CN107856446A

CN107856446A - A kind of modified form compasses

Info

Publication number: CN107856446A
Application number: CN201711136964.9A
Authority: CN
Inventors: 周默
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-16
Filing date: 2017-11-16
Publication date: 2018-03-30
Anticipated expiration: 2037-11-16
Also published as: CN107856446B

Abstract

The invention discloses a kind of modified form compasses, including pedestal, first groove, drive mechanism, first gear, second gear, fixed mechanism, handle, reading mechanism, first supporting leg, second supporting leg and pilot pin, the lower end of the pedestal is provided with the first groove, first gear and second gear are provided with first groove, the first gear engages connection with second gear, the lower end of the first gear and second gear is respectively equipped with the first supporting leg and the second supporting leg, the lower end of first supporting leg is provided with the fixed mechanism that can fix drawing pen or pen core, the lower end of second supporting leg is provided with dismountable pilot pin, the drive mechanism that driving second gear rotates is provided with the rear end of first groove, compared with prior art, can be easy to use, good reliability, improve applicability, avoid phenomenon of hurting sb.'s feelings.

Description

A kind of modified form compasses

【Technical field】

The present invention relates to a kind of technical field of students' supplies, particularly a kind of technical field of modified form compasses.

【Background technology】

Compasses are the instruments for drawing circle and circular arc, and it is one of indispensable instrument in our office, study.It by Two parts connect a hinge and formed, and in-between connecting portion can adjust.Chi need to be used in life, during common compasses construction Have measuring radius, in the case where no chi has, there is significant limitation to the figure for making standard, be more often Figure can not be made.

Simultaneously as the connecting portion of compasses is hinge, after compasses long-time use, easily loosens, drawing at hinge During figure, the problem of dislocation usually occurs.

Again because either existing compasses can only coordinate drawing pen to use, or pen core can only be coordinated to use, so as to be applicable Property is relatively low.

【The content of the invention】

The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of modified form compasses, can be easy to use, Good reliability, improve applicability.

To achieve the above object, the present invention proposes a kind of modified form compasses, including pedestal, the first groove, drive mechanism, First gear, second gear, fixed mechanism, handle, reading mechanism, the first supporting leg, the second supporting leg and pilot pin, the pedestal Lower end is provided with the first groove, and first gear and second gear, the first gear and second gear are provided with first groove Engagement connection, the lower end of the first gear and second gear is respectively equipped with the first supporting leg and the second supporting leg, first supporting leg Lower end be provided with and can fix the fixed mechanism of drawing pen or pen core, the lower end of second supporting leg is provided with dismountable pilot pin, The drive mechanism that driving second gear rotates is provided with the rear end of first groove, the side of the pedestal is provided with and driving machine The reading mechanism of structure connection, the upper end of the pedestal is provided with handle, if the fixed mechanism including the first body, some breach, Dry clamping limb, some cramping bodies and the second body, the lower end of first supporting leg are provided with the first body, under first body End is provided with equally distributed breach, is equipped with the clamping limb being rotatably connected in the breach, and the lower end of the clamping limb is the It is a set of to be equipped with the cramping body being rotatably connected in vivo, the second body of threaded connection is arranged with first body, it is described The upper end of clamping limb is ridden on the second body, and the reading mechanism includes the 3rd gear, the 4th gear, transparent cover body, the first quarter Degree area, the second scale area, the first reading pointer and the second reading pointer, the side of the pedestal are provided with the 3rd gear and the 4th tooth Wheel, the 3rd gear is connected with drive mechanism, and the 4th gear engages connection with the 3rd gear, the 3rd gear and the The first reading pointer and the second reading pointer are respectively equipped with the outside of four gears, the side of the pedestal is provided with the tooth of cover lid the 3rd The transparent cover body of wheel and the 4th gear, the transparent cover body are provided with the first scale area and the second scale area, first scale Area and the second scale area are engaged with the first reading pointer and the second reading pointer respectively.

Preferably, the drive mechanism includes mounting seat, worm body, the 5th gear and adjustment cap, first groove Rear end in be provided with mounting seat, the mounting seat is provided with rotatable worm body, the front end of the worm body and second gear Engagement connection, the worm body are provided with the 5th gear that connection is engaged with the 3rd gear in the first groove, set on the pedestal There is the opening for being available for the 5th gear to expose, the rear end of the worm body is provided with adjustment cap, the 3rd gear and the 5th gear Tooth ratio is：1:1.

Preferably, the tooth ratio of the 3rd gear and the 4th gear is：1:10.

Preferably, the lower end of second supporting leg is provided with the second groove, the upper end of second groove is provided with and positioning The 3rd groove that pin is engaged, the upper end of the pilot pin are provided with the grafting body with the second fit depressions, the grafting body Side is inlaid with magnet, and the upper end of the grafting body is provided with the handle with the 3rd fit depressions.

