CN216184091U

CN216184091U - Board is painted to hand towards stroke problem

Info

Publication number: CN216184091U
Application number: CN202122872424.5U
Authority: CN
Inventors: 余小鹏; 王振佩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-05
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a hand-drawing board facing to a stroke problem, wherein a groove is formed in the middle of the upper surface of a shell, sliding grooves are formed in two sides of the groove, a drawing board is positioned in the groove, connecting blocks are arranged above the sliding grooves in a sliding mode, a clamping groove is formed in the middle of the inner side surface of each connecting block, a guiding and drawing device is positioned between the two connecting blocks and comprises a fixing plate, an adjusting plate and a drawing plate, the fixing plate is fixedly arranged at the upper end between the two connecting blocks, the adjusting plate is positioned right below the fixing plate, two ends of the adjusting plate are both in sliding connection with the clamping grooves through clamping blocks, a plurality of elastic pieces are uniformly and fixedly arranged between the adjusting plate and the fixing plate, the drawing plate is positioned right below the adjusting plate, the lower surface of the drawing plate is positioned in the groove and is in contact with the drawing board, a vertical rod is fixedly arranged in the middle of the upper surface and is fixedly connected with the lower surface of the adjusting plate through the vertical rod; a placing groove is formed in the right side of the upper surface of the shell, and a pressure-sensitive pen is placed in the placing groove; the utility model has the advantages of accurate line drawing and convenient operation and use.

Description

Board is painted to hand towards stroke problem

Technical Field

The utility model belongs to the field of teaching equipment, and particularly relates to a hand-drawing board for stroke problems.

Background

The primary school mathematics stroke problem is an application problem of the change relation among three quantities of time, speed and distance in the uniform motion of an object, and can be divided into the stroke problem of single-body motion and multi-body motion according to the quantity of motion bodies; when a teacher uses multimedia electronic equipment to solve a travel problem, in order to facilitate students to understand, the teacher mostly uses a hand-drawing board to draw a line segment diagram to perform teaching solution; however, because the existing hand-drawing board has a single function, the problems of inaccurate representation of the length of the drawn line and curved drawn line are easy to occur in the process of drawing a line segment diagram, thereby influencing the teaching and answering effect of teachers on the travel problem; therefore, in order to solve the above problems, it is necessary to develop a hand drawing board for stroke with accurate drawing and convenient operation and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a stroke-oriented hand drawing board which is accurate in drawing lines and convenient to operate and use.

The purpose of the utility model is realized as follows: the hand drawing board for the stroke problem comprises a shell, a drawing board and a guiding line drawing device, wherein a groove is formed in the middle position of the upper surface of the shell, sliding grooves are formed in two sides of the outer portion of the opening end of the groove, the drawing board is fixedly arranged in the groove, a sliding block is arranged in the sliding grooves in a sliding mode, the upper end of the sliding block protrudes out of the sliding grooves and is fixedly provided with a connecting block, a clamping groove is formed in the middle of the inner side surface of the connecting block along the height direction of the middle part of the inner side surface of the connecting block, the guiding line drawing device is located between the two connecting blocks and comprises a fixing plate, an adjusting plate and a line drawing plate, the fixing plate is fixedly arranged at the upper end between the two connecting blocks, the adjusting plate is located under the fixing plate, two ends of the adjusting plate are connected with the clamping groove in a sliding mode through clamping blocks, a plurality of elastic pieces are evenly and fixedly arranged between the adjusting plate and the fixing plate, and the line drawing plate is located under the adjusting plate, the lower surface of the adjusting plate is positioned in the groove and is in contact with the drawing board, and the middle part of the upper surface is fixedly provided with a vertical rod and is fixedly connected with the lower surface of the adjusting plate through the vertical rod; the right side of casing upper surface is provided with the standing groove, place the pressure-sensitive pen in the standing groove.

The lower fixed surface of setting-out board is provided with the rubber cushion, and its length direction is all followed to the both sides of upper surface and is provided with the scale.

The tank bottom face of standing groove is fixed and is provided with the magnetic sheet, the afterbody of pressure-sensitive pen is fixed and is provided with the installation piece, and the outside of installation piece is fixed and is provided with the iron sheet.

And a hanging hole is formed in the upper left corner of the shell.

The elastic part comprises spring and flexible guide bar, and flexible guide bar is fixed to be set up between regulating plate and fixed plate, and the outside of flexible guide bar is located to the spring housing.

The utility model has the beneficial effects that: according to the line drawing device, the sliding groove, the sliding block, the connecting block, the fixing plate, the adjusting plate, the line drawing plate, the elastic piece and the vertical rod are arranged, so that when the line drawing device is used, the position of the guide line drawing device on the shell can be adjusted according to needs, and the specific adjusting operation is as follows: utilize the hand to hold fixed plate and regulating plate simultaneously, and through the external force that the hand was applyed, cooperate the sliding connection between fixture block and the draw-in groove, make the regulating plate atress rebound, and make the elastic component shrink, the rebound of regulating plate, can drive the setting-out plate rebound through the montant, thereby make to break away from the contact between setting-out plate and the drawing board, at this moment, utilize the sliding connection between slider and the spout, through the sliding connection piece, can drive the direction setting-out device and carry out the sliding displacement along the spout, thereby adjust the position of direction setting-out device on the casing, after the regulation is accomplished, slowly loosen the hand of holding fixed plate and regulating plate, at this moment, the regulating plate is under the elastic thrust effect of elastic component, can drive the setting-out plate rebound through the montant, thereby make setting-out plate and drawing board contact, after accomplishing above-mentioned operation, utilize setting-up scale of setting-out plate and its upper surface both sides, the straight line with the required length can be accurately drawn, so that the scene of the travel problem is accurately expressed, and the teaching and answering effects of the teacher on the travel problem are improved; the rubber cushion is arranged on the lower surface of the line drawing plate, so that a certain protection effect can be achieved by the rubber cushion, the problem that the line drawing plate is damaged when moving downwards under the action of the elastic piece is avoided, meanwhile, a certain anti-skidding limiting effect can be achieved by the rubber cushion, and the problem that the line drawing plate slides under the action of the connecting block in the process of guiding line drawing through the line drawing plate is avoided; by arranging the magnetic plate, the mounting block and the iron sheet, the magnetic attraction of the magnetic plate on the iron sheet is utilized, so that the pressure-sensitive pen can be conveniently placed in the placing groove in a limiting manner, and the problem that the pressure-sensitive pen is easy to lose when the pressure-sensitive pen is used is avoided; in summary, the utility model has the advantages of accurate line drawing and convenient operation and use.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a cross-sectional view of a front view of the connection between the guide line marking apparatus, the connector block and the drawing board of the present invention.

In the figure: 1. the line drawing device comprises a shell 11, a groove 12, a sliding groove 13, a connecting block 14, a placing groove 15, a hanging hole 2, a line drawing board 3, a guiding line drawing device 31, a fixing plate 32, an adjusting plate 33, a line drawing board 34, an elastic piece 35, a vertical rod 4, a pressure pen 41 and an installation block.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Example (b): as shown in fig. 1 and 2, a hand drawing board facing to the stroke problem comprises a casing 1, a drawing board 2 and a guiding and drawing device 3, wherein a groove 11 is formed in the middle position of the upper surface of the casing 1, sliding grooves 12 are formed in two sides of the outer portion of the opening end of the groove 11, the drawing board 2 is fixedly arranged in the groove 11, a sliding block is arranged in the sliding groove 12 in a sliding manner, the upper end of the sliding block protrudes out of the sliding groove 12 and is fixedly provided with a connecting block 13, a clamping groove is formed in the middle of the inner side surface of the connecting block 13 along the height direction of the middle portion, the guiding and drawing device 3 is arranged between the two connecting blocks 13 and comprises a fixing plate 31, an adjusting plate 32 and a drawing plate 33, the fixing plate 31 is fixedly arranged at the upper end between the two connecting blocks 13, the adjusting plate 32 is positioned under the fixing plate 31, and two ends of the adjusting plate are both connected with the clamping groove in a sliding manner through the clamping block, a plurality of elastic pieces 34 are uniformly and fixedly arranged between the adjusting plate 32 and the fixing plate 31, the line drawing plate 33 is positioned under the adjusting plate 32, the lower surface of the line drawing plate is positioned in the groove 11 and is in contact with the drawing board 2, a vertical rod 35 is fixedly arranged in the middle of the upper surface of the line drawing plate, and the line drawing plate is fixedly connected with the lower surface of the adjusting plate 32 through the vertical rod 35; a placing groove 14 is arranged on the right side of the upper surface of the shell 1, and the pressure-sensitive pen 4 is placed in the placing groove 14.

The lower surface of the line drawing plate 33 is fixedly provided with a rubber cushion, and both sides of the upper surface are provided with scales along the length direction; the magnetic plate is fixedly arranged on the bottom surface of the placing groove 14, the mounting block 41 is fixedly arranged at the tail part of the pressure-sensitive pen 4, the iron sheet is fixedly arranged outside the mounting block 41, and the pressure-sensitive pen 4 can be conveniently placed in the placing groove 14 in a limiting manner by utilizing the magnetic attraction of the magnetic plate on the iron sheet, so that the problem that the pressure-sensitive pen 4 is easily lost when the pressure-sensitive pen is used is solved; a hanging hole 15 is formed in the upper left corner of the shell 1, and the hanging hole 15 is used for facilitating the whole hanging of the utility model; elastic component 34 comprises spring and flexible guide bar, and flexible guide bar is fixed to be set up between regulating plate 32 and fixed plate 31, and the outside of flexible guide bar is located to the spring housing, utilizes flexible guide bar can play certain direction limiting displacement.

In use, the utility model is first adjusted as required to position the guide line marking apparatus 3 on the housing 1, the specific adjustment being as follows: utilize the hand to hold fixed plate 31 and regulating plate 32 simultaneously, and through the external force that the hand was applyed, sliding connection between cooperation fixture block and the draw-in groove, make regulating plate 32 atress rebound, and make elastic component 34 shrink, the rebound of regulating plate 32, accessible montant 35 drives setting-out plate 33 rebound, thereby make and break away from the contact between setting-out plate 33 and the drawing board 2, at this moment, utilize the sliding connection between slider and spout 12, through sliding connection piece 13, can drive direction setting-out device 3 and carry out sliding displacement along spout 12, thereby adjust the position of direction setting-out device 3 on casing 1, then, after direction setting-out device 3 slides to suitable position, slowly loosen the hand of holding fixed plate 31 and regulating plate 32, at this moment, regulating plate 32 is under the elastic thrust effect of elastic component 34, accessible montant 35 drives setting-out plate 33 rebound, therefore, the line drawing board 33 is in contact with the drawing board 2, after the operation is finished, straight lines with required lengths can be accurately drawn on the drawing board 2 through the pressure pen 4 by using the line drawing board 33 and the scales arranged on the two sides of the upper surface of the line drawing board, so that scenes of the travel problems are accurately expressed, and the teaching answering effect of teachers on the travel problems is improved; according to the utility model, the rubber cushion is arranged on the lower surface of the line drawing plate 33, so that a certain protection effect can be achieved by using the rubber cushion, the problem that the line drawing plate 33 is damaged when moving downwards under the action of the elastic piece 34 is avoided, meanwhile, a certain anti-skidding limiting effect can be achieved by using the rubber cushion, and the problem that the line drawing plate 33 slides under the action of the connecting block 13 in the process of guiding to draw a line through the line drawing plate 33 is avoided; in summary, the utility model has the advantages of accurate line drawing and convenient operation and use.

Claims

1. The utility model provides a board is painted to hand towards stroke problem, includes casing, drawing board and direction setting-out device, its characterized in that: the middle position of the upper surface of the shell is provided with a groove, two sides of the outer part of the opening end of the groove are respectively provided with a sliding groove, the drawing board is fixedly arranged in the groove, the sliding groove is internally provided with a sliding block in a sliding manner, the upper end of the sliding block protrudes out of the sliding groove and is fixedly provided with a connecting block, the middle part of the inner side surface of the connecting block is provided with a clamping groove along the height direction, the guiding line drawing device is positioned between the two connecting blocks and comprises a fixed plate, an adjusting plate and a line drawing plate, the fixed plate is fixedly arranged at the upper end between the two connecting blocks, the adjusting plate is positioned under the fixed plate, the two ends of the adjusting plate are both in sliding connection with the clamping grooves through the clamping blocks, a plurality of elastic pieces are uniformly and fixedly arranged between the adjusting plate and the fixed plate, the line drawing plate is positioned under the adjusting plate, the lower surface of the line drawing plate is positioned in the groove and is in contact with the drawing board, and the middle part of the upper surface is fixedly provided with a vertical rod, and is fixedly connected with the lower surface of the adjusting plate through the vertical rod; the right side of casing upper surface is provided with the standing groove, place the pressure-sensitive pen in the standing groove.

2. A hand-drawing board for stroke problems, as claimed in claim 1, wherein: the lower fixed surface of setting-out board is provided with the rubber cushion, and its length direction is all followed to the both sides of upper surface and is provided with the scale.

3. A hand-drawing board for stroke problems, as claimed in claim 1, wherein: the tank bottom face of standing groove is fixed and is provided with the magnetic sheet, the afterbody of pressure-sensitive pen is fixed and is provided with the installation piece, and the outside of installation piece is fixed and is provided with the iron sheet.

4. A hand-drawing board for stroke problems, as claimed in claim 1, wherein: and a hanging hole is formed in the upper left corner of the shell.

5. A hand-drawing board for stroke problems, as claimed in claim 1, wherein: the elastic part comprises spring and flexible guide bar, and flexible guide bar is fixed to be set up between regulating plate and fixed plate, and the outside of flexible guide bar is located to the spring housing.