CN113183669B - English four-line grid rapid hand-drawing tool - Google Patents
English four-line grid rapid hand-drawing tool Download PDFInfo
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- CN113183669B CN113183669B CN202110680596.4A CN202110680596A CN113183669B CN 113183669 B CN113183669 B CN 113183669B CN 202110680596 A CN202110680596 A CN 202110680596A CN 113183669 B CN113183669 B CN 113183669B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
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Abstract
The invention provides a quick hand-drawing tool for English four-line grids, which comprises a shell, wherein an alignment bracket is fixedly connected to the front end of the shell; the material changing handle is connected to the upper surface of the outer shell in a sliding manner; the right clamping plate is hinged on the top plate of the inner surface of the outer shell; the left clamping plate is fixedly connected to the lower part of the left side of the outer shell; the chalk reversing group is arranged on the left side of the left clamping plate; the outer shell comprises an outer handle which is fixedly connected to the upper surface of the outer shell; four groups of aligning top ends are arranged at the aligning top ends, and the four groups of aligning top ends are uniformly arranged and fixedly connected to the top plate on the inner surface of the outer shell; the first hinged plate is a rectangular plate, and the upper end of the first hinged plate is fixedly connected to the inner surface top plate of the outer shell; the outer sliding groove is provided with two positions; therefore, the function of adjusting the direction and the angle of the tip of the chalk is added on the English marking equipment, the working position of the chalk is controlled, the best effect of the chalk is conveniently exerted, and the drawing quality is improved.
Description
Technical Field
The invention belongs to the technical field of teaching tools, and particularly relates to a rapid hand-drawing tool for English four-line grids.
Background
In English teaching, a four-line grid is a frame line used for limiting the position and size of English letters in English writing, and the structure of the four-line grid is composed of four uniformly distributed straight lines. At current english teaching in-process, the teacher need draw the four-line check on the blackboard at the teaching in-process, and the four-line check of generally drawing is through ruler and set-square, carefully measure and draw the blackboard with four straight lines in proper order, and the operation process is very loaded down with trivial details, and difficult the use accounts for the space simultaneously great, is not convenient for accomodate.
For example, application No.: the invention discloses a scriber for English four-line grids, which comprises a chalk box, an upper connecting plate, a lower connecting plate, a sliding chute, a handle, wheels, a baffle and a pen pressing device, wherein the upper connecting plate is arranged on the chalk box; the chalk box comprises four chalk boxes, wherein the four chalk boxes are arranged side by side at equal intervals, the upper surfaces of the four chalk boxes are fixedly connected through an upper connecting plate, the edge of the front end of the upper connecting plate is provided with three sliding grooves, a handle is arranged at the middle position of the upper connecting plate, the lower sides of the four chalk boxes are fixedly connected through a lower connecting plate, two wheels are respectively arranged at the lower surfaces of the two chalk boxes on the outer sides, baffles are arranged on the outer sides of the wheels, and the baffles are fixedly connected with the lower surfaces of the corresponding chalk boxes; the pencil pressing device comprises four cylinders, the four cylinders are arranged corresponding to openings at the front ends of the four chalk boxes respectively, the upper ends of the four cylinders are fixedly connected through connecting rods, and the pencil pressing device is connected with the chalk boxes in a sliding mode.
Based on the search of the patent and the structure discovery among the combination prior art, when english teaching draws line equipment similar to in the patent uses, fixes the chalk through the instrument, and the chalk is difficult for carrying on the angle modulation and the length adjustment of chalk after fixed, can not rotate the chalk, and after one side dull polish of chalk, can't use the side of chalk point, therefore the line mould that uses marking device to draw is pasted, coarse, influences the marking quality.
Disclosure of Invention
In order to solve the technical problem, the invention provides a rapid hand-drawing tool for English four-line grids, which aims to solve the problem that when a hand-drawing line device for English teaching similar to that in the patent is used, a chalk is fixed through the tool, the chalk cannot be rotated after being fixed, the angle adjustment and the length adjustment of the chalk are not easy to perform, and the side surface of a chalk point cannot be used after one side of the chalk is worn down, so that a line body drawn by using a line drawing device is pasted and rough, and the line drawing quality is influenced.