Preferably, the quantity of the breach is four.

Preferably, second supporting leg include upper leg body, lower leg body, the 4th groove, connecting shaft, spring, fixed body and Some fixing grooves, the upper end of the lower leg body are provided with the 4th groove, and the bottom of the 4th groove is provided with the 5th groove, and described Spring and fixed body are provided with five grooves, the lower end of the fixed body is contradicted on the upper end of spring, the lower end of the upper leg body It is rotatably connected by connecting shaft and the 4th groove, the lower surface of the upper leg body is semicircular arc face, the semicircular arc face The fixing groove for being uniformly distributed and being engaged with the upper surface of fixed body is provided with, the upper surface of the fixed body is arcwall face.

Beneficial effects of the present invention：The present invention is by will be provided with first gear and second gear, the first tooth in the first groove Wheel engages connection with second gear, and the lower end of first gear and second gear is respectively equipped with the first supporting leg and the second supporting leg, and first The drive mechanism that driving second gear rotates is provided with the rear end of groove, the side of pedestal is provided with the reading being connected with drive mechanism Mechanism, the problem of can avoiding having measuring radius during traditional compasses construction with chi and dislocation usually occurring；First The lower end of leg is provided with the fixed mechanism that can fix drawing pen and pen core, improves applicability；The lower end of second supporting leg is provided with detachable Pilot pin, and pilot pin can be inserted into the 3rd groove in, phenomenon of hurting sb.'s feelings can be avoided.Compared with prior art, can use It is convenient, good reliability, applicability is improved, avoids phenomenon of hurting sb.'s feelings.

The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.

【Brief description of the drawings】

Fig. 1 is a kind of structural representation of modified form compasses of the present invention；

Fig. 2 is the enlarged drawing of A in Fig. 1；

Fig. 3 is the structural representation of fixed mechanism；

Fig. 4 is the enlarged drawing of B in Fig. 1.

In figure：1- pedestals, the grooves of 2- first, 3- drive mechanisms, 4- first gears, 5- second gears, 6- fixed mechanisms, 7- Handle, 8- reading mechanisms, the supporting legs of 9- first, the supporting legs of 10- second, 11- pilot pins, 12- openings, the grooves of 13- second, 14- the 3rd Groove, 15- grafting body, 16- magnet, 17- handles, 31- mounting seats, 32- worm bodies, the gears of 33- the 5th, 34- adjustment caps, 61- First body, 62- breach, 63- clamping limbs, 64- cramping bodies, the bodies of 65- second, the gears of 81- the 3rd, the gears of 82- the 4th, 83- Transparent cover body, the scale areas of 84- first, the scale areas of 85- second, the first readings of 86- pointer, the second readings of 87- pointer, the upper legs of 101- Leg body, the grooves of 103- the 4th, 104- connecting shafts, 105- springs, 106- fixed bodies, 107- fixing grooves, 108- the 5th under body, 102- Groove.

