CN213167524U

CN213167524U - Uniform tool convenient for angle conversion

Info

Publication number: CN213167524U
Application number: CN202021719361.9U
Authority: CN
Inventors: 江黎明; 衣启坤; 周吴斌; 徐军
Original assignee: Ningbo Fushida Electric Engineering Co ltd
Current assignee: Ningbo Fushida Electric Engineering Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-11
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses an equant tool convenient for angle conversion, which comprises a graduated scale, an angle ruler, a fixed block and an equant sliding mechanism; the angle ruler is fixedly and vertically arranged on the fixed block; the equal division sliding mechanism is arranged on the surface of the graduated scale and is in sliding connection with the graduated scale, and the lower end of the graduated scale is hinged with the angle scale. The front face of the graduated scale is provided with a groove, the groove penetrates through the surface of the graduated scale, the equal-division sliding mechanism comprises a plurality of sliding blocks and equal-division rods, the sliding blocks are connected with the groove in a sliding mode, and the equal-division rods are hinged to the sliding blocks. The halving rod is a rhombic scissors fork structure with a fastening mechanism at the top. The slide block and the threaded slide block are provided with equant holes which penetrate through the upper plane and the lower plane of the slide block. The halving rod is combined with a scissor fork structure and a halving hole design, so that the halving is quick and the marking accuracy is high. The equal division sliding mechanism is hinged with the angle ruler, and the angle transformation is flexible. The device is provided with a fastening mechanism and a locking mechanism, flexibly adjusts the angle and the equal division state, and meets various operation requirements of marking, drawing circular arcs and the like.

Description

Uniform tool convenient for angle conversion

Technical Field

The utility model relates to a hand tool especially relates to an equant instrument convenient to angle conversion.

Background

In the prior art, a ruler, compasses and a protractor are needed to be used for equally dividing materials, equally dividing points are obtained through calculation, concentric circles with equally divided radiuses are made by the compasses, and the problems of low efficiency, complex steps and easiness in error exist.

For example, a "multifunctional equant ruler" disclosed in chinese patent literature, publication No. CN104494340A, includes a ruler body, a telescopic member, and an equant marking member, wherein the ruler body is provided with a guide hole extending along the length direction of the ruler body; the telescopic member comprises a plurality of telescopic units, each telescopic unit comprises a first connecting rod and a second connecting rod which are equal in length, the middle parts of the first connecting rods and the second connecting rods are hinged through a first rotating shaft, and the telescopic units are hinged with the adjacent telescopic units end to end through the first rotating shaft; the telescopic component is provided with more than two first guide posts matched with the guide holes, the telescopic component is arranged on the side surface of the ruler body, and the first guide posts are slidably embedded in the guide holes; the equal division identifiers are arranged on the telescopic component at equal intervals. This multi-functional equant ruler mark burin and marker pen setting need do the marking action in the mark spare bottom of equant dividing when using marker pen or burin, will certainly cause the skew accuracy not high to the dividing point, and can't adapt to the equant of different angle situations, needs the supplementary draw scheduling problem of compasses.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve prior art's bisector chi can cause the skew accuracy not high when doing the bisector mark, and can't adapt to the partition of different angle situations, need the supplementary circle of drawing scheduling problem of compasses, provide one kind can fix the partition state, the partition instrument of the angle conversion of being convenient for.

A tool for dividing angles conveniently comprises a graduated scale, an angle ruler, a fixed block and a dividing sliding mechanism; the angle ruler is fixedly and vertically arranged on the fixed block; the equal-division sliding mechanism is arranged on the surface of the graduated scale and is in sliding connection with the graduated scale, and the lower end of the graduated scale is hinged with the angle scale. The fixed block is the cuboid, and the angle scale is fixed in the fixed block upper surface perpendicularly between two parties, and the partition slide mechanism locates the scale upper surface, and the axis of partition slide mechanism aligns in with the scale, and the partition slide mechanism can slide flexible on the scale surface, and partition slide mechanism and scale can be in a parallel with the angle scale plane rotation in step.

