CN209580953U - A kind of zoom-type hyperbolograph - Google Patents

Abstract

The utility model discloses a kind of zoom-type hyperbolographs, including regulator, the two sides of the positive Middle face of regulator are fixed with knob shifting chute, it is slidably connected in the middle part of knob shifting chute and adjusting knob, the inside of regulator is fixed with groove, the two sides of groove are respectively corresponded to be slidably connected with the two sides of two movable plates, one end of two adjusting knobs is respectively corresponded to be fixedly connected with the knob connector that movable plate one end is fixed with, the middle part of two movable plates, which is fixed with, is auxiliarily fixed slot, the other end of two movable plates is fixed with line turning-bar, the other end of two movable plates is fixedly installed with reset line wheel, the side of two reset line wheels is connected by toothed belt transmission, a kind of zoom-type hyperbolograph of the utility model, pass through the reset line wheel of fixed installation, line stretcher and the pen cap, hyperbolograph is facilitated to draw lines, pass through cunning The movable plate and adjusting knob of dynamic connection conveniently carry out mobile zoom to reset line wheel and draw different hyperbolographs.

Description

A kind of zoom-type hyperbolograph

Technical field

The utility model relates to a kind of hyperbolograph, in particular to a kind of zoom-type hyperbolograph belongs to line gauge technology neck Domain.

Background technique

In mathematics, hyperbola is that plane hands over a kind of conic section for cutting the two halves in right angle cone face；It can also be defined For be with the range difference of two fixed focuses constant point track；The light issued from one focus of hyperbola, by hyperbolic After line reflection, the reverse extending line of reflection light is all converged in another hyp focus, and hyperbola is this reversed empty poly- Burnt property, astronomical telescope in terms of, can also find practical application；Hyperbolograph is for the hyp dress of the system of drawing It setting, teacher is when upper analytic geometry class explains oval and hyperbola, since drawing tools can not conveniently draw hyperbola, this It draws lines on blackboard in the case where sample relatively slow, and inaccuracy is also not convenient.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of zoom-type hyperbolograph Drawing tools can not conveniently draw hyperbola and draw lines on blackboard relatively slowly, and inaccurate also not convenient problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of zoom-type hyperbolograph, including rule Body, the two sides of the positive Middle face of regulator are fixed with knob shifting chute, the middle part of the knob shifting chute and adjusting knob It being slidably connected, the inside of the regulator is fixed with groove, and the two sides of the groove are slidably connected with the two sides of movable plate, and two (one end is respectively corresponded to be fixedly connected a adjusting knob with the knob connector that movable plate one end is fixed with, two institutes The middle part for stating movable plate, which is fixed with, is auxiliarily fixed slot, and the other end of two movable plates is fixed with line turning-bar, The other end of two movable plates is fixedly installed with reset line wheel, and two sides for resetting line wheel are passed by synchronous belt Dynamic connection, two other sides for resetting line wheel are fixed with the side of the pen cap by the line stretcher separately wound up and down to be connected It connects.

As a kind of optimal technical scheme of the utility model, the two sides in the middle part of the regulator pass through fixing bolt and auxiliary The two sides of fixing groove are slidably connected.

As a kind of optimal technical scheme of the utility model, the middle part at the regulator back side passes through accessory plate shaft and line Advise the middle part rotation connection of accessory plate.

As a kind of optimal technical scheme of the utility model, two sides for resetting line wheel and two movable plates Side is fixed with fixation hole.

As a kind of optimal technical scheme of the utility model, the two sides of the pen cap are fixed with wire loop.

As a kind of optimal technical scheme of the utility model, the positive top of regulator and two knob shifting chutes are just One avris in face is equipped with graduated scale.

Compared with prior art, the utility model has the beneficial effects that a kind of zoom-type hyperbolograph of the utility model；It is logical Cross reset line wheel, line stretcher and the pen cap being fixedly mounted, hyperbolograph facilitated to draw lines, by the movable plate that is slidably connected and Adjusting knob conveniently carries out mobile zoom to reset line wheel and draws different hyperbolas；It is convenient by the fixation hole being fixed with It is fixed to line wheel is resetted；The wire loop being fixed with by the pen cap adjusts the length of two sides line stretcher, while fixed reset Line wheel can draw different ellipses；By the graduated scale being fixed with, it is easy to understand and resets line wheel mobile distance and measurement Distance when picture；By the knob connector being fixed with, adjusting knob and movable plate is facilitated to be fixedly connected.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram of the section structure of the utility model；

Fig. 3 is a slot structure schematic diagram of the utility model.