【Embodiment】

Refering to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of modified form compasses of the present invention, including pedestal 1, the first groove 2, driving machine Structure 3, first gear 4, second gear 5, fixed mechanism 6, handle 7, reading mechanism 8, the first supporting leg 9, the second supporting leg 10 and positioning Pin 11, the lower end of the pedestal 1 are provided with the first groove 2, first gear 4 and second gear 5, institute are provided with first groove 2 State first gear 4 and connection is engaged with second gear 5, the lower end of the first gear 4 and second gear 5 is respectively equipped with the first supporting leg 9 and second supporting leg 10, the lower end of first supporting leg 9 is provided with the fixed mechanism 6 that can fix drawing pen and pen core, described second The lower end of leg 10 is provided with dismountable pilot pin 11, and the drive that driving second gear 5 rotates is provided with the rear end of first groove 2 Motivation structure 3, the side of the pedestal 1 are provided with the reading mechanism 8 being connected with drive mechanism 3, and the upper end of the pedestal 1 is provided with handle 7, the fixed mechanism 6 includes the first body 61, some breach 62, some clamping limbs 63, the body of some cramping bodies 64 and second 65, the lower end of first supporting leg 9 is provided with the first body 61, and the lower end of first body 61 is provided with equally distributed breach 62, be equipped with the clamping limb 63 being rotatably connected in the breach 62, the lower end of the clamping limb 63 in the first body 61 Provided with the cramping body 64 being rotatably connected, the second body 65 of threaded connection, the clamping are arranged with first body 61 The upper end of arm 63 is ridden on the second body 65, the reading mechanism 8 include the 3rd gear 81, the 4th gear 82, transparent cover body 83, First scale area 84, the second scale area 85, the first reading pointer 86 and the second reading pointer 87, the side of the pedestal 1 are provided with 3rd gear 81 and the 4th gear 82, the 3rd gear 81 are connected with drive mechanism 3, the 4th gear 82 and the 3rd gear 81 engagements are connected, and the first reading pointer 86 and the second reading are respectively equipped with the outside of the 3rd gear 81 and the 4th gear 82 Pointer 87, the side of the pedestal 1 are provided with the transparent cover body 83 of the gear 81 of cover lid the 3rd and the 4th gear 82, the transparent cover body 83 are provided with the first scale area 84 and the second scale area 85, and the scale area 85 of the first scale area 84 and second is read with first respectively The number reading pointer 87 of pointer 86 and second is engaged, and the drive mechanism 3 includes mounting seat 31, worm body 32, the 5th gear 33 With adjustment cap 34, mounting seat 31 is provided with the rear end of first groove 2, the mounting seat 31 is provided with rotatable worm body 32, the front end of the worm body 32 engages connection with second gear 5, and the worm body 32 is provided with and the 3rd in the first groove 2 5th gear 33 of the engagement connection of gear 81, the pedestal 1 are provided with and are available for the opening 12 that the 5th gear 33 exposes, the worm screw The rear end of body 32 is provided with adjustment cap 34, and the tooth ratio of the 3rd gear 81 and the 5th gear 33 is：1:1, the 3rd gear 81 Tooth ratio with the 4th gear 82 is：1:10, the lower end of second supporting leg 10 is provided with the second groove 13, second groove 13 Upper end is provided with the 3rd groove 14 being engaged with pilot pin 11, and the upper end of the pilot pin 11 is provided with to be engaged with the second groove 13 Grafting body 15, the side of the grafting body 15 is inlaid with magnet 16, and the upper end of the grafting body 15 is provided with and the 3rd groove 14 The handle 17 being engaged, the quantity of the breach 62 are four, second supporting leg 10 include upper leg body 101, lower leg body 102, 4th groove 103, connecting shaft 104, spring 105, fixed body 106 and some fixing grooves 107, the upper end of the lower leg body 102 are set There is the 4th groove 103, the bottom of the 4th groove 103 is provided with the 5th groove 108, spring is provided with the 5th groove 108 105 and fixed body 106, the lower end of the fixed body 106 is contradicted on the upper end of spring 105, and the lower end of the upper leg body 101 leads to Cross connecting shaft 104 to be rotatably connected with the 4th groove 103, the lower surface of the upper leg body 101 is semicircular arc face, the semicircle Arcwall face is provided with the fixing groove 107 that is uniformly distributed and is engaged with the upper surface of fixed body 106, the fixed body 106 it is upper End face is arcwall face.

The course of work of the present invention：

A kind of modified form compasses of the present invention in the course of the work, rotate counterclockwise adjustment cap 34, and adjustment cap 34 drives worm screw Body 32 rotates, and worm body 32 drives the 5th gear 33 and second gear 5 to rotate, and second gear 5 drives first gear 4 to rotate, the One gear 4 and second gear 5 drive the first supporting leg 9 and the counter motion of the second supporting leg 10 respectively, and the 5th gear 33 drives the 3rd Gear 81 rotates, and the 3rd gear 81 drives the 4th gear 82 to rotate, and the 3rd gear 81 and the 4th gear 82 drive the first reading respectively The number reading pointer 87 of pointer 86 and second rotates, by the first reading pointer 86 and the second reading pointer 87 respectively in the first scale The signified graduation mark in 84 and second scale area of area 85 carries out reading, it is determined that diameter of a circle is drawn, the first scale area 84 and the second quarter Degree area 85 unit be respectively millimeter and centimetre, the first scale area 84 and the second scale area 85 are into circle-shaped equally distributed Scale from one to ten.

When the angle that the first supporting leg 9 and the second supporting leg 10 are formed is bigger, in order to avoid pilot pin 11 is skidded when drawing, Pull lower leg body 102 to rotate, lower leg body 102 drives pilot pin 11 to carry out angle adjustment by grafting body 15.

When pilot pin 11 needs to hide, pilot pin 11 is firmly pulled downward on, pilot pin 11 drives grafting body 15 from second Pull down in groove 13, then insert pilot pin 11 in the 3rd groove 14 upward, and ensure that grafting body 15 inserts the second groove In 13.

When fixed mechanism 6 fixes drawing pen or pen core, drawing pen or pen core are placed on to the centre of four cramping bodies 64, so After rotate clockwise the second body 65, the second body 65 moves downward and promotes the upper end of clamping limb 63 to move downward, and clamps The lower end of arm 63 drives cramping body 64 to draw close motion to centre, and drawing pen or pen core are gripped.

Compared with prior art, can be easy to use, good reliability, applicability is improved, avoids phenomenon of hurting sb.'s feelings.

Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme belong to protection scope of the present invention.

Claims

A kind of 1. modified form compasses, it is characterised in that：Including pedestal (1), the first groove (2), drive mechanism (3), first gear (4), second gear (5), fixed mechanism (6), handle (7), reading mechanism (8), the first supporting leg (9), the second supporting leg (10) and fixed Position pin (11), the lower end of the pedestal (1) are provided with the first groove (2), in first groove (2) provided with first gear (4) and Second gear (5), the first gear (4) engage connection, the first gear (4) and second gear (5) with second gear (5) Lower end be respectively equipped with the first supporting leg (9) and the second supporting leg (10), the lower end of first supporting leg (9), which is provided with, can fix drawing pen Or the fixed mechanism (6) of pen core, the lower end of second supporting leg (10) are provided with dismountable pilot pin (11), first groove (2) drive mechanism (3) that driving second gear (5) rotates is provided with rear end, the side of the pedestal (1) is provided with and driving machine The reading mechanism (8) of structure (3) connection, the upper end of the pedestal (1) are provided with handle (7), and the fixed mechanism (6) includes first set Body (61), some breach (62), some clamping limbs (63), some cramping bodies (64) and the second body (65), first supporting leg (9) lower end is provided with the first body (61), and the lower end of first body (61) is provided with equally distributed breach (62), described to lack The clamping limb (63) being rotatably connected is equipped with mouth (62), the lower end of the clamping limb (63) is all provided with the first body (61) There is the cramping body (64) being rotatably connected, the second body (65) of threaded connection is arranged with first body (61), it is described The upper end of clamping limb (63) is ridden on the second body (65), and the reading mechanism (8) includes the 3rd gear (81), the 4th gear (82), transparent cover body (83), the first scale area (84), the second scale area (85), the first reading pointer (86) and the second reading refer to Pin (87), the side of the pedestal (1) are provided with the 3rd gear (81) and the 4th gear (82), the 3rd gear (81) and driving Mechanism (3) connects, and the 4th gear (82) engages connection, the 3rd gear (81) and the 4th gear with the 3rd gear (81) (82) the first reading pointer (86) and the second reading pointer (87) are respectively equipped with outside, the side of the pedestal (1) is provided with The transparent cover body (83) of the gear (81) of cover lid the 3rd and the 4th gear (82), the transparent cover body (83) are provided with the first scale area (84) and the second scale area (85), first scale area (84) and the second scale area (85) respectively with the first reading pointer (86) It is engaged with the second reading pointer (87).
A kind of 2. modified form compasses as claimed in claim 1, it is characterised in that：The drive mechanism (3) includes mounting seat (31), worm body (32), the 5th gear (33) and adjustment cap (34), mounting seat is provided with the rear end of first groove (2) (31), the mounting seat (31) is provided with rotatable worm body (32), front end and the second gear (5) of the worm body (32) Engagement connection, the worm body (32) are provided with the 5th gear that connection is engaged with the 3rd gear (81) in the first groove (2) (33), the pedestal (1) is provided with and is available for the opening (12) that the 5th gear (33) exposes, and the rear end of the worm body (32) is provided with Adjustment cap (34), the 3rd gear (81) and the tooth ratio of the 5th gear (33) are：1:1.
A kind of 3. modified form compasses as claimed in claim 1, it is characterised in that：3rd gear (81) and the 4th gear (82) tooth ratio is：1:10.
A kind of 4. modified form compasses as claimed in claim 1, it is characterised in that：The lower end of second supporting leg (10) is provided with the Two grooves (13), the upper end of second groove (13) is provided with the 3rd groove (14) being engaged with pilot pin (11), described fixed The upper end of position pin (11) is provided with the grafting body (15) being engaged with the second groove (13), and the side of the grafting body (15) is inlaid with Magnet (16), the upper end of the grafting body (15) are provided with the handle (17) being engaged with the 3rd groove (14).
A kind of 5. modified form compasses as claimed in claim 1, it is characterised in that：The quantity of the breach (62) is four.
A kind of 6. modified form compasses as any one of claim 1 to 5, it is characterised in that：Second supporting leg (10) Including upper leg body (101), lower leg body (102), the 4th groove (103), connecting shaft (104), spring (105), fixed body (106) and Some fixing grooves (107), the upper end of the lower leg body (102) are provided with the 4th groove (103), the bottom of the 4th groove (103) Portion is provided with the 5th groove (108), and spring (105) and fixed body (106), the fixed body are provided with the 5th groove (108) (106) lower end is contradicted on the upper end of spring (105), and the lower end of the upper leg body (101) passes through connecting shaft (104) and the 4th Groove (103) is rotatably connected, and the lower surface of the upper leg body (101) is semicircular arc face, and the semicircular arc face is provided with The fixing groove (107) for being uniformly distributed and being engaged with the upper surface of fixed body (106), the upper surface of the fixed body (106) are Arcwall face.