Preferably, the front surface of the graduated scale is provided with a groove which penetrates through the surface of the graduated scale. The length of the lower end of the groove from the hinged point of the graduated scale and the angle scale is larger than the radius of the angle scale. The graduated scale is provided with scales along the central axis in the radial direction. The scales on the groove part of the graduated scale are positioned on two sides of the groove, and the scales outside the groove of the graduated scale are positioned on the central axis of the graduated scale.

Preferably, the halving sliding mechanism comprises a plurality of sliding blocks and halving rods, the sliding blocks are connected with the grooves in a sliding mode, and the halving rods are hinged with the sliding blocks. The edges of two sides of the groove are relatively sunken to form a sliding rail, the width of the sliding rail just enables the sliding blocks to smoothly slide, the sliding blocks are hinged with the equal distance of the equal dividing rods, and the sliding blocks synchronously slide in the sliding grooves when the equal dividing rods are compressed and stretched.

Preferably, the lower end of the graduated scale is hinged to the angle ruler through a rotating shaft, and the rotating shaft is fixed at the circle center of the angle ruler. The center line of the scale mark at the lower part of the groove of the scale is aligned with the scale mark of the angle scale, the scale mark is coincided with the scale mark of the angle scale when the front view shows that the scale mark is coincided with the scale mark, the circle center of the scale rotating around the rotating shaft is coincided with the circle center of the angle scale, the scale can determine the rotating angle according to the angle scale corresponding to the scale mark, and the accuracy of the angle rotation is ensured.

Preferably, the halving rod comprises a plurality of connecting rods, an upper connecting rod and a lower connecting rod, the middle parts of every two connecting rods are hinged to form a fork-shaped structure, the connecting rods of adjacent fork-shaped structures are connected end to end, the front ends of the two connecting rods of the fork-shaped structure positioned at the uppermost end are respectively hinged to the upper connecting rod, the other ends of the two upper connecting rods are hinged to each other, a fastening mechanism is arranged at the hinged position of the two upper connecting rods, the rear ends of the two connecting rods positioned at the lowermost end are respectively hinged to one end of the lower connecting rod, the other ends of the two lower connecting rods are connected to be. A plurality of equilateral rhombuses are combined, the telescopic characteristic of the equilateral rhombuses is utilized, and the centers of the hollow slide blocks between the rhombuses are used as equant points to form an accurate equant structure. The body of the equant rod slides in the groove along with the sliding block and the threaded sliding block to stretch out and draw back in an equal ratio, and the distance between the hinged points of the equant rod is kept equal.

Preferably, the lower end of the graduated scale is hinged to the angle ruler, the locking mechanism comprises a knob, the knob is arranged on the side wall of the graduated scale and communicated with the rotating shaft, and the knob abuts against the rotating shaft in a tightening state. The knob is close to or far away from the rotating shaft along the rotation, the knob is screwed in to the rotating shaft direction to prop against the rotating shaft, the graduated scale is clamped, the angle of the whole equal division sliding mechanism is fixed to be unchanged, the knob is loosened, and the equal division sliding mechanism can freely rotate around the rotating shaft.

Preferably, the fastening mechanism comprises a nut and a threaded sliding block, the threaded sliding block comprises a sliding section, a hinged section and a threaded section, the hinged section is arranged in the middle of the sliding section, the threaded section is arranged above the hinged section, the sliding section is in sliding connection with the groove, the hinged section is hinged to the uppermost end of the halving rod, and the threaded section is in threaded connection with the nut. The sliding section is a cuboid, the thread section is a cylinder surface and is provided with thread teeth, the radius of the highest point of the thread teeth is larger than that of the hinged section, when the equal division rod is adjusted to a required equal division point, the nut is screwed up in a rotating mode, the nut moves towards the hinged section along the thread, the equal division rod and the scale ruler are clamped and fixed, the equal division state of the equal division rod is fixed, the positions of the sliding block and the thread sliding block which cannot be positioned in the groove are fixed, and equal division marks can be conveniently made on objects.

