perform the auxiliary function of the main chalkboard. In the structure, the sliding board is moved along the rail installed in the lower frame of the blackboard, horizontally moved to the center of the main blackboard when used, exposed to the field of view of the learner, and is installed on the left and right sides of the main blackboard when not in use The back side of the auxiliary member is returned.

The sliding board consists of a rectangular chalkboard body, a frame surrounding the rectangular outer periphery of the chalkboard body, and a corner bonding material interconnecting the frame at the edge of the chalkboard.

The present invention does not provide a separate moving means on the bottom of the lower frame of the sliding board, the roller is integrally incorporated in the corner joining material constituting the lower corner made of the lower frame and the left and right frames of the sliding board, Not only the mounting method is simple, but also configured to facilitate maintenance in the repair of the trouble after the mounting of the roller, the sliding board is moved to the front of the main board when used while orbiting the rail along the rail, When in use, it provides an effect as an excellent moving means in performing the opening and closing function to return to the back of the auxiliary member installed on the left and right of the main blackboard.

Looking at the sliding board installed in the lower corner of the corner bonding material of the present invention, the structure is moved along the rail by the roller, the guide portion is formed in the upper frame of the blackboard protruding from the upper frame of the sliding board by forming a guide groove, etc. It is configured to be inserted and moved, the edge of the lower frame of the sliding board is installed on the corner engaging material equipped with the roller of the present invention, the sliding board is rotated by rotating the upper surface of the rail is installed on the lower frame of the blackboard Configure it to move.

At this time, the roller is formed to form a circular groove circumferentially so that it can be rotated along the rail and configured so that a portion of the lower end of the roller protrudes outside the lower end of the corner bonding material.

Hereinafter, the configuration of the corner bonding material according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a sliding board is installed in the corner bonding material of the lower edge of both sides of the present invention, Figure 2 is an exploded perspective view of the present invention, Figure 3 shows that the sliding board is installed on the blackboard frame is installed corner bonding material of the present invention. 4 is a perspective view, and FIG. 4 is a sectional view taken along the line AA ′ of FIG. 3.

As shown in Figure 1, the sliding board is composed of a blackboard body, a frame surrounding the square outer periphery of the blackboard body, and a corner coupling material interconnecting the frame at the edge of the blackboard.

As shown in FIG. 3, the sliding board is inserted into a rectangular frame of a blackboard having a main blackboard and auxiliary members disposed on the left and right sides of the main blackboard, and is located on the back side of the auxiliary member, if necessary. Go to the front and perform the secondary functions of the main board.

In the lower frame of the blackboard, a rail is formed in the longitudinal direction of the blackboard frame, and a roller corresponding to the rail is mounted on the lower corner coupling member to guide the left and right moving directions of the sliding board.

Figure 2 is an exploded perspective view of the present invention, as shown in Figure 2, the corner coupling member is provided with a body portion including a fixed coupling portion is fixed and coupled to the corner portion of the blackboard body is inserted, the body portion is provided on both ends of the frame Consists of a frame connector to be inserted.

In the manufacturing process, the corner bonding material is injection molded integrally into the 'b' shape before mounting the roller, in which case a mold having a groove having a predetermined depth is formed in the lower portion of the frame connecting portion to accommodate the roller. After the injection molding or the whole injection molding in the 'b' shape, the groove may be formed on the bottom of the frame connecting portion. Since the corner bonding material is an integral type, even if time passes, a part of the corner binder is separated and the roller is not inclined or detached. Therefore, the present invention is very stable as a moving means.

In the frame connecting portion of the present invention, the corner coupling member has a groove having a predetermined depth for accommodating the roller in the lower portion, and fastening holes for fitting the shafts at opposite positions to the front and rear portions are formed in the rollers in the grooves, respectively. It is characterized by the configuration that is mounted. In order to accommodate the roller, the space portion formed by digging a groove deeply from the bottom of the frame connecting portion upwardly has a lower surface open and a fastening hole communicating from the front and rear portions of the frame connecting portion facing each other on the front and rear walls thereof. It is formed. The shaft is inserted from the outside to penetrate the through-hole formed in the central portion of the roller in the space portion, the both ends are fitted into the respective fastening hole, the roller is integrally fastened to the corner member. The length of the shaft is made approximately equal to the width of the frame connection.

