KR20040052856A - Frame of black board - Google Patents

Abstract

PURPOSE: A frame of a black board is provided to be assembled freely according to the size of the black board. CONSTITUTION: The frame of a black board which is assembled by edgy connectors to connect left side, right side, upper side and lower side frames comprises: an upper side frame(3) having a pad and supporter in the longitudinal direction on its bottom side; a lower side frame(4) having a pad and fixing groove in the longitudinal direction on its upper side in the longitudinal direction; and a fixing stick inserted into the fixing groove by force, wherein a upper side of the black board(1) is inserted between the pad and the supporter and a lower side of the black board(1) is placed on the pad of the lower side frame(4), thereby the black board is fixed to the frames(3,4).

Description

Blackboard framework {omitted}

Generally, several boards, including sliding boards, made of various forms such as sliding boards are installed in one frame, and the board frame is made of wood so that the desired blackboard can be opened and used as needed.

Since the frame of the board is made of wood, its weight is heavy, making it difficult to handle, and the length of the upper and lower frames could not be made of one wood. In order to install the sliding board, guide grooves should be formed in the upper frame in the longitudinal direction, and the lower frame should be attached using nails or screws to fix and install the guide rails in the longitudinal direction. There was a flaw.

In addition, the board frame is made of wood in the left and right frame and the upper and lower frames in the installation place such as school classroom or classroom due to the burden on the size, and the corners are interconnected to form a square frame. It can be fixed with nails, or it can be processed by assembling the corners into an integrated structure, and the separate 'b' shaped supports are arranged in the longitudinal direction on the lower part of the upper frame and the upper part of the lower frame. And attach it with nails or screws, and place the back of the main board in contact with the support, and then make a separate 'b' shaped support back to the front of the main board to the lower part of the upper frame and the upper part of the lower frame. Direction is very small to fix the main board by assembling several to several dozen with nails or screws The up process has many drawbacks.

The present invention has been made to solve the above-mentioned drawbacks, the left and right frame and the upper and lower frames constituting the blackboard frame extruded and molded in aluminum or plastic to have a certain thickness, but freely according to the specifications of the blackboard frame When extruded, the upper frame has guide grooves and supports for fixing the sliding board, and the lower frame secures and holds the guide rails and the main blackboard for installing the sliding board. Mass production is possible by extruding and molding so that the base and fixing groove for repair can be formed, and the material is made of aluminum or plastic, so the weight can be remarkably lightened, so it is very convenient to handle, and the left and right frames, upper and lower parts Simply insert the Mori part, which is the connecting part of the frame, into a separate synthetic resin connecting part. To improve productivity by significantly shortening the manufacturing process of the blackboard frame, and to facilitate the fixed installation and maintenance of the main board without the need to make a separate 'b' shaped support for the fixed installation of the main board. The purpose is.

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

2 is an exploded perspective view of the blackboard frame according to the present invention.

3 is a perspective view of the upper frame according to the present invention.

4 is a perspective view of a lower frame according to the present invention.

5 is a cross-sectional view of the main blackboard fixed to the frame of the blackboard.

<Explanation of symbols on the main parts of the drawing>

1: blackboard 2: sliding blackboard

3: upper frame 4: lower frame

5: left frame 6: right frame

7: corner connector 8: holder

9: base of the upper frame 10: support

11: guide groove 12: bulkhead

13: base of the lower frame 14: fixing groove

15: guide rail

The present invention is produced by simply connecting the left and right frame and the upper and lower frames constituting the blackboard frame with the corner connecting portion, the upper frame to facilitate the fixing, installation, maintenance of the blackboard between the upper and lower frames The bottom of the support and the support is formed in the longitudinal direction, the upper surface of the lower frame and the support groove is formed in the longitudinal direction, between the support and the support of the upper frame by inserting the fixing means into the fixing groove by the method It relates to a blackboard frame, characterized in that the blackboard is fixed to the frame by inserting the upper portion of the blackboard in the lower frame on the base of the lower frame.

In addition, the upper and lower frames and the upper and lower frames constituting the frame of the blackboard is simply produced by connecting the corner, but the upper and lower frames between the upper and lower frames to facilitate the fixing, installation, maintenance, the upper part The frame has a shape of a square pillar having a predetermined thickness with both ends open and empty inside, and a partition wall is formed in the empty space to prevent deformation of the upper and lower surfaces of the frame, and one side of the lower surface. There is a sliding board installed in the direction of the guide groove for easy movement without falling over the front, and the lower frame has the shape of a square column with both sides open and empty and constant thickness. A partition is formed in the space to prevent deformation such as distortion of the upper and lower surfaces of the frame, and a sliding blackboard is formed on one side of the upper surface. The groove is provided in the longitudinal direction, and the guide rail for driving the roller of the sliding board is formed in the longitudinal direction, and the groove is formed on the upper side in the center of the groove. Pedestal for supporting the back of the blackboard is a blackboard frame, characterized in that protruding upward in the longitudinal direction of the frame.

In addition, the upper and lower frames and upper and lower frames constituting the board frame are simply connected by the corner connecting part, and are manufactured, but the upper frame is made to facilitate the fixing, installation, and maintenance of the main board between the upper and lower frames. The bottom of the support and the support is formed in the longitudinal direction, the upper surface of the lower frame and the support groove is formed in the longitudinal direction, between the support and the support of the upper frame by inserting the fixing means into the fixing groove by the method Insert the upper part of the main blackboard into the base frame of the lower frame and the lower part of the main blackboard is fixed to the main board, the upper frame is a shape of a square pillar having a certain thickness with both ends open and empty inside However, a partition is formed in the empty space to prevent deformation of the upper and lower surfaces of the frame, such as distortion. On one side of the lower surface, the sliding board installed is not guided forward, the guide groove for easy movement is formed in the longitudinal direction, and the lower frame has the shape of a square pillar having both sides open and the inside is empty and has a constant thickness. However, a partition is formed in the empty space to prevent deformation such as distortion of the upper and lower surfaces of the frame, and one side of the upper surface is provided with a sliding board or a groove in which writing instruments can be placed in the longitudinal direction. In the center of the groove, a guide rail for driving the roller of the sliding blackboard is formed in the longitudinal direction, and on the opposite side where the groove is formed on the upper surface, a pedestal for supporting the rear of the main blackboard is directly above the longitudinal direction of the frame. Chalkboard frame is characterized by protruding.

The holder may be further inclined toward the blackboard rather than protruding upward from the portion in contact with the blackboard, and furthermore, the holder may be further strengthened to secure the main blackboard. It can also be combined by force fit, and can be removed from the fixing groove in the future repair or replacement of the main board.

The present invention relates to a blackboard frame that is easier to install and maintain a blackboard that is installed for lectures in a classroom or classroom more efficiently.

In general, the blackboard is installed for lectures in a classroom or classroom, and the composition of the blackboard is a rectangular frame that connects the left and right frames and the upper and lower frames, and the corner connectors and the corners that connect the edges of the frames. It is composed of a writing board and a supporting board to post a post or to expand the space of an additional writing board to assist the main board.

The present invention relates to a blackboard frame structure configured to open and close a desired blackboard as needed by installing several blackboards for lectures made of sliding blackboards and auxiliary blackboards, including a fixed main blackboard, in one frame. The left and right frames and the upper and lower frames constituting the frame are extruded and molded to have a predetermined thickness of aluminum or plastic and have an empty interior, and are freely cut to a set length to be produced, and each corner connecting them The parts are simply connected to the corners and manufactured, but the main board between the upper and lower frames is easy to fix, install, and maintain, and do not use a specially designed support. Is formed in the longitudinal direction, and on the upper surface of the lower frame Extrude and shape the grooves in the longitudinal direction, and insert the upper part of the main board between the base and the support of the upper frame, and place the lower part of the main board on the base of the lower frame, and then fix the formed on the lower frame. It relates to a blackboard frame, characterized in that the main blackboard is fixed to the frame by inserting the fixture in the groove in a clamped manner.

The upper frame has a shape of a square pillar having a predetermined thickness, the both ends of the opening and the inside is empty, the partition is formed in the empty space to prevent deformation, such as distortion of the upper and lower surfaces of the frame, On one side of the installed sliding board does not fall forward, the guide groove for easy movement is formed in the longitudinal direction, on the opposite side the support for supporting the back of the main blackboard protrudes directly under the longitudinal direction of the frame, The front of the pedestal is characterized in that the support for supporting the front of the main blackboard is formed obliquely in the direction of the pedestal so that the upper edge of the main blackboard can be inserted between the pedestal and the support.

The lower frame has the shape of a square pillar having both sides open and the inside is empty and has a constant thickness, and a partition wall is formed in the empty space to prevent deformation of the upper and lower surfaces of the frame, and one side of the upper surface. There is a sliding board is installed in the groove or a groove for writing instruments, etc. are formed in the longitudinal direction, the guide rail for driving the roller of the sliding blackboard is formed in the longitudinal direction in the center of the groove, the groove is formed on the upper surface On the opposite side, a pedestal for supporting the back of the main board protrudes in the direction perpendicular to the length of the frame, and the front of the pedestal is fitted with a holder for preventing the main board from detaching or moving when the main board is installed. It is characterized in that the fixing groove is formed.

The fixing groove of the lower frame is formed so that the cross section is formed in a shape of a deep rectangular square to be slightly narrower than the width of the fixing stand so that the fixing stand is inserted by the interference fit to fix the main blackboard. Alternatively, the inlet portion into which the fixing stand is inserted may have a shape in which the fixing groove is inserted into a shape in which the width thereof becomes wider as the insert is inserted.

The fixing stand may be further inclined to fix the main blackboard by inclining at an angle toward the main blackboard rather than protruding upward from a portion contacting the main blackboard. In addition, by having the appropriate elasticity of the fixture may be coupled to the fixing groove of the lower frame forcibly fitted, it is manufactured to be separated from the fixing groove in the future repair or replacement of the main blackboard.

The fixing stand is manufactured so that the portion inserted into the fixing groove is slightly larger than the width of the fixing groove to be fixed to the fixing groove by interference fit. Alternatively, the inlet portion inserted into the fixing groove may be manufactured in a shape in which the width thereof is narrow and the width becomes wider as the insertion portion is inserted.

The frame of the blackboard according to the present invention, after inserting the upper edge of the main blackboard between the support and the support of the upper frame, the lower edge of the main blackboard is in contact with the support of the lower frame and then the restraint in the fixing groove of the lower frame It is the main point of the invention that the main blackboard is fixed to the frame of the blackboard by inserting it.

Referring to the configuration of the blackboard frame according to the present invention in detail with reference to the accompanying drawings as follows.

1 is a perspective view of a blackboard installed with the main blackboard and sliding blackboard according to the present invention, Figure 2 is an exploded perspective view of the blackboard frame according to the present invention, Figure 3 is a perspective view of the upper frame of the blackboard frame according to the present invention, Figure 4 is a perspective view of the lower frame of the blackboard frame according to the present invention, Figure 5 is a cross-sectional view showing that the main blackboard is fixed to the blackboard frame.

1 is a blackboard consisting of a rectangular left and right frame and an upper and lower frames such that a main blackboard and sliding boards are installed at both sides and driven left and right at a central portion thereof as an embodiment of the present invention.

The left and right frames and the upper and lower frames each have a proper thickness and form partition walls at intervals set therein. The cross sections are formed in a shape of a square pillar having empty partitions with empty walls at both ends. Extruded and molded in aluminum, the upper frame is formed with a guide groove for driving the sliding board left and right as shown in Figure 3, the base and the support of the upper frame is formed on the other side of the guide groove formed portion Extruded to form, the lower frame is formed with a groove driving the sliding board as shown in Figure 4, the guide rail is formed in the center of the groove, the pedestal and the fixing groove of the lower frame on the other side of the groove formed Extruded and molded to form, cut each frame to a set length, and each of the left, right frame and upper and lower frames It is formed in a 'b' shape with an appropriate thickness for assembling the corner portion, and the corner connector is formed by a generally known technique such as injection molding using a synthetic resin material to be inserted into and coupled to the open end of each frame. After forming, the corner connecting portions are inserted into and coupled to the open ends of the respective frames to form a rectangular blackboard frame.

The guide frame in the longitudinal direction for the sliding of the sliding board, the guide frame in the longitudinal direction for the sliding of the sliding board is formed in the upper frame of the blackboard frame, respectively, according to the number of installation of the auxiliary blackboard or sliding board, The number of guide grooves and guide rails may be increased in the longitudinal direction.

In addition, the corner connecting portion is described in detail, as shown in FIG. 3, the corner connecting portion connecting the upper frame and the left and right frames and the corner connecting portion connecting the lower frame and the left and right frames are manufactured to have different shapes. The corner connecting portion connecting the upper frame and the left and right frames forms one side of the corner connecting portion to be inserted into the opened end of the upper frame, and forms the other side of the corner connecting portion to be inserted into the opened end of the left and right frames. The corner connecting portion connecting the lower frame and the left and right frames forms one side of the corner connecting portion to be inserted into the open end of the lower frame, and the other side of the corner connecting connector is inserted into the opened button of the left and right frames. Forming and fabricating to form a cross-assembled combination of the blackboard frame of the rectangular shape as shown in FIG.

According to the present invention configured as described above, each frame of the upper, lower, left, and right sides constituting the blackboard frame is extruded and molded with aluminum or plastic so as to have a certain thickness so as to freely cut and assemble the length according to the specifications of the blackboard frame. It is convenient and beautiful in appearance, so that it is possible to improve the quality of the board. Furthermore, the material is made of a material that is remarkably light in weight, making it very convenient to handle during assembly.

In addition, the blackboard frame of the present invention is produced by extruding and molding the upper frame and the lower frame in a shape that does not need to attach a separate 'b' shaped support using nails or screws to fix the main blackboard. The convenience of assembly can be pursued along with the time required for fixing and installing the main board.

In detail, the blackboard frame of the present invention is extruded and molded by forming a pedestal and a support that is inserted into and fixed to the upper edge of the main blackboard in the upper frame, and an easy to assemble and fix the pedestal supporting the lower edge of the main blackboard to the lower frame. After forming a fixed groove for extrusion, it is extruded and molded, so that the upper frame of the main board is inserted between the base of the upper frame and the support, and the lower edge of the main board is contacted with the base of the lower frame. By inserting the holder into the fitting, the main board's fixing and installation work has a simple construction structure.

After fixing the main blackboard by inserting the holder into the fixing groove of the lower frame, the screw may be fastened toward the main blackboard from the side of the holder to fix the main blackboard more firmly.

Or to fix the main board more firmly without fastening with the screw, the inlet portion into which the guide is inserted into the shape of the fixing groove of the lower frame is formed in a shape that is narrow in width, the width becomes wider when inserted, The shape of the cross section of the fixture is not inserted into the fixing groove, but is exposed to the outside to support the main board in a shape that is inclined obliquely toward the main blackboard, and the inlet portion inserted into the fixing groove is narrow in width. The main board may be fixed and installed by inserting the holder into the fixing groove by making the shape wider.

The blackboard frame of the present invention configured as described above can be mass produced by extruding and molding the frame of each part by aluminum, etc., thereby significantly improving the production efficiency, and improving productivity by simplifying and shortening the assembly process. There is an advantage.

According to the present invention configured as described above, each frame of the upper, lower, left, and right sides constituting the blackboard frame is extruded and molded with aluminum or plastic so as to have a certain thickness so as to freely cut and assemble the length according to the specifications of the blackboard frame. It is convenient and beautiful in appearance so that the quality of the board can be improved. It is made of material that is light in weight, so it is easy to handle when assembling.

In addition, the blackboard frame of the present invention is produced by extruding and molding the upper frame and the lower frame in a shape that does not need to attach a separate 'b' shaped support using nails or screws to fix the main blackboard. The convenience of assembly can be pursued along with the time required for fixing and installing the main board.

In addition, the blackboard frame of the present invention configured as described above can be produced by extruding and molding the frame of each part by aluminum, etc., which can significantly improve the production efficiency, and improve productivity by simplifying and shortening the assembly process. There is an advantage to this.

Claims (4)

The left and right frames (5,6) and the upper and lower frames (3,4) constituting the board frame are simply connected by the corner connecting portion (7), and are produced between the upper and lower frames (3,4). In order to facilitate the fixing, installation and maintenance of the blackboard 1, the pedestal 9 and the support 10 are formed on the lower surface of the upper frame 3 in the longitudinal direction, and the pedestal is also provided on the upper surface of the lower frame 4. 13 and the fixing groove 14 is formed in the longitudinal direction, by inserting the fixing stand 8 in the fixing groove 14 by the interference fitting method, the pedestal 9 and the support 10 of the upper frame (3). The blackboard frame body, characterized in that the blackboard (1) is fixed to the frame by inserting the upper portion of the blackboard (1) between and the lower portion of the blackboard (1) is placed on the base 13 of the lower frame (4). The left and right frames (5,6) and the upper and lower frames (3,4) constituting the board frame are simply connected by the corner connecting portion (7), and are produced between the upper and lower frames (3,4). In order to facilitate the fixing, installation, and maintenance of the blackboard 1, the upper frame 3 has a shape of a square pillar having a predetermined thickness with both ends open and empty inside, and the frame in an empty space. A partition 12 is formed to prevent deformation of the upper and lower surfaces of the upper surface and the lower surface thereof, and a sliding groove 2 installed on one side of the lower surface does not fall forward, and a guide groove 11 for easy movement is provided in the longitudinal direction. The lower frame 4 is formed into a rectangular pillar having both sides open and empty and having a predetermined thickness, and a partition for preventing deformation of the upper and lower surfaces of the frame and the deformation of the frame in an empty space. (12) is formed, the upper surface One side is provided with a sliding board (2) is installed in the longitudinal direction, or a groove in which writing instruments, etc. can be placed, and in the center of the groove the guide rail (15) driven by the roller of the sliding board (2) in the longitudinal direction And a pedestal 13 supporting the rear surface of the main blackboard 1 protruding upward in the longitudinal direction of the frame on the opposite side of the groove formed on the upper surface. The left and right frames (5,6) and the upper and lower frames (3,4) constituting the board frame are simply connected by the corner connecting portion (7), and are produced between the upper and lower frames (3,4). In order to facilitate the fixing, installation, and maintenance of the main board 1, the base 9 and the support 10 are formed in the longitudinal direction on the lower surface of the upper frame 3, and the upper surface of the lower frame 4 Pedestal 13 and the fixing groove 14 is formed in the longitudinal direction, by inserting the fixing stand 8 in the fixing groove 14 by the interference fitting method, the pedestal 9 and the support 10 of the upper frame 3 The upper part of the main board 1 is inserted between the main boards 1 and the lower board of the main board 1 is placed on the base 13 of the lower frame 4 so that the main board 1 is fixed to the frame. 3) is the shape of a square pillar with a certain thickness with both ends open and the inside empty, the inside and the bottom of the frame in the empty space A partition wall 12 is formed to prevent deformation such as warping, and a sliding groove 2 installed at one side of the lower surface does not fall forward, and a guide groove 11 for easy movement is formed in the longitudinal direction. The lower frame 4 has a shape of a square pillar having both sides open and empty and having a predetermined thickness, and a partition 12 for preventing deformation such as distortion of the upper and lower surfaces of the frame in an empty space. The guide rail is formed in one side of the upper surface is provided with a sliding blackboard (2) is installed in the longitudinal direction, or a writing instrument can be placed in the longitudinal direction, the roller of the sliding blackboard (2) in the center of the groove ( 15) is formed in the longitudinal direction, and on the opposite side where the groove is formed on the upper surface, a pedestal 13 supporting the rear surface of the main blackboard 1 is characterized in that it protrudes directly in the longitudinal direction of the frame. Chalkboard frame structure. 4. The holder (8) according to claim 1 or 3, wherein the holder (8) is further formed to fix the main blackboard (1) by forming obliquely inclined toward the blackboard (1) rather than a portion in contact with the blackboard (1) protruding upward. It can be applied to the fixing frame (8) by the force, and also to have the appropriate elasticity to the fixing groove (14) of the lower frame (4), in the future repair or replacement of the main blackboard (1) Chalkboard frame, characterized in that the fixing (8) can be separated from the fixing groove (14).