Preferably, the sliding block comprises a sliding section and a hinge section, the hinge section is arranged in the middle of the sliding section, the sliding section is in sliding connection with the groove, the hinge section is hinged with the middle of the halving rod fork-shaped structure, and halving holes are formed in the sliding block and penetrate through the middle of the upper plane and the lower plane of the sliding block. The threaded sliding block is provided with an equant hole which penetrates through the middle parts of the upper plane and the lower plane of the threaded sliding block. The equant hole is positioned in the middle of each hinge point of the equant rod and the sliding block, and the equant hole penetrates through the equant tool to reach the surface of the equant object, so that the accurate mark can be conveniently made on the object, the equant accuracy is improved, and when the graduated scale rotates around the rotating shaft, the motion track of each equant hole is a concentric arc with equal radius ratio, and the requirement of drawing the arc by the equant radius is met.

Therefore, the utility model discloses following beneficial effect has: (1) the halving rod is combined with a scissor fork structure and a halving hole design, so that the halving is quick and the marking accuracy is high. (2) The equal division sliding mechanism is hinged with the angle ruler, and the angle transformation is flexible. (3) The device is provided with a fastening mechanism and a locking mechanism, flexibly adjusts the angle and the equal division state, and meets various operation requirements of marking, drawing circular arcs and the like.

Drawings

Fig. 1 is a left side sectional view of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a thread slider according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a slider structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. the scale comprises a graduated scale 2, an angle ruler 3, a fixed block 5, a sliding block 6, a rotating shaft 7, a knob 8, a groove 9, a nut 10, a threaded sliding block 11, an equally dividing hole 12, an equally dividing rod 101, a sliding section 102, a hinged section 103 and a threaded section.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example (b):

in the embodiment shown in fig. 1 to 4, the utility model relates to an equant tool for angle conversion, which is used as a calibration tool for iron plate blanking and cutting, and comprises a graduated scale 1, an angle scale 2, a fixed block 3 and an equant sliding mechanism; the angle ruler 2 is fixedly and vertically arranged on the fixed block 3; the equal division sliding mechanism is arranged on the surface of the graduated scale 1 and is in sliding connection with the graduated scale 1, and the lower end of the graduated scale is hinged with the angle ruler 2. Fixed block 3 is the cuboid, and 3 upper surfaces of fixed block are fixed in perpendicularly between two parties to angle rule 2, and the equal division slide mechanism locates 1 upper surface of scale, and the axis of equal division slide mechanism aligns with 1 axis of scale, and the equal division slide mechanism can slide in 1 surperficial flexible of scale, and equal division slide mechanism and scale 1 can be synchronous along being on a parallel with 2 planar rotations of angle rule. Fixed block 3 plays fixed angle chi 1's effect as the relative limit of angle chi 1 to the user can grasp fixed block 3 or use fixed block 3 to divide the instrument equally as the benchmark adjustment, and it is convenient to use.

The front surface of the graduated scale 1 is provided with a groove 8, and the groove 8 penetrates through the surface of the graduated scale 1. The halving sliding mechanism comprises a plurality of sliding blocks 5 and halving rods 12, the sliding blocks 5 are connected with the grooves 8 in a sliding mode, and the halving rods 12 are hinged to the sliding blocks 5. The edges of two sides of the groove 8 are correspondingly sunken to form sliding rails, the width of each sliding rail just enables the sliding blocks 5 to smoothly slide, the sliding blocks 5 are hinged with the equal division rods 12 at equal intervals, and the sliding blocks 5 synchronously slide in the sliding grooves when the equal division rods 12 are compressed and stretched. The scale mark central line of 1 recess 8 lower part of scale aligns with 2 scale marks of angle scale, sees 2 scale marks of scale and 2 scale marks coincidence of angle scale from the front, and the centre of a circle that 1 revolution axis 6 was rotatory coincides with 2 centre of a circle of angle scale, and rotation angle can be confirmed according to 2 corresponding angle scales of scale mark to scale 1, guarantees the accuracy nature of angular rotation.

