CN204160970U - A kind of N leaf curve instrument - Google Patents
A kind of N leaf curve instrument Download PDFInfo
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- CN204160970U CN204160970U CN201420555951.0U CN201420555951U CN204160970U CN 204160970 U CN204160970 U CN 204160970U CN 201420555951 U CN201420555951 U CN 201420555951U CN 204160970 U CN204160970 U CN 204160970U
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- paintbrush
- adjusting rod
- sun gear
- plotting hand
- support bar
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Abstract
A kind of N leaf curve instrument, comprise plotting hand, paintbrush adjusting rod, paintbrush parts and gear driven mechanism, described paintbrush parts to be arranged on described paintbrush adjusting rod and can to move along it, and described paintbrush adjusting rod is arranged on described plotting hand by described gear driven mechanism; Drive described plotting hand around certain axle that is the first axis of rotation time, while described paintbrush adjusting rod rotates with described plotting hand, and driven by the gear drive structure driven by the described plotting hand in rotation, make it rotate backward along another axle i.e. the second rotating shaft being parallel to described first rotating shaft.The utility model structure is simple, be easy to carry, easy to operate during drawing, without the need to outreaching any equipment, can directly manual operation, be suitable for very much the fields such as teaching, the utility model can draw straight line, circle, ellipse, N leaf curve and other multiple figure, is conducive to scientific research personnel and learner studies further to some important curve such as curves in higher mathematics.
Description
Technical field
The utility model relates generally to a kind of plotter being applied to Higher Mathematics Teaching and research field.
Background technology
Curve, as the important curve in higher mathematics, owing to changing complexity, is difficult to Freehandhand-drawing, is unfavorable for that scientific research personnel and learner further study its variation characteristic, also counteracts that the creation of art lover.
Utility model content
Goal of the invention of the present utility model is to provide simple manually N(N >=3 of a kind of structure) leaf curve instrument.
Goal of the invention of the present utility model is achieved through the following technical solutions: a kind of N leaf curve instrument, it is characterized in that, comprise plotting hand, paintbrush adjusting rod, paintbrush parts and gear driven mechanism, described paintbrush parts to be arranged on described paintbrush adjusting rod and can to move along it, and described paintbrush adjusting rod is arranged on described plotting hand by described gear driven mechanism;
Drive described plotting hand around certain axle that is the first axis of rotation time, while described paintbrush adjusting rod rotates with described plotting hand, and driven by the gear drive structure driven by the described plotting hand in rotation, make it rotate backward along another axle i.e. the second rotating shaft being parallel to described first rotating shaft;
The angular speed ratio of described paintbrush adjusting rod and described plotting hand is adjusted by described gear drive structure, and/or regulate described paintbrush parts to the distance of described second rotating shaft by described paintbrush adjusting rod, the curve of different motion track is namely depicted by described paintbrush parts.
As preferred embodiment of the present utility model:
Described gear driven mechanism comprises sun gear assembly, planetary wheeling assembly and idler sheave assemblies, described sun gear assembly comprises sun gear support and its upper fixed solar wheeling tooth wheels of suit and is set with the sleeve that it also can rotate around it, described solar wheeling tooth wheels are increased successively by several diameters or the sun gear that reduces forms, in described solar wheeling tooth wheels, at least one sun gear number of teeth is N times of described planetary gear, N be more than or equal to 3 integer, described sun gear support is fixed on described plotting hand front portion by described sleeve is dismountable, the planetary gear that described planetary wheeling assembly comprises planetary carrier and is set with on it, described planetary carrier, sun gear support is all vertically mounted on described plotting hand, the idle pulley that described idler sheave assemblies comprises idler support and is set with on it, described idler support is vertically mounted on described plotting hand equally, and between described planetary carrier and described sun gear support, described idle pulley side is engaged with a sun gear, opposite side engages with described planetary gear, for transmission between the two, described paintbrush adjusting rod is connected with described planetary gear perpendicular to described planetary carrier,
Adjusting described sun gear support makes described idle pulley engage from different sun gears, to change the angular speed ratio of described paintbrush adjusting rod and described plotting hand;
When driving described plotting hand to rotate, it is the described sun gear holder pivots of the first rotating shaft that the sleeve of described sun gear assembly, idler sheave assemblies, planetary wheeling assembly and paintbrush adjusting rod make with described plotting hand, simultaneously, idle pulley on idler support rotates along the sun gear with its engagement, and drive the planetary gear on planetary carrier to rotate backward, thus described paintbrush adjusting rod is driven to rotate backward around described second rotating shaft while described sun gear holder pivots.