The invention relates to a quick hand-drawing tool for English four-line grids, which has the purposes and effects achieved by the following specific technical means:
the quick hand-drawing tool for English four-line grids comprises an outer shell, wherein an alignment bracket is fixedly connected to the front end of the outer shell; the material changing handle is connected to the upper surface of the outer shell in a sliding manner; the right clamping plate is hinged on the top plate of the inner surface of the outer shell; the left clamping plate is fixedly connected to the lower part of the left side of the outer shell; the chalk reversing group is arranged on the left side of the left clamping plate;
further, the outer shell comprises an outer handle which is fixedly connected to the upper surface of the outer shell; four groups of aligning top ends are arranged at the aligning top ends, and the four groups of aligning top ends are uniformly arranged and fixedly connected to the top plate on the inner surface of the outer shell; the first hinged plate is a rectangular plate, and the upper end of the first hinged plate is fixedly connected to the inner surface top plate of the outer shell; the outer sliding grooves are arranged at two positions, the outer sliding grooves at the two positions are arranged on a top plate of the outer shell body, the outer sliding grooves are respectively arranged on the inner sides of the outer handles, the outer sliding grooves are two sections of rectangular grooves, and the second section of rectangular groove is vertically arranged on the inner side of the middle of the first section of rectangular groove.
Furthermore, the aligning top end comprises a connecting spring, and the upper end of the connecting spring is fixedly connected to the inner surface top plate of the outer shell; the upper surface of the top block is fixedly connected with the lower end of the connecting spring, and the lower end of the top block is of a semicircular head structure.
Furthermore, the alignment bracket comprises a fixed bracket, a rectangular guide rod is arranged at the lower side of the fixed bracket, and an alignment spring is fixedly connected at the lower end of the fixed bracket; the upper surface of the movable bracket is provided with a guide sleeve of a rectangular cylinder structure, the guide sleeve is connected to the fixed bracket in a sliding mode, the bottom surface of the guide sleeve is fixedly connected with the lower end of the alignment spring, and the front half part of the movable bracket is bent downwards for forty-five degrees.
Furthermore, the material changing handle comprises two groups of inner guide rods, the two groups of inner guide rods are respectively arranged on two inner side surfaces of a frame body of the material changing handle, the inner guide rods are rectangular guide rods, and rectangular baffles are further arranged at the upper ends of the inner guide rods; the lower top is provided with two positions which are fixedly connected at the lower end of the material changing handle, and the front end of the lower top is provided with a top folded plate with an inclined folded plate structure.
Furthermore, the right clamping plate comprises four right clamping grooves, the four right clamping grooves are uniformly distributed on the left surface of the right clamping plate, and the right clamping grooves are semicircular grooves; the second hinged plate is fixedly connected to the front side of the upper surface of the right clamping plate, and the upper end of the second hinged plate pair is connected with the lower end of the first hinged plate through a hinge; press from both sides tight extension spring fixed connection on the left surface of right splint, and press from both sides the right surface of the left fixed connection left splint of tight extension spring.
Furthermore, the left clamping plate comprises four left clamping grooves, the four left clamping grooves are uniformly distributed on the right side surface of the left clamping plate, and the left clamping grooves are semicircular grooves; the outer reversing groove is transversely arranged on the left side surface of the left clamping plate in a rectangular groove body structure, and a middle cushion table in a rectangular block structure is arranged in the middle section of the groove body of the outer reversing groove; the middle of the arc-shaped elastic top plate is spring steel of the arc-shaped plate, and the two sides of the arc-shaped elastic top plate are fixedly connected with the left side of the left clamping groove in the outer reversing groove through a support.
Furthermore, the left clamping groove comprises an adjusting through groove, the adjusting through groove is a square hole, the adjusting through groove is arranged in the middle of the left clamping groove, and the adjusting through groove penetrates through the left clamping groove and is arranged with the outer reversing groove.
Furthermore, the chalk reversing group comprises a reversing synchronous belt, the reversing synchronous belt is provided with two positions, and the two reversing synchronous belts are arranged on two sides of the outer reversing groove; the both ends of switching-over connecting strip are passed through screw fixed connection and are being gone up on the surface of both sides switching-over hold-in range, and the centre of switching-over connecting strip is passed through screw fixed connection and is had the push pedal, and the surface epirelief of push pedal is equipped with two antiskid lines.
Furthermore, the reversing synchronous belt comprises outer anti-slip lines, the outer anti-slip lines are arranged on the surface of the right belt body of the reversing synchronous belt, and the outer anti-slip lines are rectangular wales; the shaft of the synchronous pulley is rotatably connected in the outer reversing groove through a bearing, and the synchronous pulley is connected and meshed with a reversing synchronous belt.