In figure: 1, regulator；2, adjusting knob；3, line gauge accessory plate；4, knob shifting chute；5, line wheel is resetted；6, line turns to Bar；7, the pen cap；8, line stretcher；9, movable plate；10, fixation hole；11, synchronous belt；12, slot is auxiliarily fixed；13, knob connector； 14, accessory plate shaft；15, fixing bolt；16, wire loop；17, groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, the utility model provides a kind of zoom-type hyperbolograph, including regulator 1, in 1 front of regulator The two sides in portion are fixed with knob shifting chute 4, and knob shifting chute 4 and the middle part of adjusting knob 2 are slidably connected, regulator 1 it is interior Portion is fixed with groove 17, and the two sides of groove 17 are respectively corresponded to be slidably connected with the two sides of two movable plates 9, two adjusting knobs 2 one end respectively corresponds the knob connector 13 being fixed with 9 one end of movable plate and is fixedly connected, the middle part of two movable plates 9 Be fixed with and slot 12 be auxiliarily fixed, the other end of two movable plates 9 is fixed with line turning-bar 6, two movable plates 9 it is another One end, which is fixedly installed with, resets line wheel 5, and the side of two reset line wheels 5 is sequentially connected by synchronous belt 11, two reset lines The other side of wheel 5 passes through the line stretcher 8 separately wound up and down and is fixedly connected with the side of the pen cap 7.

Preferably, the two sides at 1 middle part of regulator pass through fixing bolt 15 and are slidably connected with the two sides that slot 12 is auxiliarily fixed, and avoid It resets the swing of line wheel 5 and causes inaccuracy of drawing.

Preferably, the middle part at 1 back side of regulator is rotatablely connected by the middle part of accessory plate shaft 14 and line gauge accessory plate 3, side Just it is referred to when teacher draws.

Preferably, the side and the sides of two movable plates 9 of two reset line wheels 5 are fixed with fixation hole 10, convenient It is fixed to line wheel 5 is resetted.

Preferably, the two sides of the pen cap 7 are fixed with wire loop 16, and the pen cap 7 is facilitated to be moved on line stretcher 8.

Preferably, the positive top of regulator 1 and two positive avris of knob shifting chute 4 are equipped with graduated scale, convenient Understand and resets the mobile distance of line wheel 5.

When specifically used, a kind of zoom-type hyperbolograph of the utility model is removed fixing bolt 15 and is adjusted by adjusting knob 2 The position of movable plate 9 is placed individually into two reset line wheels 5 in corresponding focus, adjusts the length of 7 two sides line stretcher 8 of the pen cap It is poor to spend, and one end that two reset line wheel 5 is sequentially connected by synchronous belt 11, paintbrush is covered in the pen cap 7, by resetting line wheel 5 reply pulling force makes line stretcher 8 be in tensioned state, remains the line stretcher 8 of 7 two sides of the pen cap all in taut in picture journey Straight state, the track drawn are just needed hyperbola, when needing picture ellipse, adjust the length and reset line of line stretcher 8 The position of wheel 5 allows line stretcher 8 to pass through the wire loop 16 of 7 two sides of the pen cap, is stretched by fixation hole 10 to reset line wheel 5 and side Line 8 is fixed, and allows the pen cap 7 to be slided on the line stretcher 8 of exceptionally straight state, the track drawn is just needed ellipse.

In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

In the present invention unless specifically defined or limited otherwise, for example, it may be being fixedly connected, be also possible to It is detachably connected, or integral；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements, unless otherwise clear Restriction can understand above-mentioned term in the utility model as the case may be for the ordinary skill in the art In concrete meaning.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of zoom-type hyperbolograph, including regulator (1), which is characterized in that the two sides of the positive Middle face of the regulator (1) are solid Surely knob shifting chute (4) are equipped with, be slidably connected in the middle part of the knob shifting chute (4) and adjusting knob (2), the regulator (1) Inside be fixed with groove (17), the two sides of the groove (17) respectively correspond and two Slideslips of two movable plates (9) connect It connects, it is solid that one end of two adjusting knobs (2) respectively corresponds the knob connector (13) being fixed with movable plate (9) one end Fixed connection, the middle part of two movable plates (9), which is fixed with, to be auxiliarily fixed slot (12), two movable plates (9) it is another One end is fixed with line turning-bar (6), and the other end of two movable plates (9), which is fixedly installed with, resets line wheel (5), and two A side for resetting line wheel (5) is sequentially connected by synchronous belt (11), and two other sides for resetting line wheel (5) pass through The line stretcher (8) separately wound up and down is fixedly connected with the side of the pen cap (7).

2. a kind of zoom-type hyperbolograph according to claim 1, it is characterised in that: the two sides in the middle part of the regulator (1) It is slidably connected by fixing bolt (15) with the two sides that slot (12) is auxiliarily fixed.

3. a kind of zoom-type hyperbolograph according to claim 1, it is characterised in that: the middle part at regulator (1) back side It is rotatablely connected by the middle part of accessory plate shaft (14) and line gauge accessory plate (3).

4. a kind of zoom-type hyperbolograph according to claim 1, it is characterised in that: two described to reset line wheel (5) Side and the side of two movable plates (9) are fixed with fixation hole (10).

5. a kind of zoom-type hyperbolograph according to claim 1, it is characterised in that: the two sides of the pen cap (7) are solid Surely wire loop (16) are equipped with.

6. a kind of zoom-type hyperbolograph according to claim 1, it is characterised in that: the positive top of the regulator (1) Graduated scale is equipped with two positive avris of knob shifting chute (4).