The space portion is a groove configured to accommodate the roller, which is formed in the bottom of the frame connecting portion, the bottom surface of which is opened in a substantially rectangular shape to form an opening through which the roller is inserted from the outside, and the inner wall of the front and rear to fit the shaft The fastening hole is formed.

The fastening hole communicates from the front and rear parts of the frame connection part to the inside of the space part, and is formed on the inner wall facing the space part. When the roller is seated, both ends of the shaft penetrating through the through hole formed in the center part of the roller are fitted into the holes. The shaft functions as a roller shaft when the roller moves as it rotates.

The edge coupling member of the present invention equipped with a roller by the above configuration is connected to the frame while being inserted into the lower frame of the sliding board, the structure of the lower frame, as shown in Figure 2, a hollow space is formed therein The center part is closed in the longitudinal direction of the frame, and one side is formed with a portion into which the blackboard body is inserted, and the other side is divided into a portion into which the frame connecting portion of the corner binder is inserted. The rollers are formed to be spaced apart from each other by the width of the space in which the rollers are mounted to provide an opening in which the rollers protrude out of the frame. The rollers mounted on the corner joining members are formed in a circumferential annular groove, and the lower end portion of the roller is configured to protrude out of the corner joining materials. The roller is attached to the lower edge engaging material is inserted into both ends of the lower frame of the sliding board and connected to the frame, and the roller is configured in the lower frame while protruding to the opening of the frame.

The protrusion of the roller is a portion where the roller is rotated while the upper surface of the rail is inserted into the annular groove.

In general, the manufacturing process of the blackboard, the rectangular blackboard body, the upper, lower, left and right of the frame and the corner bonding material is manufactured separately, and the corner bonding material is first installed at both ends of the upper and lower frames, and the corner bonding material is It consists of a process of fitting the outer periphery of the body to the upper and lower frames and the left and right frames provided at both ends.

Therefore, when assembling the frame of the sliding board, the rollers are fastened to the lower frame at the same time, so there is no need to attach a separate roller, so the work process of the moving means is easy. Since it is in a straight line, the position of the roller does not have to be skewed.

As an embodiment of the present invention, it is possible to configure a space and a fastening hole for mounting a roller, respectively, on both side frame connecting portions forming both ends of the corner binder. That is, spaces in which the rollers can be mounted are respectively formed in the bottoms of the frame connecting portions on both sides, and fastening holes communicating to the front and rear walls of the inside of the space portions are formed to face each other at the front and rear portions of the frame connecting portions. Configuration.

In addition, the corner binder is removed from the frame of the sliding board to remove the shaft and the roller can be separated, so that it is easy to repair the damaged roller.

As described above, the present invention incorporates a roller in the corner joining material constituting the sliding board, and thus, the roller is fastened to the sliding board at the same time during the manufacturing process of the sliding board, so that the moving means does not need to be manufactured and attached separately. Not only is the work process simple, it is also configured to facilitate the installation and maintenance of the rollers.

Therefore, the edge bonding material of the present invention, the sliding board can be said to be an excellent moving means in performing the auxiliary function of the main blackboard.

As described above, the edge bonding material according to the present invention is an excellent moving means configured not only to install the moving means on the sliding board by installing the rollers therein, but also to simplify the work process and to simplify the installation and removal of the rollers.

Claims (1)

The overall shape is a 'b' shape, the edge portion of the board consisting of a body portion including a fixed coupling portion is inserted and fixed and coupled to the edge of the body, and the frame coupling portion provided on both ends of the body portion inserted into the frame The fastening hole is mounted to the edge coupling member integrally injection-molded in a configuration in which a groove having a predetermined depth is formed in the lower portion, and fastening holes formed at positions opposite to each other in the front and rear portions of the frame connecting portion; The groove is formed by digging a predetermined depth upward from the bottom of the frame connecting portion, and the fastening holes communicated from the front and rear portions of the frame connecting portion are opposed to each other on the front and rear walls of the inside which are dug deeply upward from the open lower surface. A space portion; A shaft which penetrates through holes formed in the central portion of the roller in the space portion and is fitted into respective fastening holes formed at opposite ends thereof; Edge-joining member of the board equipped with the roller, characterized in that it comprises a roller which is integrally fastened to the space portion by the shaft and horizontally moved along the rail.