CN112046177A - Pencil sharpening method of compasses with self-supporting paintbrushes - Google Patents
Pencil sharpening method of compasses with self-supporting paintbrushes Download PDFInfo
- Publication number
- CN112046177A CN112046177A CN202010992407.2A CN202010992407A CN112046177A CN 112046177 A CN112046177 A CN 112046177A CN 202010992407 A CN202010992407 A CN 202010992407A CN 112046177 A CN112046177 A CN 112046177A
- Authority
- CN
- China
- Prior art keywords
- inner cavity
- gear
- rod
- pen
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/02—Compasses
-
- 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
- B43L23/00—Sharpeners for pencils or leads
- B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
-
- 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
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/16—Features common to compasses, dividers, and callipers
- B43L9/24—Means for mounting points or writing appliances on legs
Abstract
The application discloses a pencil sharpening method of a pair of compasses with a self-supporting painting brush, wherein the compasses with the self-supporting painting brush comprise an upper support, a circle center assembly hinged to the right side of the upper support, a scribing assembly hinged to the left side of the upper support, a pencil rotating device, a pencil feeding device and a pencil sharpening device; the pencil sharpening method comprises the following steps: step 1, pre-adjusting the position of a painting brush before sharpening; step 2, sharpening the pencil; and 3, adjusting the final position of the painting brush.
Description
Technical Field
The application relates to the technical field of cultural and educational equipment, in particular to a pencil sharpening method of compasses with a self-supporting painting brush.
Background
Compasses are used for drawing circles or strings in mathematics and drawing, and are commonly used for drawing rulers and compasses. The compasses are made of metal, plastic and the like, and comprise two parts which are connected through a hinge and can be adjusted. The compasses usually comprise a supporting leg which is used as a support and is abutted against the blackboard or paper, and a clamping leg which can rotate around the supporting leg and is used for clamping a painting brush and drawing on the blackboard or the paper.
Clamping legs of the existing compasses clamp a painting brush (a pencil, a pencil lead, chalk and the like), but the painting brush cannot be cut, and due to the fact that the painting brush is inclined relative to a paper surface, circle drawing precision is seriously affected when the painting brush is too thick. Therefore, the compasses capable of cutting the clamped painting brush need to be designed.
Disclosure of Invention
A method for sharpening a compasses with a self-contained painting brush comprises an upper bracket, a circle center component hinged on the right side of the upper bracket, and a scribing component hinged on the left side of the upper bracket,
the upper bracket comprises a hollow shell and a handheld upper rod arranged at the upper end of the hollow shell, the lower end and the left end of the hollow shell are provided with openings, and the left side of the upper end surface of the hollow shell is provided with an upper opening;
the circle center assembly comprises a first gear and a circle center rod body fixed at the lower end of the first gear, and a rotatable first center shaft inserted in the inner cavity of the hollow shell is formed in the position of the center shaft of the first gear;
the scribing component comprises a second gear and a scribing rod body fixed below the second gear, a rotatable second middle shaft inserted in the inner cavity of the hollow shell is formed in the middle shaft of the second gear, and a gear inner cavity is formed in the second gear;
the scribing assembly further comprises:
the pen rotating device is arranged in the scribing rod body and used for accommodating and driving the painting brush to rotate;
the pen feeding device is arranged in the scribing rod body and used for driving the painting brush to move up and down in the pen rotating device;
the pencil sharpening device is arranged below the side surface of the scribing rod body and is used for sharpening the pencil point of the painting brush;
the upper half part of the outer wall of the scribing rod body is molded with external threads, the scribing rod body is molded with a rod body inner cavity along the axial direction, an inner cavity middle ring is molded in the inner cavity of the rod body along the middle part, an inner cavity lower ring is molded in the inner cavity of the rod body along the lower end, an inner cavity upper hole communicated with the inner cavity of the gear is molded at the upper end of the rod body inner cavity, and a longitudinal side hole is formed in the side surface of the part, located above the inner cavity middle ring;
it includes rotatable establishing to change a device the body of rod inner chamber is located the rotation pen container of inner chamber zhonghuan below, establishes rotate driven bulge loop, the rotatable establishment of pen container upper end the body of rod inner chamber first half and pass the hollow cylinder that the inner chamber zhonghuan set up, hollow cylinder lower extreme is located the shaping of inner chamber zhonghuan below department has initiative bulge loop, terminal surface and driven bulge loop up end transmission are connected under the initiative bulge loop, change a device and still including establishing hollow cylinder upper end and insert the rotation dabber in inner chamber upper bore, shaping in rotate the driven cone pulley of dabber upper end, change a device and still including rotatable establishing the initiative cone pulley of gear inner chamber, establish with one heart drive gear, the