Be that the sun gear of N times of planetary gear engages in adjustment idle pulley and the number of teeth, namely paint out N leaf curve by mobile paintbrush parts.
In described solar wheeling tooth wheels, a sun gear number of teeth is equal with described planetary gear, so that after this sun gear of adjustment engages with idle pulley, and circle of can painting; In described solar wheeling tooth wheels, a sun gear number of teeth is the twice of described planetary gear, after this sun gear of adjustment engages with idle pulley, can draw ellipse and straight line.
As a kind of embodiment of the present utility model: described second rotating shaft is described planetary carrier, now only have paintbrush parts can continuous setup to the distance of the second rotating shaft.
Improve as to one of the present utility model: set up crank, paintbrush support bar, described crank is parallel to described paintbrush adjusting rod, its one end is connected with described planetary gear, the other end is connected with described paintbrush support bar, described paintbrush support bar is parallel to described plotting hand, the other end of described paintbrush support bar is connected with the middle part of described paintbrush adjusting rod, described paintbrush parts are arranged on the front portion of described paintbrush adjusting rod, the rear end of described paintbrush adjusting rod is connected with described plotting hand by the connecting rod that is parallel to described planetary carrier, described paintbrush support bar and described plotting hand are as the track of described paintbrush adjusting rod transverse shifting, described crank, paintbrush support bar, paintbrush adjusting rod and plotting hand are formed between each limit can parallel double crank mechanism in relative rotation,
When described planetary gear drives described crank, by the characteristic of parallel double crank mechanism, it is the described connecting rod of the second rotating shaft and described crank synchronous axial system that paintbrush adjusting rod is made.
By above-mentioned parallel double crank mechanism, make the utility model paintbrush parts all can continuous setup to the distance of the first rotating shaft to Distance geometry second rotating shaft of the second rotating shaft, namely adjust to arbitrary value.
Preferred embodiment as the utility model support bar adjusting rod and paintbrush adjusting rod:
Extension supporting bar adjusting rod, described support bar adjusting rod is installed in parallel in above described plotting hand, described plotting hand is provided with adjustment mounting blocks, regulate on mounting blocks and a bearing is installed, the upper end of described connecting rod is provided with a screw and a square opening, described plotting hand rear end and described square opening suitable, pass from described square opening, described support bar adjusting rod is a screw rod, the screw that described support bar adjusting rod is horizontally through on described connecting rod is connected with the bearing on described adjustment mounting blocks, support bar adjusting rod described in turn, described connecting rod with coupled described paintbrush adjusting rod together along described support bar adjusting rod, plotting hand and described paintbrush support bar to described sun gear support close or away from.
Described paintbrush adjusting rod comprises an adjusting screw(rod) and a bottom bar, also fix described in one in the middle part of described bottom bar and regulate mounting blocks, described paintbrush section upper is provided with a screw and a square hole, described bottom bar front end and described square hole adaptation, through described square hole, the screw that described adjusting screw(rod) is horizontally through on described paintbrush parts is connected with the bearing on the described adjustment mounting blocks on described bottom bar, adjusting screw(rod) described in turn, described paintbrush parts along described adjusting screw(rod) and described bottom bar to described connecting rod close or away from.
The structure that the other end of described paintbrush support bar is connected with the middle part of described paintbrush adjusting rod is: in the middle part of described paintbrush adjusting rod, below is connected a contiguous block that can rotate, this contiguous block has a square through hole, one end of square described paintbrush support bar is through described square through hole.This mounting structure is not only simple, and paintbrush support bar both as the track of paintbrush adjusting rod transverse shifting, also can be able to can be relatively rotated with paintbrush adjusting rod.
Embodiment as recommendation of the present utility model:
Groove is provided with along its length in the front end of described plotting hand, the sidewall of described groove is laterally provided with row's screw, described sun gear support and the sleeve vertical on it to being arranged in described groove, and realize location by holding out against described sleeve through the screw of screw on described groove sidewall.This structure not only makes the operation of the described sun gear support of adjustment easily as implemented, and facilitates the installation of sun gear support on plotting hand.
The outer wall of described sleeve is provided with multi-turn flange equably, between two adjacent rings flange, Formation cross-section is square cannelure, annular groove width and described plotting hand height adaptation, each sun gear uniform thickness in described solar wheeling tooth wheels, the centre-to-centre spacing of two adjacent rings flange is equal with the centre-to-centre spacing of adjacent two sun gears, the two side of described plotting hand groove is stuck in described cannelure, make described plotting hand be stuck in adjacent lower or on a cannelure time, described idle pulley just engages with a lower or upper sun gear.Said structure makes the operation of adjustment planetary gear and the engagement of different sun gear become simple.
Set up and aim at fixed block and installing rack, described installing rack is strip horizontally set, it is vertically provided with row's circular hole along its length, one end of described installing rack is fixed in the middle part of described aligning fixed block by a montant, and sun gear support one end of described sun gear assembly penetrates that wherein circular hole described in is dismountable to be fixed on described installing rack.The setting of accurate fixed block and installing rack, achieve the location of sun gear support, make on operation described plotter mapping operation simpler, meanwhile, the structure of installing hole in a row on installing rack, is not only conducive to the curve by simple adjusting device drawing larger diameter, simultaneously, also make the use of instrument convenient, as the place at limited space, suitably can shorten the distance of described sun gear support to described aligning fixed block.
Relative to prior art, the utility model has following beneficial effect: 1) the utility model structure is simple, be easy to carry, easy to operate during drawing, without the need to outreaching any equipment, can directly manual operation, be suitable for very much the fields such as teaching, the utility model can draw straight line, circle, ellipse, N leaf curve (N >=3) and other multiple figure, is conducive to scientific research personnel and learner studies further to some important curve such as curves in higher mathematics;
2) the utility model is by arranging parallel double crank mechanism, and the second rotating shaft is not limited on planetary carrier, thus makes paintbrush parts all can continuous setup to the distance of the first rotating shaft to Distance geometry second rotating shaft of the second rotating shaft.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model preferred embodiment;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Fig. 3 is that the figure utilizing the utility model above-described embodiment to draw shows 1;
Fig. 4 is that the figure utilizing the utility model above-described embodiment to draw shows 2.
Detailed description of the invention
As shown in Figure 1, the N leaf curve instrument of the present embodiment, comprises and aims at fixed block 1, installing rack 2, plotting hand 3, paintbrush adjusting rod 4, paintbrush parts 5 and gear driven mechanism.Installing rack 2, in strip horizontally set, it is vertically provided with row's circular hole along its length, and one end of installing rack 2 is fixed on by a montant 6 to be aimed in the middle part of fixed block 1.The height of installing rack 2 can be designed to adjustable mode in other embodiments.The sun gear support 71(of sun gear assembly will talk about below) one end to penetrate on installing rack 2 a wherein circular hole, to be dismountablely fixed on installing rack 2.Aim at the setting of fixed block 1 and installing rack 2, achieve the location of sun gear support 71, make operation N leaf curve instrument carry out drawing convenient.The structure of installing hole in a row on installing rack 2, makes sun gear support 71 adjustable to the distance of aiming at fixed block 1.Paintbrush parts 5 to be arranged on paintbrush adjusting rod 4 and can to move along it, and paintbrush adjusting rod 4 is arranged on plotting hand 3 by gear driven mechanism.
Manual actuation plotting hand 3 around certain axle that is the first axis of rotation time, while paintbrush adjusting rod 4 rotates with plotting hand 3, and driven by the gear drive structure driven by the plotting hand 3 in rotation, make it rotate backward along another axle i.e. the second rotating shaft being parallel to the first rotating shaft.Now, by the angular speed ratio of gear drive structure adjustment paintbrush adjusting rod 4 with plotting hand 3, and/or the distance of paintbrush parts 5 to the second rotating shaft is regulated by paintbrush adjusting rod 4, and/or adjustment the first rotating shaft is to the distance of the second rotating shaft, namely depicts circle, ellipse, straight line, N(N >=3 by paintbrush parts 5) curve of the different motion track such as leaf curve.
Aim at fixed block 1, installing rack 2 required structure not of the present utility model, be easy to find out, directly can realize location by hand-held sun gear support 71, the utility model also can be made to complete the drafting of various curve smoothly.
Gear driven mechanism comprises sun gear assembly, planetary wheeling assembly and idler sheave assemblies, and sun gear assembly comprises sun gear support 71 and its upper fixed solar wheeling tooth wheels of suit and is set with the sleeve 72 that it also can rotate around it.Sleeve 72 with the mounting structure of sun gear support 71 is: in the both ends of the surface up and down of sleeve 72, be all embedded with thrust bearing, sleeve 72 is sleeved on sun gear support 71 by this thrust bearing, thus can sun gear support 72 be axle rotation.The structure that solar wheeling tooth wheels are set on sun gear support 72 is: the upper and lower end face of solar wheeling tooth wheels, by nut check, makes each sun gear 73 all be fixed together with sun gear support 72 and not relatively rotate.The utility model can prepare multiple sun gear, to change the composition of sun gear 73 in solar wheeling tooth wheels at any time according to demand.
The sun gear 73 that in the present embodiment, solar wheeling tooth wheels are increased successively by 4 diameters forms.Obviously, putting in order of above-mentioned sun gear 73 does not affect the application, can reduce arrangement successively and also can at will arrange by diameter.Require in above-mentioned solar wheeling tooth wheels at least one sun gear 73 number of teeth be the N of planetary gear 82 doubly, N be more than or equal to 3 integer, to paint N leaf curve.Sun gear support 71 is fixed on plotting hand 3 front portion by sleeve 72 is dismountable, concrete structure is: be provided with groove 31 along its length in the front end of plotting hand 3, the sidewall of groove 31 is laterally provided with row's screw 32, sun gear support 71 and the sleeve 72 on it are vertically arranged in groove 31, the outer wall of sleeve 72 is provided with multi-turn flange equably, between two adjacent rings flange, Formation cross-section is square cannelure, annular groove width and plotting hand 3 highly adaptive, each sun gear 73 uniform thickness in solar wheeling tooth wheels, the centre-to-centre spacing of two adjacent rings flange is equal with the centre-to-centre spacing of adjacent two sun gears 73, the two side of plotting hand 3 groove 31 is stuck in described cannelure, and realize location by holding out against sleeve 72 through the screw 33 of screw 32, make plotting hand 3 be stuck in adjacent lower or on a cannelure time, planetary gear 82 just engages with a lower or upper sun gear 73.Mounting structure between sun gear assembly and plotting hand 3, not only make the operation of adjustment sun gear support 71 easily as implemented, and the operation that adjustment planetary gear 82 and different sun gear 73 are engaged becomes simple.
The planetary gear 82 that planetary wheeling assembly comprises planetary carrier 81 and is set with on it, planetary carrier 81, sun gear support 71 are all vertically mounted on plotting hand 3.The idle pulley 92 that idler sheave assemblies comprises idler support 91 and is set with on it, idler support 91 is vertically mounted on plotting hand 3 equally, and between planetary carrier 81 and sun gear support 71, idle pulley 92 side is engaged with a sun gear 73, opposite side engages with planetary gear 82, for transmission between the two.
Paintbrush adjusting rod 4 is connected with planetary gear 82 perpendicular to planetary carrier 81, with planetary gear 82 synchronous axial system.
Adjustment sun gear support 71 makes idle pulley 92 engage from different sun gears 73, and this measure is intended to the angular speed ratio of change paintbrush adjusting rod 4 and plotting hand 3.When driving plotting hand 3 to rotate, it is that the sun gear support 71 of the first rotating shaft rotates that the sleeve 72 of sun gear assembly, idler sheave assemblies, planetary wheeling assembly and paintbrush adjusting rod 4 make with plotting hand 3, simultaneously, idle pulley 92 on idler support 91 rotates along the sun gear 73 engaged with it, and drive the planetary gear 82 on planetary carrier 81 to rotate backward, thus paintbrush adjusting rod 4 is driven to rotate backward around the second rotating shaft while rotating around sun gear support 71.Accompany at adjustment idle pulley 92 after the sun gear 73 of planetary gear 82 engages with number N of teeth, namely by adjusting the distance of the second rotating shaft and sun gear support 71 and/or paintbrush parts 5 and the second rotating shaft, N leaf curve of painting out.
The number of teeth sun gear equal with planetary gear 82 73 can be comprised in solar wheeling tooth wheels, so that after this sun gear 73 of adjustment engages with idle pulley 92, can to paint circle, the sun gear 73 that a number of teeth is the twice of planetary gear 82 can also be comprised in solar wheeling tooth wheels, after this sun gear 73 of adjustment engages with idle pulley 92, ellipse and straight line can be drawn.
Paintbrush adjusting rod 4 directly can be fixed on planetary gear 82 bottom surface by the connecting shaft 83 of tubular structure in Fig. 1, and now the second rotating shaft is planetary carrier 71, now only has the distance of paintbrush parts 5 to the second rotating shaft can continuous setup.
In the present embodiment, as shown in Figure 1, N leaf curve instrument further comprises crank 101, paintbrush support bar 102 and support bar adjusting rod 103, as Fig. 1, shown in 2, crank 101 is parallel to paintbrush adjusting rod 4, its one end is connected with planetary gear 82 by the connecting shaft 83 of a tubular structure, the other end is connected with paintbrush support bar 102 by bearing, paintbrush support bar 102 is parallel to plotting hand 3, the other end of paintbrush support bar 102 is connected with the middle part of paintbrush adjusting rod 4, concrete structure is: in the middle part of paintbrush adjusting rod 4, below connects a contiguous block 104 that can rotate, contiguous block 104 is connected by bearing with paintbrush adjusting rod 4, this contiguous block 104 has a square through hole, one end of square paintbrush support bar 102 is through square through hole, and held out against by the screw be installed on contiguous block 104 sidewall.This mounting structure is not only simple, and paintbrush support bar 102 both as the track of paintbrush adjusting rod 4 transverse shifting, also can be able to can be relatively rotated with paintbrush adjusting rod 4.Paintbrush parts 5 are arranged on the front portion of paintbrush adjusting rod 4, the rear end of paintbrush adjusting rod 4 is connected with the support bar adjusting rod 103 be installed in parallel on plotting hand 3 by the connecting rod 105 that is parallel to planetary carrier 81, paintbrush support bar 102 and support bar adjusting rod 103 are as the track of paintbrush adjusting rod 4 transverse shifting, and crank 101, paintbrush support bar 102, paintbrush adjusting rod 4 and plotting hand 3 are formed between each limit can parallel double crank mechanism in relative rotation.When planetary gear 82 drives crank 101 to rotate, by the characteristic of parallel double crank mechanism---opposite side angular speed is equal, paintbrush adjusting rod 4 is made be connecting rod 105 and crank 101 synchronous axial system of the second rotating shaft.By above-mentioned parallel double crank mechanism, make Distance geometry second rotating shaft of the utility model paintbrush parts 5 to the second rotating shaft all can continuous setup to the distance of the first rotating shaft, be namely adjustable to arbitrary value.
In the utility model, mechanism's such as double-crank mechanism in parallel that parallel double crank mechanism also can have two parallel edges constant-speed transmission characteristic by other replaces.
The concrete structure that in the present embodiment, the second rotating shaft regulates continuously to the distance of the first rotating shaft is: plotting hand 3 is provided with and regulates mounting blocks 106, regulate on mounting blocks 106 and have a dead eye, one bearing is installed in dead eye, the upper end of connecting rod 105 is provided with a screw and a square opening, screw is positioned at above square opening, has the screw for holding out against plotting hand 3 in screw.Plotting hand 3 rear end and square opening suitable, pass from square opening, support bar adjusting rod 103 is a screw rod, the screw that support bar adjusting rod 103 is horizontally through on connecting rod 105 is connected with the bearing regulated on mounting blocks 106, turn support bar adjusting rod 103 while unclamping the screw on connecting rod 105 and the screw on contiguous block 104, as the second rotating shaft connecting rod 105 with coupled paintbrush adjusting rod 4 together along support bar adjusting rod 103, plotting hand 3 and paintbrush support bar 102 to as the first rotating shaft sun gear support 71 near or away from.
The concrete structure that in the present embodiment, paintbrush parts regulate continuously to the distance of the second rotating shaft is: paintbrush adjusting rod 4 comprises adjusting screw(rod) 107 and a bottom bar 108, bottom bar 108 rear end is connected with connecting rod 105, concrete: on bottom bar 108, level installs a bearing, the lower end of connecting rod 105 is installed in this bearing, thus forms hinge arrangement with bottom bar 108.Also an adjustment mounting blocks 109 is fixed in the middle part of bottom bar 108, paintbrush parts 5 top is provided with a screw and a square hole, this screw is positioned at above square hole, bottom bar 108 front end and square hole adaptation, through square hole, paintbrush parts 5 are provided with and penetrate square hole, for holding out against the screw of bottom bar 108, the screw that adjusting screw(rod) 107 is horizontally through on paintbrush parts 5 is connected with the bearing on the adjustment mounting blocks 109 on bottom bar 108, unscrew the screw on paintbrush parts 5, the adjusting screw(rod) of turn simultaneously 107, paintbrush parts 5 along adjusting screw(rod) 107 and bottom bar 108 to as the second rotating shaft connecting rod 105 near or away from.Paintbrush parts 5 bottom surface is provided with perforate, and paintbrush is arranged in this perforate, and is held out against by the screw penetrating this perforate from paintbrush parts 5 sidewall.
In Fig. 1, in solar wheeling tooth wheels, the sun gear number of teeth is respectively 13 teeth, 26 teeth, 39 teeth, 52 teeth from small to large, and module is 1, and pressure angle is 20 degree, the idle pulley number of teeth is 20 teeth, and modulus is 1, and pressure angle is 20 degree, the planetary gear number of teeth is 13 teeth, and modulus is 1, and pressure angle is 20 degree.
When idle pulley 92 engages with 13 tooth sun gears, adjust the second rotating shaft to the distance of the first rotating shaft and/or paintbrush parts to the distance of the second rotating shaft, different circles (position is different, and diameter is different) can be drawn.When idle pulley 92 engages with 26 tooth sun gears, adjust the second rotating shaft to the distance of the first rotating shaft and/or paintbrush parts to the distance of the second rotating shaft, the ellipse of different long and short axle can be drawn, and when the second rotating shaft is equal to the distance of the second rotating shaft to distance and the paintbrush parts of the first rotating shaft, can straight line be drawn.When idle pulley 92 engages with 39 teeth, 52 tooth sun gears, adjust the second rotating shaft equal to the distance of the second rotating shaft with paintbrush parts to the distance of the first rotating shaft, 3 leaves, 4 leaf curves can be drawn, as shown in Figure 3.
N leaf curve instrument of the present utility model also can be painted multiple curve, as shown in Figure 4.
Claims (10)
1. a N leaf curve instrument, it is characterized in that, comprise plotting hand, paintbrush adjusting rod, paintbrush parts and gear driven mechanism, described paintbrush parts to be arranged on described paintbrush adjusting rod and can to move along it, and described paintbrush adjusting rod is arranged on described plotting hand by described gear driven mechanism;
Drive described plotting hand around certain axle that is the first axis of rotation time, while described paintbrush adjusting rod rotates with described plotting hand, and driven by the gear drive structure driven by the described plotting hand in rotation, make it rotate backward along another axle i.e. the second rotating shaft being parallel to described first rotating shaft;
The angular speed ratio of described paintbrush adjusting rod and described plotting hand is adjusted by described gear drive structure, and/or regulate described paintbrush parts to the distance of described second rotating shaft by described paintbrush adjusting rod, the curve of different motion track is namely depicted by described paintbrush parts.
2. N leaf curve instrument according to claim 1, it is characterized in that, described gear driven mechanism comprises sun gear assembly, planetary wheeling assembly and idler sheave assemblies, described sun gear assembly comprises sun gear support and its upper fixed solar wheeling tooth wheels of suit and is set with the sleeve that it also can rotate around it, described solar wheeling tooth wheels are increased successively by several diameters or the sun gear that reduces forms, in described solar wheeling tooth wheels, at least one sun gear number of teeth is N times of described planetary gear, N be more than or equal to 3 integer, described sun gear support is fixed on described plotting hand front portion by described sleeve is dismountable, the planetary gear that described planetary wheeling assembly comprises planetary carrier and is set with on it, described planetary carrier, sun gear support is all vertically mounted on described plotting hand, the idle pulley that described idler sheave assemblies comprises idler support and is set with on it, described idler support is vertically mounted on described plotting hand equally, and between described planetary carrier and described sun gear support, described idle pulley side is engaged with a sun gear, opposite side engages with described planetary gear, for transmission between the two, described paintbrush adjusting rod is connected with described planetary gear perpendicular to described planetary carrier,
Adjusting described sun gear support makes described idle pulley engage from different sun gears, to change the angular speed ratio of described paintbrush adjusting rod and described plotting hand;
When driving described plotting hand to rotate, it is the described sun gear holder pivots of the first rotating shaft that the sleeve of described sun gear assembly, idler sheave assemblies, planetary wheeling assembly and paintbrush adjusting rod make with described plotting hand, simultaneously, idle pulley on idler support rotates along the sun gear with its engagement, and drive the planetary gear on planetary carrier to rotate backward, thus described paintbrush adjusting rod is driven to rotate backward around described second rotating shaft while described sun gear holder pivots.
3. N leaf curve instrument according to claim 2, it is characterized in that, in described solar wheeling tooth wheels, a sun gear number of teeth is equal with described planetary gear; In described solar wheeling tooth wheels, a sun gear number of teeth is the twice of described planetary gear.
4. N leaf curve instrument according to claim 2, it is characterized in that, described second rotating shaft is described planetary carrier.
5. N leaf curve instrument according to claim 2, it is characterized in that, set up crank, paintbrush support bar, described crank is parallel to described paintbrush adjusting rod, its one end is connected with described planetary gear, the other end is connected with described paintbrush support bar, described paintbrush support bar is parallel to described plotting hand, the other end of described paintbrush support bar is connected with the middle part of described paintbrush adjusting rod, described paintbrush parts are arranged on the front portion of described paintbrush adjusting rod, the rear end of described paintbrush adjusting rod is connected with described plotting hand by the connecting rod that is parallel to described planetary carrier, described paintbrush support bar and described plotting hand are as the track of described paintbrush adjusting rod transverse shifting, described crank, paintbrush support bar, paintbrush adjusting rod and plotting hand are formed between each limit can parallel double crank mechanism in relative rotation,
When described planetary gear drives described crank, by the characteristic of parallel double crank mechanism, it is the described connecting rod of the second rotating shaft and described crank synchronous axial system that paintbrush adjusting rod is made.
6. N leaf curve instrument according to claim 5, it is characterized in that, extension supporting bar adjusting rod, described support bar adjusting rod is installed in parallel in above described plotting hand, described plotting hand is provided with adjustment mounting blocks, regulate on mounting blocks and a bearing is installed, the upper end of described connecting rod is provided with a screw and a square opening, described plotting hand rear end and described square opening suitable, pass from described square opening, described support bar adjusting rod is a screw rod, and the screw that described support bar adjusting rod is horizontally through on described connecting rod is connected with the bearing on described adjustment mounting blocks; Support bar adjusting rod described in turn, described connecting rod with coupled described paintbrush adjusting rod together along described support bar adjusting rod, plotting hand and described paintbrush support bar to described sun gear support close or away from;
Described paintbrush adjusting rod comprises an adjusting screw(rod) and a bottom bar, also fix described in one in the middle part of described bottom bar and regulate mounting blocks, described paintbrush section upper is provided with a screw and a square hole, described bottom bar front end and described square hole adaptation, through described square hole, the screw that described adjusting screw(rod) is horizontally through on described paintbrush parts is connected with the bearing on the described adjustment mounting blocks on described bottom bar, adjusting screw(rod) described in turn, described paintbrush parts along described adjusting screw(rod) and described bottom bar to described connecting rod close or away from.
7. N leaf curve instrument according to claim 6, it is characterized in that, the structure that the other end of described paintbrush support bar is connected with the middle part of described paintbrush adjusting rod is: in the middle part of described paintbrush adjusting rod, below is connected a contiguous block that can rotate, this contiguous block has a square through hole, one end of square described paintbrush support bar is through described square through hole.
8. N leaf curve instrument according to claim 2, it is characterized in that, groove is provided with along its length in the front end of described plotting hand, the sidewall of described groove is laterally provided with row's screw, described sun gear support and the sleeve vertical on it to being arranged in described groove, and realize location by holding out against described sleeve through the screw of screw on described groove sidewall.
9. N leaf curve instrument according to claim 8, it is characterized in that, the outer wall of described sleeve is provided with multi-turn flange equably, between two adjacent rings flange, Formation cross-section is square cannelure, annular groove width and described plotting hand height adaptation, each sun gear uniform thickness in described solar wheeling tooth wheels, the centre-to-centre spacing of two adjacent rings flange is equal with the centre-to-centre spacing of adjacent two sun gears, the two side of described plotting hand groove is stuck in described cannelure, make described plotting hand be stuck in adjacent lower or on a cannelure time, described idle pulley just engages with a lower or upper sun gear.
10. the N leaf curve instrument according to any one of claim 2 ~ 9 claim, it is characterized in that, set up and aim at fixed block and installing rack, described installing rack is strip horizontally set, it is vertically provided with row's circular hole along its length, one end of described installing rack is fixed in the middle part of described aligning fixed block by a montant, and sun gear support one end of described sun gear assembly penetrates that wherein circular hole described in is dismountable to be fixed on described installing rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555951.0U CN204160970U (en) | 2014-09-26 | 2014-09-26 | A kind of N leaf curve instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555951.0U CN204160970U (en) | 2014-09-26 | 2014-09-26 | A kind of N leaf curve instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204160970U true CN204160970U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420555951.0U Expired - Fee Related CN204160970U (en) | 2014-09-26 | 2014-09-26 | A kind of N leaf curve instrument |
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| CN (1) | CN204160970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751782A (en) * | 2016-04-14 | 2016-07-13 | 烟台南山学院 | Integral plotter |
| CN106313972A (en) * | 2016-08-31 | 2017-01-11 | 长春理工大学 | Plotting instrument and using method thereof |
| CN109823092A (en) * | 2019-02-25 | 2019-05-31 | 马子阅 | A kind of mathematical tool for drawing standard sine curve |
-
2014
- 2014-09-26 CN CN201420555951.0U patent/CN204160970U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751782A (en) * | 2016-04-14 | 2016-07-13 | 烟台南山学院 | Integral plotter |
| CN105751782B (en) * | 2016-04-14 | 2017-03-01 | 烟台南山学院 | Multifunctional drawing instrument |
| CN106313972A (en) * | 2016-08-31 | 2017-01-11 | 长春理工大学 | Plotting instrument and using method thereof |
| CN109823092A (en) * | 2019-02-25 | 2019-05-31 | 马子阅 | A kind of mathematical tool for drawing standard sine curve |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150218 Termination date: 20160926 |