Compared with the prior art, the invention has the following beneficial effects:
through the shell body of this structure and the cooperation of counterpoint bracket, the shell body has the effect of support, supports counterpoint bracket, reloading handle, right splint and left splint through the shell body, plays the effect of support and protection, through the top effect of aliging of shell body, can exert the tight power in downward top to the chalk, under right splint and left splint lax state, the accessible is pressed the hand and is painted the instrument and align four chalks in the instrument. Make the bottom of chalk be in the state that highly equals, the kicking block of half round head structure can do benefit to and carry out the centering to the chalk, also can alleviate the damage of drawing that produces the chalk, the counterpoint bracket passes through the effect of fixed bracket and movable bracket, can form a set of elastic support frame that has, during the use, the teacher presses the ruler on the blackboard, through the bottom of movable bracket and the effect of ruler, plays the effect to the whole direction of scriber, the counterpoint bracket is scalable, can adjust the scriber equilibrium along with the change of chalk length.
Through the cooperation of the right splint and the reloading handle of this structure, the right splint are connected on the shell body through articulated, and the right splint presss from both sides tightly to the inboard under the effect of pressing from both sides tight extension spring under the normality, realizes the fixed action to the chalk, when pulling up the reloading handle on manual, moves on the top folded plate through the reloading handle rebound, makes the right splint expand outward, can become flexible the chalk, changes or angle regulation, length.
Through the cooperation of the left splint of this structure and chalk switching-over group, be equipped with chalk switching-over group on the splint of a left side, after one side dull polish of chalk, draw the reloading handle slightly manually, through promoting the push pedal, drive two sets of switching-over hold-in range actions, the effect through the outer anti-skidding line of switching-over hold-in range and arc elasticity roof, outwards push up the switching-over hold-in range, exert the power of wrench movement to the chalk, and then adjust the chalk angle, can see out, the function of adjustable chalk point end direction and angle has been increased on the marking off equipment for the english, control the operating position of chalk, be convenient for exert the best effect of chalk, improve the drawing quality.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the inside of the outer case of the present invention.
Fig. 3 is a schematic view of the structure of the inner guide rod of the present invention.
Fig. 4 is a schematic view of the structure of the refueling handle of the invention.
Fig. 5 is a schematic structural view of the outer case of the present invention.
Fig. 6 is a left side view of the present invention.
Fig. 7 is a schematic structural diagram of a chalk reversing group of the invention.
Fig. 8 is a schematic structural view of the left splint of the present invention.
Fig. 9 is a structural diagram of the installation position of the arc-shaped elastic top plate of the invention.
Fig. 10 is a schematic view of an exploded structure of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an outer housing; 101. an outer handle; 102. aligning the tip; 1021. a connecting spring; 1022. a top block; 103. a first hinge plate; 104. an outer chute; 2. aligning the bracket; 201. a fixing bracket; 2011. aligning a spring; 202. a movable bracket; 2021. a guide sleeve; 3. a material changing handle; 301. an inner guide bar; 302. a lower plug; 3021. top head folding plates; 4. a right splint; 401. a right clamping groove; 402. a second hinge plate; 403. clamping the tension spring; 5. a left splint; 501. a left clamping groove; 5011. adjusting the through groove; 502. an outer reversing slot; 5021. a middle cushion table; 503. an arc-shaped elastic top plate; 6. a chalk reversing group; 601. reversing a synchronous belt; 6011. outer anti-skid lines; 6012. a synchronous pulley; 602. a reversing connecting bar; 6021. a push plate.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 10:
the invention provides a quick hand-drawing tool for English four-line grids, which comprises an outer shell 1, wherein an alignment bracket 2 is fixedly connected to the front end of the outer shell 1; the material changing handle 3 is connected to the upper surface of the outer shell 1 in a sliding manner; the right clamping plate 4 is hinged on the inner surface top plate of the outer shell 1; the left splint 5 is fixedly connected to the lower part of the left side of the outer shell 1; the chalk reversing group 6 is arranged on the left side of the left clamping plate 5.
The outer shell 1 comprises an outer handle 101, and the outer handle 101 is fixedly connected to the upper surface of the outer shell 1; four groups of alignment top ends 102 are arranged on the alignment top ends 102, and the four groups of alignment top ends 102 are uniformly arranged and fixedly connected to the top plate of the inner surface of the outer shell 1; the first hinge plate 103 is a rectangular plate, and the upper end of the first hinge plate 103 is fixedly connected to the inner surface top plate of the outer shell 1; the outer sliding groove 104 is provided with two positions, the two outer sliding grooves 104 are both arranged on the top plate of the outer shell 1 and are respectively arranged on the inner sides of the outer handles 101, the outer sliding groove 104 is a two-section rectangular groove, the second section of rectangular groove is vertically arranged on the inner side of the middle of the first section of rectangular groove, the aligning top end 102 comprises a connecting spring 1021, and the upper end of the connecting spring 1021 is fixedly connected to the top plate of the inner surface of the outer shell 1; the upper surface fixed connection of kicking block 1022 is at the lower extreme of connecting spring 1021, and the lower extreme of kicking block 1022 is the semicircle head structure, the alignment top 102 of this structure is as shown in fig. 5, shell body 1 has the effect of support, to counterpoint bracket 2 through shell body 1, the handle 3 of reloading, right splint 4 and left splint 5 support, play the effect of support and protection, top 102 effect of aliging through shell body 1, can exert the tight power in downward top to the chalk, under right splint 4 and the 5 lax state of left splint, the accessible is pressed the hand and is painted four chalks in the instrument and is aligned. The bottom ends of the chalks are in the state of equal height, and the top block 1022 with the semicircular head structure can be beneficial to centering the chalks and can also reduce the scratch damage to the chalks.
The alignment bracket 2 comprises a fixed bracket 201, a rectangular guide rod is arranged at the lower side of the fixed bracket 201, and an alignment spring 2011 is fixedly connected at the lower end of the fixed bracket 201; the upper surface of movable bracket 202 is equipped with a guide sleeve 2021 of a rectangular cylinder structure, and guide sleeve 2021 sliding connection is on fixed bracket 201, and the lower extreme of counterpoint spring 2011 is fixed connection to the bottom surface of guide sleeve 2021, the first half part of movable bracket 202 is bent forty-five degrees downwards and is processed, counterpoint bracket 2 of this structure is as shown in fig. 3, counterpoint bracket 2 passes through the effect of fixed bracket 201 and movable bracket 202, can form a set of elastic support frame that has, during the use, the teacher presses the ruler on the blackboard, through the effect of the bottom of movable bracket 202 and ruler, play the effect to the whole direction of scriber, counterpoint bracket 2 is scalable, can adjust the scriber equilibrium along with the change of chalk length.
The material changing handle 3 comprises two groups of inner guide rods 301, the two groups of inner guide rods 301 are respectively arranged on two inner side surfaces of a frame body of the material changing handle 3, the inner guide rods 301 are rectangular guide rods, and rectangular baffles are further arranged at the upper ends of the inner guide rods 301; the lower top head 302 is provided with two positions, the two lower top heads 302 are fixedly connected to the lower end of the refueling handle 3, the front end of the lower top head 302 is provided with a top head folded plate 3021 with an inclined folded plate structure, the refueling handle 3 with the structure is shown in fig. 4, the right clamping plate 4 comprises four right clamping grooves 401, the four right clamping grooves 401 are uniformly distributed on the left surface of the right clamping plate 4, and the right clamping grooves 401 are semicircular grooves; the second hinge plate 402 is fixedly connected to the front side of the upper surface of the right clamping plate 4, and the upper ends of the pair of second hinge plates 402 are connected with the lower end of the first hinge plate 103 through hinges; press from both sides tight extension spring 403 fixed connection on the left surface of right splint 4, and press from both sides the right surface of the left fixed connection left splint 5 of tight extension spring 403, the right splint 4 of this structure is as shown in fig. 10, right splint 4 is connected on shell body 1 through articulated, right splint 4 presss from both sides tightly to the inboard under the effect of pressing from both sides tight extension spring 403 under the normality, realize the fixed action to the chalk, when manual pull-up reloading handle 3, through reloading handle 3 rebound, move up at top folded plate 3021, make right splint 4 expand outward, can become flexible the chalk, change or angle regulation, length.
The left clamping plate 5 comprises a left clamping groove 501, the left clamping groove 501 is provided with four positions, the four left clamping grooves 501 are uniformly distributed on the right side surface of the left clamping plate 5, and the left clamping groove 501 is a semicircular groove; the outer reversing groove 502 is transversely arranged on the left side surface of the left clamping plate 5 in a rectangular groove body structure, and a middle cushion 5021 in a rectangular block structure is arranged in the middle section of the groove body of the outer reversing groove 502; the middle of the arc-shaped elastic top plate 503 is made of spring steel of an arc-shaped plate, two sides of the arc-shaped elastic top plate 503 are fixedly connected to the left side of a left clamping groove 501 in an outer reversing groove 502 through a support, the left clamping groove 501 comprises an adjusting through groove 5011, the adjusting through groove 5011 is a square hole, the adjusting through groove 5011 is formed in the middle of the left clamping groove 501, the adjusting through groove 5011 penetrates through the left clamping groove 501 and the outer reversing groove 502, the left clamping groove 501 of the structure is shown in fig. 7, a chalk reversing group 6 comprises a reversing synchronous belt 601, the reversing synchronous belt 601 is provided with two positions, and the two reversing synchronous belts 601 are arranged on two sides of the outer reversing groove 502; the two ends of the reversing connecting strip 602 are fixedly connected to the outer surfaces of the reversing synchronous belts 601 on the two sides through screws, the middle of the reversing connecting strip 602 is fixedly connected with a push plate 6021 through screws, two anti-skid grains are protruded on the outer surface of the push plate 6021, the reversing synchronous belt 601 comprises outer anti-skid grains 6011, the outer anti-skid grains 6011 are arranged on the surface of the right side belt body of the reversing synchronous belt 601, and the outer anti-skid grains 6011 are rectangular wales; the shaft of the synchronous pulley 6012 is rotatably connected in the outer reversing groove 502 through a bearing, the reversing synchronous belt 601 is connected to and meshed with the synchronous pulley 6012, the reversing synchronous belt 601 of the structure is shown in fig. 8, the chalk reversing group 6 is arranged on the left clamping plate 5, after one side of a chalk is dull ground, the material replacing handle 3 is slightly pulled up manually, two groups of reversing synchronous belts 601 are driven to move through pushing the push plate 6021, the reversing synchronous belts 601 are outwards pushed tightly through the outer anti-skidding patterns 6011 of the reversing synchronous belts 601 and the arc-shaped elastic top plate 503, twisting force is applied to the chalk, the chalk angle is adjusted, the chalk is pointed to the front side, the best effect of the chalk is achieved, and the drawing quality is improved.
When in use: firstly, the outer handle 101 is held by hand, the reloading handle 3 is squeezed, the reloading handle 3 moves upwards and moves on the top head folded plate 3021, the right clamping plate 4 expands outwards, so that chalks can be loosened, four chalks are placed on the left clamping groove 501 and the right clamping groove 401 at four positions, the chalks are pressed downwards and aligned, so that the bottom ends of the chalks are in a state with equal height, the top block 1022 with the semicircular head structure can be beneficial to centering the chalks, four chalks in the tool can be aligned by pressing a hand drawing tool, and scratching damage to the chalks can be reduced, in use, a teacher presses a ruler on a blackboard, and plays a role in guiding the whole length of the scriber through the action of the bottom of the movable bracket 202 and the ruler, so that the scriber can move linearly in the direction of the ruler, namely drawing of four-grid lines of English can be carried out, the aligning bracket 2 can stretch, and the balance of the scriber can be adjusted along with the change of the chalks, after one side dull polish of chalk, pull up reloading handle 3 slightly manually, through promoting push pedal 6021, drive two sets of switching-over hold-in range 601 actions, through the effect of switching-over hold-in range 601 outer anti-skidding line 6011 and arc elasticity roof 503, outwards push up tightly switching-over hold-in range 601, exert the power of wrench movement to the chalk, and then adjust the chalk angle, with chalk point forward side, can see out, the function of adjustable chalk point end direction and angle has been increased on marking equipment for the english, control the operating position of chalk, be convenient for exert the best effect of chalk, improve and draw the quality.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. Instrument is painted to quick hand of english four-wire check, its characterized in that: comprises an outer shell (1);
the alignment bracket (2), the alignment bracket (2) is fixedly connected to the front end of the outer shell (1);
the material changing handle (3), the material changing handle (3) is connected to the upper surface of the outer shell (1) in a sliding mode;
the right clamping plate (4), the right clamping plate (4) is hinged on the inner surface top plate of the outer shell (1);
the left clamping plate (5), the left clamping plate (5) is fixedly connected to the lower portion of the left side of the outer shell (1);