The lower end of the graduated scale 1 is hinged with the angle ruler 2 through a rotating shaft 6, and the rotating shaft 6 is fixed at the circle center of the angle ruler 2. The halving rod 12 comprises a plurality of connecting rods, an upper connecting rod and a lower connecting rod, the middle parts of every two connecting rods are hinged to form a fork-shaped structure, the connecting rods of adjacent fork-shaped structures are connected end to end, the front ends of the two connecting rods of the fork-shaped structure positioned at the top are hinged to the upper connecting rod respectively, the other ends of the two upper connecting rods are hinged to each other, a fastening mechanism is arranged at the hinged position of the two upper connecting rods, the rear ends of the two connecting rods positioned at the bottom are hinged to one end of the lower connecting rod respectively, the other ends of the two lower connecting rods are connected to be hinged to a. The central line of the scale mark at the lower part of the groove of the scale is aligned with the scale mark of the angle ruler, the dividing rod 12 is combined with a plurality of equilateral rhombuses, and the centers of the hollow slide blocks between the rhombuses are used as dividing points to form an accurate dividing structure by utilizing the telescopic characteristic of the equilateral rhombuses. The body of the equant rod slides in the groove along with the sliding block and the threaded sliding block to stretch out and draw back in an equal ratio, so that the distance between the hinged points of the equant rod is kept equal.

The lower end of the graduated scale 1 is provided with a locking mechanism at the hinged position with the angle ruler 2, the locking mechanism comprises a knob 7, the knob 7 is arranged on the side wall of the graduated scale 1 and communicated with the rotating shaft 6, and the knob 7 is propped against the rotating shaft 6 in a tightening state. A user only needs to place the equant tool above an object needing to be equally divided and needing to be calibrated, the starting point coincides with a hinged point at the bottom of the graduated scale 1, the end point coincides with a few sliding blocks 5 counted from bottom to top according to the number of the equally divided sections, if the equant tool needs to be equally divided, the end point coincides with a fourth sliding block counted from the fixed block 3 to top, the equant action is completed, the fastening mechanism comprises a nut 9 and a threaded sliding block 10, the threaded sliding block 10 comprises a sliding section 101, a hinged section 102 and a threaded section 103, the hinged section 102 is arranged in the middle of the sliding section 101, the threaded section 103 is arranged above the hinged section 102, the sliding section 101 is in sliding connection with the groove 8, the hinged section 102 is hinged to the uppermost end of the equally divided. An equant hole 11 is formed in the threaded sliding block 10, and the equant hole 11 penetrates through the middle of the upper plane and the lower plane of the threaded sliding block 10. The sliding block 5 comprises a sliding section 101 and a hinged section 102, the hinged section 102 is arranged in the middle of the sliding section 101, the sliding section 101 is in sliding connection with the groove 8, the hinged section 102 is hinged to the middle of a fork-shaped structure of the equal dividing rod 12, an equal dividing hole 11 is formed in the sliding block 5, and the equal dividing hole 11 penetrates through the middle of the upper plane and the lower plane of the sliding block 5. When the nut 9 is screwed down, namely the equant rod is in a fixed equant state, the knob 7 is loosened, the rotating shaft 6 is taken as the center of a circle, the distance from any equant hole 11 to the rotating shaft 6 is taken as the radius, the graduated scale 1 rotates around the rotating shaft 6, and the paths passed by all the equant holes 11 are concentric arcs with the radii equant. The scale mark central line of scale 1 corresponds with 2 scale marks of bevel protractor, and the user only needs to revolute 6 rotation regulation to required angle with scale 1, then screws the angle of fixed scale 1 that knob 7 just can convenient and fast, and reverse unscrewing knob 7, alright light user can pass the equipartition hole 11 with lead core or other marking tool and do equipartition mark or draw the circle on the workpiece surface.

In the embodiment, the graduated scale 1, the angle ruler 2, the fixed block 3, the equally dividing rod 4, the slide block 5, the rotating shaft 6, the knob 7, the groove 8, the nut 9 and the threaded slide block 10 are all made of transparent materials. All adopt transparent acrylic material to make, can directly project corresponding scale on the testee through measuring tool, can pay attention to constantly whether equant point aligns, can directly see drawing orbit and complete pattern when using equant point drawing, it is more convenient to use. The acrylic has the advantages of high brightness, good toughness, difficult damage, strong repairability and the like, is convenient to clean, can clean the environment accumulated dirt in the manufacturing room only by wiping, and is environment-friendly and durable.

Claims

1. An equant tool convenient for angle conversion comprises a graduated scale (1), and is characterized by further comprising an angle scale (2), a fixed block (3) and an equant sliding mechanism; the angle ruler (2) is vertically and fixedly arranged on the fixed block (3); the equant sliding mechanism is arranged on the surface of the graduated scale (1), the equant sliding mechanism is in sliding connection with the graduated scale (1), and the lower end of the graduated scale is hinged with the angle ruler (2).

2. The tool for dividing the angle conveniently according to claim 1, wherein the front face of the graduated scale (1) is provided with a groove (8), and the groove (8) penetrates through the surface of the graduated scale (1).

3. The aliquoting tool convenient for angle conversion according to claim 1, wherein the aliquoting slide mechanism comprises a plurality of slide blocks (5) and aliquoting rods (12), the slide blocks (5) are slidably connected with the grooves (8), and the aliquoting rods (12) are hinged with the slide blocks (5).

4. The tool for dividing the angle conveniently according to claim 1, wherein the lower end of the graduated scale (1) is hinged with the angle ruler (2) by a rotating shaft (6), and the rotating shaft (6) is fixed at the center of the angle ruler (2).

5. The tool for evenly dividing the angle conveniently according to claim 3, wherein the equally dividing rod (12) comprises a plurality of connecting rods, an upper connecting rod and a lower connecting rod, every two connecting rods are hinged with each other at the middle part to form a fork-shaped structure, the connecting rods of the adjacent fork-shaped structures are connected end to end, the front ends of the two connecting rods of the fork-shaped structure at the uppermost end are respectively hinged with the upper connecting rod, the other ends of the two upper connecting rods are hinged with each other, a fastening mechanism is arranged at the hinged position of the two upper connecting rods, the rear ends of the two connecting rods at the lowermost end are respectively hinged with one end of the lower connecting rod, and the other ends of the two lower connecting rods are connected and hinged with the.

6. The dividing tool convenient for angle conversion according to claim 1 or 4, wherein a locking mechanism is arranged at the hinged part of the lower end of the graduated scale (1) and the angle ruler (2), the locking mechanism comprises a knob (7), the knob (7) is arranged on the side wall of the graduated scale (1) and communicated with the rotating shaft (6), and the knob (7) is propped against the rotating shaft (6) in a screwed state.

7. The aliquoting tool convenient for angle conversion according to claim 5, wherein the fastening mechanism comprises a nut (9) and a threaded slider (10), the threaded slider (10) comprises a sliding section (101), a hinged section (102) and a threaded section (103), the hinged section (102) is arranged in the middle of the sliding section (101), the threaded section (103) is arranged above the hinged section (102), the sliding section (101) is slidably connected with the groove (8), the hinged section (102) is hinged with the uppermost end of the aliquoting rod (12), and the threaded section (103) is in threaded connection with the nut (9).

8. The aliquoting tool convenient for angle conversion according to claim 3, wherein the sliding block (5) comprises a sliding section (101) and a hinged section (102), the hinged section (102) is arranged in the middle of the sliding section (101), the sliding section (101) is in sliding connection with the groove (8), the hinged section (102) is hinged with the middle of the fork-shaped structure of the aliquoting rod (12), an aliquoting hole (11) is formed in the sliding block (5), and the aliquoting hole (11) penetrates through the middle of the upper plane and the lower plane of the sliding block (5).

9. The bisection tool facilitating angle conversion as claimed in claim 7, wherein the threaded slider (10) is provided with a bisection hole (11), and the bisection hole (11) penetrates through the middle of the upper plane and the lower plane of the threaded slider (10).