intercommunication of initiative cone pulley lower extreme are established slide bar longitudinal hole along under the gear inner chamber left side, are established slide bar, slide bar lateral wall of slide bar longitudinal hole side, The pen feeding rotary drum is characterized by comprising a transmission rack which is slidably inserted into the longitudinal hole of the slide rod and is in transmission connection with the transmission gear, and a side-arranged stop head which is arranged on the side face of the transmission rack and penetrates through the side hole of the slide rod, wherein a pen rotating pressure spring is also arranged below the side-arranged stop head in the longitudinal hole of the slide rod, the upper end of the transmission rack passes through an inner cavity of a gear and penetrates through the upper end of a second gear and an upper opening, and the cross section of the pen feeding rotary drum is a non-circular cross section which;
the pen feeding device comprises a rotation stopping side hole longitudinally formed in the side face of the hollow cylinder, a pen feeding core rod slidably inserted in the hollow cylinder, a rotation stopping insertion rod formed above the side face of the pen feeding core rod and penetrating through the rotation stopping side hole, and a longitudinal moving sleeve ring rotatably sleeved on the hollow cylinder, wherein a sleeve ring groove for accommodating the rotation stopping insertion rod to rotate is formed in the inner edge of the longitudinal moving sleeve ring, a longitudinal moving cross rod penetrating through the longitudinal side hole is formed in the outer wall of the longitudinal moving sleeve ring, the pen feeding device further comprises an adjusting nut screwed on the outer wall of the scribing rod body, and a nut ring groove for accommodating the longitudinal moving cross rod is formed in the inner wall of the adjusting nut;
the pencil sharpening device comprises a pencil sharpening base arranged below the left side of the scribing rod body, a pressing longitudinal hole arranged above the pencil sharpening base along the longitudinal direction, a pressing side hole arranged below the left side of the pressing longitudinal hole, a slidable insertion rod arranged in the pressing longitudinal hole, a pressing side rod formed by pressing the side surface of the longitudinal rod and penetrating the pressing side rod arranged by the pressing side hole, a spring lower cavity formed below the pencil sharpening base, a spring cross rod transversely arranged in the spring lower cavity, a pencil sharpening pressure spring wound on the spring cross rod, a cutting jack arranged below the right side of the pressing longitudinal hole, a trapezoidal sliding block arranged in the cutting jack in a slidable manner, and a spring baffle ring formed on the left side of the lower end surface of the trapezoidal sliding block and sleeved on the spring cross rod, the spring retaining ring is blocked at the left side of the pencil sharpening pressure spring, and a cutting blade is formed at the right side of the trapezoidal sliding block;
the pencil sharpening method comprises the following steps:
step 1, pre-adjusting the position of a painting brush before pencil sharpening:
rotating the adjusting nut to make the adjusting nut step by step along the scribing rod body;
the nut ring groove of the adjusting nut drives the longitudinal moving cross rod and the longitudinal moving lantern ring to move along the up-down direction;
the lantern ring groove of the longitudinal moving lantern ring drives the rotation stopping inserted bar and the pen refill feeding bar to move up and down;
the pen core feeding rod drives the painting brush to move in the rotating pen container along the up-down direction until the lower end of the painting brush is aligned with the lower edge of the trapezoidal sliding block of the pen cutting device;
the lower end of the pressing longitudinal rod acts on the left end face of the trapezoidal sliding block to drive the trapezoidal sliding block and the spring retaining ring to overcome the pencil cutting pressure spring to move rightwards, and the lower edge of the cutting blade on the right side of the trapezoidal sliding block is abutted and contacted with a painting brush;
at the same time as this is done,
the other hand operates the transmission rack to reciprocate in the up-and-down direction:
pressing the transmission rack and the side retaining head by hands to overcome the elasticity of the pen-rotating pressure spring to move downwards, and then loosening the hands to enable the transmission rack and the side retaining head to move upwards and reset;
the transmission gear and the driving cone pulley are driven to rotate in a reciprocating manner by the reciprocating motion of the transmission rack;
the driving cone pulley acts on the driven cone pulley, the rotating mandrel, the hollow cylinder and the driving convex ring to perform reciprocating rotation, and the driving convex ring drives the driven convex ring and the rotating pen container to perform reciprocating rotation;
the section of the rotating pen container is a non-circular section, so that the rotating pen container drives the painting brush to rotate in a reciprocating manner;
the cutting blade on the right side of the trapezoidal sliding block continuously cuts the lower end of the painting brush into an inverted trapezoidal shape with a wide upper part and a narrow lower part;
and 3, adjusting the final position of the painting brush:
releasing the hand which presses the pressing longitudinal rod and presses the transmission rack in a reciprocating manner;
then, the adjusting nut is rotated again according to the record in the step 1, and the position of the painting brush is adjusted;
until the lower end of the painting brush is flush with the lower end of the circle center rod body.