the chalk reversing group (6) is arranged on the left side of the left clamping plate (5);
the outer shell (1) comprises:
the outer handle (101), the outer handle (101) is fixedly connected on the upper surface of the outer shell (1);
the four groups of alignment top ends (102) are arranged on the alignment top ends (102), and the four groups of alignment top ends (102) are uniformly arranged and fixedly connected to the top plate on the inner surface of the outer shell (1);
the first hinge plate (103), the first hinge plate (103) is a rectangular plate, and the upper end of the first hinge plate (103) is fixedly connected to the top plate of the inner surface of the outer shell (1);
the outer sliding chute (104) is provided with two positions, the two outer sliding chutes (104) are arranged on a top plate of the outer shell (1) and are respectively positioned on the inner sides of the outer handles (101), the outer sliding chute (104) is a two-section rectangular chute, and the second section of rectangular chute is vertically arranged on the inner side of the middle of the first section of rectangular chute;
the reloading handle (3) comprises:
the inner guide rods (301), two groups of the inner guide rods (301) are arranged, the two groups of the inner guide rods (301) are respectively arranged on two inner side surfaces of the frame body of the material changing handle (3), the inner guide rods (301) are rectangular guide rods, and rectangular baffles are further arranged at the upper ends of the inner guide rods (301);
the lower top head (302), the lower top head (302) has two positions, the two lower top heads (302) are fixedly connected with the lower end of the material changing handle (3), and the front end of the lower top head (302) is provided with a top head folded plate (3021) with an inclined folded plate structure;
the right splint (4) comprises:
the clamping device comprises right clamping grooves (401), wherein the right clamping grooves (401) are arranged in four positions, the four right clamping grooves (401) are uniformly distributed on the left surface of a right clamping plate (4), and the right clamping grooves (401) are semicircular grooves;
the second hinge plate (402), the second hinge plate (402) is fixedly connected to the front side of the upper surface of the right clamping plate (4), and the upper ends of the second hinge plate (402) are connected with the lower end of the first hinge plate (103) through hinges;
the clamping tension spring (403), the clamping tension spring (403) is fixedly connected to the left surface of the right clamping plate (4), and the left end of the clamping tension spring (403) is fixedly connected to the right surface of the left clamping plate (5);
the chalk reversing group (6) comprises:
the reversing synchronous belt (601), the reversing synchronous belt (601) is provided with two positions, and the two reversing synchronous belts (601) are arranged on two sides of the outer reversing groove (502);
the two ends of the reversing connecting strip (602) are fixedly connected to the outer surfaces of the two reversing synchronous belts (601) through screws, the middle of the reversing connecting strip (602) is fixedly connected with a push plate (6021) through screws, and two anti-skidding threads are arranged on the outer surface of the push plate (6021) in a protruding mode.
2. The english four-line grid quick hand-drawing tool of claim 1, wherein: the alignment tip (102) includes:
the upper end of the connecting spring (1021) is fixedly connected to the inner surface top plate of the outer shell (1);
the upper surface of the top block (1022) is fixedly connected to the lower end of the connecting spring (1021), and the lower end of the top block (1022) is of a semicircular head structure.
3. The english four-line grid quick hand-drawing tool of claim 1, wherein: the alignment bracket (2) comprises:
the lower side of the fixed bracket (201) is provided with a rectangular guide rod, and the lower end of the fixed bracket (201) is fixedly connected with an alignment spring (2011);
the upper surface of the movable bracket (202) is provided with a guide sleeve (2021) of a rectangular cylinder structure, the guide sleeve (2021) is connected to the fixed bracket (201) in a sliding mode, the bottom surface of the guide sleeve (2021) is fixedly connected with the lower end of the alignment spring (2011), and the front half portion of the movable bracket (202) is bent downwards for forty-five degrees machining.
4. The english four-line grid quick hand-drawing tool of claim 1, wherein: the left splint (5) comprises:
the clamping device comprises left clamping grooves (501), wherein the left clamping grooves (501) are formed in four positions, the left clamping grooves (501) are uniformly distributed on the right side surface of a left clamping plate (5), and the left clamping grooves (501) are semicircular grooves;
the outer reversing groove (502) is transversely arranged on the left side surface of the left clamping plate (5) in a rectangular groove body structure, and a middle cushion table (5021) of a rectangular block structure is arranged in the middle section of the groove body of the outer reversing groove (502);
the middle of the arc-shaped elastic top plate (503) is spring steel of the arc-shaped plate, and two sides of the arc-shaped elastic top plate (503) are fixedly connected with the left side of the left clamping groove (501) in the outer reversing groove (502) through a support.
5. The english four-line grid quick hand-drawing tool of claim 4, wherein: the left clamping groove (501) comprises:
the adjusting through groove (5011) is a square hole, the adjusting through groove (5011) is arranged in the middle of the left clamping groove (501), and the adjusting through groove (5011) penetrates through the left clamping groove (501) and is arranged with the outer reversing groove (502).
6. The english four-line grid quick hand-drawing tool of claim 1, wherein: the reversing synchronous belt (601) comprises:
the outer anti-skid pattern (6011), the outer anti-skid pattern (6011) is arranged on the surface of the right belt body of the reversing synchronous belt (601), and the outer anti-skid pattern (6011) is a rectangular wale;
a shaft of the synchronous pulley (6012) is rotatably connected in the groove of the outer reversing groove (502) through a bearing, and the synchronous pulley (6012) is connected with and meshed with a reversing synchronous belt (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680596.4A CN113183669B (en) | 2021-06-18 | 2021-06-18 | English four-line grid rapid hand-drawing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110680596.4A CN113183669B (en) | 2021-06-18 | 2021-06-18 | English four-line grid rapid hand-drawing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113183669A CN113183669A (en) | 2021-07-30 |
| CN113183669B true CN113183669B (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110680596.4A Active CN113183669B (en) | 2021-06-18 | 2021-06-18 | English four-line grid rapid hand-drawing tool |
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| Country | Link |
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| GB513015A (en) * | 1938-03-30 | 1939-10-02 | Abraham Bloch | An improved line-ruling device for use on blackboards or the like |
| GB676890A (en) * | 1949-10-13 | 1952-08-06 | Alan Clift Aston | Improvements in and relating to drawing or inscribing instruments |
| JP2007125891A (en) * | 2006-11-01 | 2007-05-24 | Hiroaki Kuroda | Appliance for drawing some lines |
| CN201833788U (en) * | 2010-03-17 | 2011-05-18 | 安硕文教用品(上海)有限公司 | Pencil sharpening machine |
| CN203920162U (en) * | 2014-07-05 | 2014-11-05 | 哈尔滨石油学院 | English stave scriber |
| CN206426715U (en) * | 2016-12-12 | 2017-08-22 | 青岛农业大学 | A kind of chalk fixes anti-off device |
| CN108095283A (en) * | 2018-01-30 | 2018-06-01 | 福建聚云科技股份有限公司 | A kind of dedicated writing case with alarm set of student |
| CN108790505A (en) * | 2018-05-30 | 2018-11-13 | 李跃端 | A kind of English scoring device convenient for adjusting |
| CN211892658U (en) * | 2020-04-08 | 2020-11-10 | 湖南幼儿师范高等专科学校 | Marking tool is used in primary school's english teaching |
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2021
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513015A (en) * | 1938-03-30 | 1939-10-02 | Abraham Bloch | An improved line-ruling device for use on blackboards or the like |
| GB676890A (en) * | 1949-10-13 | 1952-08-06 | Alan Clift Aston | Improvements in and relating to drawing or inscribing instruments |
| JP2007125891A (en) * | 2006-11-01 | 2007-05-24 | Hiroaki Kuroda | Appliance for drawing some lines |
| CN201833788U (en) * | 2010-03-17 | 2011-05-18 | 安硕文教用品(上海)有限公司 | Pencil sharpening machine |
| CN203920162U (en) * | 2014-07-05 | 2014-11-05 | 哈尔滨石油学院 | English stave scriber |
| CN206426715U (en) * | 2016-12-12 | 2017-08-22 | 青岛农业大学 | A kind of chalk fixes anti-off device |
| CN108095283A (en) * | 2018-01-30 | 2018-06-01 | 福建聚云科技股份有限公司 | A kind of dedicated writing case with alarm set of student |
| CN108790505A (en) * | 2018-05-30 | 2018-11-13 | 李跃端 | A kind of English scoring device convenient for adjusting |
| CN211892658U (en) * | 2020-04-08 | 2020-11-10 | 湖南幼儿师范高等专科学校 | Marking tool is used in primary school's english teaching |
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| CN113183669A (en) | 2021-07-30 |
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