As a further implementation scheme, radial tooth grooves are uniformly distributed on the lower end surface of the driving convex ring and the upper end surface of the driven convex ring in the circumferential direction.
Has the advantages that:
when the compasses with the self-holding painting brush are used, the upper hand-held rod is held, the first middle shaft of the circle center assembly is abutted to a blackboard or paper, then the scribing assembly is rotated by taking the first middle shaft as the circle center, and the painting brush clamped by the scribing assembly can draw a circular track.
According to the compasses capable of holding the painting brush, the position of the painting brush in the longitudinal direction can be adjusted through the brush feeding device, the painting brush can be rotated through the brush rotating device, and the lower end of the painting brush is cut by the aid of the pencil cutting device in the rotating process of the painting brush, so that the compasses capable of holding the painting brush can automatically clamp and cut the painting brush to get rid of dependence on a pencil cutter.
The compasses capable of holding the painting brush are reasonable in structure, the functions of holding the painting brush and cutting the painting brush are achieved by improving the two rotating arms of the existing compasses, and the compasses can be conveniently carried by rotating the circle center assembly and the scribing assembly to a folding posture when not used.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a cross-sectional view of one embodiment of the compass.
FIG. 2 is a cross-sectional view of another embodiment of the compass.
FIG. 3 is a cross-sectional view of another embodiment of the compass.
Fig. 4 is a cross-sectional view of one embodiment of the scribe assembly.
Fig. 5 is an enlarged schematic view of a portion a of fig. 1.
Figure 6 is a cross-sectional view of one embodiment of section D-D of figure 5.
Figure 7 is a cross-sectional view of an alternative embodiment of section D-D of figure 5.
Fig. 8 is an enlarged schematic view of part B of fig. 1.
Fig. 9 is an enlarged schematic view of part B of fig. 1.
Fig. 10 is a sectional view of the C-C in fig. 2.
FIG. 11 is a top view of one embodiment of the compass.
Icon:
1. an upper bracket, 11, a hollow shell, 12, a handheld upper rod and 13, an upper opening;
2. the circle center assembly 21 is a first gear 21a and a first middle shaft;
3. the scribing component 31, the second gear 31a, the second middle shaft 31b, and the gear inner cavity 31 b;
32. the marking rod body is 32a, a rod body inner cavity, 32b, an inner cavity middle ring, 32c, an inner cavity lower ring, 32d, an inner cavity upper hole and 32e, a longitudinal side hole;
33. the pen rotating device comprises a pen rotating device, a rotating pen container, a driven convex ring, a hollow cylinder, a driving convex ring, a rotating mandrel, a driven cone pulley, a driving cone pulley, a transmission gear, a sliding rod longitudinal hole, a sliding rod side hole, a transmission rack, a side retaining head and a pen rotating pressure spring, wherein the pen rotating device is 33a, the driven convex ring is 33b, the hollow cylinder is 33c, the driving convex ring is 33d, the rotating mandrel is 33e, the driven cone pulley is 33f, the driving cone pulley is 33g, the transmission gear is 33h, the sliding rod longitudinal;
34. a pen feeding device, 34a, a rotation stopping side hole, 34b, a pen feeding core rod, 34c, a rotation stopping insertion rod, 34d, a longitudinal moving lantern ring, 34e, a longitudinal moving cross rod and 34f, an adjusting nut;
35. the pencil sharpening device comprises a pencil sharpening base 35a, a longitudinal hole 35b, a lateral hole 35c, a longitudinal rod 35d, a lateral rod 35e, a spring lower cavity 35f, a spring cross rod 35g, a pencil sharpening pressure spring 35h, a cutting jack 35i, a trapezoidal sliding block 35j and a spring retaining ring 35k.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
A pencil sharpening method of compasses with a self-supporting painting brush is characterized in that:
the compasses for the self-holding paintbrush comprise an upper bracket 1, a circle center component 2 hinged on the right side of the upper bracket 1, and a scribing component 3 hinged on the left side of the upper bracket 1,
the upper bracket 1 comprises a hollow shell 11 and a handheld upper rod 12 arranged at the upper end of the hollow shell 11, the lower end and the left end of the hollow shell 11 are provided with openings, and the left side of the upper end surface of the hollow shell 11 is provided with an upper opening 13;
the circle center assembly 2 comprises a first gear 21 and a circle center rod body 22 fixed at the lower end of the first gear 21, and a rotatable first center shaft 21a inserted into the inner cavity of the hollow shell 11 is formed in the center shaft of the first gear 21;
the scribing component 3 comprises a second gear 31 and a scribing rod body 32 fixed below the second gear 31, a second central shaft 31a which is rotatably inserted into the inner cavity of the hollow shell 11 is formed in the central shaft of the second gear 31, and a gear inner cavity 31b is formed in the second gear 31;
the scribing assembly 3 further comprises:
the pen rotating device 33 is arranged in the scribing rod body 32 and used for accommodating and driving the painting brush a to rotate;
a pen feeding device 34, which is arranged in the scribing rod body 32 and is used for driving the painting brush a to move up and down in the pen rotating device 33;
a pencil sharpening device 35 provided below the side surface of the scribing rod body 32 for sharpening the tip of the brush a;
an external thread is formed on the upper half part of the outer wall of the scribing rod body 32, a rod body inner cavity 32a is formed in the scribing rod body 32 along the axial direction, an inner cavity middle ring 32b is formed in the middle of the inner edge of the rod body inner cavity 32a, an inner cavity lower ring 32c is formed in the lower end of the inner edge of the rod body inner cavity 32a, an inner cavity upper hole 32d communicated with the gear inner cavity 31b is formed in the upper end of the rod body inner cavity 32a, and a longitudinal side hole 32e is formed in the side surface of the part, located above the inner cavity middle ring 32 b;
the pen rotating device 33 comprises a rotating pen container 33a which is rotatably arranged in the rod inner cavity 32a and is positioned below the inner cavity middle ring 32b, a driven convex ring 33b which is arranged at the upper end of the rotating pen container 33a, and a hollow cylinder 33c which is rotatably arranged at the upper half part of the rod inner cavity 32a and penetrates through the inner cavity middle ring 32b, wherein a driving convex ring 33d is formed at the lower end of the hollow cylinder 33c and is positioned below the inner cavity middle ring 32b, the lower end surface of the driving convex ring 33d is in transmission connection with the upper end surface of the driven convex ring 33b, the pen rotating device 33 further comprises a rotating mandrel 33e which is arranged at the upper end of the hollow cylinder 33c and is inserted into the inner cavity upper hole 32d, a driven cone pulley 33f which is formed at the upper end of the rotating mandrel 33e, and the pen rotating device 33 further comprises a driving cone pulley 33g which is rotatably arranged in the gear inner cavity 31, A slide bar longitudinal hole 33i communicated with the lower edge of the left side of the gear cavity 31b, a slide bar side hole 33j arranged on the side surface of the slide bar longitudinal hole 33i, a transmission rack 33k slidably inserted in the slide bar longitudinal hole 33i and in transmission connection with a transmission gear 33h, and a side stop 33l arranged on the side surface of the transmission rack 33k and penetrating through the slide bar side hole 33j, wherein a pen rotating pressure spring 33m is further arranged below the side stop 33l in the slide bar longitudinal hole 33i, the upper end of the transmission rack 33k passes through the gear cavity 31b and penetrates through the upper end of the second gear 31 and the upper opening 13, and the cross section of the pen feeding rotary drum 33a is a non-circular section adapted to the painting pen a;
the pen feeding device 34 comprises a rotation stopping side hole 34a longitudinally arranged on the side surface of the hollow cylinder 33c, a pen feeding core rod 34b slidably inserted in the hollow cylinder 33c, a rotation stopping insertion rod 34c formed above the side surface of the pen feeding core rod 34b and penetrating through the rotation stopping side hole 34a, and a longitudinal moving lantern ring 34d rotatably sleeved on the hollow cylinder 33c, wherein a lantern ring groove for accommodating the rotation stopping insertion rod 34c is arranged on the inner edge of the longitudinal moving lantern ring 34d, a longitudinal moving cross rod 34e penetrating through the longitudinal side hole 32e is arranged on the outer wall of the longitudinal moving lantern ring 34d, the pen feeding device 34 further comprises an adjusting nut 34f screwed on the outer wall of the scribing rod body 32, and a nut ring groove for accommodating the longitudinal moving cross rod 34e is arranged on the inner wall of the adjusting nut 34 f;
cut a device 35 including establish the base 35a of cutting of drawing a line body of rod 32 left side below, along vertically establish press vertical hole 35b, the shaping in cut a base 35a top press vertical hole 35b, the shaping in press vertical hole 35b left side below press side hole 35c, slidable insert establish press vertical rod 35d in the vertical hole 35b, the shaping in press vertical rod 35d side and pass press the side pole 35e of pressing that side hole 35c set up, the shaping in cut a base 35a below spring cavity 35f, along transversely establish spring cross bar 35g in the spring cavity 35f, the wraparound is in cut a pressure spring 35h on the spring cross bar 35g, establish cut vertical hole 35b right side below cutting jack 35i, slidable establish under the last narrow wide trapezoidal slider 35j in the cutting jack 35i, the shaping in trapezoidal slider 35j bottom surface left side and cover are established spring retainer ring 35k on the spring cross bar 35g, the spring retaining ring 35k is retained on the left side of the pencil sharpening pressure spring 35h, and a cutting blade is formed on the right side of the trapezoidal sliding block 35 j;
the pencil sharpening method comprises the following steps:
step 1, pre-adjusting the position of a painting brush a before sharpening:
turning the adjustment nut 34f to rotationally step along the scribe bar body 32;
the nut ring groove of the adjusting nut 34f drives the longitudinal moving cross rod 34e and the longitudinal moving lantern ring 34d to move along the up-down direction;
the lantern ring groove of the longitudinal moving lantern ring 34d drives the rotation stopping inserted bar 34c and the pen core feeding bar 34b to move along the up-down direction;
the pen core feeding rod 34b drives the painting brush a to move in the rotating pen container 33a along the up-down direction until the lower end of the painting brush a is aligned with the lower edge of the trapezoidal sliding block 35j of the pencil sharpening device 35;
the pressing longitudinal rod 35d and the pressing side rod 35e are pressed for overcoming the acting force of the pencil sharpening compression spring 35h, the lower end of the pressing longitudinal rod 35d acts on the left end face of the trapezoidal sliding block 35j to drive the trapezoidal sliding block 35j and the spring retaining ring 35k to overcome the action of the pencil sharpening compression spring 35h to move rightwards, and the lower edge of the cutting blade on the right side of the trapezoidal sliding block 35j is abutted and contacted with the painting brush a;
at the same time as this is done,
the other hand operates the driving rack 33k to reciprocate in the up-down direction:
the transmission rack 33k and the side stop 33l are pressed by hands to overcome the elasticity of the pen rotating pressure spring 33m to move downwards, and then the transmission rack 33k and the side stop 33l move upwards to reset by releasing the hands;
the reciprocating motion of the transmission rack 33k drives the transmission gear 33h and the driving bevel wheel 33g to rotate in a reciprocating manner;
the driving cone pulley 33g acts on the driven cone pulley 33f, the rotating mandrel 33e, the hollow cylinder 33c and the driving convex ring 33d to rotate in a reciprocating manner, and the driving convex ring 33d drives the driven convex ring 33b and the rotating pen container 33a to rotate in a reciprocating manner;
the section of the rotating pen barrel 33a is a non-circular section, so that the rotating pen barrel 33a drives the brushes a to rotate back and forth;
the cutting blade on the right side of the trapezoidal sliding block 35j continuously cuts the lower end of the painting brush a into an inverted trapezoidal shape with a wide upper part and a narrow lower part;
and 3, adjusting the final position of the painting brush a:
releasing the hand which presses the pressing vertical rod 35d and the reciprocating pressing transmission rack 33 k;
then, the adjusting nut 34f is rotated again according to the record of the step 1, and the position of the painting brush a is adjusted;
until the lower end of the painting brush a is flush with the lower end of the circle center rod body 22.
As a further embodiment, the lower end surface of the driving convex ring 33d and the upper end surface of the driven convex ring 33b are circumferentially and uniformly distributed with radial tooth grooves.
As a further embodiment, the pen feed drum 33a has a regular hexagonal cross-section.
As a further embodiment, a driving key is formed on the lower end surface of the driving convex ring 33d, and a driving groove matched with the driving key is formed on the upper end surface of the driven convex ring 33b.
As a further embodiment, the lower end of the pen feeding rod 34b is fixedly connected with the brush a through a suction cup.
As a further embodiment, a soft conical head with a wide top and a narrow bottom is arranged at the lower end of the pen feeding rod 34b, and a conical groove matched with the soft conical head is formed at the upper end of the painting brush a.
As a further embodiment, the driving rack 33k is operated once in a one-way full stroke in the up-down direction, and the rotating barrel 33a and the brush a rotate at least one turn.
As a further embodiment, a gear mandrel is arranged at the center of the lower end face of the gear cavity 31b, and the driving bevel wheel 33g and the transmission gear 33h are rotatably sleeved on the gear mandrel; furthermore, the gear mandrel is provided with a mandrel convex ring in an expanding forming mode, a mandrel annular groove matched with the mandrel convex ring is formed in the inner cavity of the transmission gear 33h, and therefore the driving cone pulley 33g and the transmission gear 33h are restrained to avoid axial movement.
Claims (2)
1. A pencil sharpening method of compasses with a self-supporting painting brush is characterized in that:
the compasses with the self-holding paintbrush comprise an upper bracket (1), a circle center component (2) hinged on the right side of the upper bracket (1), and a scribing component (3) hinged on the left side of the upper bracket (1),
the upper bracket (1) comprises a hollow shell (11) and a handheld upper rod (12) arranged at the upper end of the hollow shell (11), the lower end and the left end of the hollow shell (11) are provided with openings, and the left side of the upper end surface of the hollow shell (11) is provided with an upper opening (13);
the circle center assembly (2) comprises a first gear (21) and a circle center rod body (22) fixed at the lower end of the first gear (21), and a rotatable first center shaft (21a) inserted in the inner cavity of the hollow shell (11) is formed in the center shaft position of the first gear (21);
the scribing component (3) comprises a second gear (31) and a scribing rod body (32) fixed below the second gear (31), a rotatable second middle shaft (31a) inserted into the inner cavity of the hollow shell (11) is formed in the middle shaft of the second gear (31), and a gear inner cavity (31b) is formed in the second gear (31); (ii) a
The scribing assembly (3) further comprises:
the pen rotating device (33) is arranged in the scribing rod body (32) and used for accommodating and driving the painting brush (a) to rotate;
a pen feeding device (34) arranged in the scribing rod body (32) and used for driving the painting pen (a) to move up and down in the pen rotating device (33);
a pencil sharpening device (35) provided below the side surface of the scribing rod body (32) for sharpening the tip of the drawing pencil (a);
the upper half part of the outer wall of the scribing rod body (32) is molded with an external thread, the scribing rod body (32) is molded with a rod body inner cavity (32a) along the axial direction, an inner cavity middle ring (32b) is molded in the rod body inner cavity (32a) along the middle part, an inner cavity lower ring (32c) is molded in the rod body inner cavity (32a) along the lower end, an inner cavity upper hole (32d) communicated with the gear inner cavity (31b) is molded in the upper end of the rod body inner cavity (32a), and a longitudinal side hole (32e) is formed in the side surface of the rod body inner cavity (32a) above the inner cavity middle ring (32 b);
the pen rotating device (33) comprises a rotating pen container (33a) which is rotatably arranged in the rod body inner cavity (32a) and is positioned below the inner cavity middle ring (32b), a driven convex ring (33b) which is arranged at the upper end of the rotating pen container (33a), and a hollow cylinder (33c) which is rotatably arranged at the upper half part of the rod body inner cavity (32a) and penetrates through the inner cavity middle ring (32b), wherein a driving convex ring (33d) is formed at the lower end of the hollow cylinder (33c) and is positioned below the inner cavity middle ring (32b), the lower end face of the driving convex ring (33d) is in transmission connection with the upper end face of the driven convex ring (33b), the pen rotating device (33) further comprises a rotating mandrel (33e) which is arranged at the upper end of the hollow cylinder (33c) and is inserted into the inner cavity upper hole (32d), and a driven cone pulley (33f) which is formed at, it establishes still to change a device (33) including rotatable establishing the initiative cone pulley (33g) of gear inner chamber (31b), establish with one heart drive gear (33h) of initiative cone pulley (33g) lower extreme, intercommunication establish slide bar longitudinal bore (33i) of edge under gear inner chamber (31b) left side, establish slide bar side opening (33j) of slide bar longitudinal bore (33i) side, slidable insert establish in slide bar longitudinal bore (33i) and with drive gear (33h) transmission connection's driving rack (33k), establish side gear (33l) that sets up in driving rack (33k) side and pass slide bar side opening (33j), it still is equipped with and changes a pressure spring (33m) to lie in side gear (33l) below in hole (33i) to lie in, driving rack (33k) upper end is through second gear (31) upper end and put opening (13) setting via gear inner chamber (31b), the cross section of the pen feeding rotary cylinder (33a) is a non-circular section which is adaptive to the painting brush (a);
the pen feeding device (34) comprises a rotation stopping side hole (34a) longitudinally arranged on the side surface of the hollow cylinder (33c), a pen feeding core rod (34b) slidably inserted in the hollow cylinder (33c), a rotation stopping insertion rod (34c) formed above the side surface of the pen feeding core rod (34b) and penetrating through the rotation stopping side hole (34a), and a longitudinal moving lantern ring (34d) rotatably sleeved on the hollow cylinder (33c), a lantern ring groove for accommodating the rotation of the rotation-stopping inserted rod (34c) is arranged on the inner edge of the longitudinal moving lantern ring (34d), the outer wall of the longitudinally moving lantern ring (34d) is provided with a longitudinally moving cross rod (34e) which passes through the longitudinally arranged side hole (32e), the pen feeding device (34) also comprises an adjusting nut (34f) which is screwed on the outer wall of the marking rod body (322), the inner wall of the adjusting nut (34f) is provided with a nut ring groove for accommodating the longitudinally moving cross rod (34 e);
cut a device (35) including establishing the marking off body of rod (32) left side below cut a base (35a), along vertically establishing pressing down of cutting a base (35a) top indulge hole (35b), shaping in press down side hole (35c), slidable and insert and establish press down indulge pole (35d) in hole (35b), shaping in pressing down indulge pole (35d) side and pass and press down side lever (35e) that side hole (35c) set up, shaping in cut spring chamber (35f) of base (35a) below, along transversely establishing spring horizontal pole (35g) in spring chamber (35f), around connecing and being in cut a pressure spring (35h) on spring horizontal pole (35g), establish press down and indulge hole (35b) right side below cutting jack (35i), slidable establishes last narrow down wide trapezoidal slider (35j) in cutting jack (35i), A spring baffle ring (35k) is formed on the left side of the lower end face of the trapezoidal sliding block (35j) and sleeved on the spring cross rod (35g), the spring baffle ring (35k) is stopped on the left side of the pencil sharpening pressure spring (35h), and a cutting blade is formed on the right side of the trapezoidal sliding block (35 j);
the pencil sharpening method comprises the following steps:
step 1, pre-adjusting the position of a painting brush (a) before sharpening:
rotating the adjusting nut (34f) in steps along the scribing rod body (32);
the nut ring groove of the adjusting nut (34f) drives the longitudinal moving cross rod (34e) and the longitudinal moving lantern ring (34d) to move along the up-down direction;
the lantern ring groove of the longitudinally moving lantern ring (34d) drives the rotation stopping inserted bar (34c) and the pen core feeding bar (34b) to move along the up-down direction;
the pencil feeding core bar (34b) drives the painting brush (a) to move in the rotating pencil barrel (33a) along the up-down direction until the lower end of the painting brush (a) is aligned with a trapezoidal sliding block (35j) of the pencil sharpening device (35) to form a lower edge;
step 2, pencil sharpening:
the pressing longitudinal rod (35d) and the pressing side rod (35e) are pressed for overcoming the acting force of a pencil sharpening compression spring (35h) to move downwards, the lower end of the pressing longitudinal rod (35d) acts on the left end face of the trapezoidal sliding block (35j) to drive the trapezoidal sliding block (35j) and the spring retaining ring (35k) to move rightwards overcoming the pencil sharpening compression spring (35h), and the lower edge of the cutting blade on the right side of the trapezoidal sliding block (35j) is in abutting contact with a pencil (a);
at the same time as this is done,
the other hand operates the transmission rack (33k) to reciprocate in the up-and-down direction:
the transmission rack (33k) and the side stop head (33l) are pressed by hands to overcome the elasticity of the pen rotating pressure spring (33m) to move downwards, and then the transmission rack (33k) and the side stop head (33l) move upwards to reset by releasing the hands;
the transmission rack (33k) reciprocates to drive the transmission gear (33h) and the driving cone pulley (33g) to rotate in a reciprocating manner;
the driving cone pulley (33g) acts on the driven cone pulley (33f), the rotating mandrel (33e), the hollow cylinder (33c) and the driving convex ring (33d) to rotate in a reciprocating manner, and the driving convex ring (33d) drives the driven convex ring (33b) and the rotating pen container (33a) to rotate in a reciprocating manner;
the section of the rotating pen container (33a) is a non-circular section, so that the rotating pen container (33a) drives the brushes (a) to rotate in a reciprocating manner;
the cutting blade on the right side of the trapezoidal sliding block (35j) continuously cuts the lower end of the painting brush (a) into an inverted trapezoidal shape with a wide upper part and a narrow lower part;
step 3, adjusting the final position of the painting brush (a):
releasing the hand which presses the pressing vertical rod (35d) and the reciprocating pressing transmission rack (33 k);
then, the adjusting nut (34f) is rotated again according to the record of the step 1, and the position of the painting brush (a) is adjusted;
until the lower end of the painting brush (a) is flush with the lower end of the circle center rod body (22).
2. The method for sharpening the compasses with a self-supporting brush as claimed in claim 1, wherein: radial tooth sockets are uniformly distributed on the lower end face of the driving convex ring (33d) and the upper end face of the driven convex ring (33b) in the circumferential direction respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010992407.2A CN112046177B (en) | 2020-09-21 | 2020-09-21 | Pencil sharpening method of compasses with self-supporting paintbrushes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010992407.2A CN112046177B (en) | 2020-09-21 | 2020-09-21 | Pencil sharpening method of compasses with self-supporting paintbrushes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112046177A true CN112046177A (en) | 2020-12-08 |
| CN112046177B CN112046177B (en) | 2022-04-29 |
Family
ID=73604012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010992407.2A Active CN112046177B (en) | 2020-09-21 | 2020-09-21 | Pencil sharpening method of compasses with self-supporting paintbrushes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112046177B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203995318U (en) * | 2014-05-14 | 2014-12-10 | 司进立 | A kind of educational compasses |
| CN204095376U (en) * | 2014-09-02 | 2015-01-14 | 陈春周 | Pencil sharpener |
| CN204398675U (en) * | 2015-02-06 | 2015-06-17 | 郭俊和 | A kind of pen universal compasses |
| CN205272937U (en) * | 2015-11-20 | 2016-06-01 | 晏南飞 | Multifunctional chalk cover |
| CN109130620A (en) * | 2018-09-07 | 2019-01-04 | 鲍雪儿 | One kind is for drawing circular plotter |
| CN208664731U (en) * | 2018-06-15 | 2019-03-29 | 连云港师范高等专科学校 | A kind of compass for math teaching |
| JP6620284B1 (en) * | 2019-04-30 | 2019-12-18 | 東営奇好日用品有限公司 | Compass that can measure angle automatically |
-
2020
- 2020-09-21 CN CN202010992407.2A patent/CN112046177B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203995318U (en) * | 2014-05-14 | 2014-12-10 | 司进立 | A kind of educational compasses |
| CN204095376U (en) * | 2014-09-02 | 2015-01-14 | 陈春周 | Pencil sharpener |
| CN204398675U (en) * | 2015-02-06 | 2015-06-17 | 郭俊和 | A kind of pen universal compasses |
| CN205272937U (en) * | 2015-11-20 | 2016-06-01 | 晏南飞 | Multifunctional chalk cover |
| CN208664731U (en) * | 2018-06-15 | 2019-03-29 | 连云港师范高等专科学校 | A kind of compass for math teaching |
| CN109130620A (en) * | 2018-09-07 | 2019-01-04 | 鲍雪儿 | One kind is for drawing circular plotter |
| JP6620284B1 (en) * | 2019-04-30 | 2019-12-18 | 東営奇好日用品有限公司 | Compass that can measure angle automatically |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112046177B (en) | 2022-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5024565A (en) | Hand tool | |
| CN107116243A (en) | Fixture | |
| CN112046177B (en) | Pencil sharpening method of compasses with self-supporting paintbrushes | |
| CN112046176B (en) | Compasses with self-holding painting brush | |
| CN210821512U (en) | Pen with anti-lost pen cap | |
| EP1563935A3 (en) | Spindle structure of a machine tool | |
| US4161374A (en) | Twist retractable writing implement | |
| CN210548560U (en) | Portable screw hole first tooth chamfering tool | |
| US5645117A (en) | Tompkins turner | |
| CN108422779B (en) | Adjustable hob rest of pencil sharpener | |
| CN211461758U (en) | Tattooing pen and upper adjusting direct-drive device thereof | |
| CN209600110U (en) | Push type writing pencil | |
| CN206154959U (en) | Knockout pen rotates | |
| CN220410119U (en) | Incense craft pen | |
| CN219382085U (en) | Carving tool with conveniently replaced tool bit | |
| KR102620921B1 (en) | Billiard cue end and tip processing apparatus | |
| CN214723755U (en) | Screwdriver with adjustable cutter bar | |
| CN216800277U (en) | Spraying device for surface of pen holder of ball-point pen | |
| CN209752041U (en) | skipping rope handle | |
| CN212555630U (en) | Pencil sharpening mechanism capable of adjusting thickness of pencil point | |
| CN216423937U (en) | Be used for glyptic sculpture sword of work of art | |
| CN214523073U (en) | Pencil point thickness adjusting mechanism of pencil sharpener | |
| CN210211881U (en) | Scratch tool for processing white left in painting | |
| CN211641565U (en) | Telescopic pen cap | |
| US1107483A (en) | Tenon